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Caudate Nucleus

caudate nucleus

"Anytime you have a change in behavior you have a change in the brain," said UCLA psychiatrist Dr. Lewis Baxter.  "Behavior therapy and drugs appear to rearrange brain circuitry in the same way." Baxter and his colleagues studied the brains of obsessive-compulsive patients with PET (positron emission tomography) scans, a technique that measures the activity of cells in different areas of the brain.  They found that an area called the caudate nucleus was overactive in these patients. The caudate nucleus acts as a gate-keeper that prevents unwanted thoughts from establishing self-reinforcing circuits in the brain.  Like a record stuck in the same groove, unwanted thoughts keep repeating themselves and drive compulsive behavior. Fluoxetine (Prozac) is highly effective in curbing unwanted thoughts through a mechanism...

"Anytime you have a change in ...

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