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American Journal of Speech-Language Pathology Vol.12 387-399 November 2003. doi:10.1044/1058-0360(2003/085)
© American Speech-Language-Hearing Association
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Effects of Intensive Voice Treatment (the Lee Silverman Voice Treatment [LSVT]) on Ataxic Dysarthria

A Case Study

Shimon Spair 1
Jennifer Spielman 2
Lorraine O. Ramig 3
Stephanie L. Hinds 4
Stefanie Countryman 4
Cynthia Fox 5

Brad Story 5
1 University of Haifa, Haifa, Israel, and National Center for Voice and Speech, The Denver Center for the Performing Arts, CO
2 National Center for Voice and Speech, The Denver Center for the Performing Arts, CO
3 University of Colorado, Boulder, and National Center for Voice and Speech, The Denver Center for the Performing Arts, CO
4 Denver, CO
5 University of Arizona, Tucson, and National Center for Voice and Speech, The Denver Center for the Performing Arts, CO

ramig{at}spot.colorado.edu

This study examined the effects of intensive voice treatment (the Lee Silverman Voice Treatment [LSVT®]) on ataxic dysarthria in a woman with cerebellar dysfunction secondary to thiamine deficiency. Perceptual and acoustic measures were made on speech samples recorded just before the LSVT program was administered, immediately after it was administered, and at 9 months follow-up. Results indicate short- and long-term improvement in phonatory and articulatory functions, speech intelligibility, and overall communication and job-related activity following LSVT. This study's findings provide initial support for the application of LSVT to the treatment of speech disorders accompanying ataxic dysarthria. Potential neural mechanisms that may underlie the effects of loud phonation and LSVT are addressed.

Key Words: ataxia, dysarthria, voice treatment, voice disorders, neurologic disorders

Submitted on March 25, 2002
Accepted on March 28, 2003






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