WEBVTT - From the Vault: Devourer of Memories, Part 1

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<v Speaker 1>Hey, are you welcome to Stuff to Blow Your Mind?

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<v Speaker 1>My name is Robert Lamb and I'm Joe McCormick, and

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<v Speaker 1>it's Saturday. Time for a vault episode. This one originally

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<v Speaker 1>aired November nineteen nineteen, and it was part one of

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<v Speaker 1>our Devourer of Memories series. Uh, this one was a

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<v Speaker 1>lot of fun. We talked about research into flat worms

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<v Speaker 1>that at least for a while, seemed to indicate that

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<v Speaker 1>maybe you could gain some other organisms memories through cannibalism. Uh,

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<v Speaker 1>that might not have held up so well, but but

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<v Speaker 1>it's a really fun story along the way. Yeah. So today,

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<v Speaker 1>if you are in the United States and you feel

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<v Speaker 1>like you have the brain of a turkey after consuming

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<v Speaker 1>the flash of a turkey, then this is the episode

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<v Speaker 1>for you. Welcome to Stuff to Blow your Mind production

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<v Speaker 1>of I Heart Radios has to work. Hey, you welcome

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<v Speaker 1>to Stuff to Blow your Mind. My name is Robert

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<v Speaker 1>and I'm Joe McCormick, and today we're going to be

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<v Speaker 1>embarking on a two part episode about the nature and

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<v Speaker 1>physical basis of memory. So in the past we've explored

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<v Speaker 1>the question where is my mind? We did an episode

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<v Speaker 1>about this. I think a couple of years ago, Like,

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<v Speaker 1>it seems obvious enough that cognition takes place in the brain,

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<v Speaker 1>but this hasn't always been taken for granted. And today

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<v Speaker 1>we're gonna look at a very strange narrative of twenty

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<v Speaker 1>and some twenty first century research that asks a similar

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<v Speaker 1>question about memories. What are memories made of? Like, if

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<v Speaker 1>you have a memory of I don't know, you know,

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<v Speaker 1>going down the street and seeing Hulk Hogan stomping on

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<v Speaker 1>an ice cream sandwich, is that stored exclusively within the brain.

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<v Speaker 1>If so, how is it stored in the brain? And

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<v Speaker 1>more importantly, for today's episode, can I eat your body

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<v Speaker 1>and gain that memory for myself? Yeah? This is you know,

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<v Speaker 1>this is actually a really tremendous question. Of course, it

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<v Speaker 1>does touch on a number of the mythical and fictional

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<v Speaker 1>notions that we've touched on before over the years, such

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<v Speaker 1>as can of Google eat your brains and become you

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<v Speaker 1>for a limited amount of time? Or cannon immortal swordsman

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<v Speaker 1>cut off another immortal's head and gain their vital power. Uh,

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<v Speaker 1>do you know the living dead really eat brains because

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<v Speaker 1>it makes the pain of being dead go away? Is

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<v Speaker 1>there anything to indo cannibalistic funeral rites, you know, practiced

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<v Speaker 1>by various cultures throughout history since ancient times. Or how

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<v Speaker 1>about this, if Michael Caine loses a hand and receives

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<v Speaker 1>a hand transplant from a murderer, does he become more

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<v Speaker 1>likely to he himself murder? I assume that must be

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<v Speaker 1>based on a real movie. But whatever, Oliver Oliver Stone

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<v Speaker 1>directed it. As a matter of fact, what's it called.

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<v Speaker 1>I think it's called the Hand. But Michael Caine's ended up.

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<v Speaker 1>He probays like a comic book artist. I think so that,

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<v Speaker 1>you know, that's the other side of it is he

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<v Speaker 1>used an arc um. You know, it's it's early stone.

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<v Speaker 1>It's not political. It's all about uh, you know, people's

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<v Speaker 1>hands coming off and being replaced by hand that then

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<v Speaker 1>has the will of a killer within it, which I

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<v Speaker 1>think has been explored in in other horror properties as well. Um,

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<v Speaker 1>it sounds like solid Michael Caine. Yeah. And it also

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<v Speaker 1>gets into an idea that came up in our recent

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<v Speaker 1>episode on yoga, the idea of of of memories being

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<v Speaker 1>stored in one's body, which of course is a little

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<v Speaker 1>more complicated. All this is all is more complicated when

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<v Speaker 1>you consider the human situation. But a lot of what

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<v Speaker 1>we're gonna be talking about in this episode is not

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<v Speaker 1>dealing directly with with with human cognition and human memories,

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<v Speaker 1>but what we can observe in simpler but also very

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<v Speaker 1>important and informative organisms. Yes. Uh, though that doesn't mean

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<v Speaker 1>that people haven't tried to extrapolate all kinds of things

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<v Speaker 1>about about human memory from this research, and that will

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<v Speaker 1>be part of the story too. This is going to

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<v Speaker 1>be a mostly historical pair of episodes looking at controversial

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<v Speaker 1>past research and linking it to more recent studies, and

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<v Speaker 1>it's also going to be in two parts. As I said,

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<v Speaker 1>so I'd say it's it's important not to draw your

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<v Speaker 1>conclusions until you've heard the whole thing. A significant part

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<v Speaker 1>of what we're talking about today is going to be

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<v Speaker 1>research that looked promising at one time but as widely

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<v Speaker 1>regarded as as being on the wrong track today. Exactly,

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<v Speaker 1>but still certainly there's a lot to learn by looking

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<v Speaker 1>at these past cases. Absolutely. Uh So. The main human

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<v Speaker 1>figure we're going to be looking at in the story

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<v Speaker 1>today was an American psychologist named Dr James V. McConnell

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<v Speaker 1>who lived nineteen twenty five to nineteen ninety, and I

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<v Speaker 1>wanted to start off by mentioning several sources about McConnell's

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<v Speaker 1>life and career that will be referring to in these episodes.

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<v Speaker 1>One was an article about McConnell by the Michigan State

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<v Speaker 1>University psychologist Mark Rilling that appeared in American Psychologist in

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<v Speaker 1>nineteen called the Mystery of the Vanished Citations uh, and

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<v Speaker 1>that title refers to a period where McConnell was doing

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<v Speaker 1>a lot of very influential research, but today you don't

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<v Speaker 1>see the citations of this research mentioned very much, and

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<v Speaker 1>he's sort of exploring why. That is. Another article, it

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<v Speaker 1>was a great article called Memory in the Flesh in

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<v Speaker 1>the Verge by R. L. Do Haim Ross, and also

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<v Speaker 1>a couple of pieces in like two thousand ten and

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<v Speaker 1>two thousand thirteen for the Journal of the American Psychological

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<v Speaker 1>Association by a sociology professor named Larry Stern. That Verge article,

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<v Speaker 1>by the way, from and it's quite a good read.

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<v Speaker 1>Yes it is so. James McConnell was born in Okamalgy, Oklahoma.

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<v Speaker 1>I hope I'm saying that right, Okamalogy or Okmalgy. Yeah,

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<v Speaker 1>And that sounds Oklahoma enough, I think okay uh in nineteen.

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<v Speaker 1>He spent almost all of his professional career on faculty

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<v Speaker 1>at the University of Michigan, beginning in nineteen fifty six

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<v Speaker 1>after he got his PhD from the University of Texas

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<v Speaker 1>and lasting until his retirement in nineteen eighty eight, and

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<v Speaker 1>from the sixties through the eighties he also served as

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<v Speaker 1>a research psychologist at the Mental Health Research Institute of

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<v Speaker 1>the university. So McConnell overall was a very controversial figure

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<v Speaker 1>in American psychology for multiple reasons that we will explore

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<v Speaker 1>throughout these episodes. Widely known as innovative, enthusiastic, humorous, but

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<v Speaker 1>also perhaps as reckless, sometimes un serious, and undisciplined. One

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<v Speaker 1>interesting fact about him that will I think become more

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<v Speaker 1>relevant as we go on is that early on before

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<v Speaker 1>his academic career, he did some work in radio and

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<v Speaker 1>television as a DJ and a scriptwriter before going into psychology,

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<v Speaker 1>and of course this would prove valuable in a career

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<v Speaker 1>as a public science communicator and something of a celebrity scientist. Now,

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<v Speaker 1>apart from the research that we're going to be looking

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<v Speaker 1>at today, I think McConnell was probably best known for

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<v Speaker 1>founding a strange magazine called The Worm Runners Digest. I

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<v Speaker 1>think one major problem many psychologists had with James McConnell

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<v Speaker 1>during his life, UH was typified by the spirit of

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<v Speaker 1>this journal, which published real reports of real scientific research.

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<v Speaker 1>In some ways, it was kind of a clearing house

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<v Speaker 1>for parts of research that wasn't yet in the It

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<v Speaker 1>wasn't yet ready to be submitted to peer reviewed journals.

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<v Speaker 1>So kind of scientists would submit, uh, you know, worm

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<v Speaker 1>training reports and things like that to this as a

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<v Speaker 1>preliminary measure. But then it would publish that real research

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<v Speaker 1>uh and and real manuals for replication, right alongside bizarre

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<v Speaker 1>jokes and poems and cartoons and hoaxes and satirical articles.

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<v Speaker 1>So for a few article titles cited by Larry Stern,

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<v Speaker 1>one is the effects of physical torture on the learning

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<v Speaker 1>and retention of nonsense syllables. One is called operant conditioning

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<v Speaker 1>in the domestic darning needle Spina farrika. So a lot

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<v Speaker 1>of like weird psychology in jokes, sort of jokes about

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<v Speaker 1>the field psychologists trying to write parodies of their own

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<v Speaker 1>research and the and the problems they encountered within their

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<v Speaker 1>sub fields. Okay, okay, that's a very very specific audience

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<v Speaker 1>in mind them. Yes, Larry stern all So writes that

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<v Speaker 1>there were spoofs of Freudian theory, including quote some comments

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<v Speaker 1>on the addition to the theory of psycho sexual development

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<v Speaker 1>by Sigmund Fraud, which introduced the nasal stage occurring between

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<v Speaker 1>the anal and phallic stages, in which the libido quote

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<v Speaker 1>is localized primarily in the mucous linings of the nose,

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<v Speaker 1>which I guess is a strange reminder that, you know,

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<v Speaker 1>in the middle of the twentieth century, I think a

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<v Speaker 1>lot of psychology journals would still be dealing with a

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<v Speaker 1>pretty significant contingent of Freudian trained psychoanalysts. But and I

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<v Speaker 1>figured this would be of special interest to you. Robert

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<v Speaker 1>McConnell actually was also a science fiction writer and a

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<v Speaker 1>charter member of the Science Fiction Writers of America, which

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<v Speaker 1>again I would say probably didn't help his professional reputation. Yes,

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<v Speaker 1>perhaps not uh so from what I could find. His

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<v Speaker 1>sci fi stories also often seemed to be humorous and

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<v Speaker 1>aimed at parody of the fields that he worked in.

