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Comparing higher and lower weekly treatment intensity for chronic aphasia: A systematic review and meta-analysis

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journal contribution
posted on 18.01.2021, 00:04 by John Pierce, Robyn O'Halloran, Maya Menahemi Falkov, L Togher, Miranda Rose
© 2020, © 2020 Informa UK Limited, trading as Taylor & Francis Group. Optimizing intensity for aphasia treatment is a high priority research issue for people with aphasia, their families and clinicians, and could result in healthcare cost savings. An important aspect of intensity is the frequency of intervention, or how regularly treatment should be provided each week. While principles of neuroplasticity endorse massed practice, cognitive psychology has established superiority of distributed practice within normal learning. Neither concept has been conclusively tested in aphasia. There have been many literature reviews of intensity in aphasia intervention, but most have not investigated treatment intensity whilst also ensuring that therapy dose and treatment type are identical between study groups. Some have also combined studies across acute, subacute and chronic aphasia. We searched systematically for studies directly comparing higher and lower weekly treatment frequency in chronic aphasia. Eight studies were retrieved and rated for methodological quality. Meta-analysis was completed for group and single case experimental designs. Results showed that there are few studies investigating treatment frequency in chronic aphasia and their quality is low-moderate. Meta-analyses were inconclusive due to limited data, but there was no indication of either schedule being superior. Further research directly comparing treatment schedules is needed.

Funding

The work was supported in part by a La Trobe University Postgraduate Research Scholarship and the NHMRC Centre for Research Excellence in Aphasia Recovery and Rehabilitation [grant number #1153236].

History

Publication Date

01/01/2020

Journal

Neuropsychological Rehabilitation

Pagination

25p.

Publisher

Taylor & Francis

ISSN

0960-2011

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