Objectives: The present study assessed how prospective memory (PM) is affected in former methamphetamine (MA) users. Methods: 30 adults with a history of MA (average duration of use, 2.7 years) who have fulfi lled the diagnostic criteria of DSM-IV-TR and are currently engaged in rehabilitation and abstinent for an average period of 6 months, were recruited through the rehabilitation clinic in Semnan city, Iran. A control group of 30 participants with no history of substance abuse were also recruited. The prospective memory questionnaire (PRMQ), and PM task were administered. Results: MA users were signifi cantly impaired on the measures of PM. In addition results showed that in all measures of PM, the control group had superiority when compared with MA users. Conclusions: PM defi cits are associated with MA use and have potentially important implications for rehabilitative practice.

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