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17 September 2009
What hallucination reveals about our minds: Oliver Sacks on TED.com
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. (Recorded at TED2009, in Long Beach, California. Duration: 18:48)
Twitter URL: http://on.ted.com/39
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