Linearity of summation of synaptic potentials underlying direction selectivity in simple cells of the cat visual cortex

Bharathi Jagadeesh, Heidi S. Wheat, David Ferster*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

160 Scopus citations

Abstract

Intracellular recordings from simple cells of the cat visual cortex were used to test linear models for the generation of selectivity for the direction of visual motion. Direction selectivity has been thought to arise in part from nonlinear processes, as suggested by previous experiments that were based on extracellular recordings of action potentials. In intracellular recordings, however, the fluctuations in membrane potential evoked by moving stimuli were accurately predicted by the linear summation of responses to stationary stimuli. Nonlinear mechanisms were not required.

Original languageEnglish (US)
Pages (from-to)1901-1904
Number of pages4
JournalScience
Volume262
Issue number5141
DOIs
StatePublished - 1993

ASJC Scopus subject areas

  • General

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