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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 ...
Obsessive–compulsive disorder affects about 2.3% of people at some point in their life, with the yearly rate about 1.2%. [6] OCD occurs worldwide. [2] It is unusual for symptoms to begin after the age of 35 and half of people develop problems before 20. [1] [2] Males and females are affected about equally. [1]
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 ...
OCD is often considered a quirk or a helpful personality trait, but it’s more serious and often more debilitating than that, experts say. Here’s what you need to know.
Treatment for intrusive thoughts is similar to treatment for OCD. Exposure and response prevention therapy—also referred to as habituation or desensitization—is useful in treating intrusive thoughts. [21] Mild cases can also be treated with cognitive behavioral therapy, which helps patients identify and manage the unwanted thoughts. [12]
Any damage to the brain can cause a mental disorder. The brain is the control system for the nervous system and the rest of the body. Without it, the body cannot function properly. [71] Increased mood swings, insane behavior, and substance abuse disorders are traumatic brain injury (TBI) examples. Findings on the relationship between TBI ...
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