3. The Study: Data Collection Methods and Analysis

The Phonetics of Dysarthria - Studies in Production and Perception - Ioannis Papakyritsis

Ioannis Papakyritsis [+-]
University of Patras
Ioannis Papakyritsis is an assistant professor in the department of Speech and Language Therapy at University of Patras and a certified clinician. He has worked as an assistant professor in Western Illinois University. He holds a PhD from the University of Louisiana at Lafayette. His research interests include clinical acoustic phonetics and the analysis of suprasegmentals in neurogenic speech disorders. He is teaching classes on communication disorders at undergraduate and Master’s levels and he has been working as a clinical supervisor of student clinicians and as speech & language therapist. He currently lives in Patras, Greece.
Marie Klopfenstein [+-]
Southern Illinois University Edwardsville
Marie Klopfenstein, Ph.D. in an Associate Professor in the Speech-Language Pathology and Audiology program, which is part of the Department of Applied Health at Southern Illinois University Edwardsville. She teaches undergraduate and graduate classes in phonetics, speech science, and voice. Dr. Klopfenstein has presented and published widely on acoustic and perceptual correlates of speech naturalness. Her other research includes voice services for transgender and gender non-conforming individuals, speech rate, sonority, and phonetic transcription, with current focus on populations with unmet needs and issues with accessing speech and language services.
Ben Rutter [+-]
University of Sheffield
Ben Rutter is a lecturer in Clinical Linguistics at the University of Sheffield. He has a degree in Linguistics and Phonetics from the University of York and did his Ph.D. in the Department of Communicative Disorders at the University of Louisiana at Lafayette under the supervision of Martin J. Ball and Nicole Müller. His research focuses on the role of phonetics in Speech and Language Therapy and he has written extensively on interactional phonetics and dysarthria. More recently he has been working on topics related to the Medical Humanities. Ben is on the editorial board for the journal Clinical Linguistics and Phonetics.

Description

The purpose of this study is to investigate the effects of dysarthria on speech characteristics in Greek with particular emphasis on the signaling of lexical stress, through perceptual and acoustic analyses. Apart from the realization of lexical stress, other possibly deviant speech characteristics were examined, including voice quality, consonant production and vowel production. A case study approach was used; data were collected from three Greek individuals with dysarthria and normal speakers that served as controls. The data primarily included isolated word production as well as vowel prolongation and syllable repetition tasks. The single word data were used for the acoustic analysis of lexical stress and for the stress identification task, both of which are described in detail in the following sections. Connected speech recordings, including sentence repetition and passage reading were also made as part of the initial assessment of the overall perceptual speech characteristics of the participants with dysarthria.

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Citation

Papakyritsis, Ioannis ; Klopfenstein, Marie; Rutter, Ben. 3. The Study: Data Collection Methods and Analysis. The Phonetics of Dysarthria - Studies in Production and Perception. Equinox eBooks Publishing, United Kingdom. Aug 2021. ISBN 9781800500181. https://www.equinoxpub.com/home/view-chapter/?id=41367. Date accessed: 20 Sep 2020 doi: 10.1558/equinox.41367. Aug 2021

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