focal symptom


Also found in: Dictionary, Thesaurus, Encyclopedia.

focal symptom

A symptom caused by a lesion to a specific body part or a particular location in the central or peripheral nervous system.
Synonym: local symptom
See also: symptom
References in periodicals archive ?
The vascular theory posits that migraine is caused by dilatation and constriction of blood vessels, in which the pain is due to pressure of the blood vessels exerted on pain-sensitive structures and the focal symptoms are caused by ischemia.
Clinically relevant observations suggested the stroke scale was more effective in the assessment of focal symptoms. Qualitative content analysis of nursing notes also provided insight into clinical findings not captured on either scale regarding generalized changes such as restlessness, impulsiveness, and unusual behavior.