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Many Minds

Many Minds

著者： Diverse Intelligences Summer Institute — Kensy Cooperrider
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 A podcast that explores our world's diverse forms of mind—human, animal, machine—from diverse perspectivesDiverse Intelligences Summer Institute 2020-2025 科学
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  • The big five and beyond

    The big five and beyond
    2025/05/29
    If you've heard anything about the study of human personality, you've probably heard about the “big five.” This is a framework that attempts to characterize human personality in terms of five broad factors or dimensions—neuroticism, extraversion, openness, conscientiousness, and agreeableness. The big five framework has been enormously influential, generating heaps and heaps of data, and study after study on the stability of personality, on the factors that shape our personalities, on how our personalities predict success and satisfaction. But is the big five really the best we can do? What does it miss? What does it mask? Where should the science of human personality go next? My guest today is Dr. René Mõttus. René is Professor of Psychology at the University of Edinburgh, and a leading researcher the scientific study of human personality. He’s also one of the hosts of the Personality Psychology Podcast. Here, Rene and I talk about about the history and colossal success of the “big five.” We consider whether personality is ultimately rooted in our biology—and, if so, how. We dwell on each of the five factors and dig into discuss the facets and nuances within them. These are, actually, technical terms in the field for the more granular aspects of personality that sit within each of these broad dimensions. We talk about personality change across the lifespan, and what factors seem to be driving it. We talk about personality and occupation, personality and birth order, personality and gender. Along the way, René and I touch on the Myers-Briggs; an alternative to the Big 5 known as the HEXACO model; the power of explicit questionnaires over experiments; the concept of "personality age"; the social investment theory; honesty, humility, humor, jealousy; life satisfaction; gene-environment correlations; and why evolutionary stories about personality seem to fail. Alright friends, I think you'll like this one. On to my conversation with Dr. René Mõttus. Enjoy! A transcript of this episode will be posted soon. Notes and links 5:30 – For a popular discussion of the Myers-Briggs and other personality tests, see here. For a book-length treatment of the history of the Myers-Briggs test, see here. 11:30 – For Dr. Mõttus’s preprint on “personality age,” see here. 17:00 – For our episode on animal personality with Dr. Kate Laskowski, see here. 18:00 – For Dr. Daniel Nettle’s book on personality, see here. 22:00 – See Dr. Mõttus’s blog post on the genetic basis of personality. 25:00 – For our episode with Dr. Erik Turkheimer about IQ, see here. For Dr. Turkheimer’s “phenotypic null hypothesis” about personality, see here. 28:00 – For a theoretical paper by Dr. Mõttus and colleagues about “carving personality at its joints” and “big few models”—among many other issues—see here. 31:00 – See here for a classic overview of the “big five.” 38:00 – For an overview of the predictive power of the “big five,” see here. 40:00 – On the topic of “nuances,” see Dr. Mõttus’s recent co-authored paper here. 43:00 – For the study by Dr. Mõttus and colleagues of the personality profiles of different occupations, see here. For an online tool that allows you to explore the data, see here. For an online tool that matches your personality with the personality profiles of different occupations, see here. 47:00 – A classic paper on the HEXACO model of personality. 51:00 – An example of a recent effort to map out the “facets” of personality. 1:11:00 – For a study on the possibility of gene-environment correlations in the area of music, see here. For the study by Dr. Mõttus and colleagues on children “becoming less alike” through adolescence, see here. 1:18:00 – For a classic statement of the “five factor theory,” see here. 1:20:00 – The Wikipedia page for the idea of the “gloomy prospect” is here. This is also the name of Dr. Turkheimer’s newsletter. 1:22:00 – The latest installment in the longstanding debate about birth order and personality. 1:27:00 – A paper comparing the “five factor” and “social investment” accounts of personality development. 1:33:00 – For a recent paper by Dr. Mõttus and colleagues on personality and gender, see here. 1:38:00 – A research article on the Estonian Biobank. Recommendations ‘Life Events and Personality Change: A Systematic Review and Meta-Analysis,’ by Bühler et al. ‘Personality stability and change: A meta-analysis of longitudinal studies,’ by Bleidorn et al. ‘Choosing prediction over explanation in psychology,’ by Yarkoni & Westfall Many Minds is a project of the Diverse Intelligences Summer Institute, which is made possible by a generous grant from the John Templeton Foundation to Indiana University. The show is hosted and produced by Kensy Cooperrider, with help from Assistant Producer Urte Laukaityte and with ...
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    1 時間 47 分
  • Philosophers on psychedelics

