Many Minds By cover art

Many Minds

By: Kensy Cooperrider – Diverse Intelligences Summer Institute
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  • Summary

  • Our world is brimming with beings—human, animal, and artificial. We explore how they think, sense, feel, and learn. Conversations and more, every two weeks.
    Diverse Intelligences Summer Institute 2020
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Episodes
  • Climate, risk, and the rise of agriculture

    Climate, risk, and the rise of agriculture
    Jun 12 2024
    It's an enduring puzzle. For hundreds of thousands of years, our ancestors were nomadic, ranging over large territories, hunting and gathering for sustenance. Then, beginning roughly 12,000 years ago, we pivoted. Within a short timeframe—in Asia, Africa, the Middle East, and the Americas—humans suddenly decided to settle down. We started to store our food. We domesticated plants. We set off, in other words, down a path that would reshape our cultures, our technologies, our social structures, even our minds. Yet no one has yet been able to account for this shift. No one has been able to fully explain why agriculture happened when it happened and where it happened. Unless, that is, someone just did. My guest today is Dr. Andrea Matranga. Andrea is an economist at the University of Torino, in Italy, with a focus on economic history. In a new paper, he puts forward an ambitious, unifying theory of the rise of agriculture in our species. He argues that the key trigger was a spike in seasonality—with certain parts of the world, particularly parts of the northern hemisphere, suddenly experiencing warmer summers and colder winters. This led risk-averse humans in these places to start to store food and, eventually, to experiment with farming. In this conversation, Andrea and I talk about how he developed his theory, in steps, over the course of almost 20 years. We consider the weaknesses of earlier explanations of agriculture, including explanations that focused on climate. We discuss how he wrangled vast historical datasets to test his theory. And we talk about some of the downstream effects that agriculture seems to have had. Along the way we touch on: salmon, wheat, taro, and milk; agriculture as a franchise model; Milankovitch Cycles; risk-aversion and consumption-smoothing; interloping in the debates of other disciplines; the possibility of a fig-based civilization; and how we inevitably project our own concerns onto the past. Alright friends, I hope you enjoy this one. As I said at the top, the origins of agriculture is just one of those irresistible, perennial puzzles—one that cuts across the human sciences. And, I have to say, I find Andrea's solution to this puzzle quite compelling. I'll be curious to hear if you agree. Without further ado, on to my conversation with Andrea Matranga. Enjoy! A transcript of this episode is available here. Notes and links 8:00 – Various versions of the fable ‘The Ant and the Grasshopper’ are compiled here. 13:00 – One of the last remaining ziggurat complexes is Chogha Zanbil. 16:00 – The classic paper by anthropologist Alain Testart on food storage among hunter-gatherers. 19:30 – An influential study emphasizing that agriculture occurred after the Ice Age due to warming conditions. Other studies have posited that other features of climate may have led to the rise in agriculture (e.g., here). 21:00 – An (illustrated) explanation of Milankovitch Cycles. 27:00 – For Marshall Sahlins’ discussion of ‘The Original Affluent Society,’ see here. 32:00 – Jared Diamond’s popular article, ‘The Worst Mistake in the History of the Human Race.’ 33:00 – A paper criticizing the particularistic focus of many archaeological treatments of the origins of agriculture. 36:30 – Dr. Matranga used a variety of data sources to test his theory, including a dataset compiling dates of agricultural adoption. 42:00 – A report detailing evidence of agriculture in Kuk Swamp in New Guinea. 43:00 – The book Cuisine and Empire, by Rachel Laudan. 44:00 – A paper by Luigi Pascali and collaborators on the rise of states and the “appropriability” of cereals. 1:01:00 – A paper about the Natufian culture, which is considered to occupy an intermediate step on the road to agriculture. Recommendations What We Did to Father (republished as The Evolution Man), by Roy Lewis The Living Fields, by Jack Harlan Kalahari Hunter-Gatherers, by Richard Lee and Irven Devore Many Minds is a project of the Diverse Intelligences Summer Institute, which is made possible by a generous grant from the Templeton World Charity Foundation to UCLA. It is hosted and produced by Kensy Cooperrider, with help from Assistant Producer Urte Laukaityte and with creative support from DISI Directors Erica Cartmill and Jacob Foster. Our artwork is by Ben Oldroyd. Our transcripts are created by Sarah Dopierala. Subscribe to Many Minds on Apple, Stitcher, Spotify, Pocket Casts, Google Play, or wherever you listen to podcasts. You can also now subscribe to the Many Minds newsletter here! We welcome your comments, questions, and suggestions. Feel free to email us at: manymindspodcast@gmail.com. For updates about the show, visit our website or follow us on Twitter: @ManyMindsPod.
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    1 hr and 11 mins
  • Consider the spider

