強迫癥道德厭惡與生理厭惡的ERP研究
[Abstract]:Objective obsessive-compulsive disorder (obsessive-compulsive disorder,OCD) is a chronic mental disorder characterized by recurrent compulsive thinking or obsessive-compulsive behavior. The study found that obsessive-compulsive disorder (OCD) has impaired ability of aversion and processing, and aversion plays an important role in the pathogenesis of obsessive-compulsive disorder (OCD). Aversion can be caused by unclean substances (such as bacteria, excreta, etc.) and against social ethics. The morality of obsessive compulsive disorder is generally too strong, they are more abhorrent to immoral behavior of self and others. In this study, aversion was divided into moral aversion and physiological aversion. Neuroelectrophysiological techniques were used to study the aversion of obsessive-compulsive disorder (OCD) patients. To explore the characteristics of cognitive processing of moral aversion and physiological aversion in patients with obsessive-compulsive disorder (OCD) and their relationship with obsessive-compulsive symptoms (OCD), as well as the behavioral evidence and electrophysiological mechanism of their interaction. Methods Twenty-eight patients with obsessive-compulsive disorder (OCD) who met the diagnostic criteria of International Classification of Diseases and related Health problems (International Statist ical Classification of Diseases and Related Health Problems,ICD-10) and 30 controls matched with age, sex composition and length of education were included to perform lexical judgment tasks. Behavioral data and EEG data were recorded by Neuroscan ERP recording and analysis system. All participants completed the Montreal Cognitive Assessment (Montreal Cognitive Assessment,Mo CA), digit Span Test (Digital Span Task,DS) and the speech fluency Test (Verbal Fluency Test,VFT), Stroop Color word Task (Stroop Colour Word Test,SCWT), Padua scale-Washington State University revision (Padua Inventory-Washington State University Revision,PIWSUR), Hanmi (Hamilton anxiety scale,HAMA, Hamilton Depression scale, 17 items of (Hamilton depression scale-17,HAMD-17, The obsessive-compulsive disorder patients were assessed with Yale Brown obsessive-compulsive scale (Yale-Brown Obsessive Compulsive Scale,Y-BOCS). Results (1) Behavioral outcome: compared with the control group, the obsessive-compulsive group had a higher degree of disgust to the words of moral disgust [(7.08 鹵1.23) vs. (5.77 鹵1.44)] and physiological words [(6.38 鹵1.78) vs. (5.03 鹵1.64)], and the reaction time to the words of physical disgust [(762.69 鹵128.25) ms vs. (648.69 鹵162.66) ms] and the word of moral disgust [(798.73 鹵115.26) ms vs. (727.00 鹵106.06) ms] was also longer. The scores of Y-BOCS, PI-WSUR, pollution / cleaning, dressing / dressing, and obsessive-compulsive factors were significantly different between the two groups of obsessive-compulsive disorder (OCD) (P0.05), and the scores of obsessive-compulsive behavior (OCD) and obsessive-compulsive behavior (OCD) were measured. Forced thoughts that hurt others / themselves, The scores of compulsive impulses that hurt others / oneself were positively correlated (P0.05). (2). The results of EEG showed that the main effect of stimulation type of LPC component was significant (P0.05), and the threshold of interaction between stimulus type and group was significant (P0. 05). The simple effect analysis of obsessive-compulsive disorder group was physical and moral aversion (P0. 05). The amplitude of LPC [(5.35 鹵0.68) 渭 V vs. (5.30 鹵0.84 渭 V] had no significant difference (P0.05), but the amplitude of LPC induced by physical aversion and moral aversion in the control group [(5.69 鹵0.64) 渭 V vs. (4.35 鹵0.65 渭 V] was significantly different (P0.05); The total score of Padua scale and its pollution / cleaning compulsive factors, the factors of hurting others and their own compulsive thoughts were positively correlated with the amplitude of LPC wave of moral aversion (P0.05). Conclusion compared with the control group, the OCD group has stronger sense of moral aversion and physiological aversion, and the intensity of moral aversion and physiological aversion is positively related to the severity of clinical symptoms of OCD patients.
【學位授予單位】:安徽醫(yī)科大學
【學位級別】:碩士
【學位授予年份】:2016
【分類號】:R749.7
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