Detecting the displacement of periodic patterns

David R. Badcock, Andrew M. Derrington

Research output: Contribution to journalArticle

74 Citations (Scopus)

Abstract

Observers were asked to detect the direction of displacement of a 30 c/deg grating. They were virtually unable to perform this task when the component was presented alone but when either a 28 or a 32 c/deg component (neither of which moved) was added to the 30 c/deg component observers were extremely sensitive to displacements of the 30 c/deg component. These results suggest that the detection of displacements cannot take place within narrow-band spatial channels, but relies on a mechanism which compares the output of channels in different spatial positions.

Original languageEnglish
Pages (from-to)1253-1258
Number of pages6
JournalVision Research
Volume25
Issue number9
DOIs
Publication statusPublished - 1985
Externally publishedYes

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