Armson Joy, Kiefte Michael, Mason Jessica, De Croos Dayani
School of Human Communication Disorders, Dalhousie University, 5599 Fenwick Street, Halifax, NS, Canada B3H 1R2.
J Fluency Disord. 2006;31(2):137-52. doi: 10.1016/j.jfludis.2006.04.004. Epub 2006 Jun 5.
The effect of SpeechEasy on stuttering frequency during speech produced in a laboratory setting was examined. Thirteen adults who stutter participated. Stuttering frequencies in two baseline conditions were compared to stuttering frequencies with the device fitted according to the manufacturer's protocol. The fitting protocol includes instructions for deliberate use of vowel prolongation. Relative to the initial baseline condition, stuttering was reduced by 74%, 36%, and 49% for reading, monologue, and conversation, respectively. In comparison, stuttering was reduced by 42%, 30%, and 36%, respectively with the device in place, but before participants were instructed to deliberately prolong vowels. Examination of individual response profiles revealed that although stuttering reduced in the device compared to the baseline conditions during at least one of three speech tasks for most participants, degree and pattern of benefit varied greatly across participants.
The reader will be able to: (1) discuss recent research in altered auditory feedback that led to the development of SpeechEasy, (2) analyze and describe issues related to evaluating the treatment benefits of fluency aids, and (3) summarize the range of outcomes that were observed with SpeechEasy in this study.
研究了SpeechEasy对在实验室环境中讲话时口吃频率的影响。13名口吃成年人参与了研究。将两种基线条件下的口吃频率与按照制造商方案佩戴该设备时的口吃频率进行比较。适配方案包括刻意延长元音的指导。相对于初始基线条件，在阅读、独白和对话中，口吃分别减少了74%、36%和49%。相比之下，在佩戴设备但参与者未被指导刻意延长元音之前，口吃分别减少了42%、30%和36%。对个体反应情况的检查表明，尽管在三项言语任务中的至少一项任务期间，与基线条件相比，大多数参与者使用该设备时口吃减少了，但受益程度和模式在参与者之间差异很大。
读者将能够：（1）讨论导致SpeechEasy开发的听觉反馈改变方面的最新研究，（2）分析和描述与评估流利辅助工具治疗效果相关的问题，以及（3）总结本研究中使用SpeechEasy观察到的结果范围。
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