Neuropsychological effects of 3,4-methylenedioxymethamphetamine (MDMA or ecstasy) in recreational users.
Carla Back-Madruga, Kyle B. Boone, Linda Chang, Charles S. Grob, Allison Lee, Heather Nations, Russell E. Poland
The Clinical neuropsychologist November 1, 2003 DOI: 10.1076/clin.17.4.446.27939 (opens in new tab)
Study at a glance
AI-extracted from the abstract| Characteristics | Case-control study Peer reviewed |
|---|---|
| Sample size | 50 |
| Population | Recreational MDMA users and age-, education-, and IQ-matched normal controls |
| Topics | MDMA |
| Keywords | Cognitive function Thinking skills Cognition Memory impairment Nonverbal memory Visual memory Visual recall Recreational drug use Recreational MDMA Use Ecstasy use |
| Citations | 57 |
| Key findings | Heavy MDMA users (50+ lifetime uses) showed significantly lower scores on two of three nonverbal memory tests compared to lighter users, while overall cognitive functioning did not differ from controls. |
Abstract
While neuropsychological studies on 3,4-methylenedioxymethamphetamine (MDMA or ecstasy) users have been emerging, results have been inconsistent, possibly due to methodological issues. The current study examined the performance of 22 recreational MDMA users compared to 28 age, education, and IQ comparable normal control subjects on a comprehensive battery of neuropsychological tests. Results revealed no significant differences in cognitive functioning between the MDMA users and normal controls. However, greater use of MDMA was associated with poorer scores on several measures of nonverbal memory, and greater frequency users (> or = 50 times) evidenced significantly lower scores on 2 of 3 nonverbal memory tests compared to lesser frequency users (< 50 times). Our results suggest that a subgroup of MDMA patients, specifically heavy MDMA users, evidence declines in nonverbal (visual) memory, however, other cognitive areas appear to be spared.
Comparable studies
Other observational and cohort studies on MDMA, most cited first.
| Study | Year | Design | Participants |
|---|---|---|---|
| Subjective Reports of the Effects of MDMA in a Clinical Setting Individuals who took MDMA in a clinical setting | 1986 | Observational study | |
| Memory impairment in abstinent MDMA ("Ecstasy") users Abstinent MDMA users | 1998 | Observational cohort | |
| Impaired cognitive performance in drug free users of recreational ecstasy (MDMA) Otherwise healthy young people | 2000 | Observational | |
| The Psychological and Physiological Effects of MDMA on Normal Volunteers Older, more educated, drug-experienced individuals | 1986 | Observational cohort | |
| Cognitive performance in recreational users of MDMA or 'ecstasy': evidence for memory deficits Young people who were regular or novice MDMA users, or non-users | 1998 | Observational cohort | n = 30 |
Citations in the library
Cited by 26
- Neurotoxicity of methylenedioxyamphetamines (MDMA; ecstasy) in humans: how strong is the evidence for persistent brain damage? Addiction February 27, 2006
- Human psychobiology of MDMA or ‘Ecstasy’: an overview of 25 years of empirical research Human Psychopharmacology: Clinical and Experimental July 1, 2013
- Mood, cognition and serotonin transporter availability in current and former ecstasy (MDMA) users: the longitudinal perspective Journal of Psychopharmacology March 1, 2006
- MDMA in humans: factors which affect the neuropsychobiological profiles of recreational ecstasy users, the integrative role of bioenergetic stress Journal of Psychopharmacology March 1, 2006
- Memory deficits in abstinent MDMA (ecstasy) users: neuropsychological evidence of frontal dysfunction Journal of Psychopharmacology March 30, 2006
and 21 more in the library
Cites 20
- Positron emission tomographic evidence of toxic effect of MDMA (“Ecstasy”) on brain serotonin neurons in human beings The Lancet October 1, 1998
- Memory impairment in abstinent MDMA ("Ecstasy") users Neurology December 1, 1998
- Impaired cognitive performance in drug free users of recreational ecstasy (MDMA) Journal of Neurology, Neurosurgery, and Psychiatry June 1, 2000
- Mood and cognitive effects of ± 3,4‐methylenedioxymethamphetamine (MDMA, ‘ecstasy’): week‐end ‘high’ followed by mid‐week low Addiction July 1, 1997
- Reducedin vivobinding to the serotonin transporter in the cerebral cortex of MDMA (‘ecstasy’) users The British Journal of Psychiatry July 1, 1999
and 15 more in the library