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Everyday memory deficits in ecstasy-polydrug users.

Catharine Montgomery1, John E Fisk

  • 1School of Psychology, Liverpool John Moores University, Liverpool, UK. c.a.montgomery@ljmu.ac.uk

Journal of Psychopharmacology (Oxford, England)
|July 4, 2007
PubMed
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Cannabis use significantly impairs everyday memory and prospective memory functioning. While ecstasy may also cause cognitive issues, cannabis appears to be the primary driver of these memory deficits.

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Psychopharmacology

Background:

  • Recreational drug use, particularly ecstasy, is known to affect cognitive functions like working memory.
  • Emerging evidence suggests broader impacts on everyday memory, including prospective memory (remembering future intentions).

Purpose of the Study:

  • To investigate the specific impact of cannabis and ecstasy use on everyday and prospective memory.
  • To identify which illicit drug use is the primary predictor of memory deficits in these domains.

Main Methods:

  • Recruited university students: 43 ecstasy-polydrug users and 51 non-ecstasy users.
  • Administered questionnaires: Cognitive Failures Questionnaire (CFQ), Everyday Memory Questionnaire (EMQ), and Prospective Memory Questionnaire (PMQ).
  • Collected objective cognitive failure data via CFQ-for-others from friends.

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Main Results:

  • Cannabis use was the sole significant predictor of everyday and prospective memory deficits across regression analyses (excluding CFQ-for-others).
  • Significant correlations were observed between everyday memory indicators and various illicit drug use measures, with cannabis being prominent.
  • Ecstasy use showed some association with cognitive slips, but to a lesser extent than cannabis.

Conclusions:

  • The study provides further evidence for cannabis-related deficits in everyday memory functioning.
  • Cannabis use is a significant factor contributing to impairments in prospective memory and daily memory tasks.