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Neural mechanism of facial expression perception in intellectually gifted adolescents
Liu, Tongran1; Xiao, Tong2; Li, Xiaoyan1; Shi, Jiannong1,3
2015-04-10
发表期刊NEUROSCIENCE LETTERS
ISSN0304-3940
文章类型Article
卷号592期号:0页码:22-26
摘要The current study investigated the relationship between general intelligence and the three stages of facial expression processing. Two groups of adolescents with different levels of general intelligence were required to identify three types of facial expressions (happy, sad, and neutral faces), which were presented with either inverted or upright orientation. Participants' response times and accuracy were measured and event-related potentials (ERPs) were recorded to evaluate neural dynamic processes. The behavioral results showed that high IQ adolescents exhibited shorter response times than average IQ adolescents during the facial expression identification task. The electrophysiological responses showed that no significant IQ-related differences were found for P1 responses during the early visual processing stage. During the middle processing stage, high IQ adolescents had faster structural encoding of inverted faces (shorter N170 latencies) compared to their average IQ peers, and they also showed better structural encoding of sad faces, with larger vertex positive potential (VPP) amplitudes than for neutral faces. During the late processing stage, adolescents with high IQ showed better attentional modulation, with larger late positive potential (LPP) amplitudes compared to adolescents with average IQ. The current study revealed that adolescents with different intellectual levels used different neural dynamic processes during these three stages in the processing of facial expressions. (C) 2015 Elsevier Ireland Ltd. All rights reserved.
关键词General intelligence Facial expression perception Event-related potentials Adolescents
收录类别SCI
语种英语
WOS记录号WOS:000352677900005
引用统计
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/13514
专题中国科学院行为科学重点实验室
作者单位1.Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing 100101, Peoples R China
2.Northeastern Univ, Coll Informat Sci & Engn, Nat Language Proc Lab, Shenyang 110819, Liaoning, Peoples R China
3.Aalborg Univ, Dept Learning & Philosophy, Aalborg, Denmark
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GB/T 7714
Liu, Tongran,Xiao, Tong,Li, Xiaoyan,et al. Neural mechanism of facial expression perception in intellectually gifted adolescents[J]. NEUROSCIENCE LETTERS,2015,592(0):22-26.
APA Liu, Tongran,Xiao, Tong,Li, Xiaoyan,&Shi, Jiannong.(2015).Neural mechanism of facial expression perception in intellectually gifted adolescents.NEUROSCIENCE LETTERS,592(0),22-26.
MLA Liu, Tongran,et al."Neural mechanism of facial expression perception in intellectually gifted adolescents".NEUROSCIENCE LETTERS 592.0(2015):22-26.
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