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Flexible attention allocation to visual and auditory working memory tasks: manipulating reward induces a trade-off

Morey, Candice Coker, Cowan, Nelson, Morey, Richard D. and Rouder, Jeffery N. 2011. Flexible attention allocation to visual and auditory working memory tasks: manipulating reward induces a trade-off. Attention Perception & Psychophysics 73 (2) , pp. 458-472. 10.3758/s13414-010-0031-4

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Abstract

Prominent roles for general attention resources are posited in many models of working memory, but the manner in which these can be allocated differs between models or is not sufficiently specified. We varied the payoffs for correct responses in two temporally-overlapping recognition tasks, a visual array comparison task and a tone sequence comparison task. In the critical conditions, an increase in reward for one task corresponded to a decrease in reward for the concurrent task, but memory load remained constant. Our results show patterns of interference consistent with a trade-off between the tasks, suggesting that a shared resource can be flexibly divided, rather than only fully allotted to either of the tasks. Our findings support a role for a domain-general resource in models of working memory, and furthermore suggest that this resource is flexibly divisible.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Psychology
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Uncontrolled Keywords: Working memory, attention, change detection, rewards.
Publisher: Springer Verlag
ISSN: 1943-3921
Last Modified: 04 Jun 2017 07:51
URI: http://orca.cf.ac.uk/id/eprint/68959

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