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Related Experiment Videos

Impaired executive function in male MDMA ("ecstasy") users.

Niels Alting von Geusau1, Pieter Stalenhoef, Mariette Huizinga

  • 1Department of Psychology, University of Amsterdam, Roetersstraat 15, 1018, WB, Amsterdam, The Netherlands.

Psychopharmacology
|March 23, 2004
PubMed
Summary

Long-term ecstasy (MDMA) use impairs executive functions, particularly cognitive flexibility in males. Female users showed no cognitive deficits, suggesting sex-specific effects of MDMA on the brain.

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Area of Science:

  • Neuroscience
  • Psychology

Background:

  • Long-term use of ecstasy (3,4-methylenedioxymethamphetamine, MDMA) is associated with cognitive deficits, including memory, attention, and executive function.
  • Research on MDMA's specific effects on executive functions is limited.

Purpose of the Study:

  • To systematically investigate which executive functions are impacted by a history of MDMA use.
  • To analyze executive functions using a model comprising cognitive flexibility, information updating/monitoring, and response inhibition.

Main Methods:

  • A computerized cognitive test battery assessed executive functions in MDMA users and controls.
  • Participants abstained from substances for at least two weeks prior to testing.
  • Data were analyzed separately for males and females due to reported sex-differential effects.

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Main Results:

  • Male MDMA users exhibited significant impairments in cognitive flexibility and complex executive tasks.
  • No cognitive differences were observed between female MDMA users and controls.
  • Specific deficits were noted in tasks measuring cognitive flexibility and combined executive functions in males.

Conclusions:

  • MDMA use history selectively impairs executive functions, particularly in males.
  • Cognitive flexibility deficits and increased perseverative behavior were observed in male users.
  • Impaired behavioral flexibility may negatively impact daily life activities for male MDMA users.