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Talk19 min

What hallucination reveals about our minds

Oliver Sacks · TED

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About

Neurologist and author Oliver Sacks brings our attention to Charles Bonnet 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.

The talk

  1. What hallucination reveals about our minds 19 min · TED's player

Credits and licence

Institution
TED
Department
TED2009
Speaker
Oliver Sacks
Year
2009
Level
For everyone
Language
English
Subjects
Biology, Medicine and health, Psychology and the brain
Source
TED
Licence
CC BY-NC-ND 4.0, as TED states it. Non-commercial use only, and no changed versions. TED's terms
Attribution
TED Talks are licensed by TED under Creative Commons BY-NC-ND 4.0 International and are shown here in TED's own player, as TED's usage policy asks.
Who can watch
TED gives no rating. Invisible Network shows it to Teens profiles and older, judged from what the source says about it. How courses are placed