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<v Speaker 1>For example, Rilling rites about McConnell's one of mc connell's

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<v Speaker 1>stories called Learning Theory published in nineteen sixty five, and

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<v Speaker 1>in this story quote, McConnell is the protagonist who is

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<v Speaker 1>abducted during the preparation of a lecture on learning theory,

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<v Speaker 1>into an interstellar lab ship to become a subject confined

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<v Speaker 1>to a series of chambers that resembled the skinner box,

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<v Speaker 1>tea maze, and lashly jumping stand. And I had to

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<v Speaker 1>look up that last one. But the lastly jumping stand

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<v Speaker 1>was an apparatus for the study of operant conditioning, and

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<v Speaker 1>it gave a rat an option to jump over a

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<v Speaker 1>gap to two different visual stimuli. One would offer a

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<v Speaker 1>reward and one would cause the rat to fall into

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<v Speaker 1>a net below. Okay, so another just another tool that

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<v Speaker 1>was used in behavioral studies, right, So he's in this story,

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<v Speaker 1>he's writing about himself being put into the studies that

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<v Speaker 1>people were doing on rats in the fifties and I

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<v Speaker 1>guess the sixties. Two. But picking up with Rillings description

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<v Speaker 1>of the story quote. After first behaving according to the

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<v Speaker 1>predictions of learning theory, McConnell realizes that he will be

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<v Speaker 1>returned to ann Arbor if he misbehaves by violating the

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<v Speaker 1>predictions of his captor's theory of learning. McConnell was an

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<v Speaker 1>iconic last and his story is a spoof fun learning

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<v Speaker 1>theory in nineteen sixty. So I think the idea is, uh,

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<v Speaker 1>he's poking fun at the sort of the rain of

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<v Speaker 1>conventional wisdom by saying that if he were a subject

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<v Speaker 1>in alien psychological research, if he didn't confirm their pre

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<v Speaker 1>existing theories, they basically throw him out and say he

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<v Speaker 1>wasn't a valid research subject. Interesting. According to an obituary

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<v Speaker 1>I found by some University of Michigan colleagues, McConnell was

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<v Speaker 1>also a cultivator of orchids, as well as a lover

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<v Speaker 1>of computers and poker, and known by many students for

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<v Speaker 1>quote personal zest to joy in teaching, intellectual animation, infectious enthusiasm,

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<v Speaker 1>and individualized attention that he brought to his classes. Uh

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<v Speaker 1>and Rilling points out that while much of his cannibalistic

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<v Speaker 1>memory transfer work that we're going to be focusing on

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<v Speaker 1>was later considered wrong and misguided, McConnell was actually a

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<v Speaker 1>really important pioneer in research into invertebrate learning and memory,

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<v Speaker 1>and that scientists today should be able to learn from

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<v Speaker 1>both his successes and his failures. Now I want to

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<v Speaker 1>make an admission that I'm afraid I'm going to say

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<v Speaker 1>something wrong in one of these episodes because I keep

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<v Speaker 1>accidentally calling James McConnell Jerry O'Connell, who was not a psychologist.

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<v Speaker 1>He was the guy in Scream Too, and he played

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<v Speaker 1>the football player and Jerry McGuire. No, no, I actually

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<v Speaker 1>haven't seen Jerry McGuire. Um, but you've got some vhs?

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<v Speaker 1>Do I have some VHS tapes? Because I'm I'm saving them.

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<v Speaker 1>I have to contribute them to the pyramid that is

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<v Speaker 1>being built in the desert because we do have to

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<v Speaker 1>return all the Jerry's home. But yes, I have to

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<v Speaker 1>actually have not watched it. Well, you know he was

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<v Speaker 1>like a hunky dude in the nice but no different guy,

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<v Speaker 1>not the actor Jerry O'Connell, James McConnell. So if I say,

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<v Speaker 1>Jerry O'Connell, you've got to reach across the table and

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<v Speaker 1>slap me. Will will you? Will you keep this pledge? Um?

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<v Speaker 1>I don't know if I feel like getting up to

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<v Speaker 1>slap you, but I will try and jump in. Um. So.

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<v Speaker 1>Dr McConnell explores some pretty radical ideas during his career

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<v Speaker 1>you know, one of them will be the primary focus

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<v Speaker 1>for these episodes. But he also later wrote about the

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<v Speaker 1>potential of using behavioral modification on criminals to enable their

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<v Speaker 1>re entry into society yea um. And he thought that

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<v Speaker 1>this might be used to eliminate crime and mental illness altogether.

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<v Speaker 1>There was a lot of enthusiasm in the mid century

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<v Speaker 1>among the behaviorist school of psychology for this kind of

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<v Speaker 1>like society revolutionizing potential of behavior modification. Right, And we

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<v Speaker 1>have to go back to some of these character attributes

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<v Speaker 1>we've touched on already, that he was when he was

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<v Speaker 1>excited about an idea, he was very excited about it

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<v Speaker 1>and infectious with his excitement. And he was something of

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<v Speaker 1>a public figure and would engage is kind of a

0:12:50.280 --> 0:12:54.800
<v Speaker 1>celebrity scientist. He could engage with science on a show

0:12:54.840 --> 0:12:58.720
<v Speaker 1>biz level, not just on a research level, and in

0:12:58.800 --> 0:13:03.479
<v Speaker 1>fact often maybe did so to the detriment of public expectations.

0:13:03.880 --> 0:13:08.360
<v Speaker 1>He was accused by some colleagues of over hyping and

0:13:08.480 --> 0:13:13.120
<v Speaker 1>over interpreting and over speculating from what research existed. So

0:13:13.240 --> 0:13:16.200
<v Speaker 1>it's thought that this is the reason that it is

0:13:16.200 --> 0:13:19.199
<v Speaker 1>particularly some of these ideas that he was pushing in

0:13:19.240 --> 0:13:23.320
<v Speaker 1>this enthusiasm he was pushing regarding the behaviorism that this

0:13:23.360 --> 0:13:26.199
<v Speaker 1>is what attracted the attention of a man by the

0:13:26.280 --> 0:13:30.520
<v Speaker 1>name of Ted Kazinski. Yeah, which most people probably recognize

0:13:30.559 --> 0:13:32.800
<v Speaker 1>that name. If not, you might know him by his moniker,

0:13:32.880 --> 0:13:35.160
<v Speaker 1>the UNI Bomber. We were talking about this before we

0:13:35.200 --> 0:13:37.440
<v Speaker 1>came in. That, Like, I bet a lot of younger

0:13:37.480 --> 0:13:40.320
<v Speaker 1>listeners out there don't even remember the UNI Bomber. I

0:13:40.320 --> 0:13:42.640
<v Speaker 1>remember from when I was very young. I mean, it's

0:13:42.679 --> 0:13:46.000
<v Speaker 1>also easy to only remember, you know, a few pictures

0:13:46.000 --> 0:13:48.480
<v Speaker 1>here and there, Remember that police sketch, and remember like

0:13:48.520 --> 0:13:51.600
<v Speaker 1>a courtroom picture where you know, Kazinski looks, you know,

0:13:51.640 --> 0:13:54.360
<v Speaker 1>completely unhinged, that sort of thing. But yeah, McConnell was

0:13:54.480 --> 0:13:57.920
<v Speaker 1>one of his targets. Kauzinski mailed his tenth bomb to

0:13:58.120 --> 0:14:00.880
<v Speaker 1>Dr McConnell in an assassination at and this was in

0:14:01.040 --> 0:14:04.800
<v Speaker 1>nineteen eighty five. UM he had at that time he

0:14:04.840 --> 0:14:08.720
<v Speaker 1>was working with a graduate student assistant UH named w

0:14:08.880 --> 0:14:13.280
<v Speaker 1>what is Nicholas Sueno, And so they're working together. They

0:14:13.320 --> 0:14:17.440
<v Speaker 1>opened the package and triggered the explosion. Now, thankfully both

0:14:17.480 --> 0:14:21.880
<v Speaker 1>individuals survived with only only minor injuries and mild hearing loss,

0:14:21.920 --> 0:14:24.880
<v Speaker 1>as well as what sounds like some level of PTSD

0:14:25.040 --> 0:14:27.640
<v Speaker 1>based on the experience, which I think is quite understandable.

0:14:28.680 --> 0:14:31.280
<v Speaker 1>But but yeah, just a refresher on the UNI bomber

0:14:31.960 --> 0:14:34.920
<v Speaker 1>for anyone who doesn't know or as a little foggy

0:14:35.440 --> 0:14:40.120
<v Speaker 1>uh Ted Kazinski born in ninety two was a was

0:14:40.160 --> 0:14:44.320
<v Speaker 1>a former mathematics professor and mathematician who took two acts

0:14:44.320 --> 0:14:48.160
<v Speaker 1>of murder and domestic terrorism to advance his manifesto, which

0:14:48.160 --> 0:14:52.280
<v Speaker 1>was titled Industrial Society and its Future, in which he

0:14:52.320 --> 0:14:57.280
<v Speaker 1>heavily criticized his post Industrial Revolution society and he also

0:14:57.320 --> 0:15:01.000
<v Speaker 1>criticized what he referred to as leftist psychology. Yeah, he's

0:15:01.040 --> 0:15:03.560
<v Speaker 1>sometimes he can be kind of hard to pin down

0:15:03.600 --> 0:15:06.000
<v Speaker 1>in terms of his ideology because he doesn't fit with

0:15:06.040 --> 0:15:09.480
<v Speaker 1>a lot of the standard ideological kind of groupings you

0:15:09.560 --> 0:15:13.360
<v Speaker 1>see with mass murderers and terrorists that are motivated by ideology.

0:15:13.400 --> 0:15:16.840
<v Speaker 1>He was more of a kind of idiosyncratic lone wolf terrorist.

0:15:17.840 --> 0:15:21.480
<v Speaker 1>But but he's sometimes referred to as like an anarchist primitivist.

