Motor Control- Vestibular System

Motor Control- Vestibular System - VestibularSystem...

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Vestibular System Vestibular System
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Specific Functions: o Merry-go-round   gravitational vector. o Space travel and return  3. Illusory angular velocities and accelerations o Bed spins The Vestibular System The Vestibular System General Functions: 1. Contribute to sense of movement and balance. 2. Stabilize vision during head movement.  (VOR) 1. 1. Regulate postural tone.  Regulate postural tone. 
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What Sensations Exist in the  What Sensations Exist in the  Absence of Balance?  Absence of Balance?  Unsteadiness Dizziness Nausea Motion Sickness Vertigo
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Auditory and Vestibular System Similarities Auditory and Vestibular System Similarities
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Utility: - Transduce  angular  accelerations of the head. Dynamic   head tilt Anatomy and Function - 3 perpendicular fluid-filled  canals     1. horizontal  “No”     2. posterior  “Yes”                 3.  anterior /superior  “Don’t know”                   Semicircular Canals Semicircular Canals
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Semicircular canals filled with endolymph.  
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Motor Control- Vestibular System - VestibularSystem...

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