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Related Concept Videos

The Vestibular System01:29

The Vestibular System

The vestibular system is a set of inner ear structures that provide a sense of balance and spatial orientation. This system is comprised of structures within the labyrinth of the inner ear, including the cochlea and two otolith organs—the utricle and saccule. The labyrinth also contains three semicircular canals—superior, posterior, and horizontal—that are oriented on different planes.
Equilibrium and Balance01:15

Equilibrium and Balance

The inner ear assumes dual functionalities of auditory perception and equilibrium maintenance. The vestibule is the organ responsible for balance. This organ contains mechanoreceptors, specifically hair cells, endowed with stereocilia, which aid in deciphering information regarding the position and motion of our heads. Two intrinsic components, the utricle and saccule, help perceive head position, while the semicircular canals track head movement. Neurological messages initiated in the...
Indirect Motor Pathways01:22

Indirect Motor Pathways

The indirect motor or extrapyramidal pathways originate in the brainstem, the lower portion of the brain that connects it to the spinal cord. They consist of several distinct tracts, each with specialized functions. The four main tracts of the indirect motor pathways are the vestibulospinal tract, the reticulospinal tract, the tectospinal tract, and the rubrospinal tract.
The vestibulospinal tract originates in the vestibular nuclei of the brainstem. The vestibular system detects changes in...
Major Somatic Sensory Pathways01:28

Major Somatic Sensory Pathways

Sensory impulses related to touch, pressure, vibration, and proprioception from various body parts, such as the limbs, trunk, neck, and posterior head, travel to the cerebral cortex through the posterior column-medial lemniscus pathway. The pathway’s name derives from the two white-matter tracts that convey the impulses: the spinal cord's posterior column and the brainstem's medial lemniscus. First-order sensory neurons extend their axons into the spinal cord, forming the posterior columns...

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Related Experiment Video

Updated: Jun 21, 2026

Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction
05:02

Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction

Published on: August 30, 2019

Postural compensation for vestibular loss.

Fay B Horak1

  • 1Department of Neurology, Oregon Health and Science University, Portland, Oregon 97006, USA. horakf@ohsu.edu

Annals of the New York Academy of Sciences
|August 4, 2009
PubMed
Summary
This summary is machine-generated.

Sensory information like vision or light touch, and biofeedback, can compensate for vestibular loss in maintaining balance. Vestibular rehabilitation should leverage these strategies for improved postural control.

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Area of Science:

  • Neuroscience
  • Biomechanics
  • Rehabilitation Science

Background:

  • The vestibulospinal system provides a crucial vertical reference for postural control, especially on unstable surfaces.
  • Loss of vestibular function significantly impacts balance, necessitating compensatory strategies.

Purpose of the Study:

  • To investigate the extent to which remaining sensory information and biofeedback can compensate for vestibular loss in postural equilibrium.
  • To explore how different types of vestibular loss (bilateral vs. unilateral) affect compensatory mechanisms.

Main Methods:

  • Studies involving patients with bilateral and unilateral vestibular loss.
  • Assessing the use of vision, light touch, auditory biofeedback, and vibrotactile biofeedback for postural control.
  • Evaluating trunk sway variability on unstable surfaces and tandem gait ataxia.

Main Results:

  • Vision and light touch can substitute for vestibular input, reducing trunk sway on unstable surfaces.
  • Patients with more complete bilateral vestibular loss sometimes show better compensation than those with partial loss.
  • Unilateral vestibular loss patients who increase reliance on remaining vestibular function perform better.
  • Light touch, auditory, and vibrotactile biofeedback significantly improve postural stability and gait.

Conclusions:

  • Remaining sensory inputs and biofeedback are effective compensatory tools for vestibular loss.
  • Vestibular rehabilitation should incorporate strategies to enhance alternative sensory reliance and practice challenging balance tasks.