Oliver Sacks: What Hallucination Reveals About Our Minds

  • Published28 Jul 2015
  • Reviewed28 Jul 2015
  • Author Oliver Sacks
  • Source TED

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.

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TED