Following Episode 1 - Part 1, this second part of Hedi’s conversation with science writer Moheb Costandi unpacks how our sense of agency – the feeling of being in control of our actions and responsible for their outcomes – can be disrupted in conditions like Alien Hand Syndrome and schizophrenia, manipulated on the operating table, or even altered in everyday life. Their discussion also ranges from the science behind anorexia nervosa and Alice in Wonderland Syndrome to peripersonal space – the invisible bubble around our bodies that helps define the boundary between self and world. What do these insights reveal about the nature of consciousness itself?
Relevant links:
Book – Body Am I: The New Science of Self-Consciousness by Moheb Costandi
Further Reading & Support for Conditions Mentioned:
Research and support for chronic pain and phantom limb pain
Support for amputees and prosthetics users
Charity for limbless veterans and their families
Supporting those with eating disorders, including anorexia nervosa
Chapters:
(00:00) Introduction and Overview of Bodily Awareness
(01:52) When Hands Have a Mind of Their Own
(03:30) Distorted Agency in Schizophrenia
(06:25) Avatar Therapy
(07:33) An Alien Hand Case
(08:52) Manipulating Agency in the Lab
(10:57) Surgically Hijacking Free Will
(12:25) Body Awareness in Anorexia
(16:27) Alice in Wonderland Syndrome
(19:53) Peripersonal Space
(24:40) Prosthetic Limbs and Robotic Hands
(26:15) Implications for Consciousness
(27:34) Wrapping Up
Episode Credits:
Creator & Series Producer: Hedi Young
Concept Development & Curation: Ana Rita Mendes, António Monteiro, Carla Emilie Pereira, Catarina Ramos, Diana Cadete, Hedi Young, João Van Zelst, John Lee, Marta Correia, Thaïs Lindemann and Teresa Fernandes
Host: Hedi Young
Guest: Moheb Costandi
Graphic Design: Marta Correia
Sound Design: João Van Zelst
Dissemination: Ana Rita Mendes and Diana Cadete
The views and opinions expressed in this podcast are those of the participants and do not necessarily reflect the official policy or position of the Champalimaud Foundation.
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