E-mail Bill Parry at stutteringtherap@aol.com for further information or to arrange a free consultation.

William D. Parry, J.D., M.A., CF-SLP

(Author of Understanding & Controlling Stuttering: A Comprehensive New Approach Based on the Valsalva Hypothesis )



Beating Stuttering Blocks

A Self-Help Strategy for Defeating Stuttering Blocks by Valsalva Control


Excerpts from a workshop on Valsalva Control Therapy for Stuttering presented at the National Stuttering Association’s Annual Conference and Research Symposium -Scottsdale, Arizona, July 2009. by





Part 1: The Kind of Stuttering This Workshop Is About; Introduction to Normal Speech.

Part 2:  The Valsalva Mechanism; The Valsalva Hypothesis.

Part 3: Neuromotor Tuning; The Valsalva-Stuttering Cycle

Part 4: The Valsalva-Stuttering Cycle’s Relevance to Therapies; Introduction to Valsalva Control.

Part 5: Valsalva Control Exercises; The Fluency Cycle

Part 6 (Conclusion): Voluntary Valsalva Exercise; Discussion.

Last revised: 9/13/2009

This presentation describes a promising, but still experimental approach to stuttering therapy.  It is not intended to be a substitute for individual diagnosis and treatment by a qualified speech-language pathologist or other appropriate medical specialist.

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Bill Parry discussing stuttering and Valsalva Control on the “AM Philadelphia‿show in January 1985.