CogNation

• Expanding our Moral Circle with Philosopher Jeff Sebo

  Rolf and Joe talk to NYU philosopher Jeff Sebo about his new book "The Moral Circle", which makes the case for expanding our circle of who is deserving of ethical consideration to nonhuman animals, insects, plants, and AI systems.

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  1:18:21
• Dreaming (part 3) with Antti Revonsuo

  Rolf and Joe wrap up their 3-part series on dreaming with Finnish neuroscientist and philosopher Antti Revonsuo. Dr. Revonsuo is the originator of the Threat Simulation theory of dreams, which suggests that dreams are simulated worlds in which we may practice threatening situations. Topics include the history and methodology in dream research, how our brains create simulated worlds, the particular nature of the simulated dream world, and how this applies to waking consciousness. We base our discussion on three forthcoming papers:Revonsuo, A. (in press) Toward a Metaphysics of Consciousness: Science and the Fundamental Nature of Subjective Experience. To appear in The Scientific Study of Consciousness: Experimental and Theoretical Approaches. (Springer Nature).Revonsuo, A. & Tuominen, J. (in press) The Concept of Dreaming as a World. To appear in Threshold Worlds (Oxford University Press).Revonsuo, A., Valli, K., & Tuominen, J. (in preparation) Evolutionary Simulation Theories of Dreaming.

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  1:36:52
• Dreams and Anaesthesia: Guest Pilleriin Sikka

  In their second episode in a series on dreaming, Joe and Rolf are joined by Dr. Pilleriin Sikka, a Stanford neuroscientist who is currently studying the therapeutic value of dreams under anesthesia. Hack, L. M., Sikka, P., Zhou, K., Kawai, M., Chow, H. S., & Heifets, B. (2024). Reduction in Trauma-Related Symptoms After Anesthetic-Induced Intra-Operative Dreaming. American Journal of Psychiatry, 181(6), 563-564.https://psychiatryonline.org/doi/full/10.1176/appi.ajp.20230698

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  44:05
• Why do we dream?

  Why do we dream, and what is the meaning of our dreams? Rolf and Joe talk about several ideas about dreaming, including a new theory by David Eagleman called the "defensive activation theory", which proposes that dreams are like a screen saver to keep the visual parts of the brain from being overtaken by other senses.Eagleman, D. M., & Vaughn, D. A. (2020). The Defensive Activation theory: dreaming as a mechanism to prevent takeover of the visual cortex. bioRxiv, 2020-07.

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  47:33
• Daniel Dennett: A Retrospective

  Daniel Dennett, who passed away on April 19th at the age of 82, was one of the great philosophers of our time. Rolf and Joe discuss his ideas and his influence on the field of philosophy, including (especially) bringing consciousness back as a topic of serious study with his book "Consciousness Explained", as well as his work on free will, evolution, religion, and constructing a convincing argument.

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  48:12

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