Vertigo Test

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Vertigo Test

Vestibular and Balance Assessment and Rehabilitation Services

Common symptoms of Vertigo:

  • Nystagmus
  • involuntary movements of the eyes
  • Visual disturbances
  • Vertigo
  • perception of the self or room spinning
  • Dizziness
  • Lightheadedness, faint-like sensation
  • Imbalance or unsteadiness
  • Gaze Instability
  • Coordinating eye and head movements

Balance is a result of fine and precise co-ordination between:

  1. The vestibular system (located in the Inner ear, near the cochlea)
  2. The visual receptors (the Eyes)
  3. Peripheral Nervous system (the Spinal cord)
  4. Central Nervous System (the Brain)

Where the vestibular system is responsible for sensing motion of the head, for maintaining postural control and stability of images on the retina during any motion.
When functioning normally, the vestibular receptors in the inner ear provide amazing precision in the representation of head motion in three dimensions with the help of its three semicircular canals – Horizontal, Anterior, and Posterior semicircular canals.
These canals respond to angular as well as linear acceleration with respect to each other and help with the resultant eye/ head movement to maintain gaze or posture.

The above-mentioned systems help generate the following reflexes, which maintain balance in unison:


  1. Vestibulo- Ocular Reflex– generates compensatory eye movements, in the direction opposite to head rotation
  2. Vestibulo- Spinal Reflex– responds to acceleration causing an upper and/or lower limb response
  3. Vestibulo- Colic Reflex – detects the change in gravity and moves the head in the opposite direction, in order to maintain horizontal gaze

The vestibular/ balancing system in the human body not just detect head movement across velocity and acceleration but also help motor responses to see the challenges of a particular motion.
It is a complex system indeed and hence knowledge of this information is critical to help the clinician develop better, more accurate evaluation and treatment strategies to address the various disorders of balance.

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