🧠 Vestibular Rehabilitation After Concussion: Balance, Vision, and Sensory Recovery in Traumatic Brain Injury

Integrating Balance, Vision, and Sensory Processing in Traumatic Brain Injury Recovery

Traumatic brain injury (TBI) and concussion frequently disrupt the brain's ability to integrate sensory information necessary for balance, spatial orientation, and visual stability. Individuals recovering from concussion often report dizziness, motion sensitivity, visual strain, difficulty concentrating, and intolerance to busy environments. These symptoms commonly reflect dysfunction within the vestibular system and its interaction with visual and sensory networks.

Vestibular rehabilitation has emerged as a key intervention in post concussion recovery, particularly for patients with persistent dizziness, imbalance, or sensory sensitivity. At practices such as Neuroplastic Rehab in Metro Detroit, clinicians increasingly incorporate vestibular assessment and vision based interventions to address these complex impairments in individuals recovering from traumatic brain injury.

This article reviews the neurophysiology of vestibular dysfunction following concussion, current concussion testing approaches, the role of prism lenses, and the importance of integrated sensory rehabilitation.

Vestibular Dysfunction Following Concussion

The vestibular system, located in the inner ear, provides critical information regarding head movement, spatial orientation, and balance. Vestibular input is integrated with visual and somatosensory signals in the brainstem, cerebellum, and cortical regions to maintain postural stability and coordinate eye movements.

After concussion or mild traumatic brain injury, disruption of these networks can impair the brain's ability to process sensory input efficiently. As a result, patients may experience:

• Dizziness or vertigo

• Blurred or unstable vision

• Motion sensitivity

• Postural instability

• Difficulty navigating complex environments

  
  

Vestibular and ocular motor dysfunction is highly prevalent after concussion. Research suggests that approximately 60-90% of individuals with concussion demonstrate vestibular or ocular motor abnormalities during clinical testing. Persistent vestibular dysfunction is also associated with prolonged recovery times and increased symptom burden following traumatic brain injury. (Kontos et al., 2017; Mucha et al., 2014; Reneker et al., 2017). Because vestibular symptoms can significantly impair daily function, targeted evaluation and rehabilitation are essential components of comprehensive concussion care.

Vestibular and Balance Testing in Concussion Assessment

A major challenge in concussion management is the absence of a single objective diagnostic test. Most concussion evaluations rely on a combination of clinical examination, symptom reporting, cognitive screening, and functional testing.

Vestibular and balance assessments provide important objective indicators of neurological impairment.

Postural Stability and Sway Testing

Postural control requires coordinated integration of vestibular, visual, and proprioceptive information. Concussion can impair this integration, leading to increased body sway and instability.

Common clinical balance assessments include:

• Standing balance under altered sensory conditions

• Sway testing during quiet standing

• Tandem stance and single leg stance

• Head movement during standing balance

The Balance Error Scoring System and other sway measurements are frequently used to detect postural instability following concussion (Guskiewicz et al., 2001; Valovich McLeod et al., 2012).

In clinical vestibular rehabilitation programs, therapists may also evaluate dynamic tasks such as:

• Bending down and returning to standing

• Turning the head during walking

• Stepping with eyes closed

• Maintaining balance while performing visual tasks

These activities help identify real world triggers of dizziness and imbalance.

Vestibular Ocular Motor Screening

One of the most widely used tools for identifying vestibular and visual dysfunction after concussion is the Vestibular Ocular Motor Screening (VOMS) assessment. The VOMS evaluates how the vestibular system coordinates with eye movements during several tasks.

Testing domains include:

• Smooth pursuit eye tracking

• Horizontal and vertical saccades

• Near point of convergence

• Vestibulo ocular reflex testing

• Visual motion sensitivity

Research demonstrates that symptom provocation during VOMS testing is strongly associated with concussion. In one study, 61% of concussed individuals experienced symptom provocation during at least one VOMS component.

Additional research has shown that VOMS scores are independently associated with concussion symptom severity and may help predict recovery trajectories. When combined with traditional concussion screening tools, the VOMS significantly improves diagnostic accuracy.

Despite these advantages, VOMS testing still relies partly on patient reported symptom ratings such as dizziness, nausea, or headache. As a result, clinicians must interpret results within the context of a broader clinical evaluation.

Limitations of Current Concussion Testing

Although concussion assessment tools have improved over the past decade, several limitations remain. Many screening methods depend heavily on subjective symptom reporting. Patients may unintentionally underreport symptoms due to lack of awareness or difficulty recognizing subtle neurological changes. In other cases, individuals may intentionally minimize symptoms in order to return to work or athletic activity sooner. This limitation highlights the importance of combining subjective reports with objective clinical testing.

Standard concussion evaluations often include:

• Symptom checklists

• Balance testing

• Cognitive screening

• Vestibular ocular motor testing

• Neurological examination

While these methods provide valuable information, researchers continue to explore more objective diagnostic approaches.

Emerging Neuroimaging Approaches

Advanced neuroimaging techniques are increasingly being studied as potential tools for detecting brain injury following concussion.

