{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,11]],"date-time":"2026-04-11T21:25:44Z","timestamp":1775942744810,"version":"3.50.1"},"reference-count":66,"publisher":"MIT Press - Journals","issue":"10","content-domain":{"domain":["direct.mit.edu"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2013,10,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>The mechanisms that underlie the integration of visual and goal-related signals for the production of saccades remain poorly understood. Here, we examined how spatial proximity of competing stimuli shapes goal-directed responses in the superior colliculus (SC), a midbrain structure closely associated with the control of visual attention and eye movements. Monkeys were trained to perform an oculomotor-capture task [Theeuwes, J., Kramer, A. F., Hahn, S., Irwin, D. E., &amp; Zelinsky, G. J. Influence of attentional capture on oculomotor control. Journal of Experimental Psychology. Human Perception and Performance, 25, 1595\u20131608, 1999], in which a target singleton was revealed via an isoluminant color change in all but one item. On a portion of the trials, an additional salient item abruptly appeared near or far from the target. We quantified how spatial proximity between the abrupt-onset and the target shaped the goal-directed response. We found that the appearance of an abrupt-onset near the target induced a transient decrease in goal-directed discharge of SC visuomotor neurons. Although this was indicative of spatial competition, it was immediately followed by a rebound in presaccadic activation, which facilitated the saccadic response (i.e., it induced shorter saccadic RT). A similar suppression also occurred at most nontarget locations even in the absence of the abrupt-onset. This is indicative of a mechanism that enabled monkeys to quickly discount stimuli that shared the common nontarget feature. These results reveal a pattern of excitation\/inhibition across the SC visuomotor map that acted to facilitate optimal behavior\u2014the short duration suppression minimized the probability of capture by salient distractors, whereas a subsequent boost in accumulation rate ensured a fast goal-directed response. Such nonlinear dynamics should be incorporated into future biologically plausible models of saccade behavior.<\/jats:p>","DOI":"10.1162\/jocn_a_00429","type":"journal-article","created":{"date-parts":[[2013,5,22]],"date-time":"2013-05-22T12:02:30Z","timestamp":1369224150000},"page":"1754-1765","update-policy":"https:\/\/doi.org\/10.1162\/mitpressjournals.corrections.policy","source":"Crossref","is-referenced-by-count":16,"title":["Competitive Integration of Visual and Goal-related Signals on Neuronal Accumulation Rate: A Correlate of Oculomotor Capture in the Superior Colliculus"],"prefix":"10.1162","volume":"25","author":[{"given":"Brian J.","family":"White","sequence":"first","affiliation":[{"name":"1Queen's University, Kingston, Ontario, Canada"}]},{"given":"Robert A.","family":"Marino","sequence":"additional","affiliation":[{"name":"1Queen's University, Kingston, Ontario, Canada"}]},{"given":"Susan E.","family":"Boehnke","sequence":"additional","affiliation":[{"name":"1Queen's University, Kingston, Ontario, Canada"}]},{"given":"Laurent","family":"Itti","sequence":"additional","affiliation":[{"name":"2University of Southern California, Los Angeles"}]},{"given":"Jan","family":"Theeuwes","sequence":"additional","affiliation":[{"name":"3Vrije Universiteit, Amsterdam, The Netherlands"}]},{"given":"Douglas P.","family":"Munoz","sequence":"additional","affiliation":[{"name":"1Queen's University, Kingston, Ontario, Canada"}]}],"member":"281","published-online":{"date-parts":[[2013,10,1]]},"reference":[{"key":"2021072913334731900_R1","doi-asserted-by":"crossref","first-page":"437","DOI":"10.1016\/j.tics.2012.06.010","article-title":"Top\u2013down versus bottom\u2013up attentional control: A failed theoretical dichotomy.","volume":"16","author":"Awh","year":"2012","journal-title":"Trends in Cognitive Science"},{"key":"2021072913334731900_R2","doi-asserted-by":"crossref","first-page":"66","DOI":"10.1038\/37975","article-title":"Modulation of neuronal activity by target 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