The influence of environmental statistics on inhibition of saccadic return

SA Farrell, CJH Ludwig, LA Ellis, ID Gilchrist

Research output: Contribution to journalArticle (Academic Journal)peer-review

38 Citations (Scopus)

Abstract

Initiating an eye movement is slowed if the saccade is directed to a location that has been fixated in the recent past. We show that this inhibitory effect is modulated by the temporal statistics of the environment: If a return location is likely to become behaviorally relevant, inhibition of return is absent. By fitting an accumulator model of saccadic decision-making, we show that the inhibitory effect and the sensitivity to local statistics can be dissociated in their effects on the rate of accumulation of evidence, and the threshold controlling the amount of evidence needed to generate a saccade.
Translated title of the contributionThe influence of environmental statistics on inhibition of saccadic return
Original languageEnglish
Pages (from-to)929 - 934
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume107
Issue number2
Early online date22 Dec 2009
DOIs
Publication statusPublished - 12 Jan 2010

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