Effects of altered auditory feedback (AAF) on stuttering frequency during monologue speech production

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dc.contributor.author Antipova, EA en
dc.contributor.author Purdy, Suzanne en
dc.contributor.author Blakeley, M en
dc.contributor.author Williams, S en
dc.date.accessioned 2012-03-25T19:56:45Z en
dc.date.issued 2008 en
dc.identifier.citation J Fluency Disord 33(4):274-290 Dec 2008 en
dc.identifier.issn 0094-730X en
dc.identifier.uri http://hdl.handle.net/2292/15192 en
dc.description.abstract The present study investigated the immediate effects of eight altered auditory feedback (AAF) parameters on stuttering frequency during monologue speech production on two occasions. One of the modern commercially available portable anti-stuttering devices, “The Pocket Speech Lab” (Casa Futura Technologies®) was used in the study to produce the auditory feedback alterations. Six types of combined delayed auditory feedback (DAF) and frequency shifted auditory feedback (FAF) and two types of DAF alone were tested for eight participants aged 16–55 years, with stuttering severity ranging from mild to severe. The present study found that AAF is an effective means to reduce stuttering frequency during monologue speech production. All eight AAF experimental conditions reduced stuttering frequency, however, there was substantial variability in the stuttering reduction effect across experimental conditions and across participants. There was also instability in stuttering reduction across the two testing sessions. On average, a 75 ms time delay on its own and a combination of the 75 ms time delay and a half octave downward frequency shift were found to be more effective than other combinations of AAF parameters that were investigated. en
dc.publisher Elsevier en
dc.relation.ispartofseries Journal of Fluency Disorders en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. Details obtained from http://www.sherpa.ac.uk/romeo/issn/0094-730X/ en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.title Effects of altered auditory feedback (AAF) on stuttering frequency during monologue speech production en
dc.type Journal Article en
dc.identifier.doi 10.1016/j.jfludis.2008.09.002 en
pubs.issue 4 en
pubs.begin-page 274 en
pubs.volume 33 en
dc.rights.holder Copyright: Elsevier en
dc.identifier.pmid 19328980 en
pubs.end-page 290 en
dc.rights.accessrights http://purl.org/eprint/accessRights/RestrictedAccess en
pubs.subtype Article en
pubs.elements-id 84234 en
pubs.org-id Science en
pubs.org-id Psychology en
pubs.record-created-at-source-date 2010-09-01 en
pubs.dimensions-id 19328980 en


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