ارزیابی عملکرد حافظه کاری و بازداری پاسخ در افراد وابسته به متآمفتامین و افراد عادی

نوع مقاله: مقاله پژوهشی

نویسندگان

1 کارشناس ارشد روانشناسی عمومی، سمنان. ایران kurosh_askandari@yahoo.com

2 دانشیار گروه روانشناسی، دانشکده علوم تربیتی و روانشناسی دانشگاه فردوسی مشهد. مشهد. ایران(نویسنده مسئول) .ibigdeli@um.ac.

3 . استادیار گروه روانشناسی تربیتی دانشگاه سمنان، سمنان، ایران rezaei_am@yahoo.com

4 کارشناس ارشد روانشناسی بالینی، مدرس دانشگاه پیام‌نور واحد خواف fadaei.0057@yahoo com

چکیده

هدف پژوهش حاضر مقایسه فرایند­های شناختی (حافظه کاری و بازداری پاسخ) در افراد وابسته به مت‌آمفتامین بود.پژوهش حاضر از نوع علی–مقایسه‌ای است. جامعه پژوهش کلیه افراد وابسته به مت‌آمفتامین و افراد غیروابسته به مواد در شهر ایلام بودند. روش نمونه‌گیری پژوهش حاضر به شیوه دردسترس و نمونه پژوهش شامل 30 نفر وابسته به مت‌آمفتامین، و 30 نفر از افراد عادی بود. از آزمون رنگ-واژه استروپ(نوع رایانه‌ای) برای ارزیابی بازداری پاسخ و برای ارزیابی حافظه کاری نیز خرده آزمون فراخنای ارقام حافظه وکسلر(نوع رایانه‌ای) مورد استفاده قرار گرفت. داده‌ها با روش آماری واریانس چندمتغیره تجزیه و تحلیل شد. نتایج نشان داد عملکرد افراد وابسته به مت‌آمفتامین درمؤلفه های فراخنای ارقام رو به جلو و فراخنای ارقام معکوس با گروه به‌هنجار تفاوت معناداری دارد. همچنین عملکرد افراد وابسته به مت‌آمفتامین در بازداری پاسخ تفاوت معناداری با گروه به‌هنجارداشت ولی در مؤلفه‌های زمان واکنش همخوان و زمان واکنش ناهمخوان و مؤلفه‌های بدون پاسخ ناهمخوان تفاوت معناداری بین دو گروه مشاهده نشد. نتایج پژوهش نشان داد که وابستگی به مت‌آمفتامین تأثیر معناداری بر حافظه کاری و بازداری پاسخ افراد وابسته دارد.

کلیدواژه‌ها


عنوان مقاله [English]

Comparison of Working Memory and Response Inhibition in Methamphetamine-Dependent Individuals and Normal Individuals

نویسندگان [English]

  • Koorosh Eskandari 1
  • Imanollah Bigdeli 2
  • Ali Mohammad Rezaei 3
  • Atefeh Fadaei 4
1 . M.A in General Psychology, e-mail: kurosh_askandari@yahoo.com
2 Associate Professor in Dep. of Educational Psychology, (Corresponding Author), e-mail: idigdeli@um.ac.ir
3 Assistant Professor in Dep. of Educational Psychology, Semnan University, e-mail: rezaei_am@yahoo.com
4 . M.A in Clinical Psychology, Lecturer of Payam Noor University of Mashad, Khaf Branch. E-mail: fadaei0057@yahoo.com
چکیده [English]

The aim of this study was the comparison of cognitive processes (working memory and response inhibition) in methamphetamine-dependent individuals. The design of the present study is causal-comparative. The study population was all methamphetamine-dependent individuals and normal participants at Ilam. The sampling method of current research was available sampling. Participants consist of 30 methamphetamine-dependend and 30 normal participants. The color-word Stroop test (type PC) was performed for assessing response inhibition and for assessing working memory and evaluating subtest Wechsler memory span data(computer type) was used. The data were analyzed by multivariate analyses of variance.  Results showed that theperformance of methamphetamine-dependent individuals in components digits span was significantly different from the normal group. Also, methamphetamine-dependent individuals in the performance of response inhibition was significantly different from normal, but the components of congruent reaction time and incongruent reaction time and components without incongruent response no significant difference was observed between the two groups. Results showed that the methamphetamine-dependence has significant influence on working memory and inhibitory responses.

کلیدواژه‌ها [English]

  • response inhibition
  • Working memory
  • Methamphetamine dependence
  • Congruent reaction
  • Incongruent reaction
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