Trichotillomania is more related to Tourette disorder than to obsessive-compulsive disorder
Objective: Trichotillomania (TTM) is characterized by the pulling out of one’s hair. TTM was classified as an impulse control disorder in DSM-IV, but is now classified in the obsessive-compulsive related disorders section of DSM-5. Classification for TTM remains an open question, especially considering its impact on treatment of the disorder. In this review, we questioned the relation of TTM to tic disorder and obsessive-compulsive disorder (OCD). Method: We reviewed relevant MEDLINE-indexed articles on clinical, neuropsychological, neurobiological, and therapeutic aspects of trichotillomania, OCD, and tic disorders. Results: Our review found a closer relationship between TTM and tic disorder from neurobiological (especially imaging) and therapeutic standpoints. Conclusion: We sought to challenge the DSM-5 classification of TTM and to compare TTM with both OCD and tic disorder. Some discrepancies between TTM and tic disorders notwithstanding, several arguments are in favor of a closer relationship between these two disorders than between TTM and OCD, especially when considering implications for therapy. This consideration is essential for patients.
| Main Authors: | , , , |
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| Format: | Digital revista |
| Language: | English |
| Published: |
Associação Brasileira de Psiquiatria
2020
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| Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-44462020000100016 |
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