Journal of communication disorders · 2019
Impact of speech rate and mouth opening on hypernasality and speech intelligibility in children with a cleft (lip and) palate.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Alighieri Cassandra, Bettens Kim, Everaert Jessie, Van Lierde Kristiane
Аннотация
AIM: this study evaluated the effectiveness of different speech techniques (i.e. modification of speech rate and/or mouth opening) for the rehabilitation of hypernasality in children with a cleft palate with or without a cleft lip (CP±L). The impact of speech rate and/or mouth opening was investigated on both hypernasality and speech intelligibility.
METHODS: thirteen patients with CP±L and perceived hypernasality (mean age: 10y5m) and 13 age and gender matched children without CP±L were included. Children were asked to read an oral and oronasal text passage in ten different speaking conditions where speech rate and/or mouth opening was manipulated. Outcome measures included instrumental measurements of hypernasality and perceptual ratings of speech intelligibility and hypernasality.
RESULTS: speaking with a lower speech rate had a statistically significant, positive influence on objective measures of hypernasality in both groups, especially when elicited by a metronome. An increased mouth opening and the combination of both techniques was only effective in the control group. Moreover, it was found that children without CP ±L were less intelligible when speaking with a decreased mouth opening.
CONCLUSION: a metronome-controlled decrease of speech rate had a positive influence on objective measures of hypernasality both in children with and without CP±L. However, present study could not provide any evidence that speaking with increased mouth opening reduces objective and perceptual measures of hypernasality in children with CP±L. Further research investigating the use of these techniques is necessary.
METHODS: thirteen patients with CP±L and perceived hypernasality (mean age: 10y5m) and 13 age and gender matched children without CP±L were included. Children were asked to read an oral and oronasal text passage in ten different speaking conditions where speech rate and/or mouth opening was manipulated. Outcome measures included instrumental measurements of hypernasality and perceptual ratings of speech intelligibility and hypernasality.
RESULTS: speaking with a lower speech rate had a statistically significant, positive influence on objective measures of hypernasality in both groups, especially when elicited by a metronome. An increased mouth opening and the combination of both techniques was only effective in the control group. Moreover, it was found that children without CP ±L were less intelligible when speaking with a decreased mouth opening.
CONCLUSION: a metronome-controlled decrease of speech rate had a positive influence on objective measures of hypernasality both in children with and without CP±L. However, present study could not provide any evidence that speaking with increased mouth opening reduces objective and perceptual measures of hypernasality in children with CP±L. Further research investigating the use of these techniques is necessary.