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Using Video-oculography for Galvanic Evoked Vestibulo-ocular Monitoring in Comatose Patients by Hans-Georg Schlosser; Andreas Unterberg; Andrew Clarke is a Neuroscience article available to read on EtoBox.

What is Using Video-oculography for Galvanic Evoked Vestibulo-ocular Monitoring in Comatose Patients about?

Binocular eye movement responses to galvanic vestibular stimulation were measured in comatose patients. Healthy persons have been demonstrated to show a consistent and reproducible relationship between eye movement and galvanic vestibular stimulation. Any pathology of the vestibular integrating structures (brainstem and to some degree the cerebellum and cortex) is assumed to influence this response pathognomonically. A monitoring facility was designed to record eye movements during galvanic labyrinth polarization (GaLa) in order to examine the vestibular response in comatose patients. GaLa was applied by means of two pairs of electrodes attached between the mastoid and interscapular region. A custom-built, battery-driven current-source stimulator served to generate sinusoidal stimuli that could be applied either unilaterally or simultaneously and independently to the left and right labyrinths. The resultant binocular eye movements were recorded using a Chronos Eye Tracker and the digital image sequences stored for subsequent analysis. Repeated testing was performed in five comatose patients with a Glasgow Coma Score of 3, who were intubated and ventilated (subarachnoid hemorrhage (

Who reads Using Video-oculography for Galvanic Evoked Vestibulo-ocular Monitoring in Comatose Patients?

Author

Hans-Georg Schlosser; Andreas Unterberg; Andrew Clarke

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0165-0270)

Published

2005

Language

EN

Field

Neuroscience (Life Sciences)