Kramer M B, Green D, Guitar B
University of Vermont.
J Commun Disord. 1987 Oct;20(5):379-90. doi: 10.1016/0021-9924(87)90026-8.
Ten stutterers and ten nonstutterers, matched for sex, were tested for Masking Level Differences (MLDs) at 500 Hz, and were evaluated on the Synthetic Sentence Identification test with Ipsilateral Competing Message (SSI-ICM) under message-to-competition ratios (MCRs) of 0, -10, and -20 dB. No significant differences on the SSI-ICM task were seen between groups, but the stutterers did produce significantly (p less than .01) poorer MLDs than the nonstutterers. This may be interpreted as support for Kent's (1983) hypothesis that stutterers may be poorer at temporal processing. In addition, the present results support the concept of a continuum of auditory processing ability, with normals and stutterers of different degrees of disfluency revealing decreasing performance measures.
选取了十名口吃者和十名非口吃者，他们在性别上相互匹配，接受了500赫兹的掩蔽级差（MLD）测试，并在消息与竞争比（MCR）分别为0分贝、-10分贝和-20分贝的情况下，接受了同侧竞争消息的合成句子识别测试（SSI-ICM）评估。两组在SSI-ICM任务中未观察到显著差异，但口吃者的MLD明显（p小于0.01）比非口吃者差。这可以被解释为支持肯特（1983年）的假设，即口吃者在时间处理方面可能较差。此外，目前的结果支持听觉处理能力连续体的概念，正常人和不同程度不流畅的口吃者的表现指标逐渐降低。
