Physiological Maturation of Auditory Function between 3 and 13 years of Age

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Abstract
A group of 70 unselected children aged between 3 and 13 with a normal hearing curve and a normal IQ have been submitted to the following hearing tests; (1) assessment of threshold hearing for pure tones; (2) speech intelligibility scores; (3) adaptation test; (4) fatigue test; (5) Lüscher test; (6) masking pattern with narrow bands of noise; (7) masking of speech by continuous noise; (8) auditory threshold variability. The data obtained from this series of tests are discussed and compared to those previously presented by other investigators. It is confirmed that hearing abilities undergo a marked maturation in children starting at the age of 3 and reach a maximum at various ages (up to 13) according to the type of test employed.