Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Symptom cascade in persons susceptible to acrophobia and visual height intolerance, the vicious circle or circulus vitiosus. Anxious concentration on control of postural stability triggers co-contraction of the anti-gravity muscles, thereby causing an increased sensitivity of sensorimotor balance reflexes and a rigid regulation of body sway. This leads to subjective imbalance, which in turn enhances anxious control of posture
(modified from [54])
