The nonlinear pathway of Y ganglion cells in the cat retina

Jonathan D. Victor, Robert M. Shapley

Research output: Contribution to journalArticlepeer-review


Retinal ganglion cells of the Y type in the cat retina produce two different types of response: linear and nonlinear. The nonlinear responses are generated by a separate and independent nonlinear pathway. The functional connectivity in this pathway is analyzed here by comparing the observed second-order frequency responses of Y cells with predictions of a "sandwich model" in which a static nonlinear stage is sandwiched between two linear filters. The model agrees well with the qualitative and quantitative features of the second-order responses. The prefilter in the model may well be the bipolar cells and the nonlinearity and postfilter in the model are probably associated with amacrine cells.

Original languageEnglish (US)
Pages (from-to)671-689
Number of pages19
JournalJournal of General Physiology
Issue number6
StatePublished - Dec 1 1979

ASJC Scopus subject areas

  • Physiology


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