Linear and nonlinear systems analysis of the visual system: Why does it seem so linear?. A review dedicated to the memory of Henk Spekreijse

Research output: Contribution to journalArticle

Abstract

Linear and nonlinear systems analysis are tools that can be used to study communication systems like the visual system. The first step of systems analysis often is to test whether or not the system is linear. Retinal pathways are surprisingly linear, and some neurons in the visual cortex also emulate linear sensory transducers. We conclude that the retinal linearity depends on specialized ribbon synapses while cortical linearity is the result of balanced excitatory and inhibitory synaptic interactions.

Original languageEnglish (US)
Pages (from-to)907-921
Number of pages15
JournalVision research
Volume49
Issue number9
DOIs
StatePublished - May 11 2009

Keywords

  • Contrast
  • Linearity
  • Retina
  • System analysis
  • Visual cortex
  • Visual pathway

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems

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