Effects of chronic, heavy cannabis use on executive functions

  • Crean R
  • Tapert S
  • Minassian A
 et al. 
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Abstract

This case describes the clinical course of a cannabis-dependent individual entering a 12-week abstinence-based research program. The case illustrates the effects of chronic, heavy cannabis use on executive functions at three time points: 1) 24 hours of abstinence; 2) 4 weeks of abstinence; and 3) 12 weeks of abstinence. It is followed by discussions by two clinical psychologists and a psychiatrist. The findings described here have important clinical implications, as executive functions have a vital role in treatment participation and in sustaining recovery. It should be of particular interest to clinicians who work with people with cannabis use disorders.

Author-supplied keywords

  • Cannabis
  • Cognitive impairment
  • Executive functions
  • Marijuana
  • Neuropsychological assessment

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Authors

  • Rebecca D. Crean

  • Susan F. Tapert

  • Arpi Minassian

  • Kai MacDonald

  • Natania A. Crane

  • Barbara J. Mason

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