Differential susceptibility to performance degradation across categories of facial emotion - a model confirmation

Johnston, Patrick J., McCabe, Kathryn, & Schall, Ulrich (2003) Differential susceptibility to performance degradation across categories of facial emotion - a model confirmation. Biological Psychology, 63(1), pp. 45-58.

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Abstract

Patients with a number of psychiatric and neuropathological conditions demonstrate problems in recognising facial expressions of emotion. Research indicating that patients with schizophrenia perform more poorly in the recognition of negative valence facial stimuli than positive valence stimuli has been interpreted as evidence of a negative emotion specific deficit. An alternate explanation rests in the psychometric properties of the stimulus materials. This model suggests that the pattern of impairment observed in schizophrenia may reflect initial discrepancies in task difficulty between stimulus categories, which are not apparent in healthy subjects because of ceiling effects. This hypothesis is tested, by examining the performance of healthy subjects in a facial emotion categorisation task with three levels of stimulus resolution. Results confirm the predictions of the model, showing that performance degrades differentially across emotion categories, with the greatest deterioration to negative valence stimuli. In the light of these results, a possible methodology for detecting emotion specific deficits in clinical samples is discussed.

Impact and interest:

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23 citations in Web of Science®

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ID Code: 81255
Item Type: Journal Article
Refereed: Yes
Keywords: facial emotions, stimulus materials, schizophrenia, task difficulty
DOI: 10.1016/S0301-0511(03)00026-7
ISSN: 0301-0511
Subjects: Australian and New Zealand Standard Research Classification > PSYCHOLOGY AND COGNITIVE SCIENCES (170000) > PSYCHOLOGY (170100) > Biological Psychology (Neuropsychology Psychopharmacology Physiological Psychology) (170101)
Australian and New Zealand Standard Research Classification > PSYCHOLOGY AND COGNITIVE SCIENCES (170000) > PSYCHOLOGY (170100) > Sensory Processes Perception and Performance (170112)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Psychology & Counselling
Deposited On: 28 Jan 2015 22:52
Last Modified: 28 Jan 2015 22:52

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