    Philosophers on psychedelics
    2025/05/14
    Some call it the "psychedelic renaissance." In the last decade or so, interest in psychedelic drugs has surged—and not just among Silicon Valley types and psychiatrists and neuroscientists. It's also surged among a stereotypically soberer crowd: academic philosophers. The reasons are clear. With their varied and sometimes transformative effects, psychedelics raise ethical questions, epistemological questions, metaphysical questions, questions about the nature of experience and the nature of the mind. My guest today is Dr. Chris Letheby. Chris is a philosopher of cognitive science at the University of Western Australia and the author of the 2021 book, Philosophy of Psychedelics. Here, Chris and I talk about the so-called classic psychedelics—LSD, psilocybin, ayahuasca, and others—and how interest in them has gone through three distinct waves. We discuss the effects that these substances seem to have, in particular their capacity to treat certain psychiatric conditions and their tendency to induce "mystical-like" experiences. We consider the idea that psychedelics might serve as agents of moral enhancement. And we dig into the psychological and neural mechanisms by which psychedelics seem to have their diverse—and often salutary—effects. Along the way, we talk about ontological shock, comforting delusions, brain plasticity, unselfing, microdosing, placebo effects and adverse effects, physicalism and idealism, the REBUS model, environmental virtues, plant consciousness, meditation, and much more. Maybe this is obvious but this episode is not just for the seasoned psychonauts out there. Whatever your personal experience with these substances, they offer a distinctive window into the mind—a new way of grappling with big questions. Perhaps this much is also obvious but we're not encouraging or endorsing the use of psychedelics here—just offering a little fuel for your intellectual fires! Alright friends, on to my conversation w/ Dr. Chris Letheby. Enjoy! A transcript of this episode is available here. Notes and links 4:00 – For a brief historical overview of research into psychedelics, see this paper. 8:30 – For work by an early trailblazer in the philosophy of psychedelics, see Thomas Metzinger’s Being No One. 12:30 – For our earlier episode on the psychology and philosophy of visual illusions, see here. 18:00 – For a history of the concept of “set and setting,” see here. 19:00 – A 2024 review of “adverse events” in classic psychedelics. 26:00 – A blog post on the history of the term “psychedelic.” 27:00 – A recent review and meta-analysis of the use of psychedelic therapy for depressive symptoms. 31:00 – On mystical experience see Walter Stace’s classic work, Mysticism and Philosophy. On the measurement of mystical-type experiences, see, e.g., Walter Pahnke’s paper here. 36:00 – On the idea of “psychoplastogens,” see here. 39:00 – See our earlier audio essay on placebo effects. 41:00 – For the study using Ritalin as an active placebo, see here. 44:00 – Michael Pollan’s book on psychedelics is here. 48:00 – On the idea of “idealism,” see here. 50:30 – For the 2021 study on psychedelics’ capacity to alter metaphysical beliefs, see here. 54:00 – For Dr. Letheby and collaborators’ paper about the “mysticism wars,” see here. 1:02:00 – For a popular article on the possibility that psychedelics reduce fear of death, see here. 1:03:00 – For Dr. Letheby’s paper on psychedelics and the fear of death, see here. 1:11:00 – The phrase “comforting delusion” comes from an article by Michael Pollan. 1:15:00 – For the “REBUS model,” see here. 1:20:00 – On the idea that psychedelics could serve as agents of moral enhancement, see the paper by Brian Earp here. 1:21:00 – For Dr. Letheby’s paper on psychedelics and environmental virtues, see here. For his paper on psychedelics and forgiveness, see here. 1:23:00 – On the subfield of “virtue ethics,” see here. On the virtue of “living in place,” see the paper by Nin Kirkham here. 1:28:00 – For the New Yorker article, by Matthew Hutson, on how psychedelics led him to see trees as smart, see here. For the study, led by Sandeep Nayak, on psychedelics leading people to expand their attributions of consciousness, see here. 1:32:00 – For a first paper by Dr. Letheby on the comparison between meditation and psychedelics, see here. Recommendations Psychedelic Experience, Aidan Lyon Varieties of Psychedelic Experience, Robert Masters & Jean Houston The Antipodes of the Mind, Benny Shanon Many Minds is a project of the Diverse Intelligences Summer Institute, which is made possible by a generous grant from the John Templeton Foundation to Indiana University. The show is hosted and produced by Kensy Cooperrider, with help from Assistant Producer Urte Laukaityte and with creative support from DISI Directors Erica Cartmill ...
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    1 時間 41 分
  • The cuttlefish and its coat of many colors

