Wilson R H, Steckler J F, Jones H C, Margolis R H
J Acoust Soc Am. 1978 Sep;64(3):782-91. doi: 10.1121/1.382043.
The characteristics of acoustic reflex adaptation were studied in human subjects. Contralateral stapedial reflex measurements were made by monitoring changes in acoustic conductance and susceptance with a 220-Hz probe. The reflex activators included four tonal stimuli (500, 1000, 2000, and 4000 Hz) and broadband noise presented for 180 s at 96, 104, and 112 dB SPL. The data are presented as change in acoustic admittance and in percent of maximum admittance change. The static admittance of the ear was found to drift systematically toward lower admittance values in the absence of contralateral stimulation. All stimulus conditions demonstrated some reflex adaptation. The half-life and time of onset of adaptation were found to vary directly with intensity and inversely with frequency. The effects of stimulus parameters on the rates of reflex adaptation are discussed. A previously described exponential model of reflex adaptation provided a reasonable first approximation to the data.
在人类受试者中研究了听觉反射适应的特征。通过用220赫兹探头监测声导纳和电纳的变化来进行对侧镫骨肌反射测量。反射激活器包括四个音调刺激（500、1000、2000和4000赫兹）以及在96、104和112分贝声压级下呈现180秒的宽带噪声。数据以声导纳变化和最大导纳变化百分比的形式呈现。发现在没有对侧刺激的情况下，耳朵的静态导纳会系统地朝着更低的导纳值漂移。所有刺激条件都表现出一定程度的反射适应。发现适应的半衰期和开始时间与强度成正比，与频率成反比。讨论了刺激参数对反射适应速率的影响。先前描述的反射适应指数模型为数据提供了合理的初步近似。
