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Hallucinations
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  • Sortie le : 6/11/12
  • Pages : 322
  • Partenaire : Picador
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Sciences

Hallucinations

Par Oliver Sacks

En bref

Have you ever seen something that wasn't really there ? Heard someone call your name in an empty house ? Sensed someone following you and turned around to find nothing ? Hallucinations don't belong wholly to the insane. much more commonly, they are linked to sensory deprivation, intoxication, illness, or injury. People with migraines may see shimmering arcs of light or tiny, Lilliputian figures. People with failing eyesight, paradoxically, may become immersed in an hallucinatory visual world. Hallucinations can be brought on by a simple fever or even the act of walking or falling asleep. In some conditions, hallucinations can lead to religious epiphanies or the feeling of leaving one's own body. Humans have always sought such life-changing visions, and for thousands of years have used hallucinogenic compounds to achieve them. As a young doctor in California in the 1960s, Oliver Sacks had both a personal and a professional interest in psychedelics. These, along with his early migraine experiences, launched a lifelong investigation into the varieties of hallucinatory experience. Here, with his usual elegance, curiosity, and compassion, Dr Sachs weaves together stories of his patients and his own mind-altering experiences to illuminate what hallucinations tell us about the organization and structure of our brains, how they have influenced every culture's folklore and art, and why the potential for hallucination is present in us all a vital part of the human condition.

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