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March 8, 1952


JAMA. 1952;148(10):849. doi:10.1001/jama.1952.02930100067019

A diagnosis of hearing loss in children under 3 years of age is often difficult to establish. Hearing tests that are useful in the case of adults are not applicable to such children, because they cannot reliably make their sound perception known. The background of hearing loss in young children is relatively unexplored, particularly in terms of etiology and central nervous disease. According to Marcus and his associates,1 electroencephalography provides a feasible means of measuring hearing acuity in young children at a time when conscious participation is not required. These investigators studied 71 patients in the clinic and by electroencephalograms taken with the patients asleep. It was noted that some children who evinced poor or no speech but good or moderately impaired hearing displayed an unusually high incidence of electroencephalographic evidence of brain damage. Of 53 children with pronounced hearing impairment, 19 had abnormal encephalograms. Electroencephalographic evidence of intracranial disorder

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