Background and Objectives: Obsessive-compulsive disorder (OCD) is a type of anxiety disorder, which can be manifested as comorbidity with other psychological disorders. Prompt diagnosis and treatment of this comorbidity plays an important role in treatment of the main disorder. This study aimed to assess the frequency of OCD in methamphetamine-dependent individuals. <stro...

Introduction: Attention deficit and hyperactivity disorder (ADHD) is a common neurodevelopmental disorder in children and adolescents. Atomoxetine is a non-stimulant drug used in the treatment of ADHD. Case Presentation: In this article, a case of obsessive-compulsive disorder (OCD) which occurred in an 11-year-old boy with an increased dose of atomoxetin...

The risk factors for compulsive exercise are unknown. This study aims to explore longitudinal sociocultural risk factors for compulsive exercise, using a 12-month prospective design. A sample of 332 male and female adolescents (aged 13-15 years at baseline) completed self-report measures of sociocultural risk factors and compulsive exercise at baseline and eating disorder psychopathology and co...

Objectives: Tourette syndrome is a disease with vocal and motor tics. This disorder is co-morbid with many psychiatric disorders, among which obsessive-compulsive disorder is the most common. Methods: During a one-year period, 30 patients with Tourette disorder were studied at an adolescent psychiatry referral clinic. It was an analytical-descriptive study. Subjects were selected by convenie...

BACKGROUND Cognitive models of obsessive-compulsive disorder suggest that changes in obsessive beliefs are a key mechanism of treatments for obsessive-compulsive disorder. Thus, in the present process-outcome study, we tested whether changes in obsessive beliefs during a primarily cognitive behavioral inpatient treatment predicted treatment outcome and whether these changes mediated symptom cha...

Obsessive-compulsive disorder is a severe and disabling clinical condition that usually arises in late adolescence or early adulthood and, if left untreated, has a chronic course. Whether this disorder should be classifi ed as an anxiety disorder or in a group of putative obsessive-compulsive-related disorders is still a matter of debate. Biological models of obsessive-compulsive disorder propo...

BACKGROUND Neurobiologic abnormalities in the thalamus have been implicated in the pathophysiology of obsessive-compulsive disorder. We recently reported increased thalamic volume in treatment-naive pediatric obsessive-compulsive disorder patients versus case-matched healthy comparison subjects that decreased to levels comparable to control subjects after effective paroxetine therapy. To our kn...

A male patient with homosexual obsession in obsessive compulsive disorder shows a better outcome following a combination of pharmacotherapy and psychotherapy. This case report emphasizes the importance of combination therapy in obsessive compulsive disorder with abnormal sexual impulses and behavior.

Intrusive thoughts and compulsive urges to perform stereotyped behaviours are typical symptoms of obsessive-compulsive disorder. Emerging evidence suggests a cognitive bias towards habit formation at the expense of goal-directed performance in obsessive-compulsive disorder. In this study, we test this hypothesis using a novel individualized ecologically valid symptom provocation design: a live ...