TEDTalks: What Hallucination Reveals About Our Minds

TEDTalks: What Hallucination Reveals About Our Minds

In this TEDTalk from 2009, 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.

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