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A spectral moments analysis of the a...

Miccio, Adele Whiting.

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A spectral moments analysis of the acquisition of word-initial voiceless fricatives in children with normal and disordered phonologies.

Record Type:	Electronic resources : Monograph/item
Title/Author:	A spectral moments analysis of the acquisition of word-initial voiceless fricatives in children with normal and disordered phonologies./
Author:	Miccio, Adele Whiting.
Description:	159 p.
Notes:	Source: Dissertation Abstracts International, Volume: 56-05, Section: B, page: 2592.
Contained By:	Dissertation Abstracts International56-05B.
Subject:	Health Sciences, Speech Pathology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9531550

A spectral moments analysis of the acquisition of word-initial voiceless fricatives in children with normal and disordered phonologies.
Miccio, Adele Whiting.

A spectral moments analysis of the acquisition of word-initial voiceless fricatives in children with normal and disordered phonologies. - 159 p.

Source: Dissertation Abstracts International, Volume: 56-05, Section: B, page: 2592.

Thesis (Ph.D.)--Indiana University, 1995.

This item must not be sold to any third party vendors.

To determine if fricative development as a result of treatment follows the same pattern as normal development, word-initial voiceless fricatives produced by children with normal and disordered phonologies were investigated using acoustic and perceptual analyses. Three groups of children between the ages of 3;6 and 5;10 years served as subjects. Four children had phonological disorders that involved fricatives, three children had normal developmental errors among fricatives (Younger group), and three children correctly produced fricatives (Older group). Children with disorders were taught one fricative. Children in the Younger group produced all but three fricatives at the beginning of the study. Five months later, one child had a complete inventory and the others each added one more fricative to their inventories. Three treatment subjects learned targeted fricatives. All children acquired stimulable sounds.Subjects--Topical Terms:

1018105
Health Sciences, Speech Pathology.

A spectral moments analysis of the acquisition of word-initial voiceless fricatives in children with normal and disordered phonologies.
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035 $a (MiAaPQ)AAI9531550
035 $a AAI9531550
040 $a MiAaPQ $c MiAaPQ
100 1 $a Miccio, Adele Whiting. $3 3170882
245 1 2 $a A spectral moments analysis of the acquisition of word-initial voiceless fricatives in children with normal and disordered phonologies.
300 $a 159 p.
500 $a Source: Dissertation Abstracts International, Volume: 56-05, Section: B, page: 2592.
500 $a Co-Directors: Mary Elbert; Karen Forrest.
502 $a Thesis (Ph.D.)--Indiana University, 1995.
506 $a This item must not be sold to any third party vendors.
506 $a This item must not be added to any third party search indexes.
520 $a To determine if fricative development as a result of treatment follows the same pattern as normal development, word-initial voiceless fricatives produced by children with normal and disordered phonologies were investigated using acoustic and perceptual analyses. Three groups of children between the ages of 3;6 and 5;10 years served as subjects. Four children had phonological disorders that involved fricatives, three children had normal developmental errors among fricatives (Younger group), and three children correctly produced fricatives (Older group). Children with disorders were taught one fricative. Children in the Younger group produced all but three fricatives at the beginning of the study. Five months later, one child had a complete inventory and the others each added one more fricative to their inventories. Three treatment subjects learned targeted fricatives. All children acquired stimulable sounds.
520 $a Spectral moments analyses were performed on productions of voiceless fricative-vowel syllables. Productions by the normal groups were analyzed at the beginning of the study and five months later. Relationships occurred among the moments, centroid frequency, skewness, and kurtosis, of the acoustic spectra and were consistent across time. Moments differed across place of articulation and analysis interval. The nonsibilants were characterized by almost flat, diffuse spectra and the sibilants grouped together with their peaked appearance. In the Older group, the nonsibilants differed from each other in centroid frequency and skewness, and the sibilants differed in centroid frequency, skewness and kurtosis. In the Younger group, the nonsibilants differed from the sibilants in centroid frequency, skewness, and kurtosis. The sibilants differed in skewness.
520 $a Productions from the disordered group were analyzed pretreatment, posttreatment, and two months later. Stable relationships among the moments were observed posttreatment. The three children who responded to treatment acquired an acoustic distinction between nonsibilants and sibilants. The acoustic cues to correct production were not always the same as those of the normal groups and some subjects used fewer cues.
520 $a When sounds were firmly established, acoustic cues were the same as those reported for adults and more acoustic cues were utilized to distinguish sounds. No significant changes in variability were observed between analysis intervals for any group.
590 $a School code: 0093.
650 4 $a Health Sciences, Speech Pathology. $3 1018105
650 4 $a Language, Linguistics. $3 1018079
650 4 $a Psychology, Developmental. $3 1017557
690 $a 0460
690 $a 0290
690 $a 0620
710 2 $a Indiana University. $3 960096
773 0 $t Dissertation Abstracts International $g 56-05B.
790 $a 0093
791 $a Ph.D.
792 $a 1995
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9531550