Speech and language therapy versus placebo or no intervention for speech problems in Parkinson's disease

Clare P Herd, Claire L Tomlinson, Katherine HO Dean, Marian C Brady, Christina H Smith , Catherine Sackley, Carl E Clarke

Research output: Contribution to journalArticle


Parkinson's disease patients commonly suffer from speech and vocal problems including dysarthric speech, reduced loudness and loss of articulation. These symptoms increase in frequency and intensity with progression of the disease). Speech and language therapy (SLT) aims to improve the intelligibility of speech with behavioural treatment techniques or instrumental aids.
Original languageEnglish
Article numberArt. No.:CD002812
JournalCochrane Database of Systematic Reviews
Issue number8
Publication statusPublished - 2012



  • speech therapy
  • language therapy
  • placebo
  • Parkinson's disease

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