Examples include:

• Electroencephalography (EEG)

• Functional magnetic resonance imaging (fMRI)

• Positron emission tomography (PET)

These technologies can detect abnormalities in brain metabolism, neural connectivity, or electrical activity following traumatic brain injury. However, advanced imaging remains limited in clinical use due to cost, accessibility, and inconsistent insurance coverage. As a result, clinical evaluation and functional testing remain the primary methods for diagnosing and managing concussion.

The Role of Prism Glasses in Post Concussion Vision Dysfunction

Visual disturbances are extremely common after concussion. Patients frequently report:

• Double vision

• Eye strain

• Difficulty focusing

• Visual motion sensitivity

• Spatial disorientation

In some cases, clinicians prescribe prism lenses to address visual alignment issues or visual midline shift. Prism lenses bend light entering the eye, shifting the perceived location of objects. This optical adjustment can temporarily improve visual alignment and reduce symptoms such as diplopia or spatial disorientation.

However, prisms are typically considered a compensatory intervention rather than a permanent treatment. Many neurorehabilitation specialists utilize prism lenses as a bridge while addressing the underlying neurological dysfunction through vision therapy and vestibular rehabilitation. Clinics such as Neuroplastic Rehab in Metro Detroit frequently integrate visual rehabilitation and vestibular therapy to retrain sensory integration rather than relying solely on optical compensation.

Vestibular, Visual, and Auditory Sensory Integration

One of the most complex aspects of concussion recovery is the interaction between sensory systems. The brain constantly integrates information from multiple sources:

• Vestibular input from the inner ear

• Visual input from the eyes

• Auditory input from the environment

• Proprioceptive feedback from muscles and joints

  
  

When one sensory system becomes impaired, the brain may compensate by relying more heavily on another. For example:

• Visual motion may provoke dizziness when vestibular processing is impaired

• Loud environments may worsen cognitive fatigue and sensory overload

• Reducing visual or auditory input may temporarily improve balance

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Experimental research has demonstrated that vestibular stimulation can influence perception in other sensory systems, highlighting the cross modal integration occurring within the brain. This sensory interaction explains why individuals with post concussion syndrome may experience both visual sensitivity and auditory hypersensitivity in busy environments such as grocery stores, crowded workplaces, or driving conditions.

Vestibular Rehabilitation

Vestibular rehabilitation therapy is an evidence-based treatment approach designed to restore sensory integration and improve functional stability. Vestibular therapy programs typically include:

• Gaze stabilization exercises

• Vestibulo-ocular reflex training

• Head movement tolerance training

• Postural control and balance retraining

• Gradual exposure to visually complex environments

  
  

These exercises stimulate neuroplasticity within vestibular pathways and improve the brain's ability to integrate sensory input. Multiple studies have demonstrated that vestibular rehabilitation can significantly reduce dizziness, improve balance, and accelerate recovery following concussion (Alsalaheen et al., 2010; Schneider et al., 2014; Reneker et al., 2017). At specialized neurological rehabilitation clinics such as Neuroplastic Rehab in Metro Detroit, vestibular rehabilitation is often integrated with cognitive and functional occupational therapy to address the broader impact of traumatic brain injury on daily activities and participation.

Clinical Implications for Traumatic Brain Injury Rehabilitation

For individuals recovering from concussion or traumatic brain injury, vestibular dysfunction often plays a significant role in persistent symptoms.

Comprehensive rehabilitation should include:

• Vestibular assessment

• Visual and oculomotor evaluation

• Balance testing

• Functional mobility assessment

• Environmental and sensory analysis

  
  

Addressing these systems simultaneously allows clinicians to better understand the underlying drivers of dizziness, visual instability, and sensory overload. Through targeted therapy interventions, the brain can gradually reorganize and restore more efficient sensory processing.

Conclusion

Vestibular dysfunction is a common and often under recognized contributor to persistent symptoms following concussion and traumatic brain injury. While concussion diagnosis continues to rely on a combination of subjective and objective clinical measures, vestibular testing such as the Vestibular Ocular Motor Screening provides valuable insight into sensory integration deficits. Emerging imaging technologies may further improve diagnostic precision in the future. However, rehabilitation remains the cornerstone of recovery. Vestibular rehabilitation, vision therapy, and sensory integration interventions can harness neuroplasticity to improve balance, visual stability, and overall functional performance. Clinics specializing in neurological rehabilitation, such as Neuroplastic Rehab serving the Metro Detroit region, play an important role in providing evidence-based interventions for individuals recovering from traumatic brain injury and post-concussion syndrome.

