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Medientyp:
E-Artikel
Titel:
Speech Rhythm Variation in Early-Stage Parkinson's Disease: A Study on Different Speaking Tasks
Beteiligte:
Maffia, Marta;
De Micco, Rosa;
Pettorino, Massimo;
Siciliano, Mattia;
Tessitore, Alessandro;
De Meo, Anna
Erschienen:
Frontiers Media SA, 2021
Erschienen in:
Frontiers in Psychology, 12 (2021)
Sprache:
Nicht zu entscheiden
DOI:
10.3389/fpsyg.2021.668291
ISSN:
1664-1078
Entstehung:
Anmerkungen:
Beschreibung:
Patients with Parkinson's disease (PD) usually reveal speech disorders and, among other symptoms, the alteration of speech rhythm. The purpose of this study is twofold: (1) to test the validity of two acoustic parameters—%V, vowel percentage and VtoV, the mean interval between two consecutive vowel onset points—for the identification of rhythm variation in early-stage PD speech and (2) to analyze the effect of PD on speech rhythm in two different speaking tasks: reading passage and monolog. A group of 20 patients with early-stage PD was involved in this study and compared with 20 age- and sex-matched healthy controls (HCs). The results of the acoustic analysis confirmed that %V is a useful cue for early-stage PD speech characterization, having significantly higher values in the production of patients with PD than the values in HC speech. A simple speaking task, such as the reading task, was found to be more effective than spontaneous speech in the detection of rhythmic variations.