2021, Number 1
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Salud Mental 2021; 44 (1)
Gender differences on the WAIS-IV in patients with schizophrenia
Ruiz JC, Fuentes I, Dasi C, Navarro M
Language: English
References: 31
Page: 17-23
PDF size: 189.77 Kb.
ABSTRACT
Introduction. Results from studies that have investigated gender differences in neuropsychological functioning
in schizophrenia have been inconsistent. Differences in the illness stage, in the demographic and
clinical characteristics of the samples, and the instruments used to measure cognition may have contributed
to the heterogeneity in the results.
Objective. Investigate the heterogeneity in the results comparing cognitive
functioning in chronically ill male and female patients with schizophrenia.
Method. Twenty-five women and
twenty-five men chronically ill patients with schizophrenia matched on age, age at illness onset, and years
of education were evaluated in cognitive functioning using the WAIS-IV.
Results. Men showed higher scores
than women on the two global measures, on the perceptual reasoning and working memory indices, and on
the information, visual puzzles, digit span, and arithmetic subtests of the WAIS-IV. Cohen’s d effect sizes
were high for the two global measures and the two indices (d › .68).
Discussion and conclusion. Overall,
in chronically stable patients with diagnosis of schizophrenia, women’s performance on cognitive functioning
was below men’s when assessed with the WAIS-IV, except in the case of processing speed. This pattern of
gender differences is similar to the pattern observed in healthy populations. Our results can help to clarify the
heterogeneity in the results from studies on gender differences in cognitive functioning in schizophrenia and
may be valuable in designing cognitive-targeted interventions for schizophrenia.
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