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Croake, Daniel J.; Andreatta, Richard D.; Stemple, Joseph C. – Journal of Speech, Language, and Hearing Research, 2019
Purpose: Normative data for many objective voice measures are routinely used in clinical voice assessment; however, normative data reflect vocal output, but not vocalization process. The underlying physiologic processes of healthy phonation have been shown to be nonlinear and thus are likely different across individuals. Dynamic systems theory…
Descriptors: Physiology, Speech, Systems Approach, Individual Differences