Orientation shift between upper and lower layers in monkey visual cortex

R. Bauer, B. M. Dow, A. Z. Snyder, R. Vautin

Research output: Contribution to journalArticlepeer-review

29 Scopus citations


Microelectrode penetrations nearly normal to the layers of foveal striate cortex in awake, behaving monkeys reveal a shift in orientation preference between cells in the upper and lower layers. Mean shift size for 57 penetrations is 54.8 °, with 70% of the penetrations showing shifts of 45-90 °. Marking lesions localize the shift to the border between layers 4C and 5. The data are suggestive of inhibition between the upper and lower layers within an "orientation column".

Original languageEnglish
Pages (from-to)133-145
Number of pages13
JournalExperimental Brain Research
Issue number1
StatePublished - Apr 1983


  • Column
  • Inhibition
  • Monkey
  • Orientation
  • Visual cortex


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