Extrageniculate mediation of unconscious vision in transcranial magnetic stimulation-induced blindsight.

  title={Extrageniculate mediation of unconscious vision in transcranial magnetic stimulation-induced blindsight.},
  author={Tony Ro and Dominique Shelton and Olivia L. Lee and Erik Chang},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={101 26},
The proposed neural mechanisms supporting blindsight, the above-chance performance of cortically blind patients on forced-choice visual discrimination tasks, are controversial. In this article, we show that although subjects were unable to perceive foveally presented visual stimuli when transcranial magnetic stimulation over the visual cortex induced a scotoma, responses nonetheless were delayed significantly by these unconscious distractors in a directed saccade but not in an indirect manual… CONTINUE READING


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