Bidirectional Interference Between Speech and Nonspeech Tasks in Younger, Middle-Aged, and Older Adults.
Purpose: The purpose of this study was to examine divided attention over a large age range by looking at the effects of 3 nonspeech tasks on concurrent speech motor performance. The nonspeech tasks were designed to facilitate measurement of bidirectional interference, allowing examination of their s...
| Publicado en: | Journal of Speech, Language & Hearing Research Vol. 58; no. 6; pp. 1637 - 1654 |
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| Autores principales: | , |
| Formato: | Artículo |
| Publicado: |
American Speech-Language-Hearing Association
Dec2015
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ssf&AN=112088714&site=ehost-live header: @attributes: shortDbName: ssf uiTerm: 112088714 longDbName: Social Sciences Full Text (H.W. Wilson) uiTag: AN controlInfo: bkinfo: jinfo: jid: 10924388 1SM jtl: Journal of Speech, Language & Hearing Research issn: 10924388 maglogo: N pubinfo: dt: Dec2015 vid: 58 iid: 6 pid: 42 pub: American Speech-Language-Hearing Association artinfo: ui: 112088714 10.1044/2015_JSLHR-S-14-0083 ppf: 1637 ppct: 17 formats: fmt: @attributes: type: P size: 2.5MB tig: atl: Bidirectional Interference Between Speech and Nonspeech Tasks in Younger, Middle-Aged, and Older Adults. aug: au: Bailey, Dallin J. Dromey, Christopher affil: Brigham Young University, Provo, UT su: Age distribution Analysis of variance Attention Speech Task performance Cross-sectional method Retrospective studies Statistical correlation Kinematics Speech evaluation Statistics Data analysis Repeated measures design Descriptive statistics sug: subj: Age distribution Analysis of variance Attention Speech Task performance Cross-sectional method Retrospective studies Statistical correlation Kinematics Speech evaluation Statistics Data analysis Repeated measures design Descriptive statistics ab: Purpose: The purpose of this study was to examine divided attention over a large age range by looking at the effects of 3 nonspeech tasks on concurrent speech motor performance. The nonspeech tasks were designed to facilitate measurement of bidirectional interference, allowing examination of their sensitivity to speech activity. A cross-sectional design was selected to explore possible changes in divided-attention effects associated with age. Method: Sixty healthy participants were separated into 3 groups of 20: younger (20s), middle-aged (40s), and older (60s) adults. Each participant completed a speech task (sentence repetitions) once in isolation and once concurrently with each of 3 nonspeech tasks: a semantic-decision linguistic task, a quantitative-comparison cognitive task, and a manual motor task. The nonspeech tasks were also performed in isolation. Results: Data from speech kinematics and nonspeech task performance indicated significant task-specific divided attention interference, with divided attention affecting speech and nonspeech measures in the linguistic and cognitive conditions and affecting speech measures in the manual motor condition. There was also a significant age effect for utterance duration. Conclusions: The results increase what is known about bidirectional interference between speech and other concurrent tasks as well as age effects on speech motor control. pubtype: Academic Journal doctype: Article src: R language: English refInfo: copyright: @attributes: flag: N holdings: @attributes: islocal: N |
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