Speech Sound Disorder and Visual Biofeedback Intervention: A Preliminary Investigation of Treatment Intensity.
Elaine R Hitchcock, Michelle T Swartz, Melissa Lopez
https://pubmed.ncbi.nlm.nih.gov/30795023Actively Recruiting
Led by The University of Hong Kong · Updated on 2026-03-10
60
Participants Needed
1
Research Sites
8 weeks
Total Duration
Researchers are investigating the use of ultrasound visual biofeedback as an addition to articulation therapy for children aged 5 to 12 with speech sound disorders involving tongue movements. This study aims to help children better learn to pronounce difficult sounds by allowing them to see real-time images of their tongue during speech. Participants are randomly assigned to either receive immediate treatment or be placed on a wait-list control group that receives usual care initially, then later the same ultrasound therapy. The intervention being studied is a motor-phonetic approach enhanced by ultrasound visual biofeedback, which helps children visualize their tongue movements to improve speech sounds. Children in the immediate treatment group receive this therapy right away, while those in the wait-list control group receive no treatment for 4 weeks before crossing over to get the same ultrasound therapy. This design allows comparison of outcomes between groups while ensuring all participants eventually receive the treatment. Participants will be evaluated at multiple points including baseline, 4, 8, and 16 weeks. Researchers will measure speech accuracy using a 20-item probe list, speech intelligibility, consonant correctness, quality of life, behavioral strengths and difficulties, and parental stress. These assessments include questionnaires and speech evaluations. The study involves double-blind randomization and continues until 16 weeks with follow-up visits to monitor progress and outcomes.
CONDITIONS
Effectiveness of Ultrasound-Aided Articulation Therapy for Children With Speech Sound Disorders
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Complete this quick 3-step screening to check your eligibility
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Duration - Up to 16 weeks
Participants receive ultrasound-aided articulation therapy, a motor-phonetic behavioral intervention enhanced with ultrasound visual biofeedback. The immediate treatment group starts therapy right away, while the waitlist control group begins after 4 weeks without treatment.
Multiple visits during treatment period
Duration - Up to 16 weeks from baseline
Participants are assessed on speech accuracy, intelligibility, quality of life, behavioral strengths and difficulties, and parental stress after treatment completion.
1 to 3 visits depending on group and assessments
Total: 1 location
1
Hong Kong Children's Hospital and Child Assessment Centre of The Duchess of Kent Children's Hospital
Hong Kong, Hong Kong
Actively Recruiting
O
Oi Yan Yoyo Yiu
Study Type
INTERVENTIONAL
Masking
DOUBLE
Allocation
RANDOMIZED
Model
CROSSOVER
Primary Purpose
TREATMENT
Number of Arms
2
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