Background: Features of dysarthria associated with Parkinson's disease (PD), such as low volume, variable rate of speech and increased pauses, impact speaker intelligibility. Those affected report restricted interactional participation, although this area is under explored. Aims: To examine naturally occurring instances of problems with…

Background: Acquired progressive dysarthria is traditionally assessed, rated, and researched using measures of speech perception and intelligibility. The focus is commonly on the individual with dysarthria and how speech deviates from a normative range. A complementary approach is to consider the features and consequences of dysarthric speech as…