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Independent systems of orientation columns in upper and lower layers of monkey visual cortex

Authors
Journal
Neuroscience Letters
0304-3940
Publisher
Elsevier
Publication Date
Volume
31
Issue
3
Identifiers
DOI: 10.1016/0304-3940(82)90024-6
Keywords
  • Cortex
  • Monkey
  • Vision
  • Column
  • Orientation

Abstract

Abstract Using a multi-microelectrode, in 5 animals, orientation tuning was measured simultaneously in 30 closely spaced parallel penetrations perpendicular to the surface of the striate cortex. Actual penetration angles were determined by three-dimensional track reconstruction. Above and below layer IVc, two columnar systems were found whose orientation angles were independent.

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