期刊
VISION RESEARCH
卷 57, 期 -, 页码 35-50出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.visres.2012.01.001
关键词
Reading; Anti-saccade; Response time; Fixation duration; Modeling
In the saccadic literature, the voluntary control of eye movement involves inhibiting automatic saccadic plans. In contrast, the dominant view in reading is that linguistic processes trigger saccade planning. The present study explores the possibility of a common control mechanism, in which cognitively driven responses compete to inhibit automatic, perceptually driven saccade plans. A probabilistic model is developed to account for empirical distributions of saccadic response time in anti-saccade tasks (Studies 1 and 2) and fixation duration in reading and reading-like tasks (Studies 3 and 4). In all cases the distributions can be decomposed into a perceptually based component and a component sensitive to cognitive demands. Parametric similarities among the models strongly suggest a shared cognitive control mechanism between reading and other voluntary saccadic tasks. (C) 2012 Published by Elsevier Ltd.
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