Research article summary (published 30 May 2008):

Unidirectional interference in use of nondominant hand during concurrent Grooved Pegboard and random number generation tasks.

Full Abstract

The interference effect between Grooved Pegboard task with either hand and the executive task of cued verbal random number generation was investigated. 24 normal right-handed subjects performed each task under separate (single-task) and concurrent (dual-task) conditions. Articulatory suppression was required as an additional secondary task during pegboard performance. Analysis indicated an unambiguous distinction between the two hands. Comparisons of single-task and dual-task conditions showed an asymmetrical pattern of unidirectional interference with no practice effects during pegboard performance. Concurrent performance with nondominant hand but not the dominant hand of random number generation performance became continuously slower. There was no effect of divided attention on pegboard performance. Findings support the idea that the nondominant hand on the pegboard and random number tasks draw from the same processing resources but that for the executive aspect random number generation is more sensitive to changes in allocation of attentional resources.

Author information

Author/s: Strenge, Hans (H); Niederberger, Uwe (U);

Affiliation: University of Kiel, Institute of Medical Psychology and Medical Sociology, University Clinic Schleswig-Holstein, Campus Kiel, Diesterwegstr. 10-12, D-24113 Kiel, Germany. strenge(-atsign-)med-psych.uni-kiel.de

Journal and publication information

Publication Type: Comparative Study; Journal Article

Journal: Perceptual and motor skills (Percept Mot Skills), published in United States. (Language: eng)

Reference: 2008-Jun; vol 106 (issue 3) : pp 763-74

Dates: Created 2008/08/20; Completed 2008/10/08;

PMID: 18712198, status: MEDLINE (last retrieval date: 2/18/2009, IMS Date: )

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Adult Analysis of Variance Attention - physiology Female Functional Laterality - physiology Humans Male Memory - physiology Motor Skills - physiology

Motor Skills - physiology Neuropsychological Tests Practice (Psychology) Problem Solving - physiology Psychomotor Performance - physiology Reaction Time - physiology Task Performance and Analysis Verbal Behavior - physiology Visual Perception - physiology

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