Title

Regularity Matters: Unpredictable Speech Degradation Inhibits Adaptation to Dysarthric Speech

Document Type

Article

Journal/Book Title/Conference

Journal of Speech, Language, and Hearing Research

Volume

62

Issue

12

Publisher

American Speech-Language-Hearing Association

Publication Date

11-20-2019

Award Number

NIH, National Institute on Deafness and Other Communication Disorders (NIDCD) 1R21DC016084-01

Funder

NIH, National Institute on Deafness and Other Communication Disorders

First Page

4282

Last Page

4290

Abstract

Listener-targeted perceptual training paradigms, which leverage the mechanism of perceptual learning, show strong promise for improving intelligibility in dysarthria, offsetting the communicative burden from the speaker onto the listener. Theoretical models of perceptual learning underscore the importance of acoustic regularity (i.e., signal predictability) for listener adaptation to degraded speech. The purpose of the current investigation was to evaluate intelligibility outcomes following perceptual training with hyperkinetic dysarthria, a subtype characterized by reduced signal predictability.

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