The rigidity seen in Parkinson’s disease is due to
Correct Answer: Increased sensitivity of stretch reflex.
Description: (D) Increased sensitivity of stretch reflex. > The hypokinetic features of Parkinson's disease are akinesia and bradykinesia, and the hyperkinetic features are rigidity and tremor. The absence of motor activity and the difficulty in initiating voluntary movements are striking.
Category:
Physiology
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