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Top-down contributions to attention shifting and disengagement: a template model of visual attention

Yamaguchi, Motonori, Valji, Ashvanti and Wolohan, Felicity 2018. Top-down contributions to attention shifting and disengagement: a template model of visual attention. Journal of Experimental Psychology: General 147 (6) , pp. 859-887. 10.1037/xge0000393

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Two separate systems are involved in the control of spatial attention; one that is driven by a goal, and the other that is driven by stimuli. While the goal- and stimulus-driven systems follow different general principles, they also interplay with each other. However, the mechanism by which the goal-driven system influences the stimulus-driven system is still debated. The present study examined top-down contributions to two components of attention orienting, shifting and disengagement, with an experimental paradigm in which participants held a visual item in short-term memory (STM) and performed a prosaccade task with a manipulation of the gap between fixation offset and target onset. Four experiments showed that the STM content accelerated shifting and impaired disengagement, but the influence on disengagement depended on the utility of STM in guiding attention toward the target. Thus, the use of STM was strategic. Computational models of visual attention were fitted to the experimental data, which suggested that the top-down contributions to shifting was more prominent than those to disengagement. The results indicate that the current modeling framework was particularly useful when examining the contributions of theoretical constructs for the control of visual attention, but it also suggests limitations. (PsycINFO Database Record (c) 2018 APA, all rights reserved)

Item Type: Article
Date Type: Publication
Status: Published
Schools: Cardiff University Brain Research Imaging Centre (CUBRIC)
Publisher: American Psychological Association
ISSN: 0096-3445
Date of First Compliant Deposit: 9 January 2018
Date of Acceptance: 4 November 2017
Last Modified: 28 Jun 2019 16:09

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