مقایسه اتصالات عملکردی امواج مغز در حالت استراحت و مواجهه تصوری در زیرگروه اختلال وسواسی-جبری با انگیزه اجتناب از آسیب

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دکتری روان‌شناسی بالینی، گروه روانشناسی بالینی، دانشکده علوم تربیتی و روانشناسی، دانشگاه شیراز، شیراز، ایران.

2 دانشیار، گروه روانشناسی بالینی، دانشکده علوم تربیتی و روانشناسی، دانشگاه شیراز، شیراز، ایران.

چکیده


هدف: این پژوهش با هدف مقایسه اتصالات عملکردی امواج مغز در حالت استراحت و مواجهه تصوری با موقعیت برانگیزاننده وسواس در زیرگروه اختلال وسواسی-جبری با انگیزه اجتناب از آسیب انجام شد.
روش: طرح پژوهش از نوع توصیفی-تحلیلی و درون‌گروهی با مقایسه در دو وضعیت عملکردی (استراحت و مواجهه تصوری) بود. نمونه پژوهش، ۴۵ بیمار مبتلا به اختلال وسواسی-جبری با انگیزه اجتناب از آسیب مراجعه‌کننده به مرکز مشاوره پیوند شهر کرمان در سال ۱۴۰۲ بودند که با روش نمونه‌گیری هدفمند انتخاب و با مقیاس وسواس جبری‌ییل-براون (۱۹۸۶)، مصاحبه ابعاد اصلی وسواسی-جبری (۲۰۱۴)، پرسشنامه ابعاد اصلی صفت وسواسی-جبری (۲۰۱۴) و ثبت امواج الکتریکی مغز مورد ارزیابی قرار گرفتند. تجزیه و تحلیل داده‌ها با آزمون تی زوجی انجام گرفت.
یافته‌ها: نتایج افزایش اتصال عملکردی موج دلتا در فرونتال و فرونتو-سنترال، و موج تتا در فرونتـو -سـنترال و فرونتـو –تمپورال، کاهش اتصال عملکردی موج آلفا در نواحی درون نیمکره‌ای فرونتو-تمپورال، فرونتو-پاریتال و فرونتو-اکسیپیتال به ویژه سمت راست و بین نیمکره‌ای در لوب-‌های فرونتال و تمپورال، و موج بتا در فرونتال، فرونتو-تمپورال و فرونتو-اکسیپیتال را در وضعیت مواجهه تصوری نسبت به حالت استراحت نشان داد (۰۱/۰>p).
نتیجه‌گیری: بنابراین نتایج تغییرات قابل توجهی را در اتصالات عملکردی تمام امواج و به طور گسترده در کل شبکه مغز در وضعیت مواجهه تصوری نسبت به حالت استراحت نشان دادند. این یافته‌ها تحقیقات بیشتر درباره‌ی الگوی اتصالات عملکردی امواج مغز سایر زیرگروه‌های همگن اختلال وسواس و مقایسه آن‌ها با یکدیگر را تشویق می‌کند.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Comparing Functional Connections of Brain Waves in Resting State and Imaginary Exposure in Obsessive-Compulsive Disorder Subgroup with Harm Avoidance Motivation

نویسندگان [English]

  • Mahjoubeh Pourebrahimi 1
  • MehdiReza Sarafraz 2
1 Ph.D. of Clinical Psychology, Department of Clinical Psychology, Faculty of Educational Sciences and Psychology, Shiraz University, Shiraz, Iran.
2 Associate Professor, Department of Clinical Psychology, Faculty of Educational Sciences and Psychology, Shiraz University, Shiraz, Iran.
چکیده [English]

Aim: This research aimed to comparing the functional connections of brain waves in the resting state and imaginary exposure to obsessive-provoking situation in the subgroup of obsessive-compulsive disorder with harm avoidance motivation.
Method: The research design was descriptive-analytical and intra-group with comparison in two functional states (resting and imaginary exposure). The research sample was 45 patients suffering from obsessive-compulsive disorder with the harm avoidance motivation, who referred to the Peyvand counseling center in Kerman city in 2023-2024. They were selected by the purposeful sampling method and were evaluated by the Yale-Brown Obsessive Compulsive Scale (1986), Obsessive-Compulsive Core Dimensions Interview (2014), Obsessive-compulsive Trait Core Dimensions Questionnaire (2014) and EEG recording. Data analysis was done using paired t-test.
Results: The results showed a increase in delta wave functional connectivity in frontal and fronto-central, and theta wave in fronto-central and fronto-temporal, decrease in alpha wave functional connectivity in intrahemispheric regions in fronto-temporal, fronto-parietal and fronto-occipital especially the right side, and interhemispheric regions in frontal and temporal lobes, and beta wave in frontal, fronto-temporal and fronto-occipital areas in the imaginary exposure condition compared to the resting state (p< 0.01).
Conclusion: Thus, the results showed significant changes in functional connectivity of all waves and broadly across the entire brain network in the imaginal exposure condition compared to the resting state. These findings encourage further research into the functional connectivity patterns of brain waves of other homogeneous subgroups of obsessive-compulsive disorder and comparing those with each other.

کلیدواژه‌ها [English]

  • Functional Connections
  • Harm Avoidance
  • Obsessive-Compulsive Disorder
  • Quantitative Electroencephalography

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