PSYCH OpenIR  > 脑与认知科学国家重点实验室
Processing of Individual Items during Ensemble Coding of Facial Expressions
Li, Huiyun1,2; Ji, Luyan3; Tong, Ke4; Ren, Naixin1,2; Chen, Wenfeng1; Liu, Chang Hong5; Fu, Xiaolan1
2016-09-07
Source PublicationFRONTIERS IN PSYCHOLOGY
Correspondent Emailchenwf@psych.ac.cn
ISSN1664-1078
SubtypeArticle
Volume7Issue:0Pages:1-11
AbstractThere is growing evidence that human observers are able to extract the mean emotion or other type of information from a set of faces. The most intriguing aspect of this phenomenon is that observers often fail to identify or form a representation for individual faces in a face set. However, most of these results were based on judgments under limited processing resource. We examined a wider range of exposure time and observed how the relationship between the extraction of a mean and representation of individual facial expressions would change. The results showed that with an exposure time of 50 ms for the faces, observers were more sensitive to mean representation over individual representation, replicating the typical findings in the literature. With longer exposure time, however, observers were able to extract both individual and mean representation more accurately. Furthermore, diffusion model analysis revealed that the mean representation is also more prone to suffer from the noise accumulated in redundant processing time and leads to a more conservative decision bias, whereas individual representations seem more resistant to this noise. Results suggest that the encoding of emotional information from multiple faces may take two forms: single face processing and crowd face processing.
KeywordFacial Expression Emotion Individual Representation Ensemble Representation Processing Resource Diffusion Model
DOI10.3389/fpsyg.2016.01332
Indexed BySSCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(31371031)
WOS Research AreaPsychology
WOS SubjectPsychology, Multidisciplinary
WOS IDWOS:000382719600001
WOS HeadingsSocial Sciences
WOS KeywordVISUAL WORKING-MEMORY ; STATISTICAL PROPERTIES ; REPRESENTATION ; ATTENTION ; FACES ; SETS ; INFORMATION ; PERCEPTION ; MULTIPLE ; SIZE
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Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/20539
Collection脑与认知科学国家重点实验室
Corresponding AuthorChen, Wenfeng
Affiliation1.Chinese Acad Sci, Inst Psychol, State Key Lab Brain & Cognit Sci, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Univ Ghent, Dept Expt Clin & Hlth Psychol, Ghent, Belgium
4.Univ S Florida, Dept Psychol, Tampa, FL USA
5.Bournemouth Univ, Dept Psychol, Poole, Dorset, England
Recommended Citation
GB/T 7714
Li, Huiyun,Ji, Luyan,Tong, Ke,et al. Processing of Individual Items during Ensemble Coding of Facial Expressions[J]. FRONTIERS IN PSYCHOLOGY,2016,7(0):1-11.
APA Li, Huiyun.,Ji, Luyan.,Tong, Ke.,Ren, Naixin.,Chen, Wenfeng.,...&Fu, Xiaolan.(2016).Processing of Individual Items during Ensemble Coding of Facial Expressions.FRONTIERS IN PSYCHOLOGY,7(0),1-11.
MLA Li, Huiyun,et al."Processing of Individual Items during Ensemble Coding of Facial Expressions".FRONTIERS IN PSYCHOLOGY 7.0(2016):1-11.
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