What brain abnormality may be associated with OCD? Since OCD appears to have a biological abnormality, is a biological treatment most appropriate?

Obsessive Compulsive Disorder (OCD)

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One of the anxiety disorders discussed in Chapter 15 is obsessive-compulsive disorder. Define obsessions and compulsions. What brain abnormality may be associated with OCD? Since OCD appears to have a biological abnormality, is a biological treatment most appropriate? Support your answer with information available in Chapter 16 regarding the PET-scan studies of people taking Prozac or receiving cognitive-behavior therapy with no medication.