What is the role of CNS in disequilibrium?

Updated: Mar 13, 2017
  • Author: Hesham M Samy, MD, PhD; Chief Editor: Robert A Egan, MD  more...
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Answer

Upright balance and posture control are not a single physiologic function; they include visual, vestibular, and proprioceptive sensory inputs. During ambulation, the CNS must instantly integrate these inputs and execute appropriate motor plans and purposeful output via an adequate musculoskeletal system. This intricate system changes with age and disease-related decline in any of these systems. For example, bilateral vestibular failure is a contributor in one fourth of elderly patients with disequilibrium. Untreated BPPV can be a risk factor for falls.


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