title: Frequency of Apical and Laminal /s/ in Normal and Postglossectomy Patients.
abstract: American English can be produced with two types of /s/: apical or laminal. These productions differ in that the apical gesture requires independent tongue tip elevation, and the laminal does not. Postglossectomy speakers, who have lost a unilateral portion of the tongue body along the outer edge, lose innervation to the tongue tip. We hypothesize that postglossectomy patients, even those with a preserved tongue tip, will be more likely to use laminal tongue shapes because of reduced control of the tongue tip. This study examines /s/ type, palate height, and related parameters in 24 control participants and 13 patients with lateral resections using cine-MRI and dental casts. Results of this dataset show that palate height affects choice of /s/ in control participants, but not in patients. Patients tend to use laminal /s/.
authors.affiliation: Department of Neural and Pain Sciences, Orthodontics, University of Maryland School of Dentistry, Baltimore, MD.
authors.forename: Maureen
authors.initials: M
authors.lastname: Stone
authors.affiliation: Department of Neural and Pain Sciences, University of Maryland School of Dentistry, Baltimore, MD.
authors.forename: Susan
authors.initials: S
authors.lastname: Rizk
authors.affiliation: Department of Neural and Pain Sciences, University of Maryland School of Dentistry, Baltimore, MD.
authors.forename: Jonghye
authors.initials: J
authors.lastname: Woo
authors.affiliation: Johns Hopkins University School of Medicine, Johns Hopkins Hospital, Baltimore, MD.
authors.forename: Emi Z
authors.initials: EZ
authors.lastname: Murano
authors.affiliation: Department of Epidemiology, University of Maryland School of Medicine, Baltimore, MD.
authors.forename: Hegang
authors.initials: H
authors.lastname: Chen
authors.affiliation: Department of Electrical and Computer Engineering, Johns Hopkins University, Baltimore, MD.
authors.forename: Jerry L
authors.initials: JL
authors.lastname: Prince
keywords: apical; glossectomy; laminal; speech; tongue