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By erinreilly.reilly | Updated: Oct. 8, 2022, 11:39 a.m.

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Erin Reilly
Device: 
Delayed Auditory Feedback
Population: 
People who stammer
Augmentative and Alternative Communication  
Speech and Language Therapists
Key role
(AAC) 
(IASLT AAC Working Group 2015)
41%
AAC
IASLT Survey
(IASLT AAC Working Group 2015)
Lack of knowledge 
Participation Model
Opportunity barrier
(Beukelman & Mirenda 2013; ASHA 2004)
Education and training
(Beukelman and Light 2020) 
Delayed Auditory Feedback (DAF)
People who stammer (PWS).
Speech and Language Therapist
Auditory Feedback
(Cai et al. 2012)
DAF
(Miyashiro et al. 2019)
Fluent speech
+ DAF
=Stammer
https://www.clicktorelease.com/code/speech-jammer/
PWS
Fluent speech
+ DAF
=Stammer
+ DAF
= Fluent speech
Research evidence
DAF device can immediately reduce stammering
Speech therapy vs. DAF = similar results
DAF is a viable device for treatment of stammering (randomised control trial)
(Buzzeti and Oliveira 2018; Carrasco, Schiefer and Azevedo 2015; Ritto, Juste and Andrade 2015)
DAF Devices
Does stammering need to be treated?
Neurodiversity
(Constantino 2018)
The Medical Model 
The Neurodiversity Movement
(Constantino 2018)
The Medical Model 
The Neurodiversity Movement
(IASD 2022)
Which model?
I want to reduce my stammering during my best man speech.
-DAF
I choose freedom, not fluency!
-Advocacy
John
Amy
DAF
Thanks for watching.
For further information, please see the reference list.
References
American Speech-Language-Hearing Association (2004) ‘Roles and responsibilities of speech language pathologists with respect to augmentative and alternative communication’, [technical report], ASHA Supplement, 24, pp. 1–17.Beukelman, D. and Mirenda, P. (2013) Augmentative and alternative communication: Supporting children and adults with complex communication needs, 4th ed., Baltimore, MD: Paul H. Brookes Publishing Co.Beukelman, D., and Light, J. (2020) Augmentative & Alternative Communication: Supporting Children and Adults with Complex Communication Needs, 5th ed., Baltimore, MD: Paul H. Brookes Publishing Co.Buzzeti, P. and Oliveira, C. (2018) ‘Immediate effect of delayed auditory feedback on stuttering-like disfluencies’, Revista CEFAC, 20(3), pp. 281–290, available: https://doi.org/10.1590/1982-0216201820319417.Cai, S., Beal, D., Ghosh, S., Tiede, M., Guenther, F. and Perkell, J (2012) ‘Weak responses to auditory feedback perturbation during articulation in persons who stutter: evidence for abnormal motor-auditory transformation’, PLoS ONE, 7(7).Carrasco, E., Schiefer, A., and Azevedo, M. (2015) ‘Effect of the delayed auditory feedback in stuttering’, Audiol Commun Res, 20(2), pp. 116-22.Constantino, C.D. (2018) ‘What Can Stutterers Learn from the Neurodiversity Movement?’, Seminars in Speech & Language, 39(4), pp. 382–396, available: https://doi.org/10.1055/s-0038-1667166.IASLT AAC Working Group (2015) Survey of working practices of Speech and Language Therapists in AAC in Ireland unpublished.Miyashiro, D. et al. (2019) ‘Altered auditory feedback perception following an 8-week mindfulness meditation practice’, International Journal of Psychophysiology, 138, pp. 38–46, available: https://doi.org/10.1016/j.ijpsycho.2019.01.010.Ritto, A., Juste, F. and Andrade, C. (2015) ‘The effect of the SpeechEasy® device on acoustic and speech motor parameters of adults who stutter’, Audiol Commun Res, 20(1), pp. 1-9.

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