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Recovery of vestibulo-ocular reflex and gaze disturbance in patients with unilateral loss of labyrinthine function. 1984

M Takahashi, and T Uemura, and T Fujishiro

Vestibulo-ocular reflex (VOR) gain and the ability of gaze fixation were investigated in patients with unilateral loss of labyrinthine function during the time course of compensation (four days to 6 months). A marked directional difference in the VOR gain in the acute stage (0.51 to 0.73 at four days) decreased proportionately to the logarithm of time on rotations to the affected side and to the intact side by an increase and a slight decrease of the gain, respectively. Gaze disturbance, which occurred only on rotations to the affected side, recovered in parallel with the decrease of directional difference in the VOR gain; it was still found at 1 Hz at 6 months. Recovery of gaze disturbance in unilateral lesions seems to be accomplished not only by the change in the VOR gain, but also by intensified amplification of this gain to make up for a low VOR gain.

UI MeSH Term Description Entries
D007758 Ear, Inner The essential part of the hearing organ consists of two labyrinthine compartments: the bony labyrinthine and the membranous labyrinth. The bony labyrinth is a complex of three interconnecting cavities or spaces (COCHLEA; VESTIBULAR LABYRINTH; and SEMICIRCULAR CANALS) in the TEMPORAL BONE. Within the bony labyrinth lies the membranous labyrinth which is a complex of sacs and tubules (COCHLEAR DUCT; SACCULE AND UTRICLE; and SEMICIRCULAR DUCTS) forming a continuous space enclosed by EPITHELIUM and connective tissue. These spaces are filled with LABYRINTHINE FLUIDS of various compositions. Labyrinth,Bony Labyrinth,Ear, Internal,Inner Ear,Membranous Labyrinth,Bony Labyrinths,Ears, Inner,Ears, Internal,Inner Ears,Internal Ear,Internal Ears,Labyrinth, Bony,Labyrinth, Membranous,Labyrinths,Labyrinths, Bony,Labyrinths, Membranous,Membranous Labyrinths
D007839 Functional Laterality Behavioral manifestations of cerebral dominance in which there is preferential use and superior functioning of either the left or the right side, as in the preferred use of the right hand or right foot. Ambidexterity,Behavioral Laterality,Handedness,Laterality of Motor Control,Mirror Writing,Laterality, Behavioral,Laterality, Functional,Mirror Writings,Motor Control Laterality,Writing, Mirror,Writings, Mirror
D008297 Male Males
D008606 Mental Processes Conceptual functions or thinking in all its forms. Information Processing, Human,Human Information Processing
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009799 Ocular Physiological Phenomena Processes and properties of the EYE as a whole or of any of its parts. Ocular Physiologic Processes,Ocular Physiological Processes,Ocular Physiology,Eye Physiology,Ocular Physiologic Process,Ocular Physiological Concepts,Ocular Physiological Phenomenon,Ocular Physiological Process,Physiology of the Eye,Physiology, Ocular,Visual Physiology,Concept, Ocular Physiological,Concepts, Ocular Physiological,Ocular Physiological Concept,Phenomena, Ocular Physiological,Phenomenon, Ocular Physiological,Physiologic Process, Ocular,Physiologic Processes, Ocular,Physiological Concept, Ocular,Physiological Concepts, Ocular,Physiological Process, Ocular,Physiological Processes, Ocular,Physiology, Eye,Physiology, Visual,Process, Ocular Physiologic,Process, Ocular Physiological,Processes, Ocular Physiologic,Processes, Ocular Physiological
D012018 Reflex An involuntary movement or exercise of function in a part, excited in response to a stimulus applied to the periphery and transmitted to the brain or spinal cord.
D003624 Darkness The absence of light. Darknesses
D005133 Eye Movements Voluntary or reflex-controlled movements of the eye. Eye Movement,Movement, Eye,Movements, Eye
D005260 Female Females

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