Cortical Potentials Evoked by Horizontal Rotatory Stimulation: The Effects of Angular Acceleration

Objective - To examine the potentials evoked by rotatory stimulation, which we consider the optimal means of invoking angular acceleration and which may lead to clinical applications in patients with vertigo. Material and Methods - Horizontal rotatory stimulation using a trapezoidal waveform was per...

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Veröffentlicht in:	Acta oto-laryngologica 2003-10, Vol.123 (8), p.923-927
Hauptverfasser:	Kenmochi, Mutsumi, Ohashi, Toru, Nishino, Hirohito, Sato, Shigeki
Format:	Artikel
Sprache:	eng
Schlagworte:	Acceleration Adult Aged angular acceleration Biological and medical sciences Cerebral Cortex - physiopathology cortical potentials Ear, auditive nerve, cochleovestibular tract, facial nerve: diseases, semeiology Electroencephalography Evoked Potentials horizontal rotatory stimulation Humans Male Medical sciences Non tumoral diseases Nystagmus, Physiologic - physiology Otorhinolaryngology. Stomatology Posture - physiology Reaction Time - physiology Rotation Vertigo - physiopathology Vestibule, Labyrinth - physiopathology
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Zusammenfassung:	Objective - To examine the potentials evoked by rotatory stimulation, which we consider the optimal means of invoking angular acceleration and which may lead to clinical applications in patients with vertigo. Material and Methods - Horizontal rotatory stimulation using a trapezoidal waveform was performed with 3 different angular accelerations (20, 15 and 10°/s2) used sequentially, with alternating clockwise and counterclockwise stimulation, to normal subjects and a patient with bilateral loss of vestibular function. Results - It is likely that angular accelerations of
ISSN:	0001-6489 1651-2251
DOI:	10.1080/00016480310000728