Abnormal patterns of tongue-palate contact in the speech of individuals with cleft palate.
Citation
Gibbon, F. (2004) Abnormal patterns of tongue-palate contact in
the speech of individuals with cleft palate., Clinical Linguistics & Phonetics, vol. 18, pp. 285-311.
Abstract
Individualswith cleft palate, even thosewith adequate velopharyngeal function, are at
high risk for disordered lingual articulation. This article attempts to summarize
current knowledge of abnormal tongue-palate contact patterns derived from
electropalatographic (EPG) data in speakers with cleft palate. These data, which
have been reported in 23 articles published over the past 20 years, have added
significantly to our knowledge about cleft palate speech. Eight abnormal patterns of
tongue-palate contact are described and illustratedwith data fromchildren and adults
with repaired cleft palate. The paper also discusses some of the problems in
interpreting EPG data from speakers with abnormal craniofacial anatomy and
emphasizes the importance of quantifying relevant aspects of tongue-palate contact
data. Areas of research requiring further investigation are outlined.