    The cuttlefish and its coat of many colors
    2025/04/30
    We humans have a hard time becoming invisible. For better or worse, we're basically stuck with the skin and body we have; we’re pretty fixed in our color, our shape, our overall appearance. And so we're fascinated by creatures that aren't—creatures that morph to meet the moment, that can functionally disappear, that can shape-shift on a dime. And no creatures are more skilled, more astonishing, more bedazzling in their abilities to do this kind of thing than the cephalopods. But how do they do this exactly? What's going on in their skin? What's going on under their skin? And what's going on in their brains that makes this all possible? My guest today is Dr. Tessa Montague. Tessa is a neuroscientist in the Axel Lab at Columbia University; she studies the brain and behavior of the dwarf cuttlefish, with a special focus on the biology of their dynamic skin behaviors. Here, Tessa and I talk about how cuttlefish and other cephalopods exhibit the most impressive camouflaging abilities on the planet. We discuss how they change their skin's appearance with remarkable speed and fidelity—and not just when trying to blend in, but also when hunting, courting, fighting, and more. We talk about whether these behaviors are flexible and whether they're voluntary. We linger on the cruel irony that cuttlefish seem to be colorblind. We talk about the idea that a cephalopod's skin is kind of a window into their brain. We lay out the cells and organs in the cephalopod skin the make these behaviors possible—especially the tiny pigment-bearing structures called "chromatophores." And of course we also dive deep into the cephalopod brain and its sometimes bizarre and poorly understood structures. Excited to share it with you friends—I think you'll enjoy it. Without further ado, here's my chat with Dr. Tessa Montague. A transcript of this episode will be posted soon. Notes and links 3:00 – For more on Dr. Montague’s recent expeditions to the Philippines, including photos, see here. 7:30 – Dr. Montague has published two recent reviews of dynamic skin behaviors in cephalopods—see here and here. We previously discussed cephalopod intelligence in a 2021 episode with Dr. Alex Schnell and a 2023 episode with the novelist Ray Nayler. 18:30 – For discussion of a recent “renaissance” in new model organisms, see here. 20:30 – For more on how chameleons change color, see this video. 25:00 – A video primer on cuttlefish camouflage, featuring the researcher Dr. Robert Hanlon. 30:30 – A recent paper on the details of pattern matching in cuttlefish camouflage. 31:00 – For more on the mimicking plant Boquila trifoliolata, see this popular article. See also our earlier episode with Dr. Paco Calvo and Dr. Natalie Lawrence. 35:00 – A video about the so-called mimic octopus. 40:00 – For the hypothesis about color discrimination via chromatic aberration and pupil shape, see here. 44:00 – For more on the “split body” skin behaviors observed in some cuttlefish, see here. 51:00 – For the David Attenborough clip about a cuttlefish hypnotizing a crab, see here. For the recent New York Times article on cuttlefish hunting behavior, including videos, see here. For the academic article that inspired the New York Times piece, see here. 58:00 – A recent scientific study on the possibility of octopus skin activity during dreaming. A video that helped popularize the idea of cephalopod skin activity as evidence of dreaming. Our earlier episode on why we—and other creatures—dream. 1:06:00 – For a study on chromatophore development from the lab of Dr. Gilles Laurent, see here. 1:11:00 – For more on papillae, including videos, see here. 1:17:00 – To explore an animated model of the cuttlefish brain, see this page of Dr. Montague’s website, Cuttlebase. Recommendations Monarchs of the Sea, Danna Staaf Other Minds, Peter Godfrey-Smith Cephalopod Behavior, Roger Hanlon & John B. Messenger Many Minds is a project of the Diverse Intelligences Summer Institute, which is made possible by a generous grant from the John Templeton Foundation to Indiana University. The show 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) or Bluesky (@manymindspod.bsky.social).
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    1 時間 34 分

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