The site of interference in the saccadic Stroop effect

Frouke Hermens, Robin Walker

Research output: Contribution to journalReview articlepeer-review

5 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)10-22
Number of pages13
JournalVision Research
Publication statusPublished - 15 Nov 2012
Externally publishedYes


  • Animals
  • Attention/physiology
  • Cues
  • Fixation, Ocular
  • Humans
  • Photic Stimulation
  • Psychomotor Performance/physiology
  • Reaction Time/physiology
  • Saccades/physiology
  • Stroop Test


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