Grauer R A, Dunn B E
J Aud Res. 1980 Apr;20(2):97-106.
Two experiments were performed to study perstimulatory auditory "central fatigue." In Exper. I, Ss tracked threshold for 13 min at .3, .6, 1,2,3, or 4 kc/s while being stimulated in the contralateral ear by a .5-kc/s tone at 75 db SPL. Bekesy tracings showed a significantly rising threshold at 2, 3, and 4 kc/s. In Exper. II, Ss tracked threshold for 13 min of a 3-kc/s pulsed tone while a .5-kc/s tone pulsed simultaneously at 75 db SPL in the contralateral ear. Results from previous central-masking research would predict an enhanced effect, while results from ipsilateral fatigue studies would predict a much reduced effect. The data showed virtually no effect at all, thus supporting a fatigue hypothesis.
进行了两项实验来研究刺激期间的听觉“中枢疲劳”。在实验一中，受试者在0.3、0.6、1、2、3或4千赫/秒的频率下跟踪阈值13分钟，同时对侧耳受到75分贝声压级的0.5千赫/秒纯音刺激。贝凯西描记图显示，在2、3和4千赫/秒时阈值显著上升。在实验二中，受试者跟踪3千赫/秒脉冲音的阈值13分钟，同时对侧耳有75分贝声压级的0.5千赫/秒脉冲音。先前中枢掩蔽研究的结果预测会有增强效应，而同侧疲劳研究的结果预测效应会大大降低。数据显示几乎没有任何效应，从而支持了疲劳假说。
