It happens to all of us. Sometimes, we imagine something, that is not real. Called hallucination, it is a perception in the absence of external stimulus that has qualities of real perception. Hallucinations are vivid, and are perceived to be located in external objective space.
But why we hallucinate? What happens when we hallucinate? Oliver Sacks, a neurologist, links hallucination with the Charles Bonnett syndrome. That is when visually impaired people experience lucid hallucinations.
Oliver talks about the experiences of his patients in heartwarming detail and walks us through the biology of the phenomenon.
This team of scientists set out to solve the mystery of chunks of ancient glass scattered in a remote part of the Sahara Desert.And their quest will take them on a perilous journey...
How would the world look without humans in it? Are humans the evil in this world? We often hear that humans make the world a worse place, not a better place.This documentary explor...
This documentary follows filmmaker Dylan Reibling as he investigates the mysterious death of his friend, computer salesman Michael De Bourcier.Mike’s sudden death in 2002 r...
Most of the time, when we sleep, and when we dream, we dream of good things. But what happens when you have a nightmare?What happens if you have hallucinations during sleep? ...
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