期刊
ANNALS OF CLINICAL PSYCHIATRY
卷 20, 期 4, 页码 194-198出版社
QUADRANT HEALTHCOM INC
DOI: 10.1080/10401230802435625
关键词
Stereotypic Movement Disorder; Trichotillomania; Body-Focused Repetitive Behaviors; Hair-Pulling; Nail-Biting; Skin-Picking
类别
资金
- Trichotillomania Learning Center
Background. Stereotypic; movement disorder (SAID) is characterized by nonfunctional repetitive movements, is typically diagnosed in people with intellectual disability, and by definition excludes people with trichotillomania (TTM). Nevertheless, hair-pulling may be one of a number of body-focused repetitive behaviors (BFRBs) that are seen in the general population. Comorbidity, of symptoms might support the idea that they tire indicative of an underlying stereotypic disorder, and we therefore explored their frequency in people with hair-pulling. Methods. Participants were recruited with the help of the Trichotillomania Learning Center, the largest advocacy group for people with hair-pulling. Participants completed a self-report survey on the Internet, which included questions about tire presence of both hair-pulling and other BFRBs. Measures included the Massachusetts General Hospital Hairpulling Scale (MGH-HS), the Milwaukee Inventory for Subtypes of Trichotillomania-Adult Version (MIST-A), the Depression and Anxiety Stress Scale (DASS), and the Sheehan Disabilty Scale (SDS). Results. The majority of participants with hair-pulling (70%) report the presence of other BFRBs, roost commonly skin-picking and nail-biting. There were particularly strong associations between the total number of BFRBs and increased scores on ratings of focused hair-pulling, depression, anxiety, stress, and functional impairment. Similar results were found in participants who met more rigorous criteria for trichotillomania. Conclusions. This study is limited by its self-report nature, and by the lack of detailed information on the phenomenology of comorbid BFRBs. While further nosological research is needed, the high rates of these behaviors in people with hair-pulling, and their association with increased disability, is consistent with previous clinical observations, and supports the argument that trichotillomania can usefully be conceptualized as a stereotypic disorder. Speculatively, this argument may be especially valid in trichotillomania patients with snore focused hair-pulling symptoms.
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