مقایسه ی فعالیت سیستم های مغزی رفتاری وابستگان به مت آمفتامین با افراد بهنجار؛ بر اساس نظریه ی تجدیدنظرشده ی حساسیت به تقویت

نوع مقاله : مقاله پژوهشی

10.22038/jfmh.2013.763

چکیده

مقدمه: هدف مطالعه‌ی حاضر، مقایسه‌ی سه سیستم تجدیدنظرشده (فعال‌ساز رفتاری، بازداری رفتاری و جنگ/گریز/انجماد) نظریه‌ی حساسیت به تقویت در بیماران وابسته به مت‌آمفتامین با افراد بهنجار بود.
روش‌کار: این پژوهش علی‌مقایسه‌ای در شش ماه اول سال 1390 انجام شد. جامعه‌ی مورد مطالعه، مردان وابسته به مت‌آمفتامین فاقد اختلال سایکوتیک همراه و یا اختلالات بارز محور دو شهر مشهد بودند. از این بین، تعداد 25 نفر به روش نمونه‌گیری در دسترس انتخاب شدند.
هم‌چنین 25 نفر از بستگان نزدیک گروه وابسته به مت‌آمفتامین که به لحاظ متغیرهای سن، جنسیت و تحصیلات با آن‌ها همتا شده بودند به عنوان گروه بهنجار شرکت کردند. نمونه‌ها با استفاده از مصاحبه‌ی بالینی ساختاریافته‌ی راهنمای تشخیصی و آماری اختلالات روانی،
پرسش‌نامه‌ی اطلاعات جمعیت‌شناختی و پرسش‌نامه‌ی 5 عاملی جکسون ارزیابی گردیدند. داده‌ها با آزمون‌های کولموگروف-اسمیرنوف، مجذور خی و تی مستقل تحلیل شدند.
یافته‌ها: گروه وابسته به مت‌آمفتامین نسبت به گروه بهنجار از حساسیت بیشتری در سیستم‌های تجدیدنظرشده‌ی فعال‌سازی رفتار، بازداری رفتار، جنگ و انجماد برخوردار بودند (05/0>P) اما در سیستم تجدیدنظرشده‌ی گریز، تفاوت معناداری بین دو گروه دیده نشد (05/0<P).
نتیجه‌گیری: الگوی شخصیتی بیماران وابسته به مت‌آمفتامین با افراد بهنجار متفاوت
می‌باشد. این افراد از یک سو به دلیل حساسیت بالای سیستم بازداری رفتار و از سوی دیگر به دلیل حساسیت بالای سیستم فعال‌ساز رفتاری، در شرایطی با احتمال تنبیه از قبیل مقایسه شدن در موقعیت‌های اجتماعی و هم‌چنین گرایش به تقویت و پاداش از حساسیت بالایی برخوردارند.

کلیدواژه‌ها


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