van Lieshout P H H M, Rutjens C A W, Spauwen P H M
University of Toronto, Graduate Department of Speech-Language Pathology, Oral Dynamics Lab, 6 Queen's Park Crescent West, Toronto, ON M5S 3H2, Canada.
J Speech Lang Hear Res. 2002 Feb;45(1):5-19. doi: 10.1044/1092-4388(2002/001).
In this paper, data are presented on individual movement characteristics of the upper and lower lip and on interlip coordination in speakers with a repaired unilateral cleft upper lip history and age-matched control participants. The data were acquired using the AG100 EMMA system while the participants produced a selection of nonspeech and speech tasks. The participants with a repaired unilateral cleft upper lip history showed reduced upper-lip movement ranges and peak velocities and a more variable spatiotemporal pattern for individual upper-lip movement cycles, in addition to a more variable interlip coupling. The latter difference also proved to be more pronounced for the younger speakers with a repaired cleft upper lip. Overall, for both groups, the linguistically more complex task showed more variability in the individual upper- and lower-lip movement cycles and their coupling. In the discussion, we address the potential relationships between the kinematic data for upper lip in the repaired-cleft-lip speakers and the findings on movement and coordination stability as they might fit within current notions of coordination dynamics theory.
本文呈现了有单侧唇裂修复史的说话者与年龄匹配的对照参与者的上下唇个体运动特征及唇间协调性的数据。这些数据是在参与者执行一系列非言语和言语任务时，使用AG100 EMMA系统采集的。有单侧唇裂修复史的参与者除了唇间耦合更具变异性外，还表现出上唇运动范围和峰值速度减小，以及个体上唇运动周期的时空模式更具变异性。对于年龄较小的唇裂修复说话者，后一种差异也更为明显。总体而言，对于两组来说，语言上更复杂的任务在个体上下唇运动周期及其耦合方面表现出更大的变异性。在讨论中，我们探讨了唇裂修复说话者上唇运动学数据与运动和协调稳定性研究结果之间的潜在关系，因为它们可能符合当前协调动力学理论的概念。
