Visual hallucinations can occur in blindness from "summary" of The Mind's Eye by Oliver Sacks
Oliver Sacks explores the fascinating phenomenon of visual hallucinations in individuals who are blind. Contrary to common belief, blindness does not necessarily mean a lack of visual experiences. In fact, the brain has the remarkable ability to create intricate visual images even in the absence of external stimuli. Sacks recounts the case of a woman named Lilian, who lost her sight due to a stroke. Despite being blind, Lilian began to experience vivid and detailed visual hallucinations. These hallucinations were so realistic that she could describe them in great detail, even though she had n...
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