Sleep promotes analogical transfer in problem solving

Monaghan, Padraic and Sio, Ut Na and Lau, Sum Wai and Woo, Hoi Kei and Linkenauger, Sally A. and Ormerod, Thomas C. (2015) Sleep promotes analogical transfer in problem solving. Cognition, 143. pp. 25-30. ISSN 0010-0277

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Abstract

Analogical problem solving requires using a known solution from one problem to apply to a related problem. Sleep is known to have profound effects on memory and information restructuring, and so we tested whether sleep promoted such analogical transfer, determining whether improvement was due to subjective memory for problems, subjective recognition of similarity across related problems, or by abstract generalisation of structure. In Experiment 1, participants were exposed to a set of source problems. Then, after a 12-h period involving sleep or wake, they attempted target problems structurally related to the source problems but with different surface features. Experiment 2 controlled for time of day effects by testing participants either in the morning or the evening. Sleep improved analogical transfer, but effects were not due to improvements in subjective memory or similarity recognition, but rather effects of structural generalisation across problems. (C) 2015 Elsevier B.V. All rights reserved.

Item Type:
Journal Article
Journal or Publication Title:
Cognition
Additional Information:
This is the author’s version of a work that was accepted for publication in Cognition. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Cognition, 143, 2015 DOI: 10.1016/j.cognition.2015.06.005
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/1200/1203
Subjects:
ID Code:
76798
Deposited By:
Deposited On:
23 Nov 2015 15:54
Refereed?:
Yes
Published?:
Published
Last Modified:
18 Nov 2020 03:23