Coordination of lip muscle activity by 2-year-old children during speech and nonspeech tasks

Ruark, Jacki L.; Moore, Christopher A.
December 1997
Journal of Speech, Language & Hearing Research;Dec1997, Vol. 40 Issue 6, p1373
Academic Journal
Describes, compares, and contrasts the coordinative strategies exhibited in lip muscle activation patterns of 2-year-old children during speech and nonspeech tasks. Difference in coupling of upper and lower lip muscles across tasks and behaviors; Activities that yielded the weakest coupling of upper and lower lip muscle activity.


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