Medicine and Health Sciences Commons^™

Acoustic-Perceptual Relations Between Fundamental Frequency And Expressiveness In Speakers With Hypokinetic Dysarthria, Alena Portnova

All Graduate Theses and Dissertations, Fall 2023 to Present

Hypokinetic dysarthria is a motor speech disorder that occurs in patients with Parkinson’s disease (PD) and affects not only their speech intelligibility but also how their attitudes and emotions are perceived by listeners. People with PD have been judged as less happy, involved, friendly, and interested based only on their speech samples. A lack of speech expressiveness is one of the characteristics that is likely to be related to these negative listener judgments. Specifically, it has been suggested that a lack of fundamental frequency (F0) variation reduces speakers’ ability to express various emotions. To investigate whether speech expressiveness is related …