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The remote distractor effect in saccade programming: channel interactions and lateral inhibition

Ludwig, C.J.H., Gilchrist, I.D. and McSorley, E. (2005) The remote distractor effect in saccade programming: channel interactions and lateral inhibition. Vision Research, 45 (9). pp. 1177-1190. ISSN 0042-6989

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To link to this article DOI: 10.1016/j.visres.2004.10.019

Abstract/Summary

We explored the dependency of the saccadic remote distractor effect (RDE) on the spatial frequency content of target and distractor Gabor patches. A robust RDE was obtained with low-medium spatial frequency distractors, regardless of the spatial frequency of the tat-get. High spatial frequency distractors interfered to a similar extent when the target was of the same spatial frequency. We developed a quantitative model based on lateral inhibition within an oculomotor decision unit. This lateral inhibition mechanism cannot account for the interaction observed between target and distractor spatial frequency, pointing to the existence of channel interactions at an earlier level. (C) 2004 Elsevier Ltd. All rights reserved.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Psychology and Clinical Language Sciences
ID Code:13958
Uncontrolled Keywords:saccade, contrast, spatial frequency, distractor interference, inhibition, channel, accumulator model, MONKEY SUPERIOR COLLICULUS, EXTENDED FIXATION ZONE, SIMPLE, REACTION-TIME, HUMAN-VISION, SPATIAL-FREQUENCY, TARGET SELECTION, EYE-MOVEMENTS, VISUAL-SEARCH, COMPETITIVE INTEGRATION, CONTRAST, CONSTANCY

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