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Temporal analysis in children.

This study investigated the development of temporal resolution as a function of frequency region using a modified masking period pattern paradigm. This paradigm also allowed age-dependent comparisons of within-channel (temporal resolution) versus across-channel (comodulation masking release [CMR]) processing of temporal information to be made in the same listeners. The results indicated that temporal resolution improves with age. At low frequencies, this improvement continues beyond 10 years of age, whereas at high frequencies performance approaches adult levels by about age 6. Although it is reasonable to expect an association between CMR and temporal acuity, the measure of CMR did not show a significant age effect. The possibility was raised that the poorer temporal resolution of children may not reflect simply a deficiency in peripheral processing of temporal information.