Effects of Altered Auditory Feedback on Speech Fluency

Running, not enrolling · Not applicable

Conditions studied: Stuttering, Adult

In brief

The purpose of the study is to use altered auditory vocal feedback to increase fluency in people who stutter and to examine changes in this effect over the course of a one month period occurring outside the laboratory setting.

Key facts

Study ID

NCT06011837

Run by

Massachusetts Institute of Technology

People needed

100

Starts

2023-05-26

Expected to finish

2026-06-01

Last updated by the study team

2026-05-14

Who can join

Age: 18 and older, up to 100. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Identifies as a person who stutters
• Is US citizen or green card holder currently residing in the US
• Has one of the following Apple devices:
• iPhone with iOS 12.0 or later
• iPad with iPadOS 12.0 or later
• iPod touch with iOS 12.0 or later
• Mac with macOS 11.0 or later and an Apple M1 chip or later
• Has a SEPARATE browser-supporting device with a microphone
• Is able to conduct the study in English
• Qualifies based on an initial screening evaluation (Greater than 2.5% Stuttering-Like Dysfluencies per syllable)

Where it is running

• Massachusetts Institute of Technology — Cambridge, Massachusetts, United States

Full record on ClinicalTrials.gov

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