Abstract:
BACKGROUND:Overt stuttering is inhibited by approximately 80% when people who stutter read aloud as they hear an altered form of their speech feedback to them. However, levels of stuttering inhibition vary from 60% to 100% depending on speaking situation and signal presentation. For example, binaural presentations of delayed auditory feedback (DAF) and frequency-altered feedback (FAF) have been shown to reduce stuttering by approximately 57% during scripted telephone conversations. AIMS:To examine stuttering frequency under monaural auditory feedback with one combination of DAF with FAF (COMBO-2) and two combinations of DAF with FAF (COMBO-4) during scripted telephone conversations. METHODS & PROCEDURES:Nine adult participants who stutter called 15 local businesses during scripted telephone conversations; each condition consisted of five randomized telephone calls. Conditions consisted of (1) baseline (i.e. non-altered feedback), (2) COMBO-2 (i.e. 50-ms delay with a half octave spectral shift up), and (3) COMBO-4 (i.e. 200-ms delay and a half octave spectral shift down in addition to the COMBO-2). Participants wore a supra-aural headset with a dynamic condenser microphone while holding a receiver to their contralateral ear when making telephone calls. OUTCOMES & RESULTS:Stuttering was significantly reduced during both altered auditory feedback (AAF) conditions by approximately 65%. Furthermore, a greater reduction in stuttering was revealed during the COMBO with four effects (74%) as compared with the COMBO with two effects (63%). CONCLUSIONS & IMPLICATIONS:Results from the current study support prior research reporting decreased stuttering under AAF during scripted telephone conversations. Findings that stuttering was significantly reduced to a greater extent under the COMBO with four effects condition suggest that second signals reduce stuttering along a continuum. Additionally, findings support prior research results of decreased stuttering frequency under AAF during hierarchically difficult speaking situations. Clinical application of these findings may be that people who stutter can use specific software or smartphone applications that produce second speech signals to inhibit stuttering frequency effectively during telephone conversations.
journal_name
Int J Lang Commun Disordauthors
Hudock D,Kalinowski Jdoi
10.1111/1460-6984.12053subject
Has Abstractpub_date
2014-01-01 00:00:00pages
139-47issue
1eissn
1368-2822issn
1460-6984journal_volume
49pub_type
临床试验,杂志文章abstract:BACKGROUND:Listening to how people talk about the consequences of acquired aphasia helps one gain insight into how people construe disability and communication disability in particular. It has been found that some of these construals can be more of a disabling barrier in re-engaging with life than the communication imp...
journal_title:International journal of language & communication disorders
pub_type: 杂志文章
doi:10.1080/13682820701697947
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journal_title:International journal of language & communication disorders
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journal_title:International journal of language & communication disorders
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journal_title:International journal of language & communication disorders
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journal_title:International journal of language & communication disorders
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journal_title:International journal of language & communication disorders
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journal_title:International journal of language & communication disorders
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journal_title:International journal of language & communication disorders
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journal_title:International journal of language & communication disorders
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