0:15:21.840 --> 0:15:25.880
<v Speaker 1>He wanted people to return to nature and reject modern

0:15:25.920 --> 0:15:30.080
<v Speaker 1>technology and science, right, which I mean, they're they're versions

0:15:30.120 --> 0:15:32.840
<v Speaker 1>of that that of course, that are that many people

0:15:32.840 --> 0:15:35.720
<v Speaker 1>listening to the show might agree with uh, and I

0:15:35.960 --> 0:15:38.160
<v Speaker 1>they wouldn't resort to murder exactly. And I mean that's

0:15:38.200 --> 0:15:41.480
<v Speaker 1>that's the big thing to drive home here, you know. He. Yeah,

0:15:41.480 --> 0:15:45.680
<v Speaker 1>he argued for this nature centric anarchism, and in his

0:15:45.760 --> 0:15:50.239
<v Speaker 1>bombings he targeted individuals involved in modern type mostly individuals

0:15:50.720 --> 0:15:55.680
<v Speaker 1>involved in modern technological advances. And that's why McConnell's work

0:15:55.720 --> 0:15:59.200
<v Speaker 1>is sometimes hard to figure out, like why this attracted

0:15:59.240 --> 0:16:03.000
<v Speaker 1>the attention of Kazinski, because it doesn't quite seem to

0:16:03.000 --> 0:16:05.560
<v Speaker 1>fit the profile at first glance. Yeah. The article I

0:16:05.600 --> 0:16:10.680
<v Speaker 1>was reading by Mark Rilling identifies McConnell's public communication on

0:16:10.720 --> 0:16:15.840
<v Speaker 1>TV and another media about behavior modification use uh, you know,

0:16:15.880 --> 0:16:20.200
<v Speaker 1>in use in criminal justice and and human behavior reform

0:16:20.240 --> 0:16:23.479
<v Speaker 1>at the large scale as the likely culprit in attracting

0:16:23.560 --> 0:16:27.320
<v Speaker 1>Kazinski's hire. Yeah, because Kazinski did criticize modification of the

0:16:27.400 --> 0:16:31.680
<v Speaker 1>human condition, especially behavioral modification, which McConnell had become an

0:16:31.680 --> 0:16:36.400
<v Speaker 1>outspoken proponent of in the media, and Kazinski saw him

0:16:36.520 --> 0:16:40.080
<v Speaker 1>as an advocate of society's attempts to change humans to

0:16:40.120 --> 0:16:44.040
<v Speaker 1>fit the system rather than the reverse. Yeah. Between nineteen

0:16:45.440 --> 0:16:48.840
<v Speaker 1>Kazinski killed three people and injured twenty three. Uh, he

0:16:48.960 --> 0:16:52.400
<v Speaker 1>was the to the target of an intense um search

0:16:53.240 --> 0:16:55.760
<v Speaker 1>for his identity, but finally he was arrested in nineteen

0:16:56.400 --> 0:16:59.440
<v Speaker 1>and remains in prison serving a life term as with

0:16:59.520 --> 0:17:03.600
<v Speaker 1>this record. Yeah, and fortunately both McConnell and and the student,

0:17:03.880 --> 0:17:06.920
<v Speaker 1>so we know survived the Attechnic, and so McConnell lived

0:17:07.400 --> 0:17:10.639
<v Speaker 1>several years after that he passed away in So this

0:17:10.720 --> 0:17:14.159
<v Speaker 1>is just something about just a bizarre aspect of the

0:17:14.200 --> 0:17:18.600
<v Speaker 1>overall story and just certainly a historically noteworthy part of

0:17:18.720 --> 0:17:22.919
<v Speaker 1>McConnell's biography. Uh, that he just ends up, you know,

0:17:23.000 --> 0:17:27.000
<v Speaker 1>wandering into the path of of this individual and becomes

0:17:27.040 --> 0:17:30.440
<v Speaker 1>part of the Kazynski story as well. Yeah, but that's

0:17:30.480 --> 0:17:32.320
<v Speaker 1>not the main part of his life we're going to

0:17:32.400 --> 0:17:35.280
<v Speaker 1>be focusing on in these episodes. We're gonna be looking

0:17:35.320 --> 0:17:39.080
<v Speaker 1>more at his research on memory, and specifically memory research

0:17:39.200 --> 0:17:42.919
<v Speaker 1>with a group of flat worms known as planaria. So

0:17:42.960 --> 0:17:44.800
<v Speaker 1>should we take a quick break and then come back

0:17:44.840 --> 0:17:47.960
<v Speaker 1>to talk about planarians. Yes, let's go ahead and cut

0:17:48.119 --> 0:17:54.280
<v Speaker 1>the episode right here. All right, we're back. So before

0:17:54.280 --> 0:17:57.120
<v Speaker 1>we look at the experiments of James McConnell and colleagues,

0:17:57.160 --> 0:18:00.840
<v Speaker 1>we should meet a major character in this science sentific narrative,

0:18:00.920 --> 0:18:05.160
<v Speaker 1>which is a type of flat worm called planaria. Right now,

0:18:05.200 --> 0:18:10.720
<v Speaker 1>for starters planaria, there is a genus planar area. But

0:18:10.720 --> 0:18:12.879
<v Speaker 1>but but it's not who we're talking about here, is

0:18:12.920 --> 0:18:16.240
<v Speaker 1>not just organisms within that genus. Yeah, it can be

0:18:16.240 --> 0:18:19.400
<v Speaker 1>a little confusing because there are multiple things called planaria.

0:18:19.440 --> 0:18:22.600
<v Speaker 1>Planaria is also used to refer to a larger family

0:18:22.640 --> 0:18:25.480
<v Speaker 1>of related flat worms, and most of the worms that

0:18:25.520 --> 0:18:29.080
<v Speaker 1>are called planarians are outside the genus of Planaria, in

0:18:29.200 --> 0:18:33.480
<v Speaker 1>classes in the class Tubularia or the family Planaria. Day,

0:18:33.520 --> 0:18:37.160
<v Speaker 1>so we're gonna be talking about this broader class of planarians. Yeah,

0:18:37.200 --> 0:18:39.199
<v Speaker 1>the oil. You'll find them living in both fresh and

0:18:39.280 --> 0:18:42.520
<v Speaker 1>salt water. In the water, but also on land. A

0:18:42.640 --> 0:18:46.440
<v Speaker 1>terrestrial planaria are found in the soil or or damp

0:18:46.480 --> 0:18:50.240
<v Speaker 1>areas or humid places. Some are even parasitic, but most

0:18:50.240 --> 0:18:53.800
<v Speaker 1>feed on protozoans, tiny snails and worms, and they mostly

0:18:53.840 --> 0:18:58.920
<v Speaker 1>feed at night. Mostly they're they're soft. They tend to

0:18:58.960 --> 0:19:02.159
<v Speaker 1>be soft leaf shaped creatures that range from three to

0:19:02.240 --> 0:19:06.560
<v Speaker 1>fifteen millimeters, but they can reach longer lengths. They have

0:19:06.840 --> 0:19:10.200
<v Speaker 1>two eyes, and those two eyes are often quite notable

0:19:10.240 --> 0:19:14.200
<v Speaker 1>because they look like googly eyes. Yeah, you've probably seen

0:19:14.240 --> 0:19:17.359
<v Speaker 1>these before in actual photos of these worms zoomed in

0:19:17.640 --> 0:19:21.399
<v Speaker 1>their cross side. Uh. Some some of them have tentacles,

0:19:21.400 --> 0:19:25.159
<v Speaker 1>they have of ventral mouth opening and no body cavity.

0:19:25.240 --> 0:19:28.680
<v Speaker 1>They may swim via undulations or crawl like a slug.

0:19:29.480 --> 0:19:34.159
<v Speaker 1>They're also simultaneous hymaphrodites, having both sexes within a single individual.

0:19:34.640 --> 0:19:37.960
<v Speaker 1>Yet some utilize sexual reproductions and and some utilize a

0:19:38.000 --> 0:19:42.760
<v Speaker 1>sexual reproduction. And of course their legendary for their regenerative powers. Yes,

0:19:42.800 --> 0:19:45.720
<v Speaker 1>and it's these regenerative powers that are gonna play a

0:19:45.760 --> 0:19:49.399
<v Speaker 1>central role in a lot of this research. Uh. And

0:19:49.400 --> 0:19:52.320
<v Speaker 1>it may have played a role in your individual research

0:19:52.359 --> 0:19:55.760
<v Speaker 1>and even science education growing up. Oh sure, yeah maybe,

0:19:55.840 --> 0:19:58.480
<v Speaker 1>I mean so, I mean you could not have a

0:19:58.560 --> 0:20:02.600
<v Speaker 1>planarian highlander situation. You would have a real problem with

0:20:02.760 --> 0:20:06.800
<v Speaker 1>trying to keep a planary in decapitated, that's right. Uh.

0:20:06.840 --> 0:20:09.480
<v Speaker 1>And And to really drive this home, let's talk about

0:20:09.520 --> 0:20:13.760
<v Speaker 1>just how amazing their regenerative powers are. Basically, they can

0:20:13.760 --> 0:20:16.520
<v Speaker 1>be cut in half in each half will form into

0:20:16.600 --> 0:20:20.480
<v Speaker 1>a fully formed individual. In fact, it's been estimated that

0:20:20.520 --> 0:20:23.760
<v Speaker 1>a mere one two hundred and seventy nine of the

0:20:23.880 --> 0:20:28.760
<v Speaker 1>organism can once removed regenerate into a fully formed individual.

