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| Titel: |
Facial emotion space in schizophrenia |
| Auteur: |
Vernet, Mathilde Baudouin, Jean-Yves Franck, Nicolas |
| Verschenen in: |
Cognitive neuropsychiatry |
| Paginering: | Jaargang 13 (2008) nr. 1 pagina's 59-73 |
| Jaar: |
2008-01-01 |
| Inhoud: |
Introduction. Previous studies show that patients with schizophrenia have a deficit in facial emotion recognition. In the framework of emotion categorisation theories, the purpose of the present study was to test if this impairment could result from abnormal boundaries between emotions (whether these boundaries are shifted along continuums or are less sharpened). Method. Twenty-six schizophrenic patients and the same number of healthy participants were required to perform a facial emotion recognition task and an emotion categorisation task with different emotion intensities obtained using morphing techniques. Results. The main results indicate that schizophrenic patients exhibited an emotion space with less sharpened categories which favoured confusion between different emotions and intrusions of other emotions. Moreover, correlations between different indices showed that the less sharpened the categories, the more frequent the intrusions and the less discriminable the facial emotions. Conclusion. We conclude that patients with schizophrenia process facial expressions in a less categorical way which involves impaired recognition of facial expressions. Such a specific impairment may favour false perceptions and lead to the settlement of delusional ideas. |
| Uitgever: |
Psychology Press |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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