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Speech perception in speech sound di...

Phinney, Erin M.

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Speech perception in speech sound disorder and reading disability.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Speech perception in speech sound disorder and reading disability./
作者:	Phinney, Erin M.
面頁冊數:	107 p.
附註:	Adviser: Bruce F. Pennington.
Contained By:	Dissertation Abstracts International69-02B.
標題:	Health Sciences, Speech Pathology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3297590
ISBN:	9780549478089

Speech perception in speech sound disorder and reading disability.
Phinney, Erin M.

Speech perception in speech sound disorder and reading disability. - 107 p.

Adviser: Bruce F. Pennington.

Thesis (Ph.D.)--University of Denver, 2008.

Speech sound disorder (SSD), revealed by spoken articulation difficulties, and reading disability (RD), manifested as a difficulty in decoding written language, are both associated with impaired phoneme awareness (PA). Impairments in speech perception have often been named as the cause for PA difficulties; however few studies have investigated the perception of multiple elements of speech in children with PA impairments. This study explores how four measures of speech perception, tapping both segmental and suprasegmental processing, are related to phoneme awareness within 10- and 11-year old children labeled as SSD-only (n = 17), RD-only (n = 16), SSD+RD (n = 17), and age-matched Control (n = 16). In accordance with a multi-factorial theory of the relationship between speech perception and phoneme awareness, children in all three clinical groups were impaired on multiple measures of speech perception. All three groups were developmentally delayed in their processing of suprasegmental amplitude envelope cues and in making the attentional weighting shift from the dynamic formant transition cue to the stable fricative noise cue. Only groups of children with RD were developmentally delayed on the syllable similarity task, possibly indicating a closer association between this task and current PA. No groups were impaired on the categorical perception of VOT task. Additional hierarchical regressions predicting PA and vocabulary revealed that amplitude envelope performance was the strongest predictor of both PA and vocabulary but that the fricative noise task also contributed unique variance to vocabulary level and the syllable similarity task contributed unique variance to PA. Finally, the SSD-only group currently did not reveal any PA deficits, despite deficits found in a previous study when these same children were 5-years-old. Analyses exploring the SSD-only group revealed that these children with normalized PA and impaired speech perception have had strong vocabulary and processing speed since age 5, possibly assisting in the development of normal reading and eventual normal PA. In sum, results suggest that impairments in speech perception, both segmental and suprasegmental, may initially impact phonological representations but that with strong protective factors reading may develop normally, allowing PA difficulties to be overcome.

ISBN: 9780549478089Subjects--Topical Terms:

1018105
Health Sciences, Speech Pathology.

Speech perception in speech sound disorder and reading disability.
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300 $a 107 p.
500 $a Adviser: Bruce F. Pennington.
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502 $a Thesis (Ph.D.)--University of Denver, 2008.
520 $a Speech sound disorder (SSD), revealed by spoken articulation difficulties, and reading disability (RD), manifested as a difficulty in decoding written language, are both associated with impaired phoneme awareness (PA). Impairments in speech perception have often been named as the cause for PA difficulties; however few studies have investigated the perception of multiple elements of speech in children with PA impairments. This study explores how four measures of speech perception, tapping both segmental and suprasegmental processing, are related to phoneme awareness within 10- and 11-year old children labeled as SSD-only (n = 17), RD-only (n = 16), SSD+RD (n = 17), and age-matched Control (n = 16). In accordance with a multi-factorial theory of the relationship between speech perception and phoneme awareness, children in all three clinical groups were impaired on multiple measures of speech perception. All three groups were developmentally delayed in their processing of suprasegmental amplitude envelope cues and in making the attentional weighting shift from the dynamic formant transition cue to the stable fricative noise cue. Only groups of children with RD were developmentally delayed on the syllable similarity task, possibly indicating a closer association between this task and current PA. No groups were impaired on the categorical perception of VOT task. Additional hierarchical regressions predicting PA and vocabulary revealed that amplitude envelope performance was the strongest predictor of both PA and vocabulary but that the fricative noise task also contributed unique variance to vocabulary level and the syllable similarity task contributed unique variance to PA. Finally, the SSD-only group currently did not reveal any PA deficits, despite deficits found in a previous study when these same children were 5-years-old. Analyses exploring the SSD-only group revealed that these children with normalized PA and impaired speech perception have had strong vocabulary and processing speed since age 5, possibly assisting in the development of normal reading and eventual normal PA. In sum, results suggest that impairments in speech perception, both segmental and suprasegmental, may initially impact phonological representations but that with strong protective factors reading may develop normally, allowing PA difficulties to be overcome.
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