Hyperreflexia (or hyper-reflexia) is defined as overactive or overresponsive reflexes. Examples of this can include twitching or spastic tendencies, which are indicative of upper motor neuron disease as well as the lessening or loss of control ordinarily exerted by higher brain centers of lower neural pathways (disinhibition). See Autonomic dysref...
(hyper- + reflex + -ia) exaggeration of reflexes.
<clinical sign, neurology> Exaggeration of reflexes. ... (18 Nov 1997) ... 
(hi″pәr-re-flek´se-ә) exaggeration of reflexes, sometimes due to excessive activity of the sympathetic nervous system; see also autonomic dysreflexia. detrusor hyperreflexia the occurrence of unstable bladder contractions in the presence of known neurological disease; se...
An abnormal, increased action of the reflexes; a reaction of the autonomic (involuntary) nervous system to over-stimulation
exaggeration of reflexes
Type: Term Pronunciation: hī′pĕr-rē-flek′sē-ă Definitions: 1. Exaggeration of the deep tendon reflexes; may be generalized, regional, or focal.