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J Neuropsychiatry Clin Neurosci. 2003 Spring;15(2):215-20.

Methamphetamine dependence is associated with neurocognitive impairment in the initial phases of abstinence.

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1
Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, School of Medicine, USA. adk@ucla.edu

Abstract

This study documented the association between neurocognitive impairment and methamphetamine dependence in a sample of 27 methamphetamine-dependent individuals who achieved 5 to 14 days of continuously monitored abstinence and in 18 control subjects. Methamphetamine-dependent individuals performed significantly worse than control subjects on neurocognitive measures sensitive to attention/psychomotor speed, on measures of verbal learning and memory, and on executive systems measures sensitive to fluency. These findings are the first to demonstrate that methamphetamine dependence is associated with impairments across a range of neurocognitive domains in a sample of users whose abstinence was continuously monitored with the use of urine screening.

PMID:
12724464
DOI:
10.1176/jnp.15.2.215
[Indexed for MEDLINE]
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