Comparing retinotopic maps of children and adults reveals a late-stage change in how V1 samples the visual field

Marc M. Himmelberg (), Ekin Tünçok, Jesse Gomez, Kalanit Grill-Spector, Marisa Carrasco and Jonathan Winawer
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Marc M. Himmelberg: New York University
Ekin Tünçok: New York University
Jesse Gomez: Princeton University
Kalanit Grill-Spector: Stanford University
Marisa Carrasco: New York University
Jonathan Winawer: New York University

Nature Communications, 2023, vol. 14, issue 1, 1-15

Abstract: Abstract Adult visual performance differs with angular location –it is better for stimuli along the horizontal than vertical, and lower than upper vertical meridian of the visual field. These perceptual asymmetries are paralleled by asymmetries in cortical surface area in primary visual cortex (V1). Children, unlike adults, have similar visual performance at the lower and upper vertical meridian. Do children have similar V1 surface area representing the upper and lower vertical meridian? Using MRI, we measure the surface area of retinotopic maps (V1-V3) in children and adults. Many features of the maps are similar between groups, including greater V1 surface area for the horizontal than vertical meridian. However, unlike adults, children have a similar amount of V1 surface area representing the lower and upper vertical meridian. These data reveal a late-stage change in V1 organization that may relate to the emergence of the visual performance asymmetry along the vertical meridian by adulthood.

Date: 2023
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DOI: 10.1038/s41467-023-37280-8

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