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ERIC Number: EJ775684
Record Type: Journal
Publication Date: 2007-Oct
Pages: 16
Abstractor: Author
Reference Count: 45
ISSN: ISSN-0269-9206
Influence of Familiarity on Identifying Prosodic Vocalizations Produced by Children with Severe Dysarthria
Patel, Rupal; Schroeder, Bethany
Clinical Linguistics & Phonetics, v21 n10 p833-848 Oct 2007
Familiarity is thought to aid listeners in decoding disordered speech; however, as the speech signal degrades, the "familiarity advantage" becomes less beneficial. Despite highly unintelligible speech sound production, many children with dysarthria vocalize when interacting with familiar caregivers. Perhaps listeners can understand these vocalizations by cuing into prosodic consistencies in their child's productions. This paper examined whether familiarity influenced the identification of sustained vowels that varied in pitch, duration, and pitch-duration combinations, produced by 3 children with severe dysarthria due to cerebral palsy. Thirty-six listeners participated in the study. For each speaker, there were 2 familiar listeners (FAM), 5 experienced listeners (EXP), and 5 unfamiliar/inexperienced listeners (INX). Results indicated that familiarity did not impact identification of prosodic contrasts. In fact, all 3 listener groups were highly accurate in identifying duration, somewhat less successful at identifying pitch, and least accurate in identifying combinations of pitch and duration. Influences of speaker-listener variables on familiarity are discussed. (Contains 4 tables and 5 figures.)
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Publication Type: Journal Articles; Reports - Research
Education Level: Elementary Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A