We present a new approach to the investigation of dynamic ultrasound tongue imaging (UTI) data, applied here to analyse the subtle aspects of the fluency of people who stutter (PWS). Fluent productions of CV syllables (C = /k/; V = /ɑ, i, ə/) from three PWS and three control speakers (PNS) were analysed for duration and peak velocity relative to articulatory movement towards (onset) and away from (offset) the consonantal closure. The objective was to apply a replicable methodology for kinematic investigation to speech of PWS in order to test Wingate's Fault-Line hypothesis. As was hypothesised, results show comparable onset behaviours for both groups. Regarding offsets, groups differ in peak velocity. Results suggest that PWS do not struggle initiating consonantal closure (onset). In transition from consonantal closure into the vowel, however, groups appear to employ different strategies expressed in increased variation (PNS) versus decreased mean peak velocity (PWS).
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http://dx.doi.org/10.3109/02699206.2015.1100684 | DOI Listing |
iScience
January 2025
Electrical Engineering College, Guizhou University, Guiyang 550025, China.
Analyzing the uniformity of ammonia distribution at the inlet of selective catalytic reduction reactors is crucial for enhancing denitrification efficiency. To minimize ammonia slip while ensuring effective denitrification, this study examines ammonia flow characteristics in the SCR system under various zoning schemes. In scheme I, zones A1, A2, A3, and A4 predominantly influence the left, center, center-right, and far-right regions of the reactor inlet.
View Article and Find Full Text PDFNat Sci Sleep
January 2025
Department of Cardiology, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian Province, People's Republic of China.
Purpose: The effect of metabolic factors on cardiovascular risk in obstructive sleep apnea (OSA) is unclear. This study aimed to investigate the effect of metabolic factors on the left ventricular diastolic function in patients with OSA.
Patients And Methods: This cross-sectional study included a total of 478 patients with OSA from September 2018 to September 2023.
Fluids Barriers CNS
January 2025
Adelaide Spinal Research Group & Centre for Orthopaedics and Trauma Research, Faculty of Health and Medical Sciences, The University of Adelaide, Level 7, Adelaide Health and Medical Sciences Building, North Terrace, Adelaide, SA, 5005, Australia.
Background: Traumatic spinal cord injury (SCI) causes spinal cord swelling and occlusion of the subarachnoid space (SAS). SAS occlusion can change pulsatile cerebrospinal fluid (CSF) dynamics, which could have acute clinical management implications. This study aimed to characterise SAS occlusion and investigate CSF dynamics over 14 days post-SCI in the pig.
View Article and Find Full Text PDFJ Strength Cond Res
December 2024
School of Kinesiology, University of Michigan, Ann Arbor, Michigan.
Motlagh, JG and Lipps, DB. The contribution of muscular fatigue and shoulder biomechanics to shoulder injury incidence during the bench press exercise: A narrative review. J Strength Cond Res 38(12): 2147-2163, 2024-Participation in competitive powerlifting has rapidly grown over the past two decades.
View Article and Find Full Text PDFInt J Exerc Sci
December 2024
Exercise Science and Exercise Physiology Program, Kent State University, Kent, OH, USA.
This investigation evaluated validity and reliability of the HUMAC360 linear position transducer (LPT) compared to the Tendo Sport Weightlifting Analyzer (TENDO) for measuring mean velocity (MV), peak velocity (PV), and displacement (D) during the bench press. Seventeen recreationally active individuals completed three visits. During visit one, participants were assessed for their one repetition maximum (1RM) bench press.
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