CASL
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Item An EPG therapy protocol for remediation and assessment of articulation disorders.(ICSLP, 2002) Wrench, Alan A.; Gibbon, Fiona; McNeill, Alison M.; Wood, Sara; Hansen, John H.L.; Pellom, BryanThis paper describes technical and methodological advances in the development of a procedure for measuring changes in accuracy and stability of linguapalatal (tongue-palate) contact patterns during a course of visual feedback therapy using electropalatography (EPG). The procedure is exemplified by a case in which therapy was aimed at resolving a pattern of velar fronting whereby phonetic targets /k, g,Item Widening access to electropalatography for children with persistent sound system disorders.(American Speech-Language-Hearing Association, 1999-11) Gibbon, Fiona; Stewart, Fiona; Hardcastle, William J.Previous studies have demonstrated the value of using electropalatography (EPG) to assess, diagnose, and treat persistent sound system disorders in children. However, the application of EPG research has been limited in clinical contexts because most speech-language pathologists do not have access to the technique. This article provides an overview of recent EPG research on persistent sound system disorders and describes a network that has been established to widen access to EPG. The use of EPG via the network is illustrated in the case description of an 8-year-old boy, Robbie, who presented with a persisting speech disorder. The network was used because the clinician treating Robbie did not have an EPG. The main perceptual feature of Robbie's speech before EPG treatment was the deviant phonological process of backing /t/ and /d/ targets to velar place of articulation. EPG was used to assess articulatory patterns before treatment, to provide visual feedback as part of a treatment program, and to record changes in tongue-palate contact patterns as treatment progressed. Robbie achieved normal /t/ and /d/ articulatory patterns after treatment and was subsequently discharged. Factors that could have contributed to the successful outcome in this case are discussed, and areas requiring further research are identified.Item Normal adult speakers' tongue palate contact patterns for alveolar oral and nasal stops(Taylor & Francis, 2007-03) Gibbon, Fiona; Yuen, Ivan; Lee, Alice; Adams, LynneThis study compared tongue palate contact patterns for oral stops (/t/, /d/) with those for the nasal stop /n/ in order to provide normative data for diagnosing and treating individuals with speech disorders. Electropalatographic (EPG) data were recorded from 15 English speaking adults for word initial /t/, /d/ and /n/ in a high and a low vowel context. EPG frames were classified according to three criteria: (1) anterior constriction; (2) bilateral constriction; and (3) zero posterior central contact. Total amount of contact and variability were also measured. The results showed that almost all (99%) stops met Criteria 1 and 3, with fewer articulations (88% of /t/; 83% of /d/ and 55% of /n/) meeting Criterion 2. Although all stops had similar spatial patterns, /t/ and /d/ had more contact and were more likely to have bilateral constriction than /n/. There were no differences in variability between /t/, /d/ and /n/, however. The clinical implications of the results for the management of individuals with speech disorders are discussed.Item Vowel imaging(Psychology Press, 2012-09-05) Lee, Alice; Zharkova, Natalia; Gibbon, Fiona; Ball, Martin J.; Gibbon, FionaItem The Prosody-Language Relationship in Children with High-Functioning Autism(Blackwell, 2008) McCann, Joanne; Peppé, Sue JE; Gibbon, Fiona; O'Hare, Anne; Cebula, K.; Gomez, J C; McGregor, E.; Nunez, M.Item CLEFTNET SCOTLAND: applications of new technology to the investigation and treatment of speech disorders associated with cleft palate within a Scottish context.(Wiley, 1999) Nairn, M.; Hardcastle, William J.; Gibbon, Fiona; Razzell, R.; Crampin, L.; Harvey, l.; Reynolds, B.Item Instrumental analysis of articulation in speech impairment(Blackwell Publishers, 2008) Gibbon, Fiona; Ball, Martin J.; Howard, S.; Muller, N.; Perkins, M.Item The application of electropalatography (EPG) to the remediation of speech disorders in school-aged children and young adults(Wiley-Blackwell, 1995-04) Dent, Hilary; Gibbon, Fiona; Hardcastle, William J.Item Electropalatography and its clinical applications.(Singular Publishing Group, 1997, 1997) Hardcastle, William J.; Gibbon, Fiona