Abstract

Obsessive-compulsive disorder (OCD) is considered to be one of the more common serious mental disorders, with a prevalence rate of about 1% (Heyman et al. 2006). It is characterized by obsessions, or compulsions, or both. According to the DSM-IV (American Psychiatric Association 1994), obsessions are “recurrent and persistent thoughts, impulses, or images that are experienced at some time during the disturbance, as intrusive and inappropriate and that cause marked anxiety or distress.” Compulsions, on the other hand, are repetitive behaviors (e.g., hand washing, ordering, checking) or “mental acts that the person feels driven to perform in response to an obsession, or according to rules that must be applied ..