The effect of experience and linguistic context on speechreading.
Item
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Title
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The effect of experience and linguistic context on speechreading.
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Identifier
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AAI8821087
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identifier
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8821087
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Creator
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Hanin, Laurie.
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Contributor
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Adviser: Arthur Boothroyd
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Date
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1988
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Language
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English
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Publisher
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City University of New York.
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Subject
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Health Sciences, Audiology | Speech Communication
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Abstract
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It has long been known that there are marked inter-subject differences in speechreading ability. This is true for both hearing-impaired and normal-hearing individuals. The purpose of this study was to test the hypotheses that experience and use of linguistic context during the speechreading task itself are determinants of speechreading competence.;Speechreading performance was measured in 12 post-lingually deaf cochlear implant patients and in 12 normally-hearing adults, who were naive to speechreading. Performance was measured using test materials varying according to the amount of linguistic redundancy present. Percent correct scores were obtained for the recognition of words in sentences and in carrier phrase, and for the recognition of phonemes in words and nonsense syllables.;The experienced speechreaders on average, performed significantly better, on all measures, than did the inexperienced speechreaders. Experience, however, was not a guarantee of speechreading competence, nor was lack of experience incompatible with competence. The sentence data provided evidence of a division of subjects into inherently "better" and "poorer" speechreaders, regardless of experience.;Although speechreading ability was determined according to the sentence data, better speechreaders obtained higher scores on every test measure. The differences, however, between the the better and poorer speechreaders, were greatest for the sentences. These results support the hypothesis that superior use of the syntactic, semantic, and topical context in sentences, during the speechreading task, is an important characteristic of the competent speechreader. While there was some evidence that better speechreaders were also better users of the lexical context in words, the findings were less clear regarding this issue.
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Type
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dissertation
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Source
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PQT Legacy CUNY.xlsx
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degree
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Ph.D.
