Facial emotion recognition difficulties may be specific to skin picking disorder, but could also be related to the presence of alexithymia in trichotillomania

IF 2.5 4区 医学 Q2 PSYCHIATRY
Efruz Pirdogan Aydin , Hasan Demirci , Azra Gokovali Begenen , Julide Guler Kenar , Ilknur Kivanc Altunay , Omer Akil Ozer , Kayıhan Oguz Karamustafalioglu
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引用次数: 0

Abstract

Background and objectives

Previous research has shown high rates of alexithymia and emotion dysregulation in trichotillomania (TTM) and skin picking disorder (SPD). Unfortunately, there are no data on facial emotion recognition (FER) in TTM and SPD. The present study aimed to compare patients with TTM and SPD and a healthy control group for the severity of alexithymia and rates of FER.

Methods

Forty patients with SPD, 30 patients with TTM, and 30 healthy controls were enrolled in this study. The Beck Depression Inventory (BDI), Beck Anxiety Inventory (BAI), Clinical Global Impression (CGI), Toronto Alexithymia Scale (TAS-20), and the Facial Emotion Recognition Test were applied to the participants.

Results

Patients with TTM and SPD had less FER accuracy and higher alexithymia scores compared with healthy controls. According to ANCOVA analysis, when anxiety, depression, and alexithymia were fixed as covariates, disgusted facial expressions and total facial emotion recognition were still significantly lower in patients with SPD compared with the control group, but there was no difference between the TTM and control groups and TTM and SPD groups.

Conclusion

Alexithymia rates were high in patients with TTM and SPD. Interestingly, difficulty in recognizing disgusted facial expressions may be a distinctive sign in SPD. Future neuroimaging studies are needed to support possible FER impairment in patients with TTM/SPD.

面部情绪识别困难可能是抠皮障碍所特有的,但也可能与拔毛癖中述情障碍的存在有关
背景与目的既往研究表明,拔毛癖(TTM)和挑皮症(SPD)患者的述情障碍和情绪调节障碍发生率较高。遗憾的是,在TTM和SPD中没有关于面部情绪识别(FER)的数据。本研究旨在比较TTM和SPD患者与健康对照组的述情障碍严重程度和FER发生率。方法选择40例SPD患者、30例TTM患者和30例健康对照组作为研究对象。参与者采用贝克抑郁量表(BDI)、贝克焦虑量表(BAI)、临床整体印象(CGI)、多伦多述情障碍量表(TAS-20)和面部情绪识别测试。结果与健康对照组相比,TTM和SPD患者的FER准确率较低,述情障碍评分较高。根据ANCOVA分析,当焦虑、抑郁和述情障碍被固定为协变量时,与对照组相比,SPD患者的厌恶面部表情和面部总情绪识别仍然显著降低,但TTM和对照组以及TTM和SPD组之间没有差异。结论TTM和SPD患者的述情障碍发生率较高。有趣的是,难以识别厌恶的面部表情可能是SPD的一个独特标志。未来的神经影像学研究需要支持TTM/SPD患者可能的FER损伤。
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来源期刊
CiteScore
2.90
自引率
0.00%
发文量
40
审稿时长
43 days
期刊介绍: The European journal of psychiatry is a quarterly publication founded in 1986 and directed by Professor Seva until his death in 2004. It was originally intended to report “the scientific activity of European psychiatrists” and “to bring about a greater degree of communication” among them. However, “since scientific knowledge has no geographical or cultural boundaries, is open to contributions from all over the world”. These principles are maintained in the new stage of the journal, now expanded with the help of an American editor.
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