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ISSN: 2375-4427

Journal of Communication Disorders, Deaf Studies & Hearing Aids
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Research Article

Electropalatography in a Case of Congenital Aglossia

Betty L McMicken1, Andrew Kunihiro2, Long Wang2*, Shelley Von Berg3and Kelly Rogers4

1Department of Communicative Disorders, California State University, Long Beach, USA

2Department of Family and Consumer Sciences, California State University, Long Beach, USA

3Department of Communication Sciences and Disorders, California State University, Chico, USA

4Saddleback College, USA

*Corresponding Author:
Long Wang, PhD
MD, RDN, Assistant Professor
Department of Family and Consumer Sciences
California State University, Long Beach
1250 Bellflower Blvd. Long Beach, CA, 90840, USA
Tel: 562.985.7492
Fax: 562.985.4414
E-mail: [email protected]

Received date: July 18, 2014; Accepted date: August 27, 2014; Published date: September 03, 2014

Citation: McMicken BL, Kunihiro A, Wang L, Berg SV, Rogers K (2014) Electropalatography in a Case of Congenital Aglossia. Commun Disord Deaf Stud Hearing Aids 2:113. doi: 10.4172/2375-4427.1000113

Copyright: © 2014 McMicken BL, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


Objective: The purpose of this study, the fifth in a series on a Person with Congenital Aglossia (PWCA), was: 1) to determine if there was activation of electrodes in a PWCA during swallow and articulation as detected by the Electropalatography (EPG), 2) to compare the electrode activation patterns in PWCA to those in People without Congenital Aglossia (PWoCA).

Methods: EPG was performed using the Complete Speech SmartPalate® software and hardware designed from impressions of the PWCA, a 44-year old Caucasian female. Stimulus materials consisted of 11 vowel-constantvowel combinations were derived from prior research.

Results: The PWCA was able to activate electrodes in the anterior and posterior palatal areas, noticeably greater in swallowing than in speech. While PWCA patterns demonstrated significantly fewer electrode activations, patterns were discernibly similar to normal data derived from PWoCA.

Conclusion: This study employed EPG to investigate the unique speech production pattern of a 44-year old female PWCA and compared these patterns with those of PWoCA published by Dromey and Sanders. The question remains as to the exact nature of the articulatory compensations and adjustments which allow the PWCA to speak in an intelligible fashion and produce consonants which are perceptually correct and distinguishable from each other.


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