0:20:28.800 --> 0:20:32.639
<v Speaker 1>So we're talking total sourcer as apprentice territory here, and

0:20:32.640 --> 0:20:35.560
<v Speaker 1>that's really not an overstatement. Yeah, it would be like,

0:20:35.640 --> 0:20:37.720
<v Speaker 1>you know, if you could chop my finger off and

0:20:37.760 --> 0:20:40.280
<v Speaker 1>it would grow a whole new me. Yeah. Really, And

0:20:40.280 --> 0:20:42.600
<v Speaker 1>that's I mean, that's amazing because we've we've talked on

0:20:42.600 --> 0:20:46.280
<v Speaker 1>the show before about the regenerative powers of of various

0:20:46.359 --> 0:20:49.480
<v Speaker 1>vertebrate organisms. For example, you know, and it's impressive that

0:20:49.520 --> 0:20:52.639
<v Speaker 1>a lizard co jettison its tail and re mostly regrow

0:20:52.720 --> 0:20:55.359
<v Speaker 1>that tail. Things of that nature. Many of the healing

0:20:55.400 --> 0:20:58.960
<v Speaker 1>abilities of even the human body are pretty substantial when

0:20:59.000 --> 0:21:02.480
<v Speaker 1>you really set back in and consider them. But this

0:21:02.600 --> 0:21:06.400
<v Speaker 1>is this is something far beyond most of those examples. Yeah,

0:21:06.400 --> 0:21:09.240
<v Speaker 1>I would say this goes even beyond the impressive examples

0:21:09.280 --> 0:21:13.479
<v Speaker 1>we see in like amphibians, like salamanders. You can even

0:21:13.480 --> 0:21:16.520
<v Speaker 1>cut their head in half kind of like you started

0:21:16.560 --> 0:21:18.840
<v Speaker 1>to cut them in half with a sword and then

0:21:18.880 --> 0:21:21.760
<v Speaker 1>you got bored like around the neck. Uh you can,

0:21:21.840 --> 0:21:24.679
<v Speaker 1>you can, you can cut their head in half and

0:21:24.720 --> 0:21:27.680
<v Speaker 1>then just stop and then they'll they'll develop two heads

0:21:27.720 --> 0:21:30.800
<v Speaker 1>and live that way. In some cases, Uh, they have

0:21:30.920 --> 0:21:33.119
<v Speaker 1>there have been some very interesting experiments in how they

0:21:33.200 --> 0:21:36.760
<v Speaker 1>regenerate in micro gravity as well. For instance, normally a

0:21:36.800 --> 0:21:39.840
<v Speaker 1>two headed planaria is a rare occurrence in nature, but

0:21:39.880 --> 0:21:43.359
<v Speaker 1>in one experiment, space exposed worms were far more likely

0:21:43.440 --> 0:21:45.760
<v Speaker 1>developed a second head, to the tune of one in

0:21:45.880 --> 0:21:49.800
<v Speaker 1>fifteen worms. Uh. In amputating this worm within result in

0:21:50.040 --> 0:21:53.280
<v Speaker 1>more two headed worms. And this is this is just

0:21:53.359 --> 0:21:56.360
<v Speaker 1>one area where you know, there their further study can

0:21:56.400 --> 0:22:00.239
<v Speaker 1>help us understand their biology and you know, to help

0:22:00.320 --> 0:22:03.720
<v Speaker 1>us better understand the effects of micro gravity on an organism.

0:22:03.920 --> 0:22:07.159
<v Speaker 1>But of course their regenerative powers in general continued to

0:22:07.160 --> 0:22:10.400
<v Speaker 1>garner a great deal of research attention. Yeah, I mean

0:22:10.680 --> 0:22:17.800
<v Speaker 1>the medical applications of regenerative biology itself are very important. Yeah.

0:22:17.960 --> 0:22:22.320
<v Speaker 1>Worth noting that Darwin actually observed these amazing creatures as well, uh,

0:22:22.320 --> 0:22:25.480
<v Speaker 1>and their amazing ability. I will read a quick quote

0:22:25.480 --> 0:22:28.960
<v Speaker 1>here from Charles Darwin. Alright, this is from a journal

0:22:28.960 --> 0:22:31.919
<v Speaker 1>of researches into the natural history and geology of the

0:22:31.960 --> 0:22:37.320
<v Speaker 1>countries visited during the voyage of HMS Beagle around the world. Quote.

0:22:37.480 --> 0:22:41.040
<v Speaker 1>Having cut one of them transversely into two nearly equal

0:22:41.080 --> 0:22:43.679
<v Speaker 1>parts in the course of a fortnight, both had the

0:22:43.720 --> 0:22:47.040
<v Speaker 1>shape of perfect animals. I had, however, so divided the

0:22:47.080 --> 0:22:50.320
<v Speaker 1>body that one of the halves contained both the inferior

0:22:50.480 --> 0:22:54.600
<v Speaker 1>orifices and the other in consequence none In the course

0:22:54.640 --> 0:22:57.520
<v Speaker 1>of twenty five days from the operation, the more perfect

0:22:57.560 --> 0:23:00.920
<v Speaker 1>half could not have been distinguished from any other specimen.

0:23:01.359 --> 0:23:03.840
<v Speaker 1>And there's more that you know here, obviously, but that's

0:23:03.840 --> 0:23:07.439
<v Speaker 1>just a taste of his fascination with the organism itself

0:23:07.520 --> 0:23:10.600
<v Speaker 1>sitting in the be goal cutting up worms. And they

0:23:10.720 --> 0:23:13.600
<v Speaker 1>continued to fascinate researches as well. Uh, you know, for

0:23:13.640 --> 0:23:17.040
<v Speaker 1>a number of reasons, um as pointed out by a

0:23:17.200 --> 0:23:22.720
<v Speaker 1>doctor only our pagan author of the first Brain. Uh.

0:23:22.720 --> 0:23:25.040
<v Speaker 1>He pointed this out in a two thousand fourteen interview

0:23:25.040 --> 0:23:29.000
<v Speaker 1>with futurism. There are other organisms with this kind of

0:23:29.000 --> 0:23:33.040
<v Speaker 1>regenerative ability, but very few are quite as excellent at

0:23:33.080 --> 0:23:36.000
<v Speaker 1>it as the planarian. And they also have a relatively

0:23:36.119 --> 0:23:40.080
<v Speaker 1>complex nervous system, which contributes to their appeal, especially when

0:23:40.080 --> 0:23:42.040
<v Speaker 1>you get into areas where you're talking about what can

0:23:42.080 --> 0:23:45.080
<v Speaker 1>we learn from the from a planarian that we can

0:23:45.080 --> 0:23:51.080
<v Speaker 1>then apply potentially in the future to human physiology. Now,

0:23:51.119 --> 0:23:54.239
<v Speaker 1>just a few other quick fascinating facts about them, at

0:23:54.320 --> 0:23:57.840
<v Speaker 1>least one variety produces a deadly uh, produces the deadly

0:23:57.880 --> 0:24:03.600
<v Speaker 1>tetrodotoxin um. In general, their mouths emerge from a proboscis

0:24:03.720 --> 0:24:07.399
<v Speaker 1>located halfway down their body. That's cool. And those googly

0:24:07.480 --> 0:24:11.360
<v Speaker 1>eyes sometimes they described as cross eyes. Apparently nobody's exactly

0:24:11.400 --> 0:24:13.919
<v Speaker 1>sure why that is the case. I will say the

0:24:13.960 --> 0:24:17.520
<v Speaker 1>google eyes often look like an illustration, and they present

0:24:17.560 --> 0:24:20.600
<v Speaker 1>a problem with the presentation of these planarians and the

0:24:20.680 --> 0:24:23.960
<v Speaker 1>display the google eyes, because you can show a photo

0:24:24.040 --> 0:24:26.399
<v Speaker 1>of them and it looks like somebody drew it. It

0:24:26.440 --> 0:24:29.600
<v Speaker 1>doesn't look like a real world organism. It always, even

0:24:29.600 --> 0:24:32.639
<v Speaker 1>to this day, it makes me think of Spy Versus

0:24:32.680 --> 0:24:36.240
<v Speaker 1>Spy and Mad magazine. They look like the two spies,

0:24:36.280 --> 0:24:40.000
<v Speaker 1>the Black Spy and the White Spy cartoon. Yeah, so

0:24:40.080 --> 0:24:43.640
<v Speaker 1>that's the subject in a nutshell. Uh. But I imagine

0:24:43.640 --> 0:24:47.000
<v Speaker 1>we should start turning our attention to some of the experiments. Right,

0:24:47.119 --> 0:24:50.240
<v Speaker 1>So I would say the story begins with the psychological

0:24:50.280 --> 0:24:55.479
<v Speaker 1>technique of classical conditioning. So the most common example of

0:24:55.600 --> 0:25:00.119
<v Speaker 1>classical conditioning is Pavlov's dogs, right. The Russian physiology just

0:25:00.480 --> 0:25:03.600
<v Speaker 1>Yvonne Pavlov, who lived eighteen forty nine and nineteen thirty

0:25:03.640 --> 0:25:08.080
<v Speaker 1>six was famously studying the process of digestion in dogs

0:25:08.560 --> 0:25:11.400
<v Speaker 1>when he noticed that not only did the dogs begin

0:25:11.480 --> 0:25:14.160
<v Speaker 1>to drool in the presence of food. That that would

0:25:14.160 --> 0:25:15.960
<v Speaker 1>make sense, Right, you put some food in front of

0:25:15.960 --> 0:25:20.680
<v Speaker 1>a dog, The digestion process begins with the mental stimulation

0:25:20.760 --> 0:25:24.040
<v Speaker 1>of the side of food. Right, you start producing saliva

0:25:24.160 --> 0:25:26.760
<v Speaker 1>or drool in order to help you eat. It actually

0:25:26.800 --> 0:25:30.480
<v Speaker 1>went beyond that. Pavlov observed that the dogs would start

0:25:30.480 --> 0:25:33.679
<v Speaker 1>to drool as soon as they saw the lab assistant

0:25:33.680 --> 0:25:38.280
<v Speaker 1>who usually fed them. So there's a physiological justification for

0:25:38.400 --> 0:25:42.360
<v Speaker 1>producing extra saliva. When an animal sees food, the animal's

0:25:42.440 --> 0:25:45.760
<v Speaker 1>body is preparing to eat. But Pavlov's insight was realizing

0:25:45.840 --> 0:25:50.199
<v Speaker 1>that through repeated training, you could separate the stimulus and

0:25:50.240 --> 0:25:54.080
<v Speaker 1>the response through one or more layers of abstraction. So,

0:25:54.119 --> 0:25:57.320
<v Speaker 1>of course the lab assistant isn't food. But the dog

0:25:57.400 --> 0:26:01.080
<v Speaker 1>comes to learn through repeated instances is that every time

0:26:01.080 --> 0:26:03.720
<v Speaker 1>it sees the assistant, it's about to get food, and

0:26:03.760 --> 0:26:07.359
<v Speaker 1>thus the body prepares itself to eat and digest. And

0:26:07.400 --> 0:26:09.480
<v Speaker 1>this was later done with all kinds of different things

0:26:09.480 --> 0:26:12.680
<v Speaker 1>with auditory cues such as a bell or a metronome,

0:26:13.080 --> 0:26:15.879
<v Speaker 1>the dog. Here's the sound. It knows the food is coming,

