Woods, Bob;
Rai, Harleen Kaur;
Elliott, Emma;
Aguirre, Elisa;
Orrell, Martin;
Spector, Aimee;
(2023)
Cognitive stimulation to improve cognitive functioning in people with dementia.
Cochrane Database of Systematic Reviews
, 2023
(1)
, Article CD005562. 10.1002/14651858.cd005562.pub3.
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Abstract
Background Cognitive stimulation (CS) is an intervention for people with dementia oCering a range of enjoyable activities providing general stimulation for thinking, concentration and memory, usually in a social setting, such as a small group. CS is distinguished from other approaches such as cognitive training and cognitive rehabilitation by its broad focus and social elements, aiming to improve domains such as quality of life (QoL) and mood as well as cognitive function. Recommended in various guidelines and widely implemented internationally, questions remain regarding diCerent modes of delivery and the clinical significance of any benefits. A systematic review of CS is important to clarify its eCectiveness and place practice recommendations on a sound evidence base. This review was last updated in 2012. Objectives To evaluate the evidence for the eCectiveness of CS for people with dementia, including any negative eCects, on cognition and other relevant outcomes, accounting where possible for diCerences in its implementation. Search methods We identified trials from a search of the Cochrane Dementia and Cognitive Improvement Group Specialized Register, last searched on 3 March 2022. We used the search terms: cognitive stimulation, reality orientation, memory therapy, memory groups, memory support, memory stimulation, global stimulation, cognitive psychostimulation. We performed supplementary searches in a number of major healthcare databases and trial registers to ensure the search was up-to-date and comprehensive. Selection criteria We included all randomised controlled trials (RCTs) of CS for dementia published in peer review journals in the English language incorporating a measure of cognitive change. Data collection and analysis We used standard methodological procedures expected by Cochrane. As CS is a psychosocial intervention, we did not expect those receiving or delivering CS to be blinded to the nature of the intervention. Where necessary, we contacted study authors requesting data not provided in the papers. Where appropriate, we undertook subgroup analysis by modality (individual versus group), number of sessions and frequency, setting (community versus care home), type of control condition and dementia severity. We used GRADE methods to assess the overall quality of evidence for each outcome.
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