Deficit in visual temporal integration in autism spectrum disorders.

Deficit in visual temporal integration in autism spectrum disorders.
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DOI:
10.1098/rspb.2009.1713
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发表时间:
2010-04-07
期刊:
Proceedings. Biological sciences
影响因子:
--
通讯作者:
Kitazawa S
Kitazawa S
中科院分区:
其他
文献类型:
--
作者:
Nakano T;Ota H;Kato N;Kitazawa S

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自闭症谱系障碍(ASD)患者在处理当地特征方面更具优势。Frith和Happe将这种认知偏差概念化为“弱中心连贯性”,暗示局部增强源于将局部元素整合成一个连贯整体的弱点。然而,这一建议的缺陷受到了挑战,因为ASD患者在整体感知方面并未发现逊于正常对照组。然而,在这些相反的研究中,受试者被鼓励忽略局部特征,而关注整体。因此,还没有人直接测试ASD患者是否能够随着时间的推移将局部元素整合到整个图像中。在这里,我们报告了ASD患者在命名一个狭窄狭缝后移动的熟悉物体方面的弱点,这一点因缺乏局部显著特征而恶化。结果表明,ASD患者在随着时间的推移将局部视觉信息整合成全球整体方面存在明显的缺陷,这为弱中心一致性假说提供了直接证据。
Individuals with autism spectrum disorders (ASD) are superior in processing local features. Frith and Happe conceptualize this cognitive bias as ‘weak central coherence’, implying that a local enhancement derives from a weakness in integrating local elements into a coherent whole. The suggested deficit has been challenged, however, because individuals with ASD were not found to be inferior to normal controls in holistic perception. In these opposing studies, however, subjects were encouraged to ignore local features and attend to the whole. Therefore, no one has directly tested whether individuals with ASD are able to integrate local elements over time into a whole image. Here, we report a weakness of individuals with ASD in naming familiar objects moved behind a narrow slit, which was worsened by the absence of local salient features. The results indicate that individuals with ASD have a clear deficit in integrating local visual information over time into a global whole, providing direct evidence for the weak central coherence hypothesis.
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影响因子: 7.6
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