Balance And Vestibular Program Tests and Procedures

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Some of the testing we provide includes:

  • Active Head Rotation (AHR) test:  During this test, a patient moves his head horizontally or vertically at viable speeds while maintaining his visual focus on a fixed target in the front. This test helps to evaluate the patient’s ability to use his vestibulo-ocular reflex (instinctive eye movements in response to head movement) efficiently, in order to maintain visual stability at fast speeds of head movement.

                   
                  Active Head Rotation (AHR) test

  • Caloric test: During this test, a patient's eyes are measured with goggles that have small cameras in them while her outer ear is filled with either warm/cool air or water. This test helps to evaluate how the balance function in the inner ear is working. 
     
  • Dynamic Visual Acuity (DVA) test:  During this test, a patient moves his head to the left or right/up or down at certain speeds while reading an eye chart. This test helps to detect and lateralize any vestibulo-ocular reflex (instinctive eye movements in response to head movement) deficits.
     
  • Electronystagmography (ENG) and Videonystagmography (VNG) tests: During a basic ENG or VNG, a patient wears video goggles and we measure her eye movement while she looks at and follows visual targets. This helps to evaluate how the balance areas of the brain are working.
  • Posturography ("posture platform") test:  During this test, a patient stands on a platform and we measure how stable he is in different conditions (e.g. with his eyes open or closed) and in response to small movements of the platform. This test helps to evaluate the cause of imbalance. 

        
         Posturography test 

  • Rotational chair test:  During this test, a patient sits in a chair in a small dark room, and her eye movements are measured with video goggles while the chair rotates fairly slowly.  This test helps to evaluate how the balance function in the ears is working.

         
         Rotational chair test 

  • Subjective Visual Vertical (SVV) test: During this test, a patient sits in a dark room and uses a remote control to adjust a laser projection line to his perceived horizontal/vertical position. This test is used to evaluate the function of the utricle, another otolith sensor in the inner ear.
     
  • Vestibular Evoked Myogenic Potential (VEMP) test: During this test, a patient sits in a chair and turns her head to certain directions while listening to sounds presented through earphones. Her neck muscle activities are recorded by electrodes placed on her head and neck. This test is primarily used to evaluate the function of the saccule, an otolith sensor in the inner ear.

         
        Vestibular Evoked Myogenic Potential (VEMP) Test

  • Video-Head Impulse Test (vHit):  During this test, a patient wears a glasses-like video goggle and maintains his or her visual focus on a fixed target while the examiner makes some small but quick movements of your head. This test helps to evaluate a patient's vestibular function of all semicircular canals. We use the state-of-the-art device that is non-invasive and well-tolerated by children who can follow basic instructions.

                       
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                     Video-Head Impluse Test (vHit)


  • Visual vestibular interaction test:  During this test, a patient wears video goggles and either rotates slowly and/or looks at different visual patterns or targets. This test helps to evaluate the balance centers in the brain.

Licensed audiologists or trained technicians perform these tests under supervision, then study the results. Once the cause of the vestibular issue has been established, an individualized treatment plan will be developed.

Contact the Balance and Vestibular Program

  • 1-781-216-2799
  • Fax: 781-216-3155
  • Laura Cadman
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- Sandra L. Fenwick, President and CEO
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