hyperreflexia

[hī′pər-rĭ-flĕksē-ə]
n.
  1. An exaggerated response of the deep tendon reflexes, usually resulting from injury to the central nervous system or metabolic disease.autonomic dysreflexia
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.