    Consider the spider
    May 30 2024
    Maybe your idea of spiders is a bit like mine was. You probably know that they have eight legs, that some are hairy. Perhaps you imagine them spending most of their time sitting in their webs—those classic-looking ones, of course—waiting for snacks to arrive. Maybe you consider them vaguely menacing, or even dangerous. Now this is not all completely inaccurate—spiders do have eight legs, after all—but it's a woefully incomplete and drab caricature. Your idea of spiders, in other words, may be due for a refresh. My guest today is Dr. Ximena Nelson, Professor in the School of Biological Sciences at the University of Canterbury, in New Zealand. Ximena is the author of the new book, The Lives of Spiders. It’s an accessible and stunningly illustrated survey of spider behavior, ecology, and cognition. In this conversation, Ximena and I do a bit of ‘Spiders 101’. We talk about spider senses—especially how spiders use hairs to detect the minutest of vibrations and how they see, usually, with four pairs of eyes. We talk about web-making—which, by the way, the majority of spiders don't do—and silk-making—which all do, but for more reasons than you may realize. We talk about how spiders hunt, jump, dance, pounce, plan, decorate, cache, balloon, and possibly count. We talk about why so many spiders mimic ants. We take up the puzzle of “stabilimenta”. We talk about whether webs constitute an extended sensory apparatus—like a gigantic ear—and why spiders are an under-appreciated group of animals for thinking about the evolution of mind, brain, and behavior. Alright friends, this one is an absolute feast. So let's get to it. On to my conversation with Dr. Ximena Nelson. Enjoy! A transcript of this episode is available here. Notes and links 3:00 – A general audience article about our “collective arachnid aversion” to spiders. 8:00 – An academic article by Dr. Nelson about jumping spider behavior. 8:30 – In addition to spiders, Dr. Nelson also studies kea parrots (e.g., here). 12:00 – A popular article about the thousands of spider species known to science—and the thousands that remain unknown. 16:30 – A popular article about a mostly vegetarian spider, Bagheera kiplingi. 18:00 – For the mating dance of the peacock spider, see this video. 20:00 – A recent study on spider “hearing” via their webs. 24:00 – The iNaturalist profile of the tiger bromeliad spider. 29:30 – A recent study of extended sensing in humans during tool use. 33:00 – A popular discussion of vision (and other senses) in jumping spiders. 40:00 – An earlier popular discussion of spider webs and silk. 45:00 – For a primer on bird’s nests, see here. 48:00 – An article describing the original work on how various drugs alter spiders’ webs. 49:00 – A recent salvo in the long-standing stabilimenta debate. 54:00 – A video about “ballooning” in spiders. 57:00 ­– An article by Dr. Nelson and a colleague about jumping spiders as an important group for studies in comparative cognition. 1:01:00 – A study of reversal learning in jumping spiders, which found large individual differences. 1:07:00 – A study of larder monitoring in orb weaver spiders. 1:10:00 – A study by Dr. Nelson and a colleague on numerical competence in Portia spiders. 1:16:00 – An academic essay on the so-called insect apocalypse. Recommendations Spider Behaviour: Flexibility and Versatility, by M. Herberstein ‘Spider senses – Technical perfection and biology,’ by F. Barth ‘Extended spider cognition’, by H. Japyassú and K. Lala Many Minds is a project of the Diverse Intelligences Summer Institute, which is made possible by a generous grant from the Templeton World Charity Foundation to UCLA. It is hosted and produced by Kensy Cooperrider, with help from Assistant Producer Urte Laukaityte and with creative support from DISI Directors Erica Cartmill and Jacob Foster. Our artwork is by Ben Oldroyd. Our transcripts are created by Sarah Dopierala. Subscribe to Many Minds on Apple, Stitcher, Spotify, Pocket Casts, Google Play, or wherever you listen to podcasts. You can also now subscribe to the Many Minds newsletter here! We welcome your comments, questions, and suggestions. Feel free to email us at: manymindspodcast@gmail.com. For updates about the show, visit our website or follow us on Twitter: @ManyMindsPod.
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    1 hr and 18 mins
  • Can we measure consciousness?

