Early-Stage Face Processing Dysfunction in Patients With Schizophrenia

OBJECTIVE: Deficits in emotional processing are evident in patients with schizophrenia. Since recent studies have indicated dysfunctions in cortical areas involved in face processing, this study investigated the early processing of faces in schizophrenia patients through the use of event-related pot...

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Bibliographic Details
Published in:The American journal of psychiatry 2004-05, Vol.161 (5), p.915-917
Main Authors: Herrmann, Martin J., Ellgring, Heiner, Fallgatter, Andreas J.
Format: Article
Language:English
Subjects:
Adolescent
Adult
Adult and adolescent clinical studies
Biological and medical sciences
Discrimination (Psychology) - physiology
Electroencephalography - statistics & numerical data
Emotion recognition
Event related brain potentials
Evoked Potentials, Visual - physiology
Face
Face perception
Female
Humans
Male
Medical sciences
Middle Aged
Onset
Parietal Lobe - physiopathology
Patients
Pattern Recognition, Visual - physiology
Psychology. Psychoanalysis. Psychiatry
Psychomotor Performance - physiology
Psychopathology. Psychiatry
Psychoses
Schizophrenia
Schizophrenia - diagnosis
Schizophrenia - physiopathology
Schizophrenic Psychology
Temporal Lobe - physiopathology
Visual information processing
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Summary:OBJECTIVE: Deficits in emotional processing are evident in patients with schizophrenia. Since recent studies have indicated dysfunctions in cortical areas involved in face processing, this study investigated the early processing of faces in schizophrenia patients through the use of event-related potentials. METHOD: Event-related potential responses were obtained from 24 schizophrenia patients and 28 healthy comparison subjects who were presented with pictures of faces and pictures of buildings (control stimuli). RESULTS: Schizophrenia patients displayed significantly lower differences in the face-specific N170 component between the face and building pictures than did the healthy comparison subjects. CONCLUSIONS: This finding suggests a dysfunction of early-stage visual processing of faces in patients with schizophrenia.
ISSN:0002-953X
1535-7228
DOI:10.1176/appi.ajp.161.5.915