0:26:15.920 --> 0:26:18.359
<v Speaker 1>and the body responds. And I don't know about you,

0:26:18.400 --> 0:26:22.000
<v Speaker 1>but like, this is something that helps define my relationship

0:26:22.080 --> 0:26:24.560
<v Speaker 1>with my pet. Like I think about this all the

0:26:24.600 --> 0:26:31.960
<v Speaker 1>time when observing my cat's relationship with our household environment. Absolutely,

0:26:32.000 --> 0:26:35.960
<v Speaker 1>I think about my dog's relationship with any stimulus such

0:26:36.000 --> 0:26:39.639
<v Speaker 1>as sound or visual cues that may signal a walk

0:26:39.800 --> 0:26:42.840
<v Speaker 1>is about to take place. So like the picking up

0:26:42.880 --> 0:26:45.680
<v Speaker 1>of the keys, the putting on of the coach, the

0:26:45.800 --> 0:26:49.440
<v Speaker 1>putting on of the shoes, all these different things are

0:26:49.560 --> 0:26:54.440
<v Speaker 1>like start to trigger this powerful excitement reaction in the dog,

0:26:54.520 --> 0:26:57.120
<v Speaker 1>even though none of them are are opening the door,

0:26:57.200 --> 0:26:59.080
<v Speaker 1>leashing up, going out for a walk, right, none of

0:26:59.119 --> 0:27:02.879
<v Speaker 1>them are in an of themselves the desired reward. But

0:27:02.960 --> 0:27:06.840
<v Speaker 1>there are various bits of stimuli associated with that eventual

0:27:06.880 --> 0:27:10.320
<v Speaker 1>reward of course. So yeah, we are constantly, even accidentally

0:27:10.480 --> 0:27:15.239
<v Speaker 1>classically conditioning our pets whenever something that they're interested in,

0:27:15.400 --> 0:27:18.639
<v Speaker 1>whether positively or negatively, is about to happen. If it

0:27:18.720 --> 0:27:22.119
<v Speaker 1>happens repeatedly, you're probably training them, whether you want to

0:27:22.160 --> 0:27:25.240
<v Speaker 1>be or not. Can is open, might be foods, as

0:27:25.280 --> 0:27:32.240
<v Speaker 1>the cat um the rattle of foil walking into the kitchen, um, etcetera. Yeah, uh,

0:27:32.280 --> 0:27:34.680
<v Speaker 1>and this is widely acknowledged as one of the most

0:27:34.880 --> 0:27:38.680
<v Speaker 1>useful discoveries in the history of experimental psychology. Of course,

0:27:38.680 --> 0:27:41.800
<v Speaker 1>it works with both positive and negative stimuli. You can also,

0:27:41.840 --> 0:27:45.399
<v Speaker 1>for example, administer a mildly painful shock every time somebody

0:27:45.440 --> 0:27:49.000
<v Speaker 1>hears the Batman theme, and after enough repetition, the person

0:27:49.119 --> 0:27:51.600
<v Speaker 1>or the animal is probably gonna freeze or WinCE when

0:27:51.600 --> 0:27:54.560
<v Speaker 1>they hear the music, even if no shock is administered.

0:27:54.800 --> 0:27:57.560
<v Speaker 1>A call back to our recent episode of Invention, our

0:27:57.640 --> 0:28:01.040
<v Speaker 1>other podcast about the history and the techno history of inventions,

0:28:01.160 --> 0:28:03.840
<v Speaker 1>we did one on the turnspit dog. If you're not aware,

0:28:03.880 --> 0:28:06.359
<v Speaker 1>there was a time in the history, especially in Britain,

0:28:06.520 --> 0:28:09.280
<v Speaker 1>where small dogs turned little wheels to keep the spit

0:28:09.320 --> 0:28:12.159
<v Speaker 1>of meat turning by the fire. And one of the

0:28:12.160 --> 0:28:16.320
<v Speaker 1>problems with using dogs for this particular bit of work

0:28:16.720 --> 0:28:18.520
<v Speaker 1>is that they are smart and they pick up on

0:28:18.560 --> 0:28:22.440
<v Speaker 1>these clues. So you they might pick up on these

0:28:22.560 --> 0:28:26.679
<v Speaker 1>little signs that that inform them that some meat is

0:28:26.680 --> 0:28:28.879
<v Speaker 1>going to be skewer, that they're the roast is going

0:28:28.960 --> 0:28:30.560
<v Speaker 1>to be had for dinner, or maybe just a big

0:28:30.560 --> 0:28:32.560
<v Speaker 1>dinner is going to take place, and then the dog

0:28:32.600 --> 0:28:34.960
<v Speaker 1>will run off and hide. Exactly what they should have

0:28:34.960 --> 0:28:38.040
<v Speaker 1>found to turn those spits was like a large invertebrate

0:28:38.080 --> 0:28:41.400
<v Speaker 1>that was not very good at learning through classical conditioning.

0:28:42.200 --> 0:28:44.360
<v Speaker 1>Uh oh, And just to keep things clear, because this

0:28:44.440 --> 0:28:46.960
<v Speaker 1>is something that I used to confuse myself. What's the

0:28:46.960 --> 0:28:51.280
<v Speaker 1>difference between these two terms, classical conditioning and operant conditioning.

0:28:51.320 --> 0:28:54.200
<v Speaker 1>You've probably heard both of them. Uh, They're similar. They're

0:28:54.200 --> 0:28:57.840
<v Speaker 1>both based on learning associations between two things. But the

0:28:57.880 --> 0:29:03.040
<v Speaker 1>difference is classical conditioning pair there's two external stimuli. For example,

0:29:03.320 --> 0:29:05.520
<v Speaker 1>I show you a picture of Sean Connery and I

0:29:05.600 --> 0:29:08.280
<v Speaker 1>give you an electric shock. So every time you know,

0:29:08.320 --> 0:29:10.000
<v Speaker 1>if you do that enough and when you see the

0:29:10.040 --> 0:29:12.920
<v Speaker 1>picture of Sean Connery, you'll win s or freeze or

0:29:13.200 --> 0:29:15.040
<v Speaker 1>react as if you're going to get a shock, even

0:29:15.120 --> 0:29:19.920
<v Speaker 1>if you don't. Meanwhile, operant conditioning associates a reward or

0:29:19.960 --> 0:29:24.160
<v Speaker 1>a punishment with a behavior supplied by the subject. So

0:29:24.200 --> 0:29:27.120
<v Speaker 1>for example, if you jump three times, you get a

0:29:27.120 --> 0:29:31.080
<v Speaker 1>bag of candy corn. Now we know perfectly well that

0:29:31.280 --> 0:29:35.400
<v Speaker 1>these types of conditioning classical conditioning operant conditioning work with

0:29:35.440 --> 0:29:38.920
<v Speaker 1>a number of more complex life forms, like rats, like dogs,

0:29:39.000 --> 0:29:42.480
<v Speaker 1>like humans. But there was an interesting question that came

0:29:42.560 --> 0:29:45.240
<v Speaker 1>up in the twentieth century, which was did it work

0:29:45.320 --> 0:29:49.880
<v Speaker 1>for less complex life forms like say worms? All right,

0:29:49.920 --> 0:29:51.680
<v Speaker 1>on that note, we're going to take one more break,

0:29:51.800 --> 0:29:56.920
<v Speaker 1>but we'll be right back. Thank thank alright, we're back,

0:29:57.320 --> 0:30:01.960
<v Speaker 1>all right. So we've been discussing classical condition shinning, behavioral conditioning,

0:30:02.480 --> 0:30:04.960
<v Speaker 1>and the fact that this we we know this works

0:30:04.960 --> 0:30:08.640
<v Speaker 1>in more complex life forms like mammals, rats, dogs, humans,

0:30:08.680 --> 0:30:11.479
<v Speaker 1>but does it work in less complex life forms like

0:30:11.600 --> 0:30:16.040
<v Speaker 1>worms and other invertebrates. In the nineteen fifties, the answer

0:30:16.040 --> 0:30:19.280
<v Speaker 1>to this question was pretty well understood, and that answer

0:30:19.440 --> 0:30:23.680
<v Speaker 1>was no. Invertebrates could not learn the way that rats

0:30:23.720 --> 0:30:26.920
<v Speaker 1>and monkeys and other mammals could. Mark Rilling makes this

0:30:26.960 --> 0:30:29.600
<v Speaker 1>point at length in his article, writing that the widely

0:30:29.720 --> 0:30:33.959
<v Speaker 1>held view, especially among zoologists and psychologists who were not

0:30:34.080 --> 0:30:38.400
<v Speaker 1>experts directly in animal behavior, was that invertebrates had no

0:30:38.560 --> 0:30:42.720
<v Speaker 1>capacity for internal memory states, and the only thing that

0:30:42.840 --> 0:30:45.640
<v Speaker 1>the that they could do that would even approximate learning

0:30:46.080 --> 0:30:50.920
<v Speaker 1>might come from temporary changes in body tissue. Rilling quotes

0:30:50.920 --> 0:30:53.600
<v Speaker 1>a leading textbook of comparative psychology at the time. I

0:30:53.640 --> 0:30:56.440
<v Speaker 1>think it's from the nineteen thirties on a question of

0:30:56.480 --> 0:31:01.040
<v Speaker 1>whether invertebrates can learn associations through conditioning in the passage reads.

0:31:01.400 --> 0:31:05.560
<v Speaker 1>Experience may temporarily alter the form of behavior by inducing

0:31:05.640 --> 0:31:09.240
<v Speaker 1>local tissue change, but such changes are wiped out by

0:31:09.280 --> 0:31:13.520
<v Speaker 1>subsequent events and have no permanent altering effect. Uh. It

0:31:13.600 --> 0:31:16.600
<v Speaker 1>was also the opinion of a contemporary researcher in the

0:31:16.680 --> 0:31:21.040
<v Speaker 1>nineteen fifties I think named Donald Jensen quote that no invertebrate,

0:31:21.080 --> 0:31:25.240
<v Speaker 1>no matter how complex, is capable of showing true associative learning.

