Cognitive Training Interventions for Patients with Alzheimer's Disease : A Systematic Review

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http://hdl.handle.net/10138/225852

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Kallio , E-L , Öhman , H , Kautiainen , H , Hietanen , M & Pitkala , K 2017 , ' Cognitive Training Interventions for Patients with Alzheimer's Disease : A Systematic Review ' , Journal of Alzheimer's Disease , vol. 56 , no. 4 , pp. 1349-1372 . https://doi.org/10.3233/JAD-160810

Title: Cognitive Training Interventions for Patients with Alzheimer's Disease : A Systematic Review
Author: Kallio, Eeva-Liisa; Öhman, Hanna; Kautiainen, Hannu; Hietanen, Marja; Pitkala, Kaisu
Contributor: University of Helsinki, Clinicum
University of Helsinki, Clinicum
University of Helsinki, Department of General Practice and Primary Health Care
University of Helsinki, Clinicum
University of Helsinki, University of Helsinki
Date: 2017
Language: eng
Number of pages: 24
Belongs to series: Journal of Alzheimer's Disease
ISSN: 1387-2877
URI: http://hdl.handle.net/10138/225852
Abstract: Background: Cognitive training (CT) refers to guided cognitive exercises designed to improve specific cognitive functions, as well as enhance performance in untrained cognitive tasks. Positive effects of CT on cognitive functions in healthy elderly people and persons with mild cognitive impairment have been reported, but data regarding the effects of CT in patients with dementia is unclear. Objective: We systematically reviewed the current evidence from randomized controlled trials (RCTs) to find out if CT improves or stabilizes cognition and/or everyday functioning in patients with mild and moderate Alzheimer's disease. Results: Altogether, 31 RCTs with CT as either the primary intervention or part of a broader cognitive or multi-component intervention were found. A positive effect was reported in 24 trials, mainly on global cognition and training-specific tasks, particularly when more intensive or more specific CT programs were used. Little evidence of improved everyday functioning was found. Conclusions: Despite some positive findings, the inaccurate definitions of CT, inadequate sample sizes, unclear randomization methods, incomplete datasets at follow-up and multiple testing may have inflated the results in many trials. Future high quality RCTs with appropriate classification and specification of cognitive interventions are necessary to confirm CT as an effective treatment option in Alzheimer's disease.
Subject: Alzheimer's disease
cognition
cognitive training
dementia
systematic review
RANDOMIZED CONTROLLED-TRIAL
OLDER-ADULTS
SINGLE-BLIND
DEMENTIA
REHABILITATION
EFFICACY
STIMULATION
PEOPLE
MEMORY
IMPAIRMENT
3112 Neurosciences
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