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题名:
Neural Temporal Dynamics of Facial Emotion Processing: Age Effects and Relationship to Cognitive Function
作者: Liao, Xiaoyan1,2; Wang, Kui3,4; Lin, Kai2; Chan, Raymond C. K.3,4; Zhang, Xiaoyuan1
文章类型: Article
关键词: aging ; cognitive function ; event-related potential ; N170 ; emotion
刊名: FRONTIERS IN PSYCHOLOGY
ISSN号: 1664-1078
出版日期: 2017-06-30
卷号: 8, 期号:0, 页码:1-10
收录类别: SSCI
项目资助者: National Natural Science Foundation of China(81400868) ; Science and Technology Planning Project of Guangdong Province, China(2014A020212201) ; National Social Science Foundation of China(14ZDB259) ; University and College Humanities and Social Sciences Project of Guangdong Province, China(2012GXM-0006) ; Beijing Training Project for the Leading Talents in S T(Z151100000315020) ; Key Laboratory of Mental Health, Institute of Psychology ; CAS/SAFEA International Partnership Program for Creative Research Teams(Y2CX131003)
英文摘要:

This study used event-related potentials (ERPs) to investigate the effects of age on neural temporal dynamics of processing task-relevant facial expressions and their relationship to cognitive functions. Negative (sad, afraid, angry, and disgusted), positive (happy), and neutral faces were presented to 30 older and 31 young participants who performed a facial emotion categorization task. Behavioral and ERP indices of facial emotion processing were analyzed. An enhanced N170 for negative faces, in addition to intact right-hemispheric N170 for positive faces, was observed in older adults relative to their younger counterparts. Moreover, older adults demonstrated an attenuated within group N170 laterality effect for neutral faces, while younger adults showed the opposite pattern. Furthermore, older adults exhibited sustained temporo-occipital negativity deflection over the time range of 200-500 ms post-stimulus, while young adults showed posterior positivity and subsequent emotion-specific frontal negativity deflections. In older adults, decreased accuracy for labeling negative faces was positively correlated with Montreal Cognitive Assessment Scores, and accuracy for labeling neutral faces was negatively correlated with age. These findings suggest that older people may exert more effort in structural encoding for negative faces and there are different response patterns for the categorization of different facial emotions. Cognitive functioning may be related to facial emotion categorization deficits observed in older adults. This may not be attributable to positivity effects: it may represent a selective deficit for the processing of negative facial expressions in older adults.

语种: 英语
WOS记录号: WOS:000404441900001
DOI标识: 10.3389/fpsyg.2017.01110
WOS标题词: Social Sciences
类目[WOS]: Psychology, Multidisciplinary
研究领域[WOS]: Psychology
关键词[WOS]: EVENT-RELATED POTENTIALS ; BRAIN POTENTIALS ; DEPRESSION SCALE ; TIME-COURSE ; FACES ; RECOGNITION ; EXPRESSIONS ; MEMORY ; ERP ; ATTENTION
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.psych.ac.cn/handle/311026/21594
Appears in Collections:中国科学院心理健康重点实验室_期刊论文

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作者单位: 1.Southern Med Univ, Sch Publ Hlth, Dept Psychol, Guangzhou, Guangdong, Peoples R China
2.Southern Med Univ, Nanfang Hosp, Guangzhou, Guangdong, Peoples R China
3.Chinese Acad Sci, Inst Psychol, Neuropsychol & Appl Cognit Neurosci Lab, Beijing, Peoples R China
4.Chinese Acad Sci, Inst Psychol, CAS Key Lab Mental Hlth, Beijing, Peoples R China

Recommended Citation:
Liao, Xiaoyan,Wang, Kui,Lin, Kai,et al. Neural Temporal Dynamics of Facial Emotion Processing: Age Effects and Relationship to Cognitive Function[J]. FRONTIERS IN PSYCHOLOGY,2017,8(0):1-10.
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