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LSVT Programs for Parkinson Disease

The LSVT programs have been developed and scientifically researched over the past 20 years with funding from the National Institutes of Health.

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LSVT® LOUD is a speech therapy treatment for individuals with Parkinson's disease and other neurological conditions. LSVT® LOUD focuses on improving vocal loudness with immediate carryover into daily communication to help patients maintain and/or improve oral communication.


Fifteen years of research funded by the National Institute of Health (NIH) has demonstrated LSVT® LOUD:

  • Improved loudness
  • Improved speech intelligibility
  • Increased facial expression
  • Evidence-based treatment with level 1 efficacy
  • All patients report improvement in ability to communicate
  • 90% of patients improve vocal loudness from pre to post-treatment
  • 80% maintain improvements for 12-24 months

LSVT® LOUD is an intensive program consisting of:

  • 16 sessions: four days per week for four weeks totaling 16 sessions.
  • Each session is one hour.


LSVT® BIG is a research-based exercise approach developed from principles of the effective Parkinson’s specific speech treatment.

Research of LSVT® BIG has documented improved ratings on tests of motor functioning in people with Parkinson's disease following treatment.


Improvements include:

  • Faster walking with bigger steps
  • Improved balance
  • Increased trunk rotation

LSVT® BIG will teach you how to avoid inactivity and keep your movements alive during everyday activities. It will help you participate fully and improve the quality of your life!

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