The reliability and validity of traditional taxonomies are limited by arbitrary boundaries
between psychopathology and normality, often unclear boundaries between disorders …

Obsessive–compulsive disorder (OCD) is characterized by repetitive thoughts and
behaviours that are experienced as unwanted. Family and twin studies have demonstrated …

Research shows that there has been a substantial increase in substance use and abuse
during the COVID-19 pandemic, and that substance use/abuse is a commonly reported way …

Objective: OCD is a clinically heterogeneous condition. This heterogeneity has the potential
to reduce power in genetic, neuroimaging, and clinical trials. Despite a mounting number of …

Abstract Background: Hoarding Disorder (HD) is currently under consideration for inclusion
as a distinct disorder in DSM‐5 (1). Few studies have examined comorbidity patterns in …

Objective: We analyze 27 point-prevalent DSM-IV Axis I comorbidities for eating disorder
inpatients. Methods: The sample included 2436 female inpatients treated between January …

Obsessive–compulsive disorder (OCD) encompasses a broad range of symptoms
representing multiple domains. This complex phenotype can be summarized using a few …

Background: Since the publication of the DSM‐IV in 1994, research on obsessive–
compulsive disorder (OCD) has continued to expand. It is timely to reconsider the nosology …

Objective: It is unclear how many people in the community have obsessions and
compulsions and associated levels of interference. It is also unknown what variables predict …

Obsessive–compulsive disorder (OCD) is a clinically heterogeneous disorder characterized
by multiple, temporally stable symptom dimensions. Preliminary functional neuroimaging …