Journal of Cognitive Neuroscience
The Neural Substrates of Visual Implicit Memory: Do the Two Hemispheres Play Different Roles?
Journal of Cognitive Neuroscience
Blindsight after Optic Nerve Injury Indicates Functionality of Spared Fibers
Journal of Cognitive Neuroscience
Residual Vision in a Subject with Damaged Visual Cortex
Journal of Cognitive Neuroscience
Blindsight in Subjects with Homonymous Visual Field Defects
Journal of Cognitive Neuroscience
Neural activity within area v1 reflects unconscious visual performance in a case of blindsight
Journal of Cognitive Neuroscience
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Following damage to primary visual cortex, some patients our initial findings. The data reveal a patchy distribution of redemonstrate a limited ability to respond to stimuli they do not sidual visual abilities in the absence of acknowledged awareness. acknowledge seeing. This residual vision, which has been referred to as “blindsight,” has been attributed to secondary visual pathways. We previously reported an isolated island of blindsight in one patient and argued it was a likely consequence of cortical sparing in V1. We now report an extension of our initial findings. The data reveal a patchy distribution of residual visual abilities in the absence of acknowledged awareness. Variable patterns of cortical sparing appear to be the most parsimonious way to account for this outcome, suggesting that blindsight is generally mediated by the primary visual pathway.