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| Obsessive-compulsive disorder Obsessive-compulsive disorder (OCD) is a psychiatric disorder, more specifically, an anxiety disorder. OCD is manifested in a variety of forms, but is most commonly characterized by a subject's obsessive (repetitive, distressing, intrusive) thoughts and related compulsions (tasks or rituals) which attempt to neutralize the obsessions. The phrase "obsessive-compulsive" has worked its way into the wider English lexicon, and is often used in an offhand manner to describe someone who is meticulous or absorbed in a cause. Such casual references should not be confused with obsessive-compulsive disorder; see clinomorphism. It is also important to distinguish OCD from other types of anxiety, including the routine tension and stress that appear throughout life. A person who shows signs of infatuation or fixation with a subject/object, or displays traits such as perfectionism, does not necessarily have OCD, a specific and well-defined condition. To be diagnosed with Obsessive-Compulsive Disorder, one must have either obsessions alone or obsessions and compulsions (K. Carter, PSYC 210 lecture, February 14, 2006). The Quick Reference to the diagnostic criteria from DSM-IV-TR (2000) describes these obsessions and compulsions: Obsessions are defined by: 1. 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. 2. The thoughts, impulses, or images are not simply excessive worries about real-life problems. 3. The person attempts to ignore or suppress such thoughts, impulses, or images, or to neutralize them with some other thought or action. 4. The person recognizes that the obsessional thoughts, impulses, or images are a product of his or her own mind. Compulsions are defined by: 1. Repetitive behaviors or mental acts that the person feels driven to perform in response to an obsession, or according to rules that must be applied rigidly. 2. The behaviors or mental acts are aimed at preventing or reducing distress or preventing some dreaded event or situation; however, these behaviors or mental acts either are not connected in a realistic way with what they are designed to neutralize or prevent or are clearly excessive. In addition to these criteria, at some point during the course of the disorder, the sufferer must realize that his/her obsessions or compulsions are unreasonable or excessive. Moreover, the obsessions or compulsions must be time consuming (taking up more than one hour per day), cause distress, or cause impairment in social, occupational, or school functioning (Quick Reference from DSM-IV-TR, 2000). Contents 1 Symptoms and prevalence 2 Causes and related disorders 3 Demographic Features of OCD 4 Treatment 5 Neuropsychiatry 6 OCD in literature and film 7 Famous/celebrity OCD sufferers |