Choreiform movements typically involve which body regions?

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Study for the Parkinson’s Disease Exam. Engage with detailed flashcards and multiple-choice questions, each offering hints and explanations. Prepare effectively for your exam!

Multiple Choice

Choreiform movements typically involve which body regions?

Explanation:
Choreiform movements are rapid, irregular, involuntary jerks that most prominently involve the face, distal limbs (hands and feet), and the trunk. This distribution reflects dysfunction in basal ganglia circuits that normally inhibit unwanted thalamocortical drive; when inhibition is reduced, these muscles—especially the small, distal and facial muscles—show quick, dance-like movements. The movements are not limited to the mouth or to internal organs, and they do not constrain to proximal limbs alone, so the pattern including face, distal limbs, and trunk best captures chorea.

Choreiform movements are rapid, irregular, involuntary jerks that most prominently involve the face, distal limbs (hands and feet), and the trunk. This distribution reflects dysfunction in basal ganglia circuits that normally inhibit unwanted thalamocortical drive; when inhibition is reduced, these muscles—especially the small, distal and facial muscles—show quick, dance-like movements. The movements are not limited to the mouth or to internal organs, and they do not constrain to proximal limbs alone, so the pattern including face, distal limbs, and trunk best captures chorea.

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