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Rhythm Perception and Its Role in Perception and Learning of Dysrhythmic Speech.

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Title: Rhythm Perception and Its Role in Perception and Learning of Dysrhythmic Speech.
Authors: Borrie, Stephanie A.1 stephanie.borrie@usu.edu, Lansford, Kaitlin L.2, Barrett, Tyson S.3
Source: Journal of Speech, Language & Hearing Research. Mar2017, Vol. 60 Issue 3, p561-570. 10p. 2 Charts, 2 Graphs.
Subject Terms: *Auditory perception, *Language rhythm, *Dysarthria, *Comprehension, *Intelligibility of speech, *Learning, *Speech perception, *Vocabulary, Deafness, Speech, Prompts (Psychology)
Abstract: Purpose: The perception of rhythm cues plays an important role in recognizing spoken language, especially in adverse listening conditions. Indeed, this has been shown to hold true even when the rhythm cues themselves are dysrhythmic. This study investigates whether expertise in rhythm perception provides a processing advantage for perception (initial intelligibility) and learning (intelligibility improvement) of naturally dysrhythmic speech, dysarthria. Method: Fifty young adults with typical hearing participated in 3 key tests, including a rhythm perception test, a receptive vocabulary test, and a speech perception and learning test, with standard pretest, familiarization, and posttest phases. Initial intelligibility scores were calculated as the proportion of correct pretest words, while intelligibility improvement scores were calculated by subtracting this proportion from the proportion of correct posttest words. Results: Rhythm perception scores predicted intelligibility improvement scores but not initial intelligibility. On the other hand, receptive vocabulary scores predicted initial intelligibility scores but not intelligibility improvement. Conclusions: Expertise in rhythm perception appears to provide an advantage for processing dysrhythmic speech, but a familiarization experience is required for the advantage to be realized. Findings are discussed in relation to the role of rhythm in speech processing and shed light on processing models that consider the consequence of rhythm abnormalities in dysarthria. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Speech, Language & Hearing Research is the property of American Speech-Language-Hearing Association and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Education Research Complete
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  Data: Rhythm Perception and Its Role in Perception and Learning of Dysrhythmic Speech.
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  Data: <searchLink fieldCode="AR" term="%22Borrie%2C+Stephanie+A%2E%22">Borrie, Stephanie A.</searchLink><relatesTo>1</relatesTo><i> stephanie.borrie@usu.edu</i><br /><searchLink fieldCode="AR" term="%22Lansford%2C+Kaitlin+L%2E%22">Lansford, Kaitlin L.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Barrett%2C+Tyson+S%2E%22">Barrett, Tyson S.</searchLink><relatesTo>3</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Speech%2C+Language+%26+Hearing+Research%22">Journal of Speech, Language & Hearing Research</searchLink>. Mar2017, Vol. 60 Issue 3, p561-570. 10p. 2 Charts, 2 Graphs.
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  Data: *<searchLink fieldCode="DE" term="%22Auditory+perception%22">Auditory perception</searchLink><br />*<searchLink fieldCode="DE" term="%22Language+rhythm%22">Language rhythm</searchLink><br />*<searchLink fieldCode="DE" term="%22Dysarthria%22">Dysarthria</searchLink><br />*<searchLink fieldCode="DE" term="%22Comprehension%22">Comprehension</searchLink><br />*<searchLink fieldCode="DE" term="%22Intelligibility+of+speech%22">Intelligibility of speech</searchLink><br />*<searchLink fieldCode="DE" term="%22Learning%22">Learning</searchLink><br />*<searchLink fieldCode="DE" term="%22Speech+perception%22">Speech perception</searchLink><br />*<searchLink fieldCode="DE" term="%22Vocabulary%22">Vocabulary</searchLink><br /><searchLink fieldCode="DE" term="%22Deafness%22">Deafness</searchLink><br /><searchLink fieldCode="DE" term="%22Speech%22">Speech</searchLink><br /><searchLink fieldCode="DE" term="%22Prompts+%28Psychology%29%22">Prompts (Psychology)</searchLink>
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  Label: Abstract
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  Data: Purpose: The perception of rhythm cues plays an important role in recognizing spoken language, especially in adverse listening conditions. Indeed, this has been shown to hold true even when the rhythm cues themselves are dysrhythmic. This study investigates whether expertise in rhythm perception provides a processing advantage for perception (initial intelligibility) and learning (intelligibility improvement) of naturally dysrhythmic speech, dysarthria. Method: Fifty young adults with typical hearing participated in 3 key tests, including a rhythm perception test, a receptive vocabulary test, and a speech perception and learning test, with standard pretest, familiarization, and posttest phases. Initial intelligibility scores were calculated as the proportion of correct pretest words, while intelligibility improvement scores were calculated by subtracting this proportion from the proportion of correct posttest words. Results: Rhythm perception scores predicted intelligibility improvement scores but not initial intelligibility. On the other hand, receptive vocabulary scores predicted initial intelligibility scores but not intelligibility improvement. Conclusions: Expertise in rhythm perception appears to provide an advantage for processing dysrhythmic speech, but a familiarization experience is required for the advantage to be realized. Findings are discussed in relation to the role of rhythm in speech processing and shed light on processing models that consider the consequence of rhythm abnormalities in dysarthria. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Speech, Language & Hearing Research is the property of American Speech-Language-Hearing Association and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1044/2016_JSLHR-S-16-0094
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      – SubjectFull: Language rhythm
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      – SubjectFull: Dysarthria
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      – SubjectFull: Intelligibility of speech
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      – SubjectFull: Speech perception
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      – SubjectFull: Deafness
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      – SubjectFull: Speech
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      – TitleFull: Rhythm Perception and Its Role in Perception and Learning of Dysrhythmic Speech.
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              Text: Mar2017
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