Electronystagmography

1 December 1966

journal article
research article
Published by American Medical Association (AMA) in JAMA Otolaryngology–Head & Neck Surgery

Vol. 84 (6) , 638-640
https://doi.org/10.1001/archotol.1966.00760030640009

Abstract

ELECTRONYSTAGMOGRAPHY (ENG) is not new, but has been used for more than 40 years, since described by Schott in 1922.¹Initially used by ophthalmologists, the technique was used extensively by otolaryngologists in Europe and to a lesser extent in the United States. A new impetus was given by the recommended and very important monograph of the Swedish authors, Aschan et al in 1956.²This paper advocated the use of the technique for routine clinical vestibular examination, and has triggered an increased interest, which is now felt in many parts of America. The classical technique utilizes the corneo-retinal potential, which in humans is produced by a positive charge on the cornea and a negative charge on the retina. This potential varies in amplitude from person to person and is affected by factors such as visual acuity and illumination.³If electrodes are placed at the outer canthi of the

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