Dopamine and Sensorimotor Function in Stuttering

Summary

This study is being done to understand the effect of aripiprazole on adults who stutter. Stuttering is a disorder that affects speech fluency. This study aims to understand sensorimotor pathways of stuttering and possible interventions.

Timeline

Start

2025-09-30

Primary completion

2026-06-30

Completion

2026-06-30

Publications

• Background Toyomura A, Miyashiro D, Kuriki S, Sowman PF. Speech-Induced Suppression for Delayed Auditory Feedback in Adults Who Do and Do Not Stutter. Front Hum Neurosci. 2020 Apr 24;14:150. doi: 10.3389/fnhum.2020.00150. eCollection 2020.
• Background Beal DS, Quraan MA, Cheyne DO, Taylor MJ, Gracco VL, De Nil LF. Speech-induced suppression of evoked auditory fields in children who stutter. Neuroimage. 2011 Feb 14;54(4):2994-3003. doi: 10.1016/j.neuroimage.2010.11.026. Epub 2010 Nov 21.
• Background Beal DS, Cheyne DO, Gracco VL, Quraan MA, Taylor MJ, De Nil LF. Auditory evoked fields to vocalization during passive listening and active generation in adults who stutter. Neuroimage. 2010 Oct 1;52(4):1645-53. doi: 10.1016/j.neuroimage.2010.04.277. Epub 2010 May 7.
• Background Daliri A, Max L. Stuttering adults' lack of pre-speech auditory modulation normalizes when speaking with delayed auditory feedback. Cortex. 2018 Feb;99:55-68. doi: 10.1016/j.cortex.2017.10.019. Epub 2017 Nov 13.
• Background Daliri A, Max L. Modulation of auditory processing during speech movement planning is limited in adults who stutter. Brain Lang. 2015 Apr;143:59-68. doi: 10.1016/j.bandl.2015.03.002. Epub 2015 Mar 18.
• Background Daliri A, Max L. Electrophysiological evidence for a general auditory prediction deficit in adults who stutter. Brain Lang. 2015 Nov;150:37-44. doi: 10.1016/j.bandl.2015.08.008. Epub 2015 Aug 31.
• Background Park CH, Park TW, Yang JC, Lee KH, Huang GB, Tong Z, Park MS, Chung YC. No negative symptoms in healthy volunteers after single doses of amisulpride, aripiprazole, and haloperidol: a double-blind placebo-controlled trial. Int Clin Psychopharmacol. 2012 Mar;27(2):114-20. doi: 10.1097/YIC.0b013e3283502773.
• Background Tran NL, Maguire GA, Franklin DL, Riley GD. Case report of aripiprazole for persistent developmental stuttering. J Clin Psychopharmacol. 2008 Aug;28(4):470-2. doi: 10.1097/JCP.0b013e31817ea9ad. No abstract available.
• Background Kim BU, Kim HW, Park EJ, Kim JH, Boon-Yasidhi V, Tarugsa J, Reyes A, Manalo SG, Joung YS. Long-Term Improvement and Safety of Aripiprazole for Irritability and Adaptive Function in Asian Children and Adolescents with Autistic Disorder: A 52-Week, Multinational, Multicenter, Open-Label Study. J Child Adolesc Psychopharmacol. 2022 Sep;32(7):390-399. doi: 10.1089/cap.2022.0004.
• Background Maguire GA, Nguyen DL, Simonson KC, Kurz TL. The Pharmacologic Treatment of Stuttering and Its Neuropharmacologic Basis. Front Neurosci. 2020 Mar 27;14:158. doi: 10.3389/fnins.2020.00158. eCollection 2020.
• Background Alm PA. The Dopamine System and Automatization of Movement Sequences: A Review With Relevance for Speech and Stuttering. Front Hum Neurosci. 2021 Dec 2;15:661880. doi: 10.3389/fnhum.2021.661880. eCollection 2021.

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