Self-Administered Computer Therapy for Apraxia of Speech: Two-Period Randomized Control Trial With Crossover

Stroke; a Journal of Cerebral Circulation
Rosemary A VarleySandra P Whiteside

Abstract

There is currently little evidence on effective interventions for poststroke apraxia of speech. We report outcomes of a trial of self-administered computer therapy for apraxia of speech. Effects of speech intervention on naming and repetition of treated and untreated words were compared with those of a visuospatial sham program. The study used a parallel-group, 2-period, crossover design, with participants receiving 2 interventions. Fifty participants with chronic and stable apraxia of speech were randomly allocated to 1 of 2 order conditions: speech-first condition versus sham-first condition. Period 1 design was equivalent to a randomized controlled trial. We report results for this period and profile the effect of the period 2 crossover. Period 1 results revealed significant improvement in naming and repetition only in the speech-first group. The sham-first group displayed improvement in speech production after speech intervention in period 2. Significant improvement of treated words was found in both naming and repetition, with little generalization to structurally similar and dissimilar untreated words. Speech gains were largely maintained after withdrawal of intervention. There was a significant relationship between treat...Continue Reading

References

Mar 22, 2003·Stroke; a Journal of Cerebral Circulation·Sanjit K BhogalMark Speechley
Jan 11, 2012·American Journal of Speech-language Pathology·Julie L WambaughShannon C Mauszycki
Jan 19, 2012·Neuropsychological Rehabilitation·Sandra P WhitesideRosemary A Varley
Apr 24, 2013·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Wendy BestDavid Howard
Mar 31, 2015·American Journal of Speech-language Pathology·Kirrie J BallardMalcolm R McNeil
Apr 25, 2015·Stroke; a Journal of Cerebral Circulation·Alexandra BasilakosJulius Fridriksson

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Citations

Aug 31, 2018·European Journal of Physical and Rehabilitation Medicine·Ayşe A KüçükdeveciNicolas Christodoulou
Jun 2, 2016·The Cochrane Database of Systematic Reviews·Marian C BradyPauline Campbell
Apr 24, 2018·Dementia & Neuropsychologia·Bárbara Costa BeberMaria Cristina de Almeida Freitas Cardoso
Aug 7, 2021·International Journal of Language & Communication Disorders·Claudia BrunsRosemary A Varley

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