The role of configural information in facial emotion recognition in schizophrenia.

Full Abstract

The schizophrenia deficit in facial emotion recognition could be accounted for by a deficit in processing the configural information of the face. The present experiment was designed to further test this hypothesis by studying the face-inversion effect in a facial emotion recognition task. The ability of 26 schizophrenic patients and 26 control participants to recognize facial emotions on upright and upside-down faces was assessed. Participants were told to state whether faces expressed one of six possible emotions (happiness, anger, disgust, fear, sadness, neutrality) in two sessions, one with upright faces and the other with upside-down faces. Discriminability and the decision criterion were computed. The results indicated that the schizophrenic patients were impaired in upright facial emotion discrimination by comparison with the controls. They also exhibited an inversion effect similar to the controls. However, whereas controls tended to adopt a more conservative criterion for all emotions and a liberal criterion for neutrality when the faces were upside-down, schizophrenic patients presented a decision criterion pattern that was similar for the two orientations and similar to controls in upside-down emotion recognition. The lack of a decision criterion shift was associated with positive symptoms such as delusions, hallucinations, and bizarre behavior. Moreover, positive and negative symptoms were associated with inversion effect on discriminability; the more severe the symptoms, the weaker the inversion effect. We conclude that individuals with schizophrenia do process the configural information of the face. However, further investigations are needed to assert whether this information is of good quality in schizophrenia.

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Author information

Author/s: Chambon, Valérian (V); Baudouin, Jean-Yves (JY); Franck, Nicolas (N);

Affiliation: Institut des Sciences Cognitives, UMR-CNRS 5015, 67, bd Pinel, 69 675 Bron Cedex, Lyon, France. valerian.chambon(-atsign-)isc.cnrs.fr

Journal and publication information

Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't

Journal: Neuropsychologia (Neuropsychologia), published in England. (Language: eng)

Reference: 2006-; vol 44 (issue 12) : pp 2437-44

Dates: Created 2006/07/24; Completed 2006/09/26; Revised 2006/11/15;

PMID: 16806310, status: MEDLINE (last retrieval date: 12/26/2008)

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Adult
Discrimination (Psychology) - physiology
Emotions - physiology
Facial Expression
Female
Humans
Male

Neuropsychological Tests
Pattern Recognition, Visual - physiology
Photic Stimulation - methods
Recognition (Psychology) - physiology
Schizophrenia - physiopathology
Schizophrenic Psychology
Statistics, Nonparametric

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