Open Access. Powered by Scholars. Published by Universities.®

Communication Sciences and Disorders Commons

Open Access. Powered by Scholars. Published by Universities.®

2007

Discipline
Institution
Keyword
Publication
Publication Type
File Type

Articles 61 - 61 of 61

Full-Text Articles in Communication Sciences and Disorders

Lip Kinematics In Spasmodic Dysphonia Before And After Treatment With Botulinum Toxin, Christopher Dromey, Aubrey Reese, Susan Howey Jan 2007

Lip Kinematics In Spasmodic Dysphonia Before And After Treatment With Botulinum Toxin, Christopher Dromey, Aubrey Reese, Susan Howey

Faculty Publications

In order to learn about articulatory behavior in adductor spasmodic dysphonia (SD), the lip movements of seven individuals with SD and three control speakers were recorded with strain gauges as they repeated 'Buy Bobby a puppy' in voiced and whispered conditions. Results included weaker bilabial coordination, qualitative differences in the shape of lip movement profiles, and an increased number of lip velocity peaks in the speakers with SD. These participants received percutaneous botulinum toxin injection to the thyroarytenoid muscle, and were then recorded again. The pre- vs. post-treatment data revealed that improved vocal activity was associated with fewer articulatory disturbances. …