Face recognition in Asperger syndrome: A study on EEG spectral power changes

被引:20
作者
Yang, Han Hsuan [2 ]
Savostyanov, Alexander N. [1 ,3 ]
Tsai, Arthur C. [1 ]
Liou, Michelle [1 ]
机构
[1] Acad Sinica, Inst Stat Sci, Taipei 11529, Taiwan
[2] Fo Guang Univ, Jiaoxi, Taiwan
[3] Russian Acad Med Sci, Res Inst Physiol, Siberian Branch, Novosibirsk, Russia
关键词
Asperger syndrome; Emotional face recognition; EEG; OSCILLATORY RESPONSES; ALPHA; DESYNCHRONIZATION; SYNCHRONIZATION; EMOTION;
D O I
10.1016/j.neulet.2011.01.061
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
EEG reactions in emotional face recognition were studied in five participants with Asperger syndrome (AS) and seven control subjects. Control subjects showed a spectral power increase following the stimulus onset in two time-frequency intervals (1) 150-300 ms in the 1-16 Hz frequency range and (2) 300-650 ms in the 1-8 Hz range. Also, alpha/beta desynchronization occurred 400-1000 ms after the stimulus onset with maximal amplitude in the posterior region. Theta synchronization (4-8 Hz) was weaker in the AS group than in the control group, but beta2 desynchronization was stronger in the AS group. The results were interpreted in terms of automatic and voluntary control of perception. (C) 2011 Elsevier Ireland Ltd. All rights reserved.
引用
收藏
页码:84 / 88
页数:5
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