Linking individual differences in human primary visual cortex to contrast sensitivity around the visual field.

In a supplementary analysis we tested this left-right horizontal meridian asymmetry using an extended dataset ( n = 54; the 29 observers here and 25 additional observers for whom we have retinotopy measurements but no psychophysics data) and found the slight bias for more surface area along the right than left horizontal meridian was diminished and became only marginally significant ( p = 0.065), d = 0.26; Supplementary Fig. 2 ).

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