    Can we measure consciousness?
    May 16 2024
    A cluster of brain cells in a dish, pulsing with electrical activity. A bee buzzing its way through a garden in bloom. A newborn baby staring up into his mother's eyes. What all these entities have in common is that we don't quite know what it’s like to be them—or, really, whether it's like anything at all. We don't really know, in other words, whether they’re conscious. But maybe we could know—if only we developed the right test. My guest today is Dr. Tim Bayne. Tim is Professor of Philosophy at Monash University in Melbourne, Australia. He’s a philosopher of mind and cognitive science, with a particular interest in the nature of consciousness. Along with a large team of co-authors, Tim recently published an article titled 'Tests for consciousness in humans and beyond.' In it, they review the current landscape of consciousness tests—or “C-tests”, as they call them—and outline strategies for building more and better tests down the road. Here, Tim and I discuss what consciousness is and why theories of it seem to be proliferating. We consider several of the boundary cases that are most hotly debated right now in the field—cases like brain organoids, neonates, and split-brain patients. We sketch a few of the most prominent current consciousness tests: the command following test, the sniff test, the unlimited associative learning test, and the test for AI consciousness. We talk about how we might be able to inch our way, slowly, toward something like a thermometer for consciousness: a universal test that tells us whether an entity is conscious, or to what degree, or even what kind of conscious it is. Along the way, Tim and I talk about zombies, chatbots, brains in vats, and islands of awareness. And we muse about how, in certain respects, consciousness is like temperature, or perhaps more like happiness or wealth or intelligence, and maybe even a bit like fire. I think you'll enjoy this one, friends—it's a thought-provoking conversation on a foundational topic, and one that takes us far and wide. So without further ado, here's my interview with Dr. Tim Bayne. Enjoy! A transcript of this episode is available here. Notes and links 4:45 – The philosopher Dan Dennett, who passed away in April, was known for his writings on consciousness—among them his 1991 book, Consciousness Explained. 7:00 – The classic paper on the neural correlates of consciousness, by Francis Crick and Christof Koch. 9:00 – A recent review of theories of consciousness by Anil Seth and Dr. Bayne. 10:00 – David Chalmers’ classic paper on the “hard problem” of consciousness. 13:00 – Thomas Nagel’s classic paper on what it’s like to be a bat. 20:00 – A recent paper by James Croxford and Dr. Bayne arguing against consciousness in brain organoids. 23:00 – A recent paper by Dr. Bayne and colleagues about the emergence of consciousness in infants. 27:00 – A recent paper by Dr. Bayne and colleagues about consciousness in split-brain patients. An earlier paper by Dr. Bayne on the same topic. 30:00 – A paper by Dr. Bayne, Dr. Seth, and Marcello Massimini on the notion of “islands of awareness.” 35:00 – The classic paper using the “(covert) command following test” in a patient in a so-called vegetative state. 38:00 – A 2020 paper introducing the “sniff test.” 40:00 – A recent primer on the “unlimited associative learning” test. 43:00 – An essay (preview only), by the philosopher Susan Schneider, proposing the AI consciousness test. 50:00 – The history of the scientific understanding of temperature is detailed in Hasok Chang’s book, Inventing Temperature. 53:30 – Different markers of consciousness in infants are reviewed in Dr. Bayne and colleagues’ recent paper. 1:03:00 – The ‘New York Declaration on Animal Consciousness’ was announced in April. Read about it here. Recommendations Being You, Anil Seth Into the Gray Zone, Adrian Owen Other Minds, Peter Godfrey-Smith Many Minds is a project of the Diverse Intelligences Summer Institute, which is made possible by a generous grant from the Templeton World Charity Foundation to UCLA. It is hosted and produced by Kensy Cooperrider, with help from Assistant Producer Urte Laukaityte and with creative support from DISI Directors Erica Cartmill and Jacob Foster. Our artwork is by Ben Oldroyd. Our transcripts are created by Sarah Dopierala. Subscribe to Many Minds on Apple, Stitcher, Spotify, Pocket Casts, Google Play, or wherever you listen to podcasts. You can also now subscribe to the Many Minds newsletter here! We welcome your comments, questions, and suggestions. Feel free to email us at: manymindspodcast@gmail.com. For updates about the show, visit our website or follow us on Twitter: @ManyMindsPod.
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    1 hr and 10 mins
Science
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