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Scientifically validated over the last 30 years with research funding from the National Institutes of Health and other organizations, LSVT LOUD is the only speech treatment with level one evidence for people with Parkinson's. Published outcomes on LSVT LOUD have documented:
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Increased vocal loudness
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Improved articulation and speech intelligibility
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Improved intonation
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Improvements in facial expression
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Changes in neural functioning related to voice and speech.
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