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Transcranial Direct Current Stimulation tDCS for Memory Enhancement

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Published on: September 18, 2021

Cognitive Stimulation for Persons with Dementia: a Systematic Review and Meta-Analysis.

Y L Wong¹, C P W Cheng¹, C S M Wong¹

¹Department of Psychiatry, Queen Mary Hospital, Hong Kong.

East Asian Archives of Psychiatry : Official Journal of the Hong Kong College of Psychiatrists = Dong Ya Jing Shen Ke Xue Zhi : Xianggang Jing Shen Ke Yi Xue Yuan Qi Kan

|September 30, 2021

Summary

This summary is machine-generated.

Cognitive stimulation (CS) significantly improves cognition in individuals with dementia. However, its effects on depressive symptoms and quality of life require further investigation.

Keywords:

Cognition Dementia Meta-analysis Systematic review

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Area of Science:

Neurology
Gerontology
Psychiatry

Background:

Dementia significantly impacts cognitive function, mood, and quality of life.
Cognitive stimulation (CS) is a non-pharmacological intervention explored for dementia management.
Evidence on the comprehensive effects of CS requires systematic evaluation.

Purpose of the Study:

To conduct a systematic review and meta-analysis on the effects of cognitive stimulation (CS) in persons with dementia.
To evaluate the impact of CS on cognition, depressive symptoms, and quality of life.
To identify factors influencing the treatment efficacy of CS.

Main Methods:

Systematic literature search across major databases (MEDLINE, EMBASE, PsycINFO, CINAHL Plus, Cochrane Library) up to March 2019.
Inclusion of 20 randomized controlled trials (RCTs) involving 1251 participants with mild to moderate dementia.
Meta-analysis of outcomes including cognitive function, depressive symptoms, and quality of life.

Main Results:

Cognitive stimulation demonstrated a significant small-to-moderate positive effect on cognitive function (Hedges's g = 0.313, p < 0.001).
Low to moderate heterogeneity was observed among the included CS studies (I² = 37.877%).
Inconclusive results were obtained regarding the effects of CS on depressive symptoms and quality of life.

Conclusions:

Cognitive stimulation is effective in enhancing cognitive function in people with dementia.
The impact of CS on depressive symptoms and quality of life remains uncertain.
Further high-quality research with robust methodologies is needed to establish the efficacy of CS for all assessed outcomes.