10.2 Vestibulo-Ocular Reflex (VoR) Terminology Quiz
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Questions and Answers

What is the purpose of the Vestibulo-Ocular Reflex (VoR) as described in the text?

  • To induce motion sickness
  • To maintain visual stability during head movements (correct)
  • To increase imbalance
  • To cause vertigo

    • At what speed does the head movement need to be for the Vestibulo-Ocular Reflex (VoR) to be effective?

  • 85-120 degrees per second (correct)
  • 150-180 degrees per second
  • 30-50 degrees per second
  • 200-250 degrees per second

    • What physiological effect can occur if an impaired individual experiences a loss of gain in the Vestibulo-Ocular Reflex (VoR)?

  • Error signal leading to vertigo (correct)
  • Improved gaze fixation
  • Increased eye movement in the same direction as head movement
  • Reduced vertigo symptoms

    • What does a VOR gain ratio of 1 indicate in healthy individuals?

    <p>Equal eye movement to counter head rotation</p> Signup and view all the answers

    How does the intact cerebellum help in correcting errors in the Vestibulo-Ocular Reflex (VoR) system?

    <p>By allowing the brain to correct for retinal slip errors</p> Signup and view all the answers

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