Human visual responses in the absence of the geniculo-calcarine projection.

  title={Human visual responses in the absence of the geniculo-calcarine projection.},
  author={J. Barbur and K. Ruddock and V. A. Waterfield},
  journal={Brain : a journal of neurology},
  volume={103 4},
This paper describes an investigation of responses elicited by flashed and moving light stimuli presented to the 'blind'half-field of a hemianopic subject. The detection mechanism is significantly less sensitive than that for vision in the normal half-field, but the increment threshold varies with the background illumination level in a manner similar to that for normal vision. The responses of the 'blind' hemifield are characterized by low critical fusion frequency (less than or equal to 8 Hz… Expand
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