Compensation of vestibular symptoms in hemilabyrinthectomized guinea pigs. Role of the sensorimotor activation

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13 Citations (Scopus)

Abstract

The effect of sensorimotor activation on compensatory rate of vestibular asymmetries after unilateral labyrinthectomy was analyzed in guinea pigs. An intensified sensorimotor activation was obtained by putting in water the animals immediately after the appearance of hemilabyrinthectomy (HL) symptoms. The water-maintained group exhibited a faster dampening of vestibular disturbances in comparison with control animals. Both ocular and postural asymmetries declined to about 50% of peak values after 2-3 h from HL, while in control group the same extent of recovery was achieved in 4-6 h from HL. It is concluded that the generalized activation of the ascending spinal pathways carrying exteroceptive and proprioceptive information to the vestibular nuclei represents a favourable condition for the regainment of ocular and postural balance impaired by HL.

Original languageEnglish
Pages (from-to)335-342
Number of pages8
JournalBehavioural Brain Research
Volume8
Issue number3
DOIs
Publication statusPublished - 1983

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Guinea Pigs
Postural Balance
Vestibular Nuclei
Water
Control Groups

Keywords

  • eye nystagmus
  • guinea pig
  • hemilabyrinthectomy
  • postural deficit
  • sensorimotor activation
  • vestibular compensation

ASJC Scopus subject areas

  • Behavioral Neuroscience

Cite this

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abstract = "The effect of sensorimotor activation on compensatory rate of vestibular asymmetries after unilateral labyrinthectomy was analyzed in guinea pigs. An intensified sensorimotor activation was obtained by putting in water the animals immediately after the appearance of hemilabyrinthectomy (HL) symptoms. The water-maintained group exhibited a faster dampening of vestibular disturbances in comparison with control animals. Both ocular and postural asymmetries declined to about 50{\%} of peak values after 2-3 h from HL, while in control group the same extent of recovery was achieved in 4-6 h from HL. It is concluded that the generalized activation of the ascending spinal pathways carrying exteroceptive and proprioceptive information to the vestibular nuclei represents a favourable condition for the regainment of ocular and postural balance impaired by HL.",
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