Age-related changes in auditory temporal processing.
Age-related changes in auditory temporal processing.
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听觉时间处理中与年龄相关的变化。
DOI：
10.1037//0882-7974.4.2.144
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发表时间：
1989
影响因子：
3.7
通讯作者：
Royer,FL
中科院分区：
文献类型：
--
作者：
Robin,DA;Royer,FL
向老年受试者（M 年龄 = 71.3 岁）和年轻受试者（M 年龄 = 22.2 岁）呈现由无声间隔分隔并嵌入背景白噪声中的两个突发音调。受试者需要通过调整第一音的持续时间来判断两种音爆发何时在感知上融合。突发由 4、8、16、24、32 或 40 ms 的 6 个离散刺激间间隔分隔。第二音突发保持恒定在 100 毫秒。融合点定义为两个音融合（被感知为一个）的临界音一持续时间。在每个测试间隔中，老年受试者在关键音一持续时间比年轻受试者更长时达到融合点。与单音持续时间和间隔相关的函数符合指数曲线，并针对响应感觉事件的开始和偏移的神经系统抑制相互作用的指数衰减模型进行讨论。（PsycINFO 数据库记录 (c) 2016 APA，保留所有权利）
Two tone bursts separated by a silent interval and imbedded in a background white noise were presented to elderly subjects (M age= 71.3 years) and young subjects (M age= 22.2 years). Subjects were required to judge when the two tone bursts fused perceptually by adjusting the duration of tone-one. The bursts were separated by six discrete interstimulus intervals of 4, 8, 16, 24, 32, or 40 ms. The tone-two burst was held constant at 100 ms. Fusion point was defined as that critical tone-one duration at which the two tones fused (were perceived as one). Elderly subjects reached fusion point at longer critical tone-one durations than young subjects at each interval tested. The function relating tone-one duration and interval conformed to an exponential curve and is discussed with respect to an exponential decay model of the inhibitory interactions of neural systems responding to onsets and offsets of sensory events.(PsycINFO Database Record (c) 2016 APA, all rights reserved)
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