Hyper kinetic syndromes such as chorea and athetosis are usually associated with pathological changes in_______________?
Correct answer: B. Basal ganglia complex
- A. Motor areas of cerebral cortex
- B. Basal ganglia complex
- C. Pathways for recurrent collateral inhibition in the spinal cord
- D. Anterior hypothalamus
Explanation
Chorea and athetosis are hyperkinetic movement disorders caused by dysfunction of the basal ganglia circuits, which normally help regulate movement selection and muscle tone. The motor cortex initiates voluntary movement but is not the usual site associated with these syndromes.
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