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Manuel Don, PhD; Robert I. Kohut, MD

JAMA. 1975;234(8):823.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

THE NEED for objective procedures to test auditory function in infants, children, and adults has long been recognized. The search for objective measures to augment and replace standard audiological methods requiring subjective responses has led to the development and use of electrodermal, electroencephalic (cortex-evoked response), electrocochleographic, and impedance audiometry.^1-4 The electrodermal or galvanic skin response (GSR) audiometric technique has been generally abandoned because of the "... unspecificity of the stimulus and the resulting inaccuracy of the response"⁵ and the hazards of passing electrical currents through the body.¹ Current techniques utilizing the other three methods provide either limited information or information that is often difficult to interpret.

Recently, new objective audiometric procedures have been introduced. One procedure is a slight modification of the electroencephalic or cortex-evoked response method. Instead of measuring the long-latency potentials (generally more than 50 msec after stimulus onset) recorded from cortical areas, measurements are taken . . . [Full Text PDF of this Article]

Author Affiliations
Irvine, Calif

From the Department of Ophthalmology, California College of Medicine, University of California, Irvine.

Footnotes
Reprint requests to Department of Surgery, Division of Otolaryngology, University of California, Irvine, CA 92664 (Dr Kohut).

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