0:31:25.720 --> 0:31:29.280
<v Speaker 1>So that's the consensus invertebrates can't learn. As for this

0:31:29.400 --> 0:31:34.000
<v Speaker 1>distinction they're making about true learning versus tissue change, I

0:31:34.040 --> 0:31:36.520
<v Speaker 1>think the distinction here is that, like if a worm

0:31:36.640 --> 0:31:39.600
<v Speaker 1>or an insect could be conditioned to go left rather

0:31:39.640 --> 0:31:42.640
<v Speaker 1>than right in a maze, it might only be because,

0:31:42.680 --> 0:31:45.840
<v Speaker 1>for example, the conditioning process had made the legs or

0:31:45.840 --> 0:31:49.680
<v Speaker 1>the wings or something on one side of the body stronger. Uh.

0:31:49.960 --> 0:31:53.200
<v Speaker 1>The bottom line was that animals without backbones cannot truly

0:31:53.360 --> 0:31:56.719
<v Speaker 1>learn the same way animals like us can. You couldn't

0:31:56.760 --> 0:32:01.000
<v Speaker 1>have a Pavlov's worm or a Pavlov's crab, though the

0:32:01.040 --> 0:32:04.680
<v Speaker 1>authors of the textbook quoted by Rilling make exactly one exception.

0:32:05.160 --> 0:32:08.400
<v Speaker 1>They admit that this rule might not apply to planaria.

0:32:09.400 --> 0:32:13.440
<v Speaker 1>But of course McConnell, as usual, was sort of disposition

0:32:13.440 --> 0:32:16.240
<v Speaker 1>alle opposed to the conventional wisdom. He was something of

0:32:16.240 --> 0:32:19.480
<v Speaker 1>an iconoclast, and he did not accept the idea in

0:32:19.520 --> 0:32:23.040
<v Speaker 1>the nineteen fifties that invertebrates could not learn. He wanted

0:32:23.080 --> 0:32:25.760
<v Speaker 1>to find out if worms could be trained, could he

0:32:25.840 --> 0:32:30.080
<v Speaker 1>become a worm tamer. So here we move on into

0:32:30.120 --> 0:32:34.000
<v Speaker 1>the first stage of this research history, the worm conditioning.

0:32:34.080 --> 0:32:37.920
<v Speaker 1>So in nineteen fifty three McConnell was in graduate studies

0:32:38.000 --> 0:32:41.280
<v Speaker 1>at the University of Texas and uh then this year

0:32:41.320 --> 0:32:43.520
<v Speaker 1>and some of the following years he he collaborated with

0:32:43.560 --> 0:32:48.920
<v Speaker 1>another researcher named Robert Thompson to demonstrate that planarians could

0:32:49.000 --> 0:32:52.560
<v Speaker 1>be classically conditioned. And the basic set up here involved

0:32:52.720 --> 0:32:56.880
<v Speaker 1>learning of responses to light light stimuli. Again, most of

0:32:56.880 --> 0:33:00.400
<v Speaker 1>them are going to be nocturnal, uh, so light is

0:33:00.400 --> 0:33:02.640
<v Speaker 1>going to play an important role in their behavior. Yeah,

0:33:02.680 --> 0:33:05.600
<v Speaker 1>and certainly yeah through their you know, day night cycles

0:33:05.640 --> 0:33:07.720
<v Speaker 1>and stuff like that. So they can detect a light.

0:33:07.800 --> 0:33:09.840
<v Speaker 1>They have the ability to to tell when a light

0:33:09.960 --> 0:33:14.880
<v Speaker 1>is being flashed. So planaria usually live at least the

0:33:14.880 --> 0:33:18.040
<v Speaker 1>planaria they were working with usually live in aquatic environments,

0:33:18.080 --> 0:33:20.840
<v Speaker 1>and they move from one place to another by gliding

0:33:21.000 --> 0:33:25.160
<v Speaker 1>across the bottom surface of a pool, usually along slime

0:33:25.280 --> 0:33:29.080
<v Speaker 1>trails that they deposit as they move. So McConnell and

0:33:29.120 --> 0:33:32.280
<v Speaker 1>Thompson put together a test with a foot long pool

0:33:32.360 --> 0:33:35.720
<v Speaker 1>of water in which they would deposit a planarian and

0:33:35.760 --> 0:33:37.800
<v Speaker 1>then the worm could glide from one end to the

0:33:37.800 --> 0:33:41.040
<v Speaker 1>pool to the other. Then, for the conditioning groups, McConnell

0:33:41.040 --> 0:33:44.600
<v Speaker 1>and Thompson would train the worms by flashing a light

0:33:44.760 --> 0:33:48.520
<v Speaker 1>above the water, paired with an electric shock applied to

0:33:48.560 --> 0:33:51.800
<v Speaker 1>the whole pool. To the water and the conditioned responses

0:33:51.840 --> 0:33:54.760
<v Speaker 1>the researchers were looking for in response to the light

0:33:54.800 --> 0:33:58.760
<v Speaker 1>after training were contraction of the worm's body and turning

0:33:58.840 --> 0:34:02.239
<v Speaker 1>of the of the direct and when the behavior of

0:34:02.280 --> 0:34:06.160
<v Speaker 1>these trained planaria was compared with control groups, they found

0:34:06.160 --> 0:34:09.440
<v Speaker 1>that while the planarian learning effect was not extremely strong,

0:34:09.520 --> 0:34:13.920
<v Speaker 1>it was undeniably present. The condition worms showed an increase

0:34:13.960 --> 0:34:17.720
<v Speaker 1>in contraction in response to the light from from about

0:34:17.719 --> 0:34:20.520
<v Speaker 1>two percent in the first fifty trials to about ten

0:34:20.600 --> 0:34:25.200
<v Speaker 1>percent in the last fifty trials, and turns started at

0:34:25.200 --> 0:34:28.279
<v Speaker 1>a rate of about twenty in response to light, but

0:34:28.480 --> 0:34:32.680
<v Speaker 1>increased throughout the test period to thirty five percent after conditioning.

0:34:33.239 --> 0:34:35.400
<v Speaker 1>So as you can see, the planarian probably does not

0:34:35.600 --> 0:34:39.040
<v Speaker 1>learn it nearly the efficiency of a mammal like a

0:34:39.120 --> 0:34:42.000
<v Speaker 1>rat or a dog or an orangutan. But these nevertheless

0:34:42.000 --> 0:34:46.200
<v Speaker 1>are significant changes. So, however weak, some learning was clearly

0:34:46.239 --> 0:34:49.319
<v Speaker 1>taking place, and as a as a modern note, just

0:34:49.400 --> 0:34:52.680
<v Speaker 1>to be clear, the established wisdom about invertebrates being unable

0:34:52.719 --> 0:34:56.560
<v Speaker 1>to learn through association was pretty much completely wrong, and

0:34:56.640 --> 0:34:59.440
<v Speaker 1>planaria were not the only exception. I was looking at

0:34:59.440 --> 0:35:03.640
<v Speaker 1>one paper by Hawkins and burn From published in Cold

0:35:03.680 --> 0:35:09.280
<v Speaker 1>Springs Harbor Perspectives Perspectives in biology called associate of Learning

0:35:09.280 --> 0:35:12.880
<v Speaker 1>and Invertebrates, and they say that rudimentary forms of associative

0:35:13.000 --> 0:35:17.400
<v Speaker 1>learning are found basically throughout the animal kingdom. One commonly

0:35:17.440 --> 0:35:21.040
<v Speaker 1>studied example used in invertebrate learning and memory research is

0:35:21.080 --> 0:35:26.200
<v Speaker 1>the California sea hair or applies ya californica. Almost said,

0:35:26.239 --> 0:35:32.280
<v Speaker 1>applies a californication californica. So it's a huge sea slug.

0:35:32.520 --> 0:35:34.440
<v Speaker 1>I was looking this up. It could barely be up

0:35:34.480 --> 0:35:37.280
<v Speaker 1>to seventy five centimeters long. And way up to about

0:35:37.280 --> 0:35:41.200
<v Speaker 1>seven kilograms or fifteen pounds. That's a that's a real

0:35:41.320 --> 0:35:43.640
<v Speaker 1>mother of a sea slug. Can you imagine trying to

0:35:43.680 --> 0:35:47.480
<v Speaker 1>pick up a fifteen pounds sea slug? No? No, I

0:35:47.520 --> 0:35:50.759
<v Speaker 1>mean one scarcely imagines it coming out of the water, right,

0:35:50.920 --> 0:35:54.000
<v Speaker 1>But uh, I can't help just because we're talking about

0:35:54.000 --> 0:35:57.560
<v Speaker 1>something that they see hair. Uh I always think of

0:35:57.600 --> 0:36:00.640
<v Speaker 1>them behaving and rabbit like, behave here, you know, or

0:36:00.680 --> 0:36:03.440
<v Speaker 1>even delivering Easter eggs. Well, one also thinks about the

0:36:03.440 --> 0:36:06.440
<v Speaker 1>sea monster that was popular on medieval and Renaissance maps,

0:36:06.480 --> 0:36:08.839
<v Speaker 1>the sea hare. Oh well, leave, I talked about chet

0:36:08.880 --> 0:36:11.960
<v Speaker 1>Manduser with the sea hare, yes, or I talked with

0:36:12.080 --> 0:36:14.319
<v Speaker 1>chet Mandouzer about the sea hare. Yeah. That's one of

0:36:14.520 --> 0:36:16.440
<v Speaker 1>the fun things about sea monsters is that we have

0:36:16.480 --> 0:36:18.319
<v Speaker 1>all these things that are sort of named and have

0:36:18.400 --> 0:36:21.719
<v Speaker 1>the same name, like a sea hair, a sea lion, etcetera.

0:36:22.080 --> 0:36:24.720
<v Speaker 1>But in the history of sea monsters, pretty much every

0:36:24.800 --> 0:36:27.239
<v Speaker 1>creature that was known to reside on the surface had

0:36:27.440 --> 0:36:30.840
<v Speaker 1>a double in the deep. Right. The medieval and Renaissance

0:36:30.920 --> 0:36:32.799
<v Speaker 1>map sea hair has nothing to do with the sea here.

