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ERIC Number: EJ923021
Record Type: Journal
Publication Date: 2011-Jun
Pages: 6
Abstractor: As Provided
Reference Count: 0
ISSN: ISSN-0278-2626
A Male Advantage for Spatial and Object but Not Verbal Working Memory Using the N-Back Task
Lejbak, Lisa; Crossley, Margaret; Vrbancic, Mirna
Brain and Cognition, v76 n1 p191-196 Jun 2011
Sex-related differences have been reported for performance and neural substrates on some working memory measures that carry a high cognitive load, including the popular n-back neuroimaging paradigm. Despite some evidence of a sex effect on the task, the influence of sex on performance represents a potential confound in neuroimaging research. The present study investigated sex-related differences in verbal, spatial, and common object versions of the high cognitive load ''n-back'' working memory task. Eighteen male and 18 female undergraduates completed all 3 versions of the task. A mixed ANOVA, with Sex (male and female) as the between-subjects factor and Condition (verbal, spatial, and object) as the within-subjects repeated measure revealed that males were significantly more accurate than females on the spatial and object versions of the n-back task and performed equivalently to females on the verbal version of the task. Although the expected female advantage for verbal working memory was not found using this effortful n-back task, these results support a male advantage for high cognitive load spatial and object working memory. Future research should take into account the influence of sex on performance of the n-back task, and examine sex-related differences in working memory using other paradigms.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A