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Auditory-perceptual evaluation with visual analogue scale : feasibility and preliminary evidence of ultrasound visual feedback treatment of Finnish [r]

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  • Additional Information
    • Contributors:
      Department of Psychology and Logopedics; Medicum; Mind and Matter; Department of Digital Humanities; Phonetics
    • Publication Information:
      TAYLOR & FRANCIS INC
    • Publication Date:
      2023
    • Collection:
      Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto
    • Abstract:
      Accumulating evidence suggests that ultrasound visual feedback increases the treatment efficacy for persistent speech sound errors. However, the available evidence is mostly from English. This is a feasibility study of ultrasound visual feedback for treating distortion of Finnish [r]. We developed a web-based application for auditory-perceptual judgement. We investigated the impact of listener’s experience on perceptual judgement and the intra-rater reliability of listeners. Four boys (10–11 years) with distortion of [r], otherwise typical development, partook in eight ultrasound treatment sessions. In total, 117 [r] samples collected at pre- and post-intervention were judged with visual analogue scale (VAS) by two listener groups: five speech and language therapists (SLTs) and six SLT students. We constructed a linear mixed-effects model with fixed effects for time and listener group and several random effects. Our findings indicate that measurement time had a significant main effect on judgement results, χ2 = 78.82, p < 0.001. Effect of listener group was non-significant, but a significant main effect of interaction of group × time, χ2 = 6.33, p < 0.012 was observed. We further explored the effect of group with nested models, and results revealed a non-significant effect of group. The average intra-rater correlation of the 11 listeners was 0.83 for the pre-intervention samples and 0.92 for post-intervention showing a good or excellent degree of agreement. Finnish [r] sound can be evaluated with VAS and ultrasound visual feedback is a feasible and promising method in treatment for distortion of [r], and its efficacy should be further assessed. ; Peer reviewed
    • File Description:
      application/pdf
    • Relation:
      Aakko , I K , Kauramäki , J , Cleland , J , Lee , A , Vainio , M & Saalasti , S 2023 , ' Auditory-perceptual evaluation with visual analogue scale : feasibility and preliminary evidence of ultrasound visual feedback treatment of Finnish [r] ' , Clinical Linguistics & Phonetics , vol. 37 , no. 4-6 , pp. 345-362 . https://doi.org/10.1080/02699206.2022.2118079; ORCID: /0000-0003-2570-0196/work/136234400; ORCID: /0000-0002-6019-7920/work/136237850; ORCID: /0000-0003-1544-1215/work/136238056; e3617ece-c6d1-4061-b895-d3facd477a28; http://hdl.handle.net/10138/358184; 000854782100001
    • Online Access:
      http://hdl.handle.net/10138/358184
    • Rights:
      cc_by_nc_nd ; openAccess ; info:eu-repo/semantics/openAccess
    • Accession Number:
      edsbas.2F5E5CBA