Abstract
AbstractThe velopharyngeal function of 23 subjects who had sustained a traumatic brain injury (TBI) in childhood was assessed using both accelerometric and perceptual techniques. Horii Oral Nasal Coupling (HONC) indices were obtained from the production of nasal and non-nasal sounds, words and sentences. These values were compared with those of a non-neurologically impaired control group matched for age and sex. The TBI group exhibited significantly increased HONC indices in the production of non-nasal utterances, when compared with the control group. In addition to this, perceptual speech analysis identified the TBI group as being significantly more hypernasal than the control group, with 13 of the 23 TBI subjects perceived as having some degree of hypernasality in their speech. The findings are discussed in relation to the effects of childhood TBI on velopharyngeal function, and the implications for assessment and treatment of these subjects.
Published Version
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