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Chon, HeeCheong; Jackson, Eric S.; Kraft, Shelly Jo; Ambrose, Nicoline G.; Loucks, Torrey M. – Journal of Speech, Language, and Hearing Research, 2021
Purpose: The purpose of this study was to test whether adults who stutter (AWS) display a different range of sensitivity to delayed auditory feedback (DAF). Two experiments were conducted to assess the fluency of AWS under long-latency DAF and to test the effect of short-latency DAF on speech kinematic variability in AWS. Method: In Experiment 1,…
Descriptors: Adults, Stuttering, Feedback (Response), Auditory Stimuli
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Chon, HeeCheong; Kraft, Shelly Jo; Zhang, Jingfei; Loucks, Torrey; Ambrose, Nicoline G. – Journal of Speech, Language, and Hearing Research, 2013
Purpose: Delayed auditory feedback (DAF) is known to induce stuttering-like disfluencies (SLDs) and cause speech rate reductions in normally fluent adults, but the reason for speech disruptions is not fully known, and individual variation has not been well characterized. Studying individual variation in susceptibility to DAF may identify factors…
Descriptors: Acoustics, Adults, Speech, Individual Differences
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Choo, Ai Leen; Kraft, Shelly Jo; Olivero, William; Ambrose, Nicoline G.; Sharma, Harish; Chang, Soo-Eun; Loucks, Torrey M. – Journal of Communication Disorders, 2011
Recent studies have implicated anatomical differences in speech-relevant brain regions of adults who stutter (AWS) compared to normally fluent adults (NFA). The present study focused on the region of the corpus callosum (CC) which is involved in interhemispheric processing between the left and right cerebral hemispheres. Two-dimensional…
Descriptors: Cognitive Processes, Brain, Adults, Neurological Organization