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Capture of the eyes by relevant and irrelevant onsets

(2008) EXPERIMENTAL BRAIN RESEARCH. 186(2). p.225-235
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Abstract
During early visual processing the eyes can be captured by salient visual information in the environment. Whether a salient stimulus captures the eyes in a purely automatic, bottom-up fashion or whether capture is contingent on task demands is still under debate. In the first experiment, we manipulated the relevance of a salient onset distractor. The onset distractor could either be similar or dissimilar to the target. Error saccade latency distributions showed that early in time, oculomotor capture was driven purely bottom-up irrespective of distractor similarity. Later in time, top-down information became available resulting in contingent capture. In the second experiment, we manipulated the saliency information at the target location. A salient onset stimulus could be presented either at the target or at a non-target location. The latency distributions of error and correct saccades had a similar time-course as those observed in the first experiment. Initially, the distributions overlapped but later in time task-relevant information decelerated the oculomotor system. The present findings reveal the interaction between bottom-up and top-down processes in oculomotor behavior. We conclude that the task relevance of a salient event is not crucial for capture of the eyes to occur. Moreover, task-relevant information may integrate with saliency information to initiate saccades, but only later in time.
Keywords
COMPETITIVE INTEGRATION, OCULOMOTOR CAPTURE, COLOR, SEARCH, SACCADE TARGET SELECTION, ATTENTIONAL CAPTURE, attention, capture, eye-movement, STIMULUS-DRIVEN, SUPERIOR COLLICULUS, ABRUPT VISUAL ONSETS, GOAL-DRIVEN CONTROL, time-course

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Chicago
Mulckhuyse, Manon, Wieske van Zoest, and Jan Theeuwes. 2008. “Capture of the Eyes by Relevant and Irrelevant Onsets.” Experimental Brain Research 186 (2): 225–235.
APA
Mulckhuyse, M., van Zoest, W., & Theeuwes, J. (2008). Capture of the eyes by relevant and irrelevant onsets. EXPERIMENTAL BRAIN RESEARCH, 186(2), 225–235.
Vancouver
1.
Mulckhuyse M, van Zoest W, Theeuwes J. Capture of the eyes by relevant and irrelevant onsets. EXPERIMENTAL BRAIN RESEARCH. 2008;186(2):225–35.
MLA
Mulckhuyse, Manon, Wieske van Zoest, and Jan Theeuwes. “Capture of the Eyes by Relevant and Irrelevant Onsets.” EXPERIMENTAL BRAIN RESEARCH 186.2 (2008): 225–235. Print.
@article{1063265,
  abstract     = {During early visual processing the eyes can be captured by salient visual information in the environment. Whether a salient stimulus captures the eyes in a purely automatic, bottom-up fashion or whether capture is contingent on task demands is still under debate. In the first experiment, we manipulated the relevance of a salient onset distractor. The onset distractor could either be similar or dissimilar to the target. Error saccade latency distributions showed that early in time, oculomotor capture was driven purely bottom-up irrespective of distractor similarity. Later in time, top-down information became available resulting in contingent capture. In the second experiment, we manipulated the saliency information at the target location. A salient onset stimulus could be presented either at the target or at a non-target location. The latency distributions of error and correct saccades had a similar time-course as those observed in the first experiment. Initially, the distributions overlapped but later in time task-relevant information decelerated the oculomotor system. The present findings reveal the interaction between bottom-up and top-down processes in oculomotor behavior. We conclude that the task relevance of a salient event is not crucial for capture of the eyes to occur. Moreover, task-relevant information may integrate with saliency information to initiate saccades, but only later in time.},
  author       = {Mulckhuyse, Manon and van Zoest, Wieske and Theeuwes, Jan},
  issn         = {0014-4819},
  journal      = {EXPERIMENTAL BRAIN RESEARCH},
  keyword      = {COMPETITIVE INTEGRATION,OCULOMOTOR CAPTURE,COLOR,SEARCH,SACCADE TARGET SELECTION,ATTENTIONAL CAPTURE,attention,capture,eye-movement,STIMULUS-DRIVEN,SUPERIOR COLLICULUS,ABRUPT VISUAL ONSETS,GOAL-DRIVEN CONTROL,time-course},
  language     = {eng},
  number       = {2},
  pages        = {225--235},
  title        = {Capture of the eyes by relevant and irrelevant onsets},
  url          = {http://dx.doi.org/10.1007/s00221-007-1226-3},
  volume       = {186},
  year         = {2008},
}

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