Williams D E, Reingold E M, Moscovitch M, Behrmann M
University of Toronto.
Can J Exp Psychol. 1997 Jun;51(2):151-64. doi: 10.1037/1196-1961.51.2.151.
Eye movements were monitored while subjects performed parallel and serial search tasks. In Experiment 1a, subjects searched for an "O" among "X"s (parallel condition) and for a "T" among "L"s (serial condition). In the parallel condition in Experiment 1b, "[symbol: see text]" was the target, and "O"s were distractors; in the serial condition these stimuli switched roles. Displays contained 1, 12, or 24 stimuli, with both target-present and target-absent trials. RT and eye-movement measures (number of fixations, saccadic error, and latency to move) indicated that search efficiency was greatest in the parallel conditions, followed by the serial condition of experiment 1a and, finally, by the serial condition of Experiment 1b. This suggests that eye movements are correlated with the attentional processes underlying visual search.
在受试者执行平行搜索任务和序列搜索任务时，对他们的眼动进行了监测。在实验1a中，受试者在“X”中搜索“O”（平行条件），并在“L”中搜索“T”（序列条件）。在实验1b的平行条件下，“[符号：见原文]”是目标，“O”是干扰项；在序列条件下，这些刺激物的角色发生了转换。显示包含1、12或24个刺激物，既有目标存在的试验，也有目标不存在的试验。反应时间和眼动测量指标（注视次数、扫视误差和移动潜伏期）表明，平行条件下的搜索效率最高，其次是实验1a的序列条件，最后是实验1b的序列条件。这表明眼动与视觉搜索背后的注意力过程相关。
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