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Related Concept Videos

Traumatic Brain Injury l: Introduction01:28

Traumatic Brain Injury l: Introduction

DefinitionTraumatic brain injury, or TBI, is a disturbance of normal brain function induced by an external mechanical force, such as a direct blow to the head or a penetrating injury. It can affect both brain structure and function, producing a wide range of clinical outcomes. TBI is a heterogeneous condition, meaning its effects may differ based on the type, location, and severity of the injury.Basis of ClassificationTBI is classified based on severity, injury mechanism, or pathophysiology. In...
Increased Intracranial Pressure ll: Pathophysiology01:29

Increased Intracranial Pressure ll: Pathophysiology

Increased intracranial pressure (ICP) refers to a potentially life-threatening rise in pressure inside the skull. This usually happens when there is a major change in the volume of brain tissue, blood, or cerebrospinal fluid (CSF) — the three components inside the skull. According to the Monro-Kellie doctrine, if the volume of one component increases, the volumes of the other components must decrease to maintain normal pressure. If this does not happen, ICP rises.The process often begins with...

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Related Experiment Video

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Computerized Dynamic Posturography for Postural Control Assessment in Patients with Intermittent Claudication
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Moving Sounds Increase Postural Visual Dependence in Adults With Chronic Traumatic Brain Injury.

Daniel Humphrey1, Jennifer Kelly, Emily R Rosario

  • 1Casa Colina Research Institute, Casa Colina Hospital and Centers for Healthcare, Pomona, California (D.H., E.R.R., T.K.J.); Vestibular Rehabilitation, New York Eye and Ear Infirmary of Mount Sinai, New York, New York (J.K.); Department of Otolaryngology-Head and Neck Surgery, Icahn School of Medicine at Mount Sinai, New York, New York (J.K.).; Department of Physical Therapy, College Health Sciences, Western University of Health Sciences, Pomona, California (T.K.J.); and Department of Physical Therapy, Steinhardt School of Culture, Education and Human Development, New York University, New York, New York (A.V.L.).

Journal of Neurologic Physical Therapy : JNPT
|May 7, 2025
PubMed
Summary

Head-mounted display (HMD) assessment is safe for evaluating sensory integration and postural control in individuals with chronic traumatic brain injury (TBI). This method reveals differences in responses to visual and auditory cues between TBI patients and healthy individuals.

Keywords:
HTC vivebalancebrain injuryhead mounted displayvirtual reality

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Area of Science:

  • Neuroscience
  • Biomechanics
  • Rehabilitation Science

Background:

  • Chronic traumatic brain injury (TBI) often impairs postural control and sensory integration.
  • Assessing these deficits in TBI populations can be challenging with traditional methods.

Purpose of the Study:

  • To establish the safety and tolerability of head-mounted display (HMD) for assessing sensory integration and postural control in chronic TBI.
  • To compare responses to visual and auditory cues between individuals with TBI and healthy controls.
  • To evaluate the relationship between postural responses, visual dependence, and disability perception in TBI.

Main Methods:

  • A cross-sectional study involving 20 healthy adults and 19 participants with TBI.
  • Utilized an HMD to present visual and auditory perturbations during postural control tasks.
  • Quantified head sway and administered the Simulator Sickness Questionnaire (SSQ) and Dizziness Handicap Inventory (DHI).

Main Results:

  • HMD assessment was well-tolerated, with slightly higher simulator sickness scores in the TBI group post-assessment.
  • Participants with TBI exhibited greater head sway, particularly with dynamic visual stimuli.
  • A significant interaction indicated that TBI participants' mediolateral sway was more influenced by visual cues when auditory cues were also present.

Conclusions:

  • HMD assessment is a feasible and safe method for evaluating postural control and visual dependence in individuals with chronic TBI.
  • This technology offers potential for objective clinical assessment and progress monitoring in TBI rehabilitation.