年龄和注意力对自闭症谱系障碍儿童听觉整体-局部加工的影响。
Effects of Age and Attention on Auditory Global-Local Processing in Children with Autism Spectrum Disorder.
作者信息
Foster Nicholas E V, Ouimet Tia, Tryfon Ana, Doyle-Thomas Krissy, Anagnostou Evdokia, Hyde Krista L
机构信息
International Laboratory for Brain Music and Sound Research (BRAMS), Pavillon 1420 Mont-Royal, Department of Psychology, University of Montreal, C.P. 6128, Succ. Centre-Ville, Montreal, QC, H3C 3J7, Canada.
Faculty of Medicine, McIntyre Medical Building, McGill University, 3655 Sir William Osler, Montreal, QC, H3G 1Y6, Canada.
出版信息
J Autism Dev Disord. 2016 Apr;46(4):1415-28. doi: 10.1007/s10803-015-2684-2.
In vision, typically-developing (TD) individuals perceive "global" (whole) before "local" (detailed) features, whereas individuals with autism spectrum disorder (ASD) exhibit a local bias. However, auditory global-local distinctions are less clear in ASD, particularly in terms of age and attention effects. To these aims, here ASD and TD children judged local and global pitch structure in nine-tone melodies. Both groups showed a similar global precedence effect, but ASD children were less sensitive to global interference than TD children at younger ages. There was no effect of attention task. These findings provide novel evidence of developmental differences in auditory perception and may help to refine sensory phenotypes in ASD.
在视觉方面，典型发育（TD）个体在感知“局部”（细节）特征之前先感知“全局”（整体）特征，而患有自闭症谱系障碍（ASD）的个体则表现出局部偏向。然而，ASD患者在听觉上的全局-局部区分不太明显，尤其是在年龄和注意力影响方面。为了实现这些目标，在本研究中，ASD儿童和TD儿童对九音旋律中的局部和全局音高结构进行了判断。两组都表现出相似的全局优先效应，但在较年幼时，ASD儿童对全局干扰的敏感度低于TD儿童。注意力任务没有产生影响。这些发现为听觉感知的发育差异提供了新的证据，并可能有助于完善ASD的感觉表型。
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