In a recent trial investigating the effectiveness of speech and language therapy versus a control intervention in poststroke aphasia, patient outcome improved equally in both groups. However, flaws in the study relating to design of the control intervention, inadequate therapy 'dose', and the interpretation of null results should be highlighted.
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Leff, A., Howard, D. Has speech and language therapy been shown not to work?. Nat Rev Neurol 8, 600–601 (2012). https://doi.org/10.1038/nrneurol.2012.211
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DOI: https://doi.org/10.1038/nrneurol.2012.211
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