Motor inhibition in trichotillomania and obsessive-compulsive disorder

Antje Bohne; Cary R. Savage; Thilo Deckersbach; Nancy J. Keuthen; Sabine Wilhelm

doi:10.1016/j.jpsychires.2006.11.008

Motor inhibition in trichotillomania and obsessive-compulsive disorder

Antje Bohne, Cary R. Savage, Thilo Deckersbach, Nancy J. Keuthen, Sabine Wilhelm

Research output: Contribution to journal › Article › peer-review

63 Scopus citations

Abstract

We investigated motor inhibition abilities in trichotillomania (TTM) and obsessive-compulsive disorder (OCD), two disorders characterized by repetitive, intentionally performed behaviors. Performance in a GoNogo experiment of 25 TTM and 21 OCD participants was compared to the performance of 26 HC participants. In contrast to OCD and HC participants, TTM participants tended to perform either 'fast and inaccurate' (indicating poor motor inhibition) or 'slow and accurate'. TTM participants with poor motor inhibition reported a significantly earlier age of TTM onset than those TTM participants who performed well. There was no evidence for motor inhibition deficits in OCD. Based on our data, a subgroup of TTM sufferers seems to be characterized by motor inhibition deficits.

Original language	English (US)
Pages (from-to)	141-150
Number of pages	10
Journal	Journal of Psychiatric Research
Volume	42
Issue number	2
DOIs	https://doi.org/10.1016/j.jpsychires.2006.11.008
State	Published - Jan 2008
Externally published	Yes

Keywords

Information processing
Motor inhibition
Obsessive-compulsive disorder
Obsessive-compulsive spectrum
Trichotillomania

ASJC Scopus subject areas

Psychiatry and Mental health
Biological Psychiatry

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10.1016/j.jpsychires.2006.11.008

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