2022
DOI: 10.1159/000525514
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Tongue and Lip Acceleration as a Measure of Speech Decline in Amyotrophic Lateral Sclerosis

Abstract: <b><i>Purpose:</i></b> The goal of this study was to examine the efficacy of acceleration-based articulatory measures in characterizing the decline in speech motor control due to amyotrophic lateral sclerosis (ALS). <b><i>Method:</i></b> Electromagnetic articulography was used to record tongue and lip movements during the production of 20 phrases. Data were collected from 50 individuals diagnosed with ALS. Articulatory kinematic variability was measured using the… Show more

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Cited by 4 publications
(1 citation statement)
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“…From the kinematic modality, both pointwise and trajectory-based measures have been derived to characterize the positioning, movement, and coordination of orofacial structures (e.g., tongue, jaw, lips). These measures, including range of motion, displacement, speed/velocity, acceleration, jerk, cumulative path, area, asymmetry, variability, and spatiotemporal coupling, provide targeted assessment of reduced, slowed, jerky, asymmetrical, irregular, and dyscoordinated orofacial motion, as well documented in the motor speech disorders literature (11,24,25,30,(34)(35)(36)(37)(38)(39)(40)(41)(42). Such speech-based acoustic and kinematic measures have shown promise for detecting clinically indiscernible subclinical bulbar involvement in ALS.…”
Section: Introductionmentioning
confidence: 99%
“…From the kinematic modality, both pointwise and trajectory-based measures have been derived to characterize the positioning, movement, and coordination of orofacial structures (e.g., tongue, jaw, lips). These measures, including range of motion, displacement, speed/velocity, acceleration, jerk, cumulative path, area, asymmetry, variability, and spatiotemporal coupling, provide targeted assessment of reduced, slowed, jerky, asymmetrical, irregular, and dyscoordinated orofacial motion, as well documented in the motor speech disorders literature (11,24,25,30,(34)(35)(36)(37)(38)(39)(40)(41)(42). Such speech-based acoustic and kinematic measures have shown promise for detecting clinically indiscernible subclinical bulbar involvement in ALS.…”
Section: Introductionmentioning
confidence: 99%