Familial Clustering of Tic Disorders and Obsessive-Compulsive Disorder

Tic disorders and obsessive compulsive disorder: where is the link?

Over the last years evidence on the overlap between tic-disorders (TD) and obsessive compulsive behavior/disorder (OCB/OCD) has increased. The main focus of research have been the phenomenological and epidemiological similarities and differences in samples of different age, primary diagnosis (TD vs. OCD) including the co-occurrence of both. Unfortunately, only a minority of studies included all...

Treating obsessive-compulsive and tic disorders.

Obsessive Compulsive Disorder Symptoms and their Association with Trichotilomania, Tic and Body Dysmorphic Disorders

Background: Obsessive-compulsive disorder (OCD) symptoms and the related disorders are subsumed under chronic psychiatric disorders which are of psychosocial and therapeutic importance. In most studies, the mean age of onset of significant OCD symptoms is adolescence period. The aim of this study was to evaluate OCD symptoms, Tic disorder, Body Dysmorphic Disorder (BDD) and Trichotilomania amon...

Cross-Disorder Genetic Analysis of Tic Disorders, Obsessive–Compulsive, and Hoarding Symptoms

Hoarding, obsessive-compulsive disorder (OCD), and Tourette's disorder (TD) are psychiatric disorders that share symptom overlap, which might partly be the result of shared genetic variation. Population-based twin studies have found significant genetic correlations between hoarding and OCD symptoms, with genetic correlations varying between 0.1 and 0.45. For tic disorders, studies examining the...

Comparison of clinical features among youth with tic disorders, obsessive-compulsive disorder (OCD), and both conditions.

The comorbidity of tic disorders (TD) and obsessive-compulsive disorder (OCD) has long been recognized in the clinical literature and appears to be bidirectional, affecting 20-60% of individuals with each disorder. Coffey et al. (1998) found that adults with TD+OCD had a more severe comorbidity profile than adults with OCD or TD alone. This exploratory study in children attempts to evaluate whe...