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Brain cells use a telephone trick to report what they see

November 29, 2022 by

'How many fingers am I holding up?' For vision-sensing brain cells in a monkey's visual cortex, that answer depends on whether the digits are next to each other or partially overlapping. A new study finds that single neurons conveying visual information about two separate objects in sight do so by alternating signals about one or the other. When two objects overlap, however, the brain cells sense them as a single entity.

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