Eggermont J J
Department of Psychology, University of Calgary, Canada.
Acta Otolaryngol. 1992;112(2):197-200. doi: 10.1080/00016489.1992.11665403.
The development and maturation of the human auditory system appears to occur in parallel at all levels from middle ear to cortex. The maturation of evoked potentials from auditory brainstem to auditory cortex can be described by equal percentage changes in equal time periods. This is essentially the exponential growth model with equal maturation rate for each station. The auditory nerve maturation occurs at a rate considerably faster than that for more central parts of the nervous system. Premature birth does not seem to affect the maturation rate and time to maturity of the auditory brainstem potentials, so that experience does not seem to affect physiological maturation. However, there is a clear difference in maturation rates for different frequency regions, suggesting that the time course of structural maturation has an effect. Behavioral changes in hearing threshold show maturation rates similar to the physiological ones for the central nervous system.
人类听觉系统的发育和成熟似乎在从中耳到皮层的所有层面上并行发生。从听觉脑干到听觉皮层的诱发电位成熟情况可以用相同时间段内相同百分比的变化来描述。这本质上是每个部位成熟速率相等的指数增长模型。听神经的成熟速度比神经系统更中枢部分的成熟速度要快得多。早产似乎并不影响听觉脑干电位的成熟速率和成熟时间，因此经验似乎并不影响生理成熟。然而，不同频率区域的成熟速率存在明显差异，这表明结构成熟的时间进程有影响。听力阈值的行为变化显示出与中枢神经系统生理成熟相似的成熟速率。
