Properties of Vestibulo-ocular and/or Vestibulocollic Neurons in the Cat
Properties of Vestibulo-ocular and/or Vestibulocollic Neurons in the Cat
The vestibulo-ocular reflexes help to stabilize the visual image on the retina, and the vestibulocollic (vestibular neck) reflexes play a role in restoring the head position in space during head movements. The vestibular nucleus neurons play a crucial role in both reflex pathways. It was observed that individual vestibular relay neurons receive inputs from two to three semicircular canal pairs, or from canals and otolith organs, when natural stimuli were applied in alert cats. However, according to observations in anesthetized cats, it has been considered that the primary afferent fibers from each semicircular canal have their own target neurons in the vestibular nuclei.
Keywords: vestibulo-ocular reflexes, vestibulocollic reflexes, head position, semicircular canal pairs, cats, primary afferent fibers, vestibular nuclei
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