Otolaryngologists, audiologists, and psychologists have been greatly concerned to find some simple and reliable way of measuring hearing acuity of young children. If one could evaluate accurately and yet easily the auditory capacities of young children aged under 2-3 years, it would cause a tremendous change not only in medical treatment but also education of the deaf. Quite a few experiments have been made for this purpose, and various methods have been reported, especially in recent years.
Among others, 2 electrophysiological indices have been used to determine the auditory acuity of small children to whom standard audiometry cannot be administered. One of them is electrodermal response, or EDR, and the other is change in the pattern of the electroencephalograph, or EEG. Audiometric procedures which use EDR or EEG are now well known to all who take an interest in this field, and no one denies that these methods represent a
SUZUKI T, OGIBA Y. Conditioned Orientation Reflex Audiometry: A New Technique for Pure-Tone Audiometry in Young Children Under 3 Years of Age. Arch Otolaryngol. 1961;74(2):192–198. doi:10.1001/archotol.1961.00740030197013
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