The chromatic selectivity of visual crowding

Graeme J. Kennedy, David Whitaker

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)


Precortical vision is mediated by three opponent mechanisms that combine receptoral outputs to form a luminance channel (L + M) and two chromatic channels, red–green (L/M) and blue–yellow (S/L + M). Here we ask the extent to which these basic color opponent mechanisms interact in the phenomenon of crowding, where nearby targets interfere with the processing of a central test target. The task was to identify the orientation of a Gabor patch while an annular plaid surrounded the patch.

Original languageEnglish
Article number15
JournalJournal of Vision
Issue number6
Publication statusPublished - Jun 2010


  • spatial vision
  • color vision
  • vision sciences


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