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Early Speech Deterioration In Amyotrophic Lateral Sclerosis: A Case Study Of Newscaster Donna Britt, Emily Watkins
Early Speech Deterioration In Amyotrophic Lateral Sclerosis: A Case Study Of Newscaster Donna Britt, Emily Watkins
LSU Master's Theses
Abstract
Purpose: The aim of this study is to detect and track speech changes using acoustic and perceptual measures in an individual (a local newscaster) with amyotrophic lateral sclerosis (ALS) using data from before her diagnosis, around the time of her diagnosis, and after her diagnosis.
Methods: Six time points, ranging from 37 months around her diagnosis, were analyzed from one speaker with ALS. Three acoustic parameters were measured: articulation rate, acoustic vowel space, and the slope of the second formant. Additionally, two experts with more than 10 years of experience perceptually analyzed the speech samples on 17 characteristics using …