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Executive and visuospatial sketchpad resources in euthymic bipolar disorder: Implications for visuospatial working memory architecture

Lookup NU author(s): Jill Thompson, Dr John Gray, Dr Paul Mackin, Professor Allan Young, Emeritus Professor Nicol Ferrier

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Abstract

Visuospatial working memory theory is used to interpret the cognitive impairment in euthymic bipolar disorder. Such patients show deficits in the Corsi Blocks Test (CBT) and executive control. To understand these deficits, 20 euthymic bipolar patients and controls were administered the CBT, Visual Patterns Test (VPT), and a new visual memory task designed to make minimal demands on executive resources. Initial analyses validated the visual memory task and implicated executive involvement in the CBT and VPT. Subsequent analyses on a number of tests confirmed CBT and executive deficits while performance was normal on the VPT and visual memory test. ANCOVA indicated that impaired executive function underpinned patients' CBT performance. Implications for the interface between executive and slave systems of working memory are discussed. © 2006 Psychology Press Ltd.

Publication metadata

Author(s): Thompson JM, Hamilton CJ, Gray JM, Quinn JG, Mackin P, Young AH, Ferrier IN

Publication type: Article

Publication status: Published

Journal: Memory

Year: 2006

Volume: 14

Issue: 4

Pages: 437-451

ISSN (print): 0965-8211

ISSN (electronic): 1464-0686

Publisher: Psychology Press

URL: http://dx.doi.org/10.1080/09658210500464293

DOI: 10.1080/09658210500464293

PubMed id: 16766447

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