强迫性障碍患者对自我和名人面孔识别速度异常的实验研究

发布时间：2018-04-24 05:08

本文选题：强迫性障碍 + 自我面孔识别　；参考：《中国心理卫生杂志》2014年05期

【摘要】：目的:探讨强迫性障碍(OCD)患者自我加工及熟悉性加工的特点。方法:选取14例符合国际疾病和相关健康问题统计分类第十版(ICD-10)诊断标准的OCD患者及14例年龄、受教育程度相匹配的正常对照。利用设置恒定的数码相机拍摄被试中性表情的正面像,然后分别利用Photoshop软件及Morph软件进行面孔标准化处理和不同类型面孔之间的合成。实验要求被试分别通过左右手按键识别混合了任意两种面孔特征的合成面孔(自我-名人,名人-陌生人,自我-陌生人)中其中一种面孔身份及打乱面孔(打乱的面孔拼凑而成的简图)。计算机分别记录被试对"自我"图片和"他人"图片的反应速度,取平均值作为被试对该面孔的反应时间(s),以每个实验条件下被试对打乱图片的识别时间为基准计算反应时间比(校正后的反应时间,无单位)。结果:重复测量方差分析结果显示,OCD患者用右手按键对自我[(1.14±0.11)vs.(1.05±0.08)]和名人[(1.09±0.07)vs.(1.12±0.07)]面孔的识别反应时间比均大于正常对照(P0.05)。结论:OCD患者对自我面孔和熟悉性面孔的识别速度可能降低,提示其自我加工和熟悉性加工可能有所受损。
[Abstract]:Objective: to explore the characteristics of self-processing and familiarity in patients with obsessive-compulsive disorder (OCD). Methods: fourteen patients with OCD who met the criteria of International Classification of Disease and related Health problems (ICD-10) and 14 normal controls with matched age and education were selected. The positive images of neutral facial expressions were taken with a constant digital camera, and then the faces were standardized by Photoshop software and Morph software, and the different types of faces were synthesized. The subjects were asked to identify synthetic faces (self-celebrities, celebrities-strangers) that were mixed with any two facial features by using the left-and right-hand keystrokes. One of the face identities of self-strangers and a schematic diagram of disordered faces (disjointed faces). The computer recorded the reaction speed of the subjects to the "self" picture and the "others" picture, respectively. The average reaction time of the face was taken as the average time, and the reaction time ratio was calculated based on the recognition time of the scrambled picture under each experimental condition (the corrected reaction time, no unit). Results: the results of ANOVA showed that the response time ratio of the right hand button to the faces of self (1.14 卤0.11)vs.(1.05 卤0.08) and celebrity (1.09 卤0.07)vs.(1.12 卤0.07) was higher than that of the normal controls (P 0.05). Conclusion the speed of recognition of self-faces and familiar faces may decrease in patients with OCD, suggesting that their self-processing and familiarity processing may be impaired.
【作者单位】：首都医科大学附属北京安定医院;北京师范大学认知神经科学与学习国家重点实验室;北京脑重大疾病研究院精神分裂症研究所;精神疾病诊断与治疗北京市重点实验;
【基金】：国家临床重点专科建设项目
【分类号】：R749.7

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