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Temporal and visual source memory deficits among ecstasy/polydrug users

Fisk, JE and Gallagher, DT and Hadjiefthyvoulou, F and Montgomery, C (2014) Temporal and visual source memory deficits among ecstasy/polydrug users. Human Psychopharmacology: Clinical and Experimental, 29 (2). pp. 172-182. ISSN 0885-6222

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Abstract

Objectives We wished to investigate whether source memory judgements are adversely affected by recreational illicit drug use. Method Sixty-two ecstasy/polydrug users and 75 non ecstasy users completed a source memory task, in which they tried to determine whether or not a word had been previously presented and if so, attempted to recall the format, location and temporal position in which the word had occurred. Results While not differing in terms of the number of hits and false positive responses, ecstasy/polydrug users adopted a more liberal decision criterion when judging if a word had been presented previously. With regard to source memory, users were less able to determine the format in which words had been presented (upper versus lower case). Female users did worse than female nonusers in determining which list (first or second) a word was from. Unexpectedly, the current frequency of cocaine use was negative associated with list and case source memory performance. Conclusions Given the role that source memory plays in everyday cognition, those who use cocaine more frequently might have more difficulty in everyday tasks such as recalling the sources of crucial information or making use of contextual information as an aid to learning. Copyright © 2014 John Wiley & Sons, Ltd. Copyright © 2014 John Wiley & Sons, Ltd.

Item Type: Article
Additional Information: This is the peer reviewed version of the following article: Fisk, J. E., Gallagher, D. T., Hadjiefthyvoulou, F. and Montgomery, C. (2014), Temporal and visual source memory deficits among ecstasy/polydrug users. Hum. Psychopharmacol. Clin. Exp., 29: 172–182, which has been published in final form at http://dx.doi.org/10.1002/hup.2385. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving."
Uncontrolled Keywords: 1115 Pharmacology And Pharmaceutical Sciences, 1701 Psychology, 1702 Cognitive Science
Subjects: B Philosophy. Psychology. Religion > BF Psychology
R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
R Medicine > RM Therapeutics. Pharmacology
Divisions: Natural Sciences and Psychology
Publisher: Wiley
Date Deposited: 15 May 2015 10:50
Last Modified: 15 May 2015 10:50
DOI or Identification number: 10.1002/hup.2385
URI: http://researchonline.ljmu.ac.uk/id/eprint/1094

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