October 29, 2020

Cortical Magnification in Human Visual Cortex Parallels Task Performance around the Visual Field

Human vision has striking radial asymmetries, with performance on many tasks varying sharply as a function of stimulus polar angle. Performance is better on the horizontal than vertical meridian, and on the lower than upper vertical meridian. Here we show that the surface area in human primary visual cortex, measured in 181 subjects, is asymmetrically distributed with a similar pattern, thus indicating a tight link between cortical topography and behavior.

 bioRxiv Subject Collection: Neuroscience

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