Face perception in schizophrenia: a specific deficit
- PMID: 26816133
- DOI: 10.1080/13546805.2015.1133407
Face perception in schizophrenia: a specific deficit
Abstract
Introduction: Patients with schizophrenia have a large-scaled and severe cognitive impairment. This study examines whether a well-established deficit in face recognition in schizophrenia is a part of this general cognitive impairment or is specific to faces per se.
Method: The differential deficit in matching upright faces as compared with two psychometrically matched control tasks (matching inverted faces and matching none-face objects) was assessed in two well-matched samples of schizophrenics (n = 40) and controls (n = 40).
Results: Indicating a generalised cognitive deficit, schizophrenics were impaired in all tasks. Importantly, however, the deficit in matching upright faces was stronger in magnitude (15.6%) than the deficits in matching inverted faces (10.1%) and non-face objects (10.2%). Consistently, schizophrenics showed weaker face inversion effects, indicating a configural processing dysfunction.
Conclusion: These results provide compelling evidence for a face-specific deficit in schizophrenia that may be associated with, but separable from, a generalised cognitive impairment.
Keywords: Schizophrenia; configural processing; deferential deficit; face perception; generalised deficit; object perception.
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