『#92 Molyneux's Problem and Questioning the Perception/Cognition Border with philosophers Janet Levin and Brian Glenney』のカバーアート

#92 Molyneux's Problem and Questioning the Perception/Cognition Border with philosophers Janet Levin and Brian Glenney

#92 Molyneux's Problem and Questioning the Perception/Cognition Border with philosophers Janet Levin and Brian Glenney

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Send a love messageMolyneux's Question with Janet Levin and Brian GlenneyLove & Philosophy — Beyond DichotomyIn 1688, an Irish scientist named William Molyneux sent John Locke a letter with a question in it. Suppose a man born blind has learned by touch to tell a cube from a sphere. Suppose he is given sight, and the two objects are set on a table in front of him. Could he tell, by looking alone, which is which?Locke said no, and put the question into the second edition of his Essay Concerning Human Understanding. Berkeley said no more emphatically. Leibniz said yes — with a hint, and a little time. And three centuries later the question is still open, only now it's being asked in operating theatres in New Delhi, in habituation studies with ten-hour-old infants, and in the way a skateboarder looks at a handrail.Janet Levin and Brian Glenney have been in conversation about this problem since Brian's dissertation defense in 2007, where Janet was on his committee. They still disagree (productively) about whether you need to move your body in order to see. This episode is that disagreement, twenty years on.Janet Levin is recently retired from the philosophy department at the University of Southern California. She works on the mind-body problem, phenomenal concepts, and what she calls the philosophy of philosophy: whether thought experiments are worth anything, and whether they can absorb empirical information and still count as philosophy. Her 2008 paper introduced the distinction between temporal and epistemic immediacy that has shaped how the Molyneux question is tested ever since.Brian Glenney teaches at Norwich University in Vermont. He wrote his dissertation on Molyneux's problem at USC in 2007 under James Van Cleve and Janet Levin, wrote the Internet Encyclopedia of Philosophy entry on the question, and has since argued for a pluralist answer — that the question has many correct answers depending on who is being asked about, and how. He also works on skateboarding, urban space, and the sensory expertise he calls the skater's eye.Full show notes00:00 — Why a navigational approach to mind keeps running into this question02:20 — Introductions: phenomenal concepts, sensory expertise, and Bernie Sanders at the skate park05:20 — Janet reads Locke's own statement of the question, and his answer08:00 — Why this was supposed to be the crucial experiment for empiricism vs. rationalism10:30 — The 1688 letter Locke never answered, and the 1693 one he did12:00 — Molyneux, Dioptrica Nova, and the attempt to give empiricism experimental oomph14:00 — Why Locke buried the question in a passage about perceptual learning15:00 — Common sensibles: what touch and sight might share17:00 — Locke's "at first sight" trick, and what it forecloses19:30 — Passivity vs. activity: if you move your head, is it still perception?20:40 — Leibniz's cheat code, and the birth of epistemic immediacy22:20 — Janet's distinction: temporal immediacy vs. epistemic immediacy24:15 — Held (2011) and the best evidence for a "no"27:30 — Andrea's caricature: two languages, or one idea?29:30 — Why restored vision isn't normal vision — and the paradox that follows31:00 — Vision and touch as English and Russian; Leibniz as the bilingual child33:30 — Janet on phenomenal concepts and why Molyneux caught her35:40 — Did you know Adam Smith had a theory of perception? He wrote it at fifteen37:50 — Brian finds his own ancestor in the archive: George Glennie, Aberdeen, 179640:15 — The moon illusion, and how Janet and Brian actually met41:20 — The dissertation with six chapters, and the one revision that changed everything42:30 — Maybe there isn't a single correct answer47:15 — Project Prakash: five subjects, three days of play, and a fast yes51:30 — Janet's counter-proposal: what if you only tweak vision?55:20 — Bumpy pacifiers, baby chicks, and the ten-hour-old infants who disagree58:50 — The six-month-old who recognizes its own hand01:01:00 — Nobody frames it as empiricism vs. rationalism anymore01:03:20 — The couch potato perceiver and the sentient statue01:05:50 — Could virtual reality run the experiment we can't?01:07:00 — Path dependency: every subject arrives with a history01:11:20 — The blind Rubik's Cube puzzler, and whether expertise transfers01:15:00 — "Give me something I care about": motivation as the missing variable01:19:10 — Why does perception have to be passive at all?01:22:20 — Andrea: what if it isn't yes or no?01:26:50 — Ned Block and the border between seeing and thinking01:29:20 — The skater's eye: knowledge in the heel rather than the head01:33:00 — Enactivism, affordances, and the motivation Brian adds to them01:36:30 — Janet puts a lock on the back gate01:39:20 — Do you still care about this? Plato's cave, Reid, and the seduction of the external worldSome words that come upEmpiricism / rationalism — The organizing quarrel of the era. Empiricists (...
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