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Conscious and Non-conscious Representations of Emotional Faces in Asperger's Syndrome
Published on: July 31, 2016
Self-face recognition in schizophrenia
Tilo T Kircher1, Nina Y Seiferth, Christian Plewnia
1Department of Psychiatry and Psychotherapy, RWTH Aachen University, Pauwelsstrasse 30, D-52074 Aachen, Germany. tkircher@ukaachen.de
Patients with schizophrenia show impaired self-face recognition, particularly for faces in their right visual field. This dysfunction in processing one's own face may be linked to altered self-awareness in schizophrenia.
Area of Science:
- Cognitive Neuroscience
- Psychiatry
- Self-Awareness Research
Background:
- Altered self-awareness is a potential core feature of schizophrenia.
- Facial self-recognition is associated with the development of self-awareness in children and primates.
Purpose of the Study:
- To investigate self-face recognition abilities in individuals with schizophrenia.
- To explore the link between self-face recognition and aspects of self-awareness in schizophrenia.
Main Methods:
- Compared 20 patients with schizophrenia and 20 healthy controls.
- Utilized standardized facial images in three forced-choice recognition experiments.
- Assessed recognition of own face, relative's face, and unknown faces under varying presentation conditions (duration, visual field, morphing).
Main Results:
- Schizophrenia patients showed significantly higher error rates for their own face presented to the right visual hemifield.
- No group differences were observed in central or morphed face recognition tasks.
- Impaired self-face recognition correlated with the presence of hallucinations in patients.
Conclusions:
- Schizophrenia is associated with a specific dysfunction in self-face processing.
- This self-face processing deficit may contribute to the altered self-awareness observed in schizophrenia.
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