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| Research article summary (published 30 Aug 2002): |
Electrophysiological dissociation of retrieval orientation and retrieval effort.
Full Abstract
The neural correlates of retrieval orientation-the differential processing of retrieval cues according to the form of the sought-for information-and retrieval effort were investigated in a factorial design. ERPs elicited by test words were recorded during four recognition memory tests. Orientation was manipulated by varying study material:
The study phases preceding two of the tests employed pictures, whereas the study phases preceding the other two tests employed words. Effort was manipulated by varying difficulty, using a combination of the variables of length of study list and study-test interval. ERPs elicited by correctly classified new test words were sensitive to both the study material and, to a much lesser extent, the difficulty of manipulations. Whereas difficulty effects onset early and were short-lived, the effects of study material onset later, extended for several hundred milliseconds, and did not vary according to difficulty. It was concluded that retrieval orientation exerts a major influence on the processing of recognition memory test items.
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Author information
Author/s: Robb, William G K (WG); Rugg, Michael D (MD);
Affiliation: University College London, England.
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't
Journal: Psychonomic bulletin & review (Psychon Bull Rev), published in United States. (Language: eng)
Reference: 2002-Sep; vol 9 (issue 3) : pp 583-9
Dates: Created 2002/11/04; Completed 2003/02/21; Revised 2006/11/15;
PMID: 12412900, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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