Dr. Oliver Sacks describes uncanny out-of-body experiences of his patients. From his new book, HALLUCINATIONS.

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.

Oliver Sacks, the famed neurologist and author who was called the “poet laureate of medicine” died in his New York City home Sunday. He was 82. “The MacNeil/Lehrer NewsHour” spoke with Sacks in 1989. Joanna Simon asked him how he would like to be remembered in 100 years: “I would like it to be thou

In this 1995 interview, famed neurologist and author Oliver Sacks talks about the perils of profiling people, his friendship with Robin Williams (who played him in the film "Awakenings"), his wariness of technology, an island where 10% of the population can't see color, and his wonder over our "unim...

music minds See an expanded version of the film's sequence on Oliver Sacks's brain as it reacts to different pieces of music.