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van den Berg, Rosanne L.; de Boer, Casper; Zwan, Marissa D.; Jutten, Roos J.; van Liere, Mariska; van de Glind, Marie-Christine A.B.J.; Dubbelman, Mark A.; Schlüter, Lisa Marie; van Harten, Argonde C.; Teunissen, Charlotte E.; van de Giessen, Elsmarieke; Barkhof, Frederik; Collij, Lyduine E.; Robin, Jessica; Simpson, William; Harrison, John E; van der Flier, Wiesje M.; Sikkes, Sietske A.M.

Digital remote assessment of speech acoustics in cognitively unimpaired adults: feasibility, reliability and associations with amyloid pathology

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  • Medientyp: E-Artikel
  • Titel: Digital remote assessment of speech acoustics in cognitively unimpaired adults: feasibility, reliability and associations with amyloid pathology
  • Beteiligte: van den Berg, Rosanne L.; de Boer, Casper; Zwan, Marissa D.; Jutten, Roos J.; van Liere, Mariska; van de Glind, Marie-Christine A.B.J.; Dubbelman, Mark A.; Schlüter, Lisa Marie; van Harten, Argonde C.; Teunissen, Charlotte E.; van de Giessen, Elsmarieke; Barkhof, Frederik; Collij, Lyduine E.; Robin, Jessica; Simpson, William; Harrison, John E; van der Flier, Wiesje M.; Sikkes, Sietske A.M.
  • Erschienen: Springer Science and Business Media LLC, 2024
  • Erschienen in: Alzheimer's Research & Therapy, 16 (2024) 1
  • Sprache: Englisch
  • DOI: 10.1186/s13195-024-01543-3
  • ISSN: 1758-9193
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: Abstract Background Digital speech assessment has potential relevance in the earliest, preclinical stages of Alzheimer’s disease (AD). We evaluated the feasibility, test-retest reliability, and association with AD-related amyloid-beta (Aβ) pathology of speech acoustics measured over multiple assessments in a remote setting. Methods Fifty cognitively unimpaired adults (Age 68 ± 6.2 years, 58% female, 46% Aβ-positive) completed remote, tablet-based speech assessments (i.e., picture description, journal-prompt storytelling, verbal fluency tasks) for five days. The testing paradigm was repeated after 2–3 weeks. Acoustic speech features were automatically extracted from the voice recordings, and mean scores were calculated over the 5-day period. We assessed feasibility by adherence rates and usability ratings on the System Usability Scale (SUS) questionnaire. Test-retest reliability was examined with intraclass correlation coefficients (ICCs). We investigated the associations between acoustic features and Aβ-pathology, using linear regression models, adjusted for age, sex and education. Results The speech assessment was feasible, indicated by 91.6% adherence and usability scores of 86.0 ± 9.9. High reliability (ICC ≥ 0.75) was found across averaged speech samples. Aβ-positive individuals displayed a higher pause-to-word ratio in picture description (B = -0.05, p = 0.040) and journal-prompt storytelling (B = -0.07, p = 0.032) than Aβ-negative individuals, although this effect lost significance after correction for multiple testing. Conclusion Our findings support the feasibility and reliability of multi-day remote assessment of speech acoustics in cognitively unimpaired individuals with and without Aβ-pathology, which lays the foundation for the use of speech biomarkers in the context of early AD.
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