Executive dysfunction and memory impairment in schizoaffective disorder: a comparison with bipolar disorder, schizophrenia and healthy controls

Deficits in memory and executive performance are well-established features of bipolar disorder and schizophrenia. By contrast, data on cognitive impairment in schizoaffective disorder are scarce and the findings are conflicting. We used the Wechsler Memory Scale (WMS-III) and the Behavioural Assessm...

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Bibliographic Details
Published in:Psychological medicine 2012-10, Vol.42 (10), p.2127-2135
Main Authors: Amann, B., Gomar, J. J., Ortiz-Gil, J., McKenna, P., Sans-Sansa, B., Sarró, S., Moro, N., Madre, M., Landin-Romero, R., Vieta, E., Giokolea, J. M., Salvador, R., Pomarol-Clotet, E.
Format: Article
Language:English
Subjects:
Adult
Adult and adolescent clinical studies
Analysis of Variance
Biological and medical sciences
Bipolar affective disorder
Bipolar disorder
Bipolar Disorder - epidemiology
Bipolar Disorder - physiopathology
Bipolar Disorder - psychology
Bipolar disorders
Cognition & reasoning
Cognition Disorders - epidemiology
Cognition Disorders - physiopathology
Cognition Disorders - psychology
Comorbidity
Dementia
Dysfunction
Esquizofrènia
Executive Function
Female
Humans
Male
Manic-depressive illness
Medical sciences
Memory
Memory Disorders - epidemiology
Memory Disorders - physiopathology
Memory Disorders - psychology
Mood disorders
Neuropsicologia
Neuropsychological Tests - statistics & numerical data
Neuropsychology
Neuroses
Neurosi
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
Psychoses
Psychotic Disorders - epidemiology
Psychotic Disorders - physiopathology
Psychotic Disorders - psychology
Schizoaffective disorder
Schizophrenia
Schizophrenia - epidemiology
Schizophrenia - physiopathology
Schizophrenic Psychology
Spain - epidemiology
Trastorn bipolar
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Summary:Deficits in memory and executive performance are well-established features of bipolar disorder and schizophrenia. By contrast, data on cognitive impairment in schizoaffective disorder are scarce and the findings are conflicting. We used the Wechsler Memory Scale (WMS-III) and the Behavioural Assessment of the Dysexecutive Syndrome (BADS) to test memory and executive function in 45 schizophrenic patients, 26 schizomanic patients and 51 manic bipolar patients in comparison to 65 healthy controls. The patients were tested when acutely ill. All three patient groups performed significantly more poorly than the controls on global measures of memory and executive functioning, but there were no differences among the patient groups. There were few differences in memory and executive function subtest scores within the patient groups. There were no differences in any test scores between manic patients with and without psychotic symptoms. Schizophrenic, schizomanic and manic patients show a broadly similar degree of executive and memory deficits in the acute phase of illness. Our results do not support a categorical differentiation across different psychotic categories with regard to neuropsychological deficits.
ISSN:0033-2917
1469-8978
DOI:10.1017/S0033291712000104