Modulation of auditory processing during speech movement planning is limited in adults who stutter

Brain and Language
Ayoub Daliri, Ludo Max

Abstract

Stuttering is associated with atypical structural and functional connectivity in sensorimotor brain areas, in particular premotor, motor, and auditory regions. It remains unknown, however, which specific mechanisms of speech planning and execution are affected by these neurological abnormalities. To investigate pre-movement sensory modulation, we recorded 12 stuttering and 12 nonstuttering adults' auditory evoked potentials in response to probe tones presented prior to speech onset in a delayed-response speaking condition vs. no-speaking control conditions (silent reading; seeing nonlinguistic symbols). Findings indicate that, during speech movement planning, the nonstuttering group showed a statistically significant modulation of auditory processing (reduced N1 amplitude) that was not observed in the stuttering group. Thus, the obtained results provide electrophysiological evidence in support of the hypothesis that stuttering is associated with deficiencies in modulating the cortical auditory system during speech movement planning. This specific sensorimotor integration deficiency may contribute to inefficient feedback monitoring and, consequently, speech dysfluencies.

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Citations

Mar 15, 2016·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·Nathan D MaxfieldJennifer J Lister
Jun 1, 2016·Frontiers in Human Neuroscience·Ayoub Daliri, Ludo Max
Sep 20, 2016·Frontiers in Human Neuroscience·Anna-Maria MersovLuc De Nil
Apr 22, 2017·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·P BusanM Sommer
Mar 4, 2017·Developmental Science·Ayoub DaliriSoo-Eun Chang
Oct 4, 2017·Journal of Speech, Language, and Hearing Research : JSLHR·Nathan D Maxfield
Aug 29, 2019·American Journal of Audiology·Dhatri S DevarajuSantosh Maruthy
Jul 23, 2020·Journal of Speech, Language, and Hearing Research : JSLHR·Brianna J McGuffinAyoub Daliri
Dec 14, 2017·CoDAS·Luana Altran PicolotoCristiane Moço Canhetti de Oliveira
Jul 1, 2018·Nature Communications·Steven J Eliades, Joji Tsunada
Mar 31, 2019·Scientific Reports·Raphaël Fargier, Marina Laganaro
Oct 23, 2019·Frontiers in Human Neuroscience·Sarah M E VreeswijkMartin Sommer
Aug 30, 2019·Journal of Speech, Language, and Hearing Research : JSLHR·Ludo Max, Ayoub Daliri
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May 28, 2021·Journal of Speech, Language, and Hearing Research : JSLHR·Ayoub Daliri
Jun 22, 2021·Journal of Speech, Language, and Hearing Research : JSLHR·HeeCheong ChonTorrey M Loucks
Aug 18, 2021·Journal of Speech, Language, and Hearing Research : JSLHR·Shanley B Treleaven, Geoffrey A Coalson
Oct 22, 2021·PloS One·Abigail R Bradshaw, Carolyn McGettigan
May 28, 2019·Folia Phoniatrica Et Logopaedica : Official Organ of the International Association of Logopedics and Phoniatrics (IALP)·Dhatri S DevarajuAjith U Kumar

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