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Capture of the eyes by relevant and irrelevant onsets

Manon Mulckhuyse (UGent) , Wieske van Zoest and Jan Theeuwes
(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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MLA
Mulckhuyse, Manon, et al. “Capture of the Eyes by Relevant and Irrelevant Onsets.” EXPERIMENTAL BRAIN RESEARCH, vol. 186, no. 2, 2008, pp. 225–35, doi:10.1007/s00221-007-1226-3.
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. https://doi.org/10.1007/s00221-007-1226-3
Chicago author-date
Mulckhuyse, Manon, Wieske van Zoest, and Jan Theeuwes. 2008. “Capture of the Eyes by Relevant and Irrelevant Onsets.” EXPERIMENTAL BRAIN RESEARCH 186 (2): 225–35. https://doi.org/10.1007/s00221-007-1226-3.
Chicago author-date (all authors)
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. doi:10.1007/s00221-007-1226-3.
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.
IEEE
[1]
M. Mulckhuyse, W. van Zoest, and J. Theeuwes, “Capture of the eyes by relevant and irrelevant onsets,” EXPERIMENTAL BRAIN RESEARCH, vol. 186, no. 2, pp. 225–235, 2008.
@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}},
  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}},
  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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