Programming of endogenous and exogenous saccades: Evidence for a competitive integration model

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Abstract

Participant's were required to make a saccade to a uniquely colored target while ignoring the presentation of an onset distractor. The results provide evidence for a competitive integration model of saccade programming that assumes endogenous and exogenous saccades are programmed in a common saccade map. The model incorporates a lateral interaction structure in which saccade-related activation at a specific location spreads to neighboring locations but inhibits distant locations. In addition, there is top-down, location-specific inhibition of locations to which the saccade should not go. The time course of exogenous and endogenous activation in the saccade map can explain a variety of eye movement data, including endpoints, latencies, and trajectories of saccades and the well-known global effect.
Original languageEnglish
Pages (from-to)1039
Number of pages15
JournalJournal of Experimental Psychology: Human Perception and Performance
Volume28
Issue number5
DOIs
Publication statusPublished - 2002

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