On Point with Meghna Chakrabarti On Point with Meghna Chakrabarti

Brainwaves: Are you in there?

Aug 18, 2026 · 35m

Summary

Host Meghna Chakrabarti interviews neuroscientist Christoph Koch about consciousness, featuring the story of Martin Pistorius, who was trapped in a locked-in state for 13 years. Koch explains that consciousness is distinct from intelligence and memory, noting that current AI lacks the biological basis for true subjective experience. The discussion explores how science is learning to detect awareness in unresponsive patients and the metaphysical questions surrounding the nature of reality.

Topics discussed

Sponsors and introduction to Martin Pistorius's story Martin Pistorius: Childhood illness and coma Waking up inside: The experience of locked-in syndrome Discovery of consciousness and path to communication Sponsors and transition to expert interview Defining consciousness vs. self-consciousness and memory When does consciousness emerge in humans? Neural correlates of consciousness in the brain Sponsors and transition to AI discussion AI intelligence vs. consciousness: The simulation argument The hard problem: Can we know if AI is conscious? Metaphysics, mystical experiences, and series preview
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