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Cleland, Joanne; Mccron, Caitlin; Scobbie, James M. – Clinical Linguistics & Phonetics, 2013
Speakers possess a natural capacity for lip reading; analogous to this, there may be an intuitive ability to "tongue-read." Although the ability of untrained participants to perceive aspects of the speech signal has been explored for some visual representations of the vocal tract (e.g. talking heads), it is not yet known to what extent…
Descriptors: Speech, Comparative Analysis, Adults, Undergraduate Students
Bressmann, Tim; Radovanovic, Bojana; Kulkarni, Gajanan V.; Klaiman, Paula; Fisher, David – Clinical Linguistics & Phonetics, 2011
Ultrasound imaging was used to investigate the articulation of the voiceless velar stop [k] in five speakers with compensatory articulation related to cleft palate. The perceptual evaluation of the acoustic realization and the visual assessment of the tongue movement for the target sound were made by three examiners. The analysis revealed a…
Descriptors: Foreign Countries, Congenital Impairments, Phonemes, Articulation (Speech)
Bernhardt, B. May; Bacsfalvi, Penelope; Adler-Bock, Marcy; Shimizu, Reiko; Cheney, Audrey; Giesbrecht, Nathan; O'Connell, Maureen; Sirianni, Jason; Radanov, Bosko – Clinical Linguistics & Phonetics, 2008
Ultrasound has shown promise as a visual feedback tool in speech therapy. Rural clients, however, often have minimal access to new technologies. The purpose of the current study was to evaluate consultative treatment using ultrasound in rural communities. Two speech-language pathologists (SLPs) trained in ultrasound use provided consultation with…
Descriptors: Diagnostic Tests, Speech Impairments, Speech Language Pathology, Feedback (Response)
Zharkova, Natalia – Clinical Linguistics & Phonetics, 2013
This study reported adult scores on two measures of tongue shape, based on midsagittal tongue shape data from ultrasound imaging. One of the measures quantified the extent of tongue dorsum excursion, and the other measure represented the place of maximal excursion. Data from six adult speakers of Scottish Standard English without speech disorders…
Descriptors: Congenital Impairments, Speech Impairments, English, Standard Spoken Usage
Lipetz, Heidi Massel; Bernhardt, B. May – Clinical Linguistics & Phonetics, 2013
An adolescent with a persistent frontal lisp participated in a two-part 11-session intervention case study. The first phase used ultrasound imagery and acoustic, phonetic and voice education to provide information about articulatory setting (AS) and general awareness of the speech production process. The second phase used traditional articulation…
Descriptors: Adolescents, Males, Speech Impairments, Intervention
Bacsfalvi, Penelope; Bernhardt, Barbara May – Clinical Linguistics & Phonetics, 2011
This follow-up study investigated the speech production of seven adolescents and young adults with hearing impairment 2-4 years after speech intervention with ultrasound and electropalatography. Perceptual judgments by seven expert listeners revealed that five out of seven speakers either continued to generalize post-treatment or maintained their…
Descriptors: Young Adults, Adolescents, Hearing Impairments, Assistive Technology
Epstein, Melissa A. – Clinical Linguistics & Phonetics, 2005
The purpose of this paper is to assist researchers in writing their research protocols and subject consent forms so that both the Institutional Review Board (IRB) and subjects are assured of the minimal risk associated with diagnostic B-scan ultrasound as it is used in speech research. There have been numerous epidemiological studies on fetal…
Descriptors: Researchers, Risk, Measurement Equipment, Speech
Bernhardt, Barbara; Gick, Bryan; Bacsfalvi, Penelope; Adler-Bock, Marcy – Clinical Linguistics & Phonetics, 2005
The present paper comprises an overview of techniques using ultrasound in speech (re)habilitation. Ultrasound treatment techniques have been developed for English lingual stops, vowels, sibilants, and liquids. These techniques come from a series of small "n" studies with adolescents and adults with severe hearing impairment, residual…
Descriptors: Adolescents, Speech Therapy, Hearing Impairments, Speech Impairments
Bressmann, Tim; Flowers, Heather; Wong, Willy; Irish, Jonathan C. – Clinical Linguistics & Phonetics, 2010
The goal of this study was to quantitatively describe aspects of coronal tongue movement in different anatomical regions of the tongue. Four normal speakers and a speaker with partial glossectomy read four repetitions of a metronome-paced poem. Their tongue movement was recorded in four coronal planes using two-dimensional B-mode ultrasound…
Descriptors: Human Body, Motion, Speech, Physical Disabilities
Davidson, Lisa – Clinical Linguistics & Phonetics, 2005
Ultrasound can be used to address unresolved questions in phonological theory. To date, some studies have shown that results from ultrasound imaging can shed light on how differences in phonological elements are implemented. Phenomena that have been investigated include transitional schwa, vowel coalescence, and transparent vowels. A study of…
Descriptors: Vowels, Phonology, Investigations, Articulation (Speech)
Stone, Maureen – Clinical Linguistics & Phonetics, 2005
This paper is meant to be an introduction to and general reference for ultrasound imaging for new and moderately experienced users of the instrument. The paper consists of eight sections. The first explains how ultrasound works, including beam properties, scan types and machine features. The second section discusses image quality, including the…
Descriptors: Human Body, Evaluation Methods, Equipment, Medical Services
Li, Min; Kambhamettu, Chandra; Stone, Maureen – Clinical Linguistics & Phonetics, 2005
In this paper, a new automatic contour tracking system, EdgeTrak, for the ultrasound image sequences of human tongue is presented. The images are produced by a head and transducer support system (HATS). The noise and unrelated high-contrast edges in ultrasound images make it very difficult to automatically detect the correct tongue surfaces. In…
Descriptors: Visual Aids, Human Body, Acoustics, Models
Gick, Bryan; Bird, Sonya; Wilson, Ian – Clinical Linguistics & Phonetics, 2005
Techniques are discussed for using ultrasound for lingual imaging in field-related applications. The greatest challenges we have faced distinguishing the field setting from the laboratory setting are the lack of controlled head/transducer movement, and the related issue of tissue compression. Two experiments are reported. First, a pilot study…
Descriptors: Linguistics, Phonetics, Intervention, Technological Advancement
Bressmann, Tim – Clinical Linguistics & Phonetics, 2006
In the cosmetic tongue split operation, the anterior tongue blade is split along the midline of the tongue. The goal of this case study was to obtain preliminary data on speech and tongue motility in a participant who had performed this operation on himself. The participant underwent an articulation test and a tongue motility assessment, as well…
Descriptors: Speech Tests, Speech Communication, Articulation (Speech), Case Studies
Bressmann, Tim; Thind, Parveen; Uy, Catherine; Bollig, Carmen; Gilbert, Ralph W.; Irish, Jonathan C. – Clinical Linguistics & Phonetics, 2005
The functional determinants for a good speech outcome after a partial tongue resection and reconstruction are not well established. The purpose of the present study was to assess the protrusion, grooving and symmetry of the tongue during sustained speech sound production using three-dimensional ultrasound. The participants were twelve normal…
Descriptors: Surgery, Patients, Data Analysis, Equipment
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