The brain can deceive the eyes in some cases from "summary" of The Mind's Eye by Oliver Sacks
Oliver Sacks introduces us to the intriguing idea that the brain can sometimes play tricks on the eyes. He presents various cases where individuals experience visual hallucinations, a phenomenon known as Charles Bonnet syndrome. These hallucinations are vivid and complex, often involving intricate patterns and detailed scenes that are not actually present in the external environment. Sacks describes how the brain fills in gaps in visual information, creating a cohesive and meaningful picture of the world around us. However, in cases of Charles Bonnet syndrome, this process goes awry, leading to the perception of images that are purely products of the mind. The brain, in a sense, deceives the eyes by generating visual content that is not based on external stimuli. One of the most fascinating aspects of this phenomenon is that individuals experiencing visual hallucinations are often aware that what they are seeing is not real. They can recognize that ...
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