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Sensorintegrative dysfunction underlying vestibular disorders after traumatic brain injury: a review
Laura M Franke1, William C Walker, David X Cifu
1Defense and Veterans Brain Injury Center, Richmond, VA 23249, USA. laura.manning3@va.gov
Journal of Rehabilitation Research and Development
|January 24, 2013
Summary
Blast exposure can cause persistent vestibular symptoms due to central nervous system injury. Assessing perceptual functions helps detect central vestibular dysfunction, aiding Veterans with dizziness and balance issues.
Area of Science:
- Neuroscience
- Vestibular System Research
- Traumatic Brain Injury
Background:
- Vestibular symptoms are common after blast exposure, often linked to central nervous system (CNS) injury.
- Existing assessments identify vestibular deficits post-traumatic brain injury (TBI) but may not cover all central vestibular functions.
- Central vestibular circuit damage impacts spatial navigation, balance, and emotional regulation, including anxiety.
Purpose of the Study:
- To evaluate the range of vestibular functions dependent on cerebral structures above the midbrain.
- To assess the role of perceptual functions in identifying CNS involvement in vestibular symptoms.
- To improve the detection of central vestibular dysfunction for better management of Veterans' distress.
Main Methods:
- Review of current methods for assessing the vestibular system after TBI.
- Examination of vestibular deficits following blunt versus blast trauma.
- Focus on higher-level cerebral structures influencing vestibular perception and spatial navigation.
Main Results:
- Current vestibular assessments may not fully capture deficits related to higher CNS structures.
- Perceptual function assessment can help determine the extent of CNS involvement.
- Detecting central vestibular dysfunction offers improved diagnostic confidence.
Conclusions:
- Central vestibular dysfunction is a significant consequence of blast exposure, affecting Veterans.
- Assessing perceptual functions is crucial for identifying CNS involvement in vestibular symptoms.
- Enhanced detection of central vestibular dysfunction will improve care for Veterans experiencing dizziness and balance problems.
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