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

Jill Thompson, Colin Hamilton, John M. Gray, J. G. Quinn, Paul Mackin, Allan Young, Nicol Ferrier

Research output: Contribution to journalArticlepeer-review

42 Citations (Scopus)

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.
Original languageEnglish
Pages (from-to)437-451
JournalMemory
Volume14
Issue number4
DOIs
Publication statusPublished - May 2006

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