What is it about?
This study compared the effects of two bone conduction devices that provide altered auditory feedback. Twenty participants completed a vocally demanding task using a standard Forbrain device that provides auditory feedback via bone conduction and a modified Forbrain device that provides more simple auditory feedback. They rated their vocal fatigue on a visual analog scale every 2 min during the vocal loading task. Additionally, pre- and post-loading voice samples were analyzed for acoustic voice parameters. Across all participants, the use of bone conduction–altered auditory feedback devices resulted in a lower vocal fatigue when compared to the condition with no feedback.
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Why is it important?
The results promote bone conduction feedback as a possible preventative tool that may reduce self-reported vocal fatigue and compensatory voice production for healthy individuals without voice disorders.
Perspectives
I had the privilege of collaborating with colleagues from Åbo Akademi University in Turku, Finland on this project. The bone conduction devices involved are fascinating and appear to hold the powerful potential to combat vocal fatigue.
Charles J Nudelman
University of Illinois at Urbana-Champaign
Read the Original
This page is a summary of: Reducing Vocal Fatigue With Bone Conduction Devices: Comparing Forbrain and Sidetone Amplification, Journal of Speech Language and Hearing Research, October 2023, American Speech-Language-Hearing Association (ASHA),
DOI: 10.1044/2023_jslhr-23-00409.
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