Published October 23, 2001
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Journal Article
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What visual perception tells us about mind and brain
Chicago
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Abstract
Recent studies of visual perception have begun to reveal the connection between neuronal activity in the brain and conscious visual experience. Transcranial magnetic stimulation of the human occipital lobe disrupts the normal perception of objects in ways suggesting that important aspects of visual perception are based on activity in early visual cortical areas. Recordings made with microelectrodes in animals suggest that the perception of the lightness and depth of visual surfaces develops through computations performed across multiple brain areas. Activity in earlier areas is more tightly correlated with the physical properties of objects whereas neurons in later areas respond in a manner more similar to visual perception.
Additional Information
Copyright © 2001 by the National Academy of Sciences. Published online before print October 16, 2001, 10.1073/pnas.221383698. From the Academy: Japanese American Frontiers Of Science Symposium. This paper is a summary of a session presented at the third annual Japanese–American Frontiers of Science symposium, held September 22–24, 2000, at the Arnold and Mabel Beckman Center of the National Academies of Science and Engineering in Irvine, CA.Files
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