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Differential effects of Ecstasy and cannabis on self-reports of memory ability: A web-based study

Lookup NU author(s): Emerita Professor Jacqueline Rodgers

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Abstract

Given the legal status of MDMA (3,4-methylenedioxymethamphetamine), or Ecstasy, face-to-face access to participants is sometimes difficult. The number of participants in studies of cognitive performance amongst Ecstasy users is variable, with the average being around 30. Access to a larger number of participants is clearly desirable. The present investigation accessed a larger sample size using a web-based design. A website was developed and used for data collection. Prospective memory ability was assessed using the Prospective Memory Questionnaire. Self-report of day-to-day memory performance was investigated using the Everyday Memory Questionnaire. The Drug Questionnaire assessed the use of other substances as well as Ecstasy, allowing a regression design to isolate the contribution of each substance to any variance on the cognitive measures. Preliminary findings (N = 488) indicate that there is a clear double dissociation between the impact of Ecstasy and cannabis. We found that cannabis was associated with reports of 'here-and-now' cognitive problems in short-term and internally cued prospective memory. In contrast, Ecstasy was associated with reports of long-term memory problems, which were more related to storage and retrieval difficulties. Copyright © 2001 John Wiley & Sons, Ltd.


Publication metadata

Author(s): Rodgers J, Buchanan T, Scholey AB, Heffernan TM, Ling J, Parrott A

Publication type: Article

Publication status: Published

Journal: Human Psychopharmacology

Year: 2001

Volume: 16

Issue: 8

Pages: 619-625

Print publication date: 01/01/2001

ISSN (print): 0885-6222

ISSN (electronic): 1099-1077

Publisher: John Wiley & Sons

URL: http://dx.doi.org/10.1002/hup.345

DOI: 10.1002/hup.345


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