Abstract
Abstract Parkinson's disease (PD) is the most common neuromuscular disease in Australia with over 300,000 adults affected. This paper explores (a) the best way to market speech pathology services for people with PD, (b) whether group voice training is as effective as individual voice training, (c) whether nonintensive voice training produces significant change in measures of maximum phonation duration (MPD), phonation pitch range, loudness in sentences, paragraph reading, and in monologue, (d) whether carryover effect outside the training session exist, and (e) whether improved voice loudness is sustained for a period of time with minimal follow-up training session. The study design is a post hoc analysis of preliminary data collected from ongoing clinical services. We measured MPD in seconds at natural pitch, lowest and highest sustained pitch, MPD pitch range in hertz, and loudness in decibels for MPD, sentence and paragraph reading, and monologue. We found educating the PD support group resulted in imp...
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