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Prosodic features in Finnish-speaking adults with Parkinson's disease

Rontu Katariina; Rantala Leena; Werner Stefan; Tavi Lauri; Penttilä Nelly; Hyppönen Marianne

Prosodic features in Finnish-speaking adults with Parkinson's disease

Rontu Katariina
Rantala Leena
Werner Stefan
Tavi Lauri
Penttilä Nelly
Hyppönen Marianne
Katso/Avaa
Prosodic features in Finnish-speaking adults with Parkinson´s disease _ Enhanced Reader.pdf (3.330Mb)
Lataukset: 

TAYLOR & FRANCIS INC
doi:10.1080/02699206.2022.2081612
URI
https://www.tandfonline.com/doi/full/10.1080/02699206.2022.2081612
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Julkaisun pysyvä osoite on:
https://urn.fi/URN:NBN:fi-fe2022091258435
Tiivistelmä

The aim of this study was to assess prosodic features in Finnish speakers with (n = 16) and without (n = 20) Parkinson’s disease (PD), as there are no published studies to date of prosodic features in Finnish speakers with PD. Chosen metrics were articulation rate (syllables/second), pitch (mean F0) and pitch variability (standard deviation F0), energy proportion below 1 kHz (epb1kHz), normalised pairwise variability index (nPVI), and a novel syllabic prosody index (SPI). Four statistically significant results were found: (1) energy was distributed more to lower frequencies in speakers with PD compared to control speakers, (2) male PD speakers had higher pitch and (3) higher syllabic prosody index compared to control males, and (4) female PD speakers had narrower pitch variability than controls. In this study, PD was manifested as less emphatic and breathier voice. Interestingly, male PD speakers’ dysprosody was manifested as an effortful speaking style, whereas female PD speakers exhibited dysprosody with a monotonous speaking style. A novel syllable-based prosody index could be a potentially useful tool in analysing prosody in disordered speech.

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  • Rinnakkaistallenteet [19207]

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