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A Brain Mechanism underlying “Vision” in the Blind is Revealed 07.01.2021 Researchers observed slow spontaneous fluctuations in the brain’s visual centers that preceded visual hallucinations in blind people You are here Share Some people have lost their eyesight, but they continue to “see.” This phenomenon, a kind of vivid visual hallucination, is named after the Swiss doctor, Charles Bonnet, who described in 1769 how his completely blind grandfather experienced vivid, detailed visions of people, animals and objects. Charles Bonnet syndrome, which appears in those who have lost their eyesight, was investigated in a study led by scientists at the Weizmann Institute of Science. The findings, published today in ....
E-Mail IMAGE: The visual centers in those seeing a film or imagining as instructed had similar timing in their brain activity, while those experiencing spontaneous hallucinations showed a gradual increase in slow. view more Credit: The Weizmann Institute of Science Some people have lost their eyesight, but they continue to see. This phenomenon, a kind of vivid visual hallucination, is named after the Swiss doctor, Charles Bonnet, who described in 1769 how his completely blind grandfather experienced vivid, detailed visions of people, animals and objects. Charles Bonnet syndrome, which appears in those who have lost their eyesight, was investigated in a study led by scientists at the Weizmann Institute of Science. The findings, published today in ....