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The cause of obsessive–compulsive disorder is understood mainly through identifying biological risk factors that lead to obsessive–compulsive disorder (OCD) symptomology. The leading hypotheses propose the involvement of the orbitofrontal cortex , basal ganglia , and/or the limbic system , with discoveries being made in the fields of ...
Drug treatment of OCD may be assumed to affect a proposed functional imbalance between the frontal lobes and other parts of the brain. Serotonin reuptake inhibitors , SRI, especially potent ones given at high doses over long periods of time, are often effective in the treatment of obsessive-compulsive disorder.
Treatment of OCD and anxiety: A major focus of Abramowitz's research is the treatment of OCD. His work primarily addresses exposure and response prevention (ERP; a form of cognitive-behavioral therapy [CBT]) and he has conducted treatment outcome studies and meta-analytic reviews of this therapy.
This is reflected by reduced amygdala and ventral striatum response to positive stimuli, and elevated amygdala response to fearful stimuli. Furthermore, deep brain stimulation of the nucleus accumbens is an effective treatment of OCD, and symptom improvement correlates with reduced binding of dopamine receptors. The reduced binding, due to the ...
Obsessive–compulsive disorder (OCD) is a mental and behavioral disorder in which an individual has intrusive thoughts (an obsession) and feels the need to perform certain routines (compulsions) repeatedly to relieve the distress caused by the obsession, to the extent where it impairs general function.
[2] OCD is a mental disorder characterized by obsessions and/or compulsions. [3] An obsession is defined as "a recurring thought, image, or urge that the individual cannot control". [ 4 ] Compulsion can be described as a "ritualistic behavior that the person feels compelled to perform". [ 4 ]
A 59-year-old Dutch man, known only as Mr. B, had two electrodes implanted in his brain and underwent deep brain stimulation to treat his obsessive-compulsive disorder. He says he came out a ...
When intrusive thoughts occur with obsessive-compulsive disorder (OCD), patients are less able to ignore the unpleasant thoughts and may pay undue attention to them, causing the thoughts to become more frequent and distressing. [7] Attempting to suppress intrusive thoughts often cause these same thoughts to become more intense and persistent. [11]
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