The Robert B. Silvers Lecture. Neurologist and author Oliver Sacks examines how the normal brain, if deprived of perceptual input, may generate illusory sensations—as with the visual hallucinations of the blind, or the musical hallucinations of the deaf.
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The famed neurologist talks to Fresh Air about how grief, trauma, brain injury, medications and neurological disorders can trigger hallucinations â and about his personal experimentation with hallucinogenic drugs in the 1960s.
Neurologist Oliver Sacks tells stories of people who manage to navigate the world and communicate, despite losing what many consider indispensable senses and abilities: the power of speech, the ability to recognize faces, the sense of three-dimensional space, the ability to read, and to see. In The Mind’s Eye he considers the fundamental questions: How do we see? How do we think?