Volume 9, Issue 34 (9-2015)                   etiadpajohi 2015, 9(34): 23-36 | Back to browse issues page

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mohammadzadeghan R, bayrami M, movahedi Y, gasem baklo Y, mohammadyari G, tahmaseb poor M. On the Comparison of Cognitive Function in Substance Abusers and Addicts under Methadone Treatment with Normal Individuals. etiadpajohi 2015; 9 (34) :23-36
URL: http://etiadpajohi.ir/article-1-122-en.html
university of tabriz
Abstract:   (10130 Views)

Objective: This study was an attempt to compare cognitive functioning in substance abusers and addicts under methadone treatment with normal individuals. Method: The current study was a causal-comparative one. The statistical population of this research consisted of all male substance abusers who had referred to addiction treatment centers of Khoy city in 2013. The total of 40 addicts under methadone treatment, 40 active drug users, and 40 non-addicts were selected as the participants of this study via convenience sampling method. Wisconsin Card Sorting Test and Wechsler Memory Scale were administered to the three groups for data collection purposes. Results: The results showed that the substance abusers’ scores in Wisconsin card sorting test and Wechsler memory scale were significantly different from those of addicts under methadone treatment and normal individuals. In the same way, there was a significant difference between addicts under methadone treatment and normal individuals in terms of cognitive function however, there was no significant difference between these two groups in terms of perseveration error. Conclusion: It can be concluded that chronic use of psychoactive substances causes damage to multiple brain regions such as prefrontal cortex and hippocampus and, thereby, it leads to cognitive malfunctioning in these areas.

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Type of Study: Research | Subject: Special
Received: 2013/11/20 | Accepted: 2015/10/23 | Published: 2015/10/29

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