Nonlinear analysis of cat retinal ganglion cells in the frequency domain

J. D. Victor, R. M. Shapley, B. W. Knight

Research output: Contribution to journalArticle

Abstract

We have analyzed the responses of cat retinal ganglion cells to luminosity gratings that are modulated in time by a sum of sinusoids. A judicious choice of the component temporal frequencies permits a separation of the linear and second order nonlinear components. Y cell responses show harmonic generation and intermodulation distortion over a wide frequency range. These nonlinear components predominate over the linear components for certain types of spatial stimuli. Nonlinear components in X cells are greatly diminished in comparison. The character of the nonlinear responses provides strong constraints on prospective models for the nonlinear pathway of the Y cell.

Original languageEnglish (US)
Pages (from-to)3068-3072
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Volume74
Issue number7
DOIs
StatePublished - 1977

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