PMID: 12765616DOI: 10.1016/s0896-6273(03)00265-4May 27, 2003Paper
Cortical magnification within human primary visual cortex correlates with acuity thresholds
Neuron
Robert O Duncan, Geoffrey M Boynton
Abstract
We measured linear cortical magnification factors in V1 with fMRI, and we measured visual acuity (Vernier and grating) in the same observers. The cortical representation of both Vernier and grating acuity thresholds in V1 was found to be roughly constant across all eccentricities. We also found a within-observer correlation between cortical magnification and Vernier acuity, further supporting claims that Vernier acuity is limited by cortical magnification in V1.
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