0:36:32.920 --> 0:36:35.080
<v Speaker 1>It was not a slug. It had fuzzy bunny ears

0:36:35.520 --> 0:36:37.600
<v Speaker 1>and you could have a velveteen sea hair and it

0:36:37.640 --> 0:36:39.759
<v Speaker 1>would be very sad. But yeah, so this sea hare

0:36:39.880 --> 0:36:43.360
<v Speaker 1>is a giant sea slug, and experiments show that it

0:36:43.480 --> 0:36:47.560
<v Speaker 1>can learn associations, for example, a conditioned retraction of the

0:36:47.640 --> 0:36:52.120
<v Speaker 1>gill and siphon organs that strengthened by noxious stimuli like

0:36:52.160 --> 0:36:55.759
<v Speaker 1>electric shocks to the tail. So while learning responses are

0:36:55.840 --> 0:36:58.600
<v Speaker 1>going to vary according to a creature's nero anatomy, there

0:36:58.600 --> 0:37:02.520
<v Speaker 1>appears to be no general rule against invertebrate learning. Okay,

0:37:02.520 --> 0:37:04.279
<v Speaker 1>that's good to know heading forward. So it's not just

0:37:04.320 --> 0:37:07.520
<v Speaker 1>this idea that, like all the eggs are in this

0:37:07.560 --> 0:37:11.799
<v Speaker 1>one basket for invertebrate learning, only the planarians can learn. No,

0:37:11.920 --> 0:37:14.760
<v Speaker 1>that is not the case. We we got some smart

0:37:14.840 --> 0:37:18.200
<v Speaker 1>sea hairs, relatively smart. But again, to emphasize this was

0:37:18.239 --> 0:37:22.399
<v Speaker 1>the opposite of the conventional wisdom leading into the nineteen fifties, UH,

0:37:22.440 --> 0:37:25.920
<v Speaker 1>and to some degree, even after research demonstrating that there

0:37:26.000 --> 0:37:29.200
<v Speaker 1>was invertebrate learning like, consensus among experts at the time

0:37:29.760 --> 0:37:33.319
<v Speaker 1>resisted the idea of true invertebrate learning even after some

0:37:33.360 --> 0:37:38.080
<v Speaker 1>published studies. One example cited by Rilling concerns a response

0:37:38.120 --> 0:37:41.640
<v Speaker 1>after McConnell and colleagues seemed to indicate that the condition

0:37:41.760 --> 0:37:45.360
<v Speaker 1>learning they could elicit in planaria had a sustained effect

0:37:45.640 --> 0:37:48.640
<v Speaker 1>that the memory associations lasted not just for hours, not

0:37:48.760 --> 0:37:52.080
<v Speaker 1>just for days, but literally for for months at a time.

0:37:52.120 --> 0:37:54.840
<v Speaker 1>I think they set up to four months. In response

0:37:54.880 --> 0:37:58.560
<v Speaker 1>to this, UH, a renowned zoologist specializing in invertebrates named

0:37:58.600 --> 0:38:02.640
<v Speaker 1>Libby Hyman Say apparently said multiple times, No, that just

0:38:02.800 --> 0:38:06.320
<v Speaker 1>can't be and argued that maybe a planarian could remember

0:38:06.400 --> 0:38:08.960
<v Speaker 1>something for like five minutes or so, but the memory

0:38:08.960 --> 0:38:12.279
<v Speaker 1>retention for weeks or months was just unthinkable. But we

0:38:12.360 --> 0:38:15.560
<v Speaker 1>already see some things at work here in UH in

0:38:15.920 --> 0:38:19.440
<v Speaker 1>McConnell's story, So Rilling points out that while these results

0:38:19.480 --> 0:38:22.759
<v Speaker 1>did bear out and UH he thinks did generally demonstrate

0:38:22.760 --> 0:38:26.280
<v Speaker 1>planarian learning and and showed something that is real and true,

0:38:26.800 --> 0:38:31.040
<v Speaker 1>you could already see some of McConnell's methodological shortcomings at work.

0:38:31.120 --> 0:38:34.239
<v Speaker 1>For example, he and Thompson did not use any kind

0:38:34.280 --> 0:38:38.359
<v Speaker 1>of automatic measuring of the flatworm responses, but instead use

0:38:38.440 --> 0:38:42.960
<v Speaker 1>the more traditional method of quote naturalistic observation, which I

0:38:43.000 --> 0:38:45.520
<v Speaker 1>think means that they just watched to see what happened.

0:38:46.040 --> 0:38:49.479
<v Speaker 1>You can probably guess why psychologists today try to find

0:38:49.480 --> 0:38:53.200
<v Speaker 1>ways not to rely on experiment or is just eyebawling

0:38:53.239 --> 0:38:56.560
<v Speaker 1>it when making a judgment about what happened. Uh, You're

0:38:56.600 --> 0:38:59.160
<v Speaker 1>you're way more subject to experiment or bias this way.

0:38:59.200 --> 0:39:00.759
<v Speaker 1>You want to if POSSE will come up with an

0:39:00.760 --> 0:39:04.840
<v Speaker 1>automatic method, right, because I mean, ironically what you're dealing

0:39:04.880 --> 0:39:08.359
<v Speaker 1>with when you're just dealing with observations as you are,

0:39:08.360 --> 0:39:12.080
<v Speaker 1>of course dealing with memory. Um, even if certainly if

0:39:12.080 --> 0:39:14.600
<v Speaker 1>you're making notes about what you're seeing as you're seeing it,

0:39:15.120 --> 0:39:17.440
<v Speaker 1>you're still having to rely then on your memory of

0:39:17.480 --> 0:39:21.279
<v Speaker 1>the observation far better and you know, far more reliable

0:39:21.520 --> 0:39:25.239
<v Speaker 1>to be able to point to say measurements yeah, yeah,

0:39:25.320 --> 0:39:27.719
<v Speaker 1>done by a machine or something, have some kind of

0:39:27.760 --> 0:39:31.080
<v Speaker 1>method that's not just your subjective judgment of what you

0:39:31.200 --> 0:39:35.319
<v Speaker 1>just saw, being able to say this organism moved you know,

0:39:35.360 --> 0:39:37.880
<v Speaker 1>however far have left in this experiment, and then in

0:39:37.880 --> 0:39:41.640
<v Speaker 1>a second experiment the same thing definitely occurred. Yes, Uh.

0:39:41.640 --> 0:39:44.080
<v Speaker 1>And I want to be clear that like this doesn't

0:39:44.280 --> 0:39:48.040
<v Speaker 1>experiment or bias doesn't have to result from experimenters trying

0:39:48.080 --> 0:39:52.080
<v Speaker 1>to trick anyone or being trying to commit conscious fraud.

0:39:52.200 --> 0:39:54.480
<v Speaker 1>For their results, so they can be doing their honest

0:39:54.520 --> 0:39:57.759
<v Speaker 1>best to try to represent things accurately. But still, you know,

0:39:59.000 --> 0:40:03.200
<v Speaker 1>observation is somewhat subjective. You're going to honestly believe you

0:40:03.239 --> 0:40:06.520
<v Speaker 1>saw something differently than somebody else did, or you know,

0:40:06.560 --> 0:40:09.239
<v Speaker 1>our observations and our memories are not perfect, and they're

0:40:09.320 --> 0:40:12.200
<v Speaker 1>highly influenced by what we want to see or expect

0:40:12.280 --> 0:40:16.000
<v Speaker 1>to see. Also, Rilling points out that McConnell and Thompson's

0:40:16.000 --> 0:40:20.240
<v Speaker 1>graduate advisor here was a comparative psychologist named M. E. Bitterman,

0:40:20.880 --> 0:40:23.799
<v Speaker 1>who was critical of both students for not being careful enough,

0:40:23.840 --> 0:40:27.920
<v Speaker 1>for example, not including a control group that were exposed

0:40:27.920 --> 0:40:32.399
<v Speaker 1>to both shocks and light flashes but unpaired from each

0:40:32.400 --> 0:40:35.480
<v Speaker 1>other to more firmly establish a causal link for the

0:40:35.880 --> 0:40:38.400
<v Speaker 1>for the conditioning process itself. But what if they had

0:40:38.400 --> 0:40:41.400
<v Speaker 1>gotten both flashes and shocks and they just weren't linked

0:40:41.520 --> 0:40:44.040
<v Speaker 1>the same way they were in the in the test group,

0:40:44.640 --> 0:40:47.760
<v Speaker 1>And they apparently didn't do that, And so Rilling seems

0:40:47.800 --> 0:40:51.840
<v Speaker 1>to see this as characteristic of McConnell's career as a whole.

0:40:52.239 --> 0:40:55.440
<v Speaker 1>Uh to quote from him in a summary passage, quote,

0:40:55.880 --> 0:41:00.440
<v Speaker 1>McConnell an innovator raced from one exciting phenomenon to next

0:41:00.520 --> 0:41:05.920
<v Speaker 1>without comprehensive experimental analysis or adequate controls. McConnell's controls were

0:41:05.960 --> 0:41:10.560
<v Speaker 1>often developed as a response to his critics. McConnell's students

0:41:10.640 --> 0:41:13.920
<v Speaker 1>and other scientists were left to the task of cleaning

0:41:14.000 --> 0:41:17.960
<v Speaker 1>up after McConnell by adding the control groups that he omitted.

0:41:18.480 --> 0:41:20.080
<v Speaker 1>And I think it's easy to see how this kind

0:41:20.080 --> 0:41:23.720
<v Speaker 1>of thing can be at at the same time very

0:41:23.840 --> 0:41:27.880
<v Speaker 1>uh winning and exciting, especially to maybe the general public

0:41:27.960 --> 0:41:31.240
<v Speaker 1>and you know, publications writing about his exciting and strange

0:41:31.280 --> 0:41:35.480
<v Speaker 1>and counterintuitive new research, but also really irritating to appears

0:41:35.480 --> 0:41:39.440
<v Speaker 1>in the field if you're vaulting from one flashy, controversial,

0:41:39.520 --> 0:41:42.880
<v Speaker 1>exciting discovery to another without taking the time to slow

0:41:42.920 --> 0:41:45.359
<v Speaker 1>down and be sure you're on firm ground after each

0:41:45.400 --> 0:41:48.919
<v Speaker 1>stop right, because the ideal process. If the study comes

0:41:48.920 --> 0:41:51.120
<v Speaker 1>out and there's some sort of problem with it, than

0:41:51.560 --> 0:41:53.520
<v Speaker 1>than you know, the others in the field chime in.

0:41:53.960 --> 0:41:56.880
<v Speaker 1>There's a sort of amount of course correction that takes place.

