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J Exp Psychol Gen. 2001 Dec;130(4):641-57.

Working memory and the control of action: evidence from task switching.

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Department of Experimental Psychology, University of Bristol, England.


A series of 7 experiments used dual-task methodology to investigate the role of working memory in the operation of a simple action-control plan or program involving regular switching between addition and subtraction. Lists requiring switching were slower than blocked lists and showed 2 concurrent task effects. Demanding executive tasks impaired performance on both blocked and switched lists, whereas articulatory suppression impaired principally the switched condition. Implications for models of task switching and working memory and for the Vygotskian concept of verbal control of action are discussed.

[Indexed for MEDLINE]

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