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An event-related potential study of memory for words spoken aloud or heard

Wilding, Edward Lewis and Rugg, M. D. 1997. An event-related potential study of memory for words spoken aloud or heard. Neuropsychologia 35 (9) , pp. 1185-1195. 10.1016/S0028-3932(97)00048-1

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Abstract

Subjects made old/new recognition judgements to visually presented words, half of which had been encountered in a prior study phase. For each word judged old, subjects made a subsequent source judgement, indicating whether they had pronounced the word aloud at study (spoken words), or whether they had heard the word spoken to them (heard words). Event-related potentials (ERPs) were compared for three classes of test item: words correctly judged to be new (correct rejections), and spoken and heard words that were correctly assigned to source (spoken hit/hit and heard hit/hit response categories). Consistent with previous findings (Wilding, E. L. and Rugg, M. D., Brain, 1996, 119, 889–905), two temporally and topographically dissociable components, with parietal and frontal maxima respectively, differentiated the ERPs to the hit/hit and correct rejection response categories. In addition, there was some evidence that the frontally distributed component could be decomposed into two distinct components, only one of which differentiated the two classes of hit/hit ERPs. The findings suggest that at least three functionally and neurologically dissociable processes can contribute to successful recovery of source information.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Psychology
Subjects: B Philosophy. Psychology. Religion > BF Psychology
R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Uncontrolled Keywords: event-related potentials; recognition memory; recollection; source memory
Publisher: Elsevier
ISSN: 0028-3932
Last Modified: 17 Jun 2017 06:15
URI: http://orca.cf.ac.uk/id/eprint/33552

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