0:41:57.120 --> 0:41:59.080
<v Speaker 1>You go back to the drawing board, try to figure

0:41:59.080 --> 0:42:01.399
<v Speaker 1>out how you went. Yeah, yeah, may yeah, maybe tell

0:42:01.400 --> 0:42:04.399
<v Speaker 1>you complete step or two backwards. You don't just keep

0:42:04.440 --> 0:42:07.440
<v Speaker 1>going along this line because you know that there is

0:42:07.520 --> 0:42:09.359
<v Speaker 1>gold on the other end. But at the same time,

0:42:09.400 --> 0:42:12.040
<v Speaker 1>I mean, you can totally understand the temptation to do

0:42:12.080 --> 0:42:14.640
<v Speaker 1>it that way. It sounds so much more exciting than

0:42:14.719 --> 0:42:18.200
<v Speaker 1>trying to buckle down and be super sure and super

0:42:18.320 --> 0:42:21.960
<v Speaker 1>rigorous about what you think you already proved well. Un

0:42:21.960 --> 0:42:24.319
<v Speaker 1>as we get into something we've discussed some the show

0:42:24.400 --> 0:42:27.200
<v Speaker 1>before about just in the nature of scientific inquiry, Like

0:42:27.520 --> 0:42:29.480
<v Speaker 1>it's one of these things that in some ways it

0:42:29.600 --> 0:42:32.640
<v Speaker 1>is very much like how the human mind works and

0:42:32.680 --> 0:42:37.080
<v Speaker 1>how humans have always solved problems. Uh, you can find,

0:42:37.719 --> 0:42:41.680
<v Speaker 1>you know, examples of what is essentially scientific inquiry, certainly

0:42:41.960 --> 0:42:45.919
<v Speaker 1>in in in prehistoric people's But at the same time,

0:42:45.960 --> 0:42:51.359
<v Speaker 1>there are aspects of scientific inquiry that defy what it

0:42:51.400 --> 0:42:54.640
<v Speaker 1>is to be a human problem solver, that that that

0:42:54.800 --> 0:42:57.600
<v Speaker 1>perfect the method in ways that don't make sense just

0:42:57.680 --> 0:43:00.040
<v Speaker 1>within the confines of you know, you know, minute to

0:43:00.120 --> 0:43:04.480
<v Speaker 1>minute human experience exactly. Trial and error comes naturally, but

0:43:04.600 --> 0:43:08.400
<v Speaker 1>we're way too prone to rely on heuristics, you know,

0:43:08.520 --> 0:43:11.520
<v Speaker 1>to to use our sort of standard day to day

0:43:11.600 --> 0:43:16.200
<v Speaker 1>trial and error judgment for real scientific investigation, because usually

0:43:16.280 --> 0:43:19.520
<v Speaker 1>we only need one or two examples of something going

0:43:19.600 --> 0:43:22.279
<v Speaker 1>right for us to derive a rule from it, and

0:43:22.360 --> 0:43:24.839
<v Speaker 1>one or two examples is not. You know, that's still

0:43:24.840 --> 0:43:29.040
<v Speaker 1>an anecdote scientifically. Here's an example from my my life

0:43:29.120 --> 0:43:32.839
<v Speaker 1>as a parent. Um My son at an early age

0:43:32.880 --> 0:43:37.520
<v Speaker 1>was enthralled by claw machines like pizza parlors and um

0:43:37.680 --> 0:43:40.399
<v Speaker 1>and whatnot. And so the first time I let him

0:43:40.600 --> 0:43:42.960
<v Speaker 1>try it, I said, Okay, here's the quarter, you can

0:43:43.000 --> 0:43:45.640
<v Speaker 1>try it. And I was thinking he'll learn a good lesson.

0:43:45.719 --> 0:43:47.359
<v Speaker 1>You know, you won't pick anything up with the clause,

0:43:47.360 --> 0:43:49.320
<v Speaker 1>And I don't see. This is a tricky machine made

0:43:49.680 --> 0:43:53.000
<v Speaker 1>exclusively to take his money by tempting when with the

0:43:53.080 --> 0:43:55.400
<v Speaker 1>idea that will win a cheap prize. And then he

0:43:55.440 --> 0:43:58.400
<v Speaker 1>wins a cheap prize the first time, right, So I

0:43:58.480 --> 0:44:02.000
<v Speaker 1>instantly said the wrong lesson. And then there was another

0:44:02.200 --> 0:44:05.640
<v Speaker 1>case like shortly thereafter, maybe a little long later, but

0:44:07.680 --> 0:44:11.080
<v Speaker 1>he had some credits at some sort of parlor as

0:44:11.120 --> 0:44:14.239
<v Speaker 1>part of a children's birthday party, did it again, won

0:44:14.280 --> 0:44:16.719
<v Speaker 1>a prize, and so now it's ruined like to the

0:44:16.719 --> 0:44:19.160
<v Speaker 1>two prizes makes a rule of the claw machines are

0:44:19.200 --> 0:44:22.640
<v Speaker 1>where you get cheap toys, and the trickery is you

0:44:22.680 --> 0:44:25.440
<v Speaker 1>know someone lost on him at this at this point anyway,

0:44:25.520 --> 0:44:28.120
<v Speaker 1>Oh no, I mean that kind of learning. I've actually

0:44:28.160 --> 0:44:31.799
<v Speaker 1>wondered before if that could feature into and maybe as

0:44:31.840 --> 0:44:33.520
<v Speaker 1>far as we know, it already does, but could in

0:44:33.560 --> 0:44:37.239
<v Speaker 1>the future feature into a a more insidious type of

0:44:37.280 --> 0:44:41.680
<v Speaker 1>slot machine. It's a more perfect gambling addiction creator and

0:44:41.760 --> 0:44:44.719
<v Speaker 1>money extractor. And what how it would simply work is

0:44:44.719 --> 0:44:47.759
<v Speaker 1>it's got a camera on there with facial recognition, and

0:44:47.840 --> 0:44:50.880
<v Speaker 1>it can recognize if you've played a slot machine in

0:44:50.920 --> 0:44:54.200
<v Speaker 1>this casino before, and if you haven't it's and it's

0:44:54.200 --> 0:44:57.360
<v Speaker 1>your first time. It gives you a small payout on

0:44:57.400 --> 0:45:00.040
<v Speaker 1>your first go. Yeah, I give you that that that

0:45:00.040 --> 0:45:03.640
<v Speaker 1>that first time user beginner luck, but also give you

0:45:03.680 --> 0:45:07.719
<v Speaker 1>false expectations about what's playing a slot machine is all about, exactly.

0:45:07.880 --> 0:45:10.200
<v Speaker 1>But I hope I didn't just give ideas to some

0:45:10.560 --> 0:45:14.000
<v Speaker 1>really insidious designer there, right, because to be sure, to

0:45:14.040 --> 0:45:16.840
<v Speaker 1>be clear, and we certainly did a couple of episodes

0:45:16.840 --> 0:45:19.320
<v Speaker 1>and slot machines in the past. A slot machines purpose

0:45:19.440 --> 0:45:21.480
<v Speaker 1>is to take your money, and the slot machine playing

0:45:21.520 --> 0:45:24.720
<v Speaker 1>experience is the loss of money. Yeah, the slot machine

0:45:24.760 --> 0:45:27.880
<v Speaker 1>is not designed to help you win big. If you

0:45:27.920 --> 0:45:30.080
<v Speaker 1>want to play them, you should understand that you are

0:45:30.160 --> 0:45:34.440
<v Speaker 1>paying for an entertaining experience and that's the best case scenario. Alright,

0:45:34.440 --> 0:45:36.200
<v Speaker 1>We we got a little off topic there, but it's

0:45:36.239 --> 0:45:38.959
<v Speaker 1>just as well because we've kind of hit our time

0:45:39.400 --> 0:45:43.279
<v Speaker 1>for this part of the inquiry. We're gonna be back

0:45:43.280 --> 0:45:47.120
<v Speaker 1>in the next episode to continue this discussion of planarians

0:45:47.320 --> 0:45:51.279
<v Speaker 1>to what extent can they can they learn? But also

0:45:51.320 --> 0:45:53.200
<v Speaker 1>we're going to get into this other area about the

0:45:53.440 --> 0:45:59.040
<v Speaker 1>absorption of another worm's memory. Is it possible uh, through cannibalism?

0:45:59.040 --> 0:46:02.320
<v Speaker 1>Through cannibalism, And then how does McConnell get into trouble

0:46:02.920 --> 0:46:05.680
<v Speaker 1>based on his reported findings, and then where do we

0:46:05.680 --> 0:46:10.240
<v Speaker 1>go from here in the modern age. In the meantime,

0:46:10.280 --> 0:46:12.160
<v Speaker 1>if you want to check out other episodes of Stuff

0:46:12.160 --> 0:46:13.560
<v Speaker 1>to Blow your Mind, head on over to Stuff to

0:46:13.600 --> 0:46:15.560
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0:46:15.560 --> 0:46:18.359
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<v Speaker 1>check out other shows that were involved in. First of all,

0:46:35.080 --> 0:46:38.760
<v Speaker 1>there's Invention. We've mentioned that one before on the show already,

0:46:38.800 --> 0:46:42.000
<v Speaker 1>and uh, this is a journey through human techno history.

0:46:42.040 --> 0:46:44.279
<v Speaker 1>Find it an Invention pod dot com or wherever you

0:46:44.320 --> 0:46:48.239
<v Speaker 1>get your podcasts. We've mentioned the second oil age that

0:46:48.320 --> 0:46:50.120
<v Speaker 1>is out as well, if you want to a short

0:46:50.200 --> 0:46:55.200
<v Speaker 1>form of fiction horror fiction exploration throughout your holidays. Oh

0:46:55.280 --> 0:46:57.560
<v Speaker 1>and I should also note if you were interested in

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<v Speaker 1>stuff to blow your mind merchandise, we still have the

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<v Speaker 1>there is going to be a sale of some sort

0:47:06.480 --> 0:47:08.799
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0:47:08.800 --> 0:47:12.439
<v Speaker 1>around Thanksgiving, there are all these sales. The same will

0:47:12.440 --> 0:47:14.200
<v Speaker 1>be true of our T shirt store. You can find

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<v Speaker 1>the Scugs shirt. Also, of course, the the Great Basilisk

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<v Speaker 1>shirt was a big hit to the sphere catastrophe and

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<v Speaker 1>it's one of my favorites, as well as some standard

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<v Speaker 1>logo stuff. And I believe there's gonna be a new

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<v Speaker 1>shirt in the store as well, so that's gonna be

0:47:32.239 --> 0:47:36.560
<v Speaker 1>worth checking out. Definitely. By all the merch huge thanks

0:47:36.680 --> 0:47:40.520
<v Speaker 1>as always to our excellent audio producer Seth Nicholas Johnson.

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