Ultrasound Biofeedback for Speech Training

Abstract
Real-time ultrasound scanning was employed as biofeedback therapy to correct a persistent articulatory speech defect in a subject. The subject continuously imaged her tongue with a transducer placed submentally. During a speech exercise, the subject could compare her tongue''s positioning and movement with an ultrasound image showing the correct tongue placement prerecorded onto video tape by a speech therapist. This technique apparently may be a valuable addition to speech therapy.
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