References

Alsalaheen, B. A., Whitney, S. L., Marchetti, G. F., Furman, J. M., Camiolo Reddy, C. E., & Sparto, P. J. (2010). Vestibular rehabilitation for dizziness and balance disorders after concussion. Journal of Neurologic Physical Therapy, 34(2), 87 to 93. https://doi.org/10.1097/NPT.0b013e3181dde568

Collins, M. W., Kontos, A. P., Reynolds, E., Murawski, C., & Fu, F. H. (2014). A comprehensive, targeted approach to the clinical care of athletes following sport related concussion. Knee Surgery, Sports Traumatology, Arthroscopy, 22(2), 235 to 246. https://doi.org/10.1007/s00167-013-2791-6

Guskiewicz, K. M. (2003). Assessment of postural stability following sport related concussion. Current Sports Medicine Reports, 2(1), 24 to 30.

Guskiewicz, K. M., Ross, S. E., & Marshall, S. W. (2001). Postural stability and neuropsychological deficits after concussion in collegiate athletes. Journal of Athletic Training, 36(3), 263 to 273.

Kontos, A. P., Deitrick, J. M., & Reynolds, E. (2017). Mental health implications and consequences following sport related concussion. British Journal of Sports Medicine, 51(12), 872 to 877. https://doi.org/10.1136/bjsports-2016-097231

Mucha, A., Collins, M. W., Elbin, R. J., Furman, J. M., Troutman Enseki, K., DeWolf, R. M., Marchetti, G., & Kontos, A. P. (2014). A brief vestibular ocular motor screening assessment to evaluate concussions. The American Journal of Sports Medicine, 42(10), 2479 to 2486. https://doi.org/10.1177/0363546514543775

Reneker, J. C., Cheruvu, V. K., Yang, J., Cook, C. E., & James, M. A. (2017). Physical examination and clinical assessment of concussion. Physical Therapy, 97(4), 452 to 463. https://doi.org/10.1093/ptj/pzx004

Schneider, K. J., Meeuwisse, W. H., Nettel-Aguirre, A., Barlow, K., Boyd, L., Kang, J., Schneider, G. M., Emery, C. A., & McCrory, P. (2014). Cervicovestibular rehabilitation in sport related concussion: A randomized controlled trial. British Journal of Sports Medicine, 48(17), 1294 to 1298. https://doi.org/10.1136/bjsports-2013-093267

Valovich McLeod, T. C., Hale, T. D., & Julian, R. (2012). Balance improvements in female high school basketball players after a 6 week neuromuscular training program. Journal of Sport Rehabilitation, 21(2), 113 to 121.

Broglio, S. P., Collins, M. W., Williams, R. M., Mucha, A., & Kontos, A. P. (2015). Current and emerging rehabilitation for concussion: A review of the evidence. Clinical Sports Medicine, 34(2), 213 to 231. https://doi.org/10.1016/j.csm.2014.12.005

Ellis, M. J., Cordingley, D., Vis, S., Reimer, K., Leiter, J., & Russell, K. (2015). Vestibulo ocular dysfunction in pediatric sports related concussion. Journal of Neurosurgery: Pediatrics, 16(3), 248 to 255. https://doi.org/10.3171/2015.1.PEDS14524

Hoffer, M. E., Balough, B. J., & Gottshall, K. R. (2010). Posttraumatic balance disorders. International Tinnitus Journal, 16(1), 69 to 72.

Hoffer, M. E., Gottshall, K. R., Moore, R., Balough, B. J., & Wester, D. (2004). Characterizing and treating dizziness after mild head trauma. Otolaryngology Head and Neck Surgery, 131(6), 919 to 925. https://doi.org/10.1016/j.otohns.2004.02.030

Maskell, F., Chiarelli, P., & Isles, R. (2006). Dizziness after traumatic brain injury. American Journal of Physical Medicine and Rehabilitation, 85(7), 619 to 628. https://doi.org/10.1097/01.phm.0000223226.21868.2f

Smith, D. H., Johnson, V. E., & Stewart, W. (2013). Chronic neuropathologies of single and repetitive traumatic brain injury. Nature Reviews Neurology, 9(4), 211 to 221. https://doi.org/10.1038/nrneurol.2013.29

Bigler, E. D. (2013). Neuroimaging biomarkers in mild traumatic brain injury. Neuropsychology Review, 23(3), 169 to 209. https://doi.org/10.1007/s11065-013-9237-2

Slobounov, S., Gay, M., Zhang, K., Johnson, B., Pennell, D., Sebastianelli, W., Horovitz, S., & Hallett, M. (2012). Alteration of brain functional network at rest and in response to YMCA physical stress test in concussed athletes. Brain Imaging and Behavior, 6(2), 249 to 262. https://doi.org/10.1007/s11682-011-9130-0

Giza, C. C., & Hovda, D. A. (2014). The new neurometabolic cascade of concussion. Neurosurgery, 75(Supplement 4), S24 to S33. https://doi.org/10.1227/NEU.0000000000000505

Kraus, M. F., Susmaras, T., Caughlin, B. P., Walker, C. J., Sweeney, J. A., & Little, D. M. (2007). White matter integrity and cognition in chronic traumatic brain injury. Brain, 130(10), 2508 to 2519. https://doi.org/10.1093/brain/awm216

Shumway Cook, A., & Woollacott, M. H. (2017). Motor control: Translating research into clinical practice (5th ed.). Wolters Kluwer.