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首页> 外文期刊>Journal of Autism and Developmental Disorders >Brief Report: Eye Movements During Visual Search Tasks Indicate Enhanced Stimulus Discriminability in Subjects with PDD
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Brief Report: Eye Movements During Visual Search Tasks Indicate Enhanced Stimulus Discriminability in Subjects with PDD

机译：简要报告：视觉搜索任务期间的眼球运动表明PDD受试者的刺激识别能力增强

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摘要

Subjects with PDD excel on certain visuo-spatial tasks, amongst which visual search tasks, and this has been attributed to enhanced perceptual discrimination. However, an alternative explanation is that subjects with PDD show a different, more effective search strategy. The present study aimed to test both hypotheses, by measuring eye movements during visual search tasks in high functioning adult men with PDD and a control group. Subjects with PDD were significantly faster than controls in these tasks, replicating earlier findings in children. Eye movement data showed that subjects with PDD made fewer eye movements than controls. No evidence was found for a different search strategy between the groups. The data indicate an enhanced ability to discriminate between stimulus elements in PDD.
机译：患有PDD的受试者在某些视觉空间任务上表现出色，其中包括视觉搜索任务，这归因于增强的感知辨别力。但是，另一种解释是，患有PDD的受试者表现出不同的，更有效的搜索策略。本研究旨在通过测量功能强大的PDD成年男性和对照组的视觉搜索任务期间的眼睛运动来检验这两种假设。在这些任务中，PDD患者的速度明显快于对照者，从而复制了儿童的早期发现。眼动数据显示，PDD患者的眼动次数少于对照组。没有证据表明两组之间有不同的搜索策略。数据表明在PDD中区分刺激因素的能力增强。

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