Investigating Speech Sequencing in Neurotypical Speakers and Persons With Disordered Speech

Stuttering, Developmental Clinical Trial

Official title: Sequencing and Initiation in Speech Production: Investigating Speech Sequencing in Neurotypical Speakers, Persons Who Stutter, and Persons With Primary Progressive Aphasia

Status Not yet recruiting

Clinical Trial Summary

Persistent developmental stuttering affects more than three million people in the United States, and it can have profound adverse effects on quality of life. Despite its prevalence and negative impact, stuttering has resisted explanation and effective treatment, due in large part to a poor understanding of the neural processing impairments underlying the disorder. The overall goal of this study is to improve understanding of the brain mechanisms involved in speech motor planning and how these are disrupted in neurogenic speech disorders, like stuttering. The investigators will do this through an integrated combination of experiments that involve speech production, functional MRI, and non-invasive brain stimulation. The study is designed to test hypotheses regarding the brain processes involved in learning and initiating new speech sound sequences and how those processes compare in persons with persistent developmental stuttering and those with typical speech development. These processes will be studied in both adults and children. Additionally, these processes will be investigated in patients with neurodegenerative speech disorders (primary progressive aphasia) to further inform the investigators understanding of the neural mechanisms that support speech motor sequence learning. Together these experiments will result in an improved account of the brain mechanisms underlying speech production in fluent speakers and individuals who stutter, thereby paving the way for the development of new therapies and technologies for addressing this disorder.

Clinical Trial Description

n/a

Related Conditions & MeSH terms

• Aphasia
• Aphasia, Primary Progressive
• Frontotemporal Dementia
• Pick Disease of the Brain
• Stuttering
• Stuttering, Developmental

• NCT number: NCT05437159
• Study type: Interventional
• Source: Boston University Charles River Campus
• Contact: Frank H Guenther, PhD
• Phone: 6173535765
• Email: guenther@bu.edu
• Status: Not yet recruiting
• Phase: N/A
• Start date: March 2023
• Completion date: May 2026