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Context modulation of facial emotion perception differed by individual difference.

ABSTRACT: BACKGROUND: Certain facial configurations are believed to be associated with distinct affective meanings (i.e. basic facial expressions), and such associations are common across cultures (i.e. universality of facial expressions). However, recently, many studies suggest that various types of contextual information, rather than facial configuration itself, are important factor for facial emotion perception. METHODOLOGY/PRINCIPAL FINDINGS: To examine systematically how contextual information influences individuals' facial emotion perception, the present study estimated direct observers' perceptual thresholds for detecting negative facial expressions via a forced-choice psychophysical procedure using faces embedded in various emotional contexts. We additionally measured the individual differences in affective information-processing tendency (BIS/BAS) as a possible factor that may determine the extent to which contextual information on facial emotion perception is used. It was found that contextual information influenced observers' perceptual thresholds for facial emotion. Importantly, individuals' affective-information tendencies modulated the extent to which they incorporated context information into their facial emotion perceptions. CONCLUSIONS/SIGNIFICANCE: The findings of this study suggest that facial emotion perception not only depends on facial configuration, but the context in which the face appears as well. This contextual influence appeared differently with individual's characteristics of information processing. In summary, we conclude that individual character traits, as well as facial configuration and the context in which a face appears, need to be taken into consideration regarding facial emotional perception.

SUBMITTER: Lee TH

PROVIDER: S-EPMC3303876 | biostudies-literature | 2012

REPOSITORIES: biostudies-literature

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Context modulation of facial emotion perception differed by individual difference.

Lee Tae-Ho TH Choi June-Seek JS Cho Yang Seok YS

PloS one 20120314 3

<h4>Background</h4>Certain facial configurations are believed to be associated with distinct affective meanings (i.e. basic facial expressions), and such associations are common across cultures (i.e. universality of facial expressions). However, recently, many studies suggest that various types of contextual information, rather than facial configuration itself, are important factor for facial emotion perception.<h4>Methodology/principal findings</h4>To examine systematically how contextual infor ...[more]

PMID: 22431992

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Project description:Individuals with schizophrenia show deficits both in facial emotion recognition and context processing (Kohler, C.G., Walker, J.B., Martin, E.A., Healey, K.M., Moberg, P.J., 2010. Facial emotion perception in schizophrenia: a meta-analytic review. Schizophr. Bull. 36, 1009-1019). Recent evidence suggests context information can affect facial emotion recognition (Aviezer, H., Bentin, S., Hassin, R.R., Meschino, W.S., Kennedy, J., Grewal, S., Esmail, S., Cohen, S., Moscovitch, M., 2009. Not on the face alone: perception of contextualized face expressions in Huntington's disease. Brain 132, 1633-1644). Thus, individuals with schizophrenia may have deficits in facial emotion processing, at least in part, due to impairments in processing context information (Green, M.J., Waldron, J.H., Coltheart, M., 2007. Emotional context processing is impaired in schizophrenia. Cogn. Neuropsychiatry 12, 259-280.). We used a novel experimental task, the Emotion Context Processing Task (ECPT) to examine the influences of emotional context (IAPS pictures) on the processing of subtle surprised faces in schizophrenia. One of the task conditions included a manipulation designed to determine whether enhancing attention to the context (by requiring a categorization judgment on the context pictures) would facilitate the influence of context on facial emotion processing in schizophrenia. In addition, we tested whether deficits on a non-social context processing would predict deficits in the influence of context on facial emotion processing in schizophrenia. We administered the Dot Probe Expectancy Task (a non-social context processing task) and the ECPT to individuals with schizophrenia (n=35) and healthy controls (n=32). Individuals with schizophrenia showed an intact influence of context information on facial emotion recognition. The manipulation designed to enhance attention to emotional context reduced the effect of context for both groups. In schizophrenia, better processing of non-social context was associated with a stronger influence of context on valence ratings of facial expressions in the negative context condition. These results suggest in schizophrenia, similar mechanisms may influence the processing of context for both social and non-social information.

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Context modulation of facial emotion perception differed by individual difference.

Publications

Context modulation of facial emotion perception differed by individual difference.

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