Baseline Stimulability Predicts Patterns of Response to Traditional and Ultrasound Biofeedback Treatment for Residual Speech Sound Disorder

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Autor/inn/en	McAllister, Tara; Eads, Amanda; Kabakoff, Heather; Scott, Marc; Boyce, Suzanne; Whalen, D. H.; Preston, Jonathan L.
Titel	Baseline Stimulability Predicts Patterns of Response to Traditional and Ultrasound Biofeedback Treatment for Residual Speech Sound Disorder
Quelle	In: Journal of Speech, Language, and Hearing Research, 65 (2022) 8, S.2860-2880 (21 Seiten) PDF als Volltext Verfügbarkeit
Zusatzinformation	ORCID (McAllister, Tara) ORCID (Preston, Jonathan L.)
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	1092-4388
Schlagwörter	Speech Therapy; Speech Impairments; Voice Disorders; Predictor Variables; Biofeedback; Outcomes of Treatment; Intervention; Accuracy; Acoustics; Measurement; Comparative Analysis; Auditory Perception; Scores; Articulation (Speech); Speech Tests; Verbal Ability; Intelligence Tests; Vocabulary; Language Tests; Phonology; Language Processing; Children; Adolescents; New York (New York); Goldman Fristoe Test of Articulation; Peabody Picture Vocabulary Test; Clinical Evaluation of Language Fundamentals + Suchen Sie Ihr Suchwort? Entwicklungsproximale Sprachtherapie; Logotherapie; Speech impairment; Speech handicap; Speech handicaps; Language handicps; Language impairments; Sprachbehinderung; Stimmstörung; Prädiktor; Akustik; Messverfahren; Auditive Wahrnehmung; Akustische Wahrnehmung; Sprechtest; Mündliche Leistung; Intelligence test; Intelligenztest; Wortschatz; Language test; Sprachtest; Fonologie; Sprachverarbeitung; Child; Kind; Kinder; Adolescent; Adolescence; Adoleszenz; Jugend; Jugendalter; Jugendlicher
Abstract	Purpose: This study aimed to identify predictors of response to treatment for residual speech sound disorder (RSSD) affecting English rhotics. Progress was tracked during an initial phase of traditional motor-based treatment and a longer phase of treatment incorporating ultrasound biofeedback. Based on previous literature, we focused on baseline stimulability and sensory acuity as predictors of interest. Method: Thirty-three individuals aged 9-15 years with residual distortions of [voiced alveolar approximant] received a course of individual intervention comprising 1 week of intensive traditional treatment and 9 weeks of ultrasound biofeedback treatment. Stimulability for [voiced alveolar approximant] was probed prior to treatment, after the traditional treatment phase, and after the end of all treatment. Accuracy of [voiced alveolar approximant] production in each probe was assessed with an acoustic measure: normalized third formant (F3)-second formant (F2) distance. Model-based clustering analysis was applied to these acoustic measures to identify different average trajectories of progress over the course of treatment. The resulting clusters were compared with respect to acuity in auditory and somatosensory domains. Results: All but four individuals were judged to exhibit a clinically significant response to the combined course of treatment. Two major clusters were identified. The "low stimulability" cluster was characterized by very low accuracy at baseline, minimal response to traditional treatment, and strong response to ultrasound biofeedback. The "high stimulability" group was more accurate at baseline and made significant gains in both traditional and ultrasound biofeedback phases of treatment. The clusters did not differ with respect to sensory acuity. Conclusions: This research accords with clinical intuition in finding that individuals who are more stimulable at baseline are more likely to respond to traditional intervention, whereas less stimulable individuals may derive greater relative benefit from biofeedback. (As Provided).
Anmerkungen	American Speech-Language-Hearing Association. 2200 Research Blvd #250, Rockville, MD 20850. Tel: 301-296-5700; Fax: 301-296-8580; e-mail: slhr@asha.org; Web site: http://jslhr.pubs.asha.org
Erfasst von	ERIC (Education Resources Information Center), Washington, DC
Update	2024/1/01