Rapid recurrent processing gates awareness in primary visual cortex.

  title={Rapid recurrent processing gates awareness in primary visual cortex.},
  author={Carsten Nicolas Boehler and Mircea Ariel Schoenfeld and H-J Heinze and J Hopf},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={105 25},
Visual awareness has been proposed to depend on recurrent processing in early visual cortex areas including the primary visual cortex (V1). Here, we address this hypothesis with high spatiotemporal resolution magnetoencephalographic recordings in subjects performing a substitution masking paradigm. Neural activity reflecting awareness is assessed by directly comparing the neuromagnetic response elicited by effectively and ineffectively masked targets after the proportion of trials leading to… CONTINUE READING

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