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The Head-Neck Sensory Motor System$
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Alain Berthoz, Werner Graf, and P. P. Vidal

Print publication date: 1992

Print ISBN-13: 9780195068207

Published to Oxford Scholarship Online: March 2012

DOI: 10.1093/acprof:oso/9780195068207.001.0001

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Control of Head Stability and Gaze during Locomotion in Normal Subjects and Patients with Deficient Vestibular Function

Control of Head Stability and Gaze during Locomotion in Normal Subjects and Patients with Deficient Vestibular Function

Chapter:
(p.568) Chapter 91 Control of Head Stability and Gaze during Locomotion in Normal Subjects and Patients with Deficient Vestibular Function
Source:
The Head-Neck Sensory Motor System
Author(s):

Osric S. King

Scott H. Seidman

R. John Leigh

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780195068207.003.0091

Rotational perturbations during locomotion are the major threat to clear vision. These perturbations lead to the evolution of the vestibulo-ocular reflex. This study aims to determine the nature of rotational head perturbations that occur during locomotion that could interfere with vision. The study involves measuring and comparing the velocity and frequency of vigorous head rotations with those perturbations that occur during locomotion. The stability of the head during walking and running in place is discussed in this chapter. The results also provide guidelines of what stimuli to be applied in testing patients with vestibular disorders. Another finding from the results is that there is randomness in the rotational perturbations that occur during locomotion.

Keywords:   deficient vestibular function, head perturbations, locomotion, vestibular disorders, velocity

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