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Feedback activity in the visual cortex is necessary for the perception of objects
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Feedback activity in the visual cortex is necessary for the perception of objects

by Netherlands Institute for Neuroscience  Credit: CC0 Public Domain An important function of vision is to segregate relevant figures from irrelevant backgrounds. A visual stimulus drives a cascade of neural activity from low-level to higher-level visual brain areas. The higher areas also provide feedback to the lower areas, where figures elicit more activity than the...