The site of interference in the saccadic Stroop effect

Hermens, Frouke and Walker, Robin (2012) The site of interference in the saccadic Stroop effect. Vision Research, 73 . pp. 10-22. ISSN 0042-6989

Full content URL: http://dx.doi.org/10.1016/j.visres.2012.09.017

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Item Type:Article
Item Status:Live Archive

Abstract

In two experiments, the source of competition in the saccadic Stroop effect was investigated. Colored strings of letters were presented at fixation with colored patches in the surround. The task of the participants was to make an eye movement to the patch in the same color as the central string of letters. Three types of cues were compared: Either the string of letters composed a word indicating a direction (the saccadic Stroop condition), or it was a set of arrow signs, or a peripheral stimulus appeared. Whereas response times and saccade errors were similarly influenced by the different types of cues, saccade trajectory deviations away from the cue were found only for peripheral onsets. A second experiment demonstrated that the absence of the curvature effects for direction words was not due to insufficient time to process the words. The results raise doubts on whether the saccadic Stroop effect is effectively an oculomotor effect and could pose a challenge to models of saccade target selection.

Keywords:eye movements
Subjects:C Biological Sciences > C830 Experimental Psychology
Divisions:College of Social Science > School of Psychology
ID Code:16373
Deposited On:08 Jan 2015 13:58

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