A Meta-Analysis of the Relationship between Abstinence and Neuropsychological Functioning in Methamphetamine Use Disorder

The aim of this this meta-analysis was to investigate the relationship between abstinence and neuropsychological functioning in people with methamphetamine use disorder. Findings revealed small-to-moderate effect sizes, indicating that methamphetamine participants performed somewhat below controls on learning efficiency, visual-spatial processing, acquired knowledge, retrieval fluency, processing speed, and psychomotor speed.