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Respiratory and laryngeal responses ...

Huber, Jessica Eugenie.

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Respiratory and laryngeal responses to an oral air pressure bleed during speech.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Respiratory and laryngeal responses to an oral air pressure bleed during speech./
作者:	Huber, Jessica Eugenie.
面頁冊數:	137 p.
附註:	Source: Dissertation Abstracts International, Volume: 62-04, Section: B, page: 1835.
Contained By:	Dissertation Abstracts International62-04B.
標題:	Health Sciences, Speech Pathology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3010835
ISBN:	0493207635

Respiratory and laryngeal responses to an oral air pressure bleed during speech.
Huber, Jessica Eugenie.

Respiratory and laryngeal responses to an oral air pressure bleed during speech. - 137 p.

Source: Dissertation Abstracts International, Volume: 62-04, Section: B, page: 1835.

Thesis (Ph.D.)--State University of New York at Buffalo, 2001.

It is widely believed that the three speech system components (respiratory, laryngeal, and supralaryngeal) interact in a complex manner during speech, and there is an abundance of data supporting the coordination between the three components. Previous studies have demonstrated interactions between two of the three components. However, few experimental studies demonstrated the nature of the interactions among all three components. The current study was designed to describe the nature of the interaction among the three speech system components in normal adults. In the production study, speakers produced syllable trains, consisting of seven syllables of [palpha] in each of three conditions. The "leak" tube conditions were produced with a tube affixed to the right premolars and palate, projecting out of the oral cavity. In the tube no bleed condition, one end of the tube was blocked, while in the tube with bleed condition both ends of the tube were open, allowing air pressure to leak out during the production of [p]. The syllable train was also produced normally, without a "leak" tube. Measurements of respiratory kinematics, laryngeal aerodynamics, oral aerodynamics, and acoustics were made in all three conditions. In the perceptual study, listeners completed an identification task and a discrimination task. The identification task was used to assess the effect of the "leak" tube on listeners' identification of [p]. The discrimination task was used to assess whether fine acoustic differences between the two "leak" tube conditions were present. The data demonstrated active compensations in the respiratory component to the loss of air pressure from the supralaryngeal component. Compensations in the respiratory component were indicated by changes in respiratory kinematics commensurate with increasing the driving force to the speech system. The data suggested that respiratory compensations resulted in the maintenance of equivalent subglottal pressure across all three conditions. There was little empirical evidence of laryngeal component compensations. Perceptual data demonstrated that perceptual adequacy was not maintained. Implications of the data were discussed relative to two well-known theories of speech motor control, the Regulation-Control Theory and the Perceptual-Auditory Theory, and possible neural mechanisms for the sensation of pressure change.

ISBN: 0493207635Subjects--Topical Terms:

1018105
Health Sciences, Speech Pathology.

Respiratory and laryngeal responses to an oral air pressure bleed during speech.
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