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首页> 外文期刊>Neuropsychologia >Impaired recognition of facial emotions from low-spatial frequencies in Asperger syndrome.
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Impaired recognition of facial emotions from low-spatial frequencies in Asperger syndrome.

机译：低空间频率的阿斯伯格综合症对面部情绪的识别能力受损。

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The theory of 'weak central coherence' [Happe, F., & Frith, U. (2006). The weak coherence account: Detail-focused cognitive style in autism spectrum disorders. Journal of Autism and Developmental Disorders, 36(1), 5-25] implies that persons with autism spectrum disorders (ASDs) have a perceptual bias for local but not for global stimulus features. The recognition of emotional facial expressions representing various different levels of detail has not been studied previously in ASDs. We analyzed the recognition of four basic emotional facial expressions (anger, disgust, fear and happiness) from low-spatial frequencies (overall global shapes without local features) in adults with an ASD. A group of 20 participants with Asperger syndrome (AS) was compared to a group of non-autistic age- and sex-matched controls. Emotion recognition was tested from static and dynamic facial expressions whose spatial frequency contents had been manipulated by low-pass filtering at two levels. The two groups recognized emotions similarly from non-filtered faces and from dynamic vs. static facial expressions. In contrast, the participants with AS were less accurate than controls in recognizing facial emotions from very low-spatial frequencies. The results suggest intact recognition of basic facial emotions and dynamic facial information, but impaired visual processing of global features in ASDs.
机译：“弱中心相干性”理论[Happe，F.，＆Frith，U.（2006）。弱一致性说明：自闭症谱系障碍中注重细节的认知风格。 Journal of Autism and Developmental Disorders，36（1），5-25]暗示自闭症谱系障碍（ASD）的人对局部而非整体刺激特征有感知偏见。先前尚未在ASD中研究过代表各种不同级别细节的情感面部表情的识别。我们分析了患有自闭症成人的低空间频率（没有局部特征的整体整体形状）的四种基本情感面部表情（愤怒，厌恶，恐惧和幸福）的识别。将一组20名患有阿斯伯格综合症（AS）的参与者与一组非自闭年龄和性别匹配的对照进行比较。从静态和动态面部表情测试了情感识别，这些表情的空间频率内容已通过两个级别的低通滤波进行了处理。两组相似地从未过滤的面部以及动态与静态面部表情中识别出情绪。相比之下，AS参与者从非常低的空间频率识别面部表情的准确性不如对照组。结果表明基本面部表情和动态面部信息的完整识别，但损害了ASD全局特征的视觉处理。

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