Normalization of cell responses in cat striate cortex

Research output: Contribution to journalArticlepeer-review


Simple cells in the striate cortex have been depicted as half-wave-rectified linear operators. Complex cells have been depicted as energy mechanisms, constructed from the squared sum of the outputs of quadrature pairs of linear operators. However, the linear/energy model falls short of a complete explanation of striate cell responses. In this paper, a modified version of the linear/energy model is presented in which striate cells mutually inhibit one another, effectively normalizing their responses with respect to stimulus contrast. This paper reviews experimental measurements of striate cell responses, and shows that the new model explains a significantly larger body of physiological data.

Original languageEnglish (US)
Pages (from-to)181-197
Number of pages17
JournalVisual neuroscience
Issue number2
StatePublished - Aug 1992


  • Adaptation
  • Complex cells
  • Divisive suppression
  • Energy mechanisms
  • Gain control
  • Linear operators
  • Nonspecific suppression
  • Normalization
  • Response saturation
  • Simple cells
  • Striate (primary visual) cortex

ASJC Scopus subject areas

  • Physiology
  • Sensory Systems


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