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What Hallucination Reveals About Our Minds | Oliver Sacks

By Oliver Sacks — 2009

Neurologist and author Oliver Sacks brings our attention to Charles Bonnett syndrome - when visually impaired people experience lucid hallucinations. He describes the experiences of his patients in heartwarming detail and walks us through the biology of this under-reported phenomenon.

18:46 min

18:51

Jared Diamond: Lessons from Hunter-Gatherers | Nat Geo Live

Jared Diamond, a National Geographic explorer-in-residence and Pulitzer Prize-winning author, studies how traditional societies around the world treat the aging members of their tribes, and suggests that these cultures have much to teach us about the treatment of our elderly.

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Inner Life