Stimulus-salience and the time-course of saccade trajectory deviations

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Stimulus-salience and the time-course of saccade trajectory deviations. / Van Zoest, Wieske; Donk, Mieke; Van der Stigchel, Stefan.

In: Journal of Vision, Vol. 12, No. 8, 13.09.2012, p. 1-13.

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Van Zoest, Wieske ; Donk, Mieke ; Van der Stigchel, Stefan. / Stimulus-salience and the time-course of saccade trajectory deviations. In: Journal of Vision. 2012 ; Vol. 12, No. 8. pp. 1-13.

Bibtex

@article{49f9ac168020432b88ad47ebf8306071,
title = "Stimulus-salience and the time-course of saccade trajectory deviations",
abstract = "The deviation of a saccade trajectory is a measure of the oculomotor competition evoked by a distractor. The aim of the present study was to investigate the impact of stimulus-salience on the time-course of saccade trajectory deviations to get a better insight into how stimulus-salience influences oculomotor competition over time. Two experiments were performed in which participants were required to make a vertical saccade to a target presented in an array of nontarget line elements and one additional distractor. The distractor varied in salience, where salience was defined by an orientation contrast relative to the surrounding nontargets. In Experiment 2, target-distractor similarity was additionally manipulated. In both Experiments 1 and 2, the results revealed that the eyes deviated towards the irrelevant distractor and did so more when the distractor was salient compared to when it was not salient. Critically, salience influenced performance only when people were fast to elicit an eye movement and had no effect when saccade latencies were long. Target-distractor similarity did not influence this pattern. These results show that the impact of salience in the visual system is transient.",
keywords = "Distractors, Eye movement, Saccade deviation, Stimulus-salience, Time-course",
author = "{Van Zoest}, Wieske and Mieke Donk and {Van der Stigchel}, Stefan",
year = "2012",
month = sep,
day = "13",
doi = "10.1167/12.8.16",
language = "English",
volume = "12",
pages = "1--13",
journal = "Journal of Vision",
issn = "1534-7362",
publisher = "Association for Research in Vision and Ophthalmology",
number = "8",

}

RIS

TY - JOUR

T1 - Stimulus-salience and the time-course of saccade trajectory deviations

AU - Van Zoest, Wieske

AU - Donk, Mieke

AU - Van der Stigchel, Stefan

PY - 2012/9/13

Y1 - 2012/9/13

N2 - The deviation of a saccade trajectory is a measure of the oculomotor competition evoked by a distractor. The aim of the present study was to investigate the impact of stimulus-salience on the time-course of saccade trajectory deviations to get a better insight into how stimulus-salience influences oculomotor competition over time. Two experiments were performed in which participants were required to make a vertical saccade to a target presented in an array of nontarget line elements and one additional distractor. The distractor varied in salience, where salience was defined by an orientation contrast relative to the surrounding nontargets. In Experiment 2, target-distractor similarity was additionally manipulated. In both Experiments 1 and 2, the results revealed that the eyes deviated towards the irrelevant distractor and did so more when the distractor was salient compared to when it was not salient. Critically, salience influenced performance only when people were fast to elicit an eye movement and had no effect when saccade latencies were long. Target-distractor similarity did not influence this pattern. These results show that the impact of salience in the visual system is transient.

AB - The deviation of a saccade trajectory is a measure of the oculomotor competition evoked by a distractor. The aim of the present study was to investigate the impact of stimulus-salience on the time-course of saccade trajectory deviations to get a better insight into how stimulus-salience influences oculomotor competition over time. Two experiments were performed in which participants were required to make a vertical saccade to a target presented in an array of nontarget line elements and one additional distractor. The distractor varied in salience, where salience was defined by an orientation contrast relative to the surrounding nontargets. In Experiment 2, target-distractor similarity was additionally manipulated. In both Experiments 1 and 2, the results revealed that the eyes deviated towards the irrelevant distractor and did so more when the distractor was salient compared to when it was not salient. Critically, salience influenced performance only when people were fast to elicit an eye movement and had no effect when saccade latencies were long. Target-distractor similarity did not influence this pattern. These results show that the impact of salience in the visual system is transient.

KW - Distractors

KW - Eye movement

KW - Saccade deviation

KW - Stimulus-salience

KW - Time-course

UR - http://www.scopus.com/inward/record.url?scp=84866004236&partnerID=8YFLogxK

U2 - 10.1167/12.8.16

DO - 10.1167/12.8.16

M3 - Article

C2 - 22923727

AN - SCOPUS:84866004236

VL - 12

SP - 1

EP - 13

JO - Journal of Vision

JF - Journal of Vision

SN - 1534-7362

IS - 8

ER -