Beta Amyloid Peptide: Research Paper : Cognitive and physical impact of cognitive-motor dual-task training in cognitively impaired older adults: An overview

Cognitive and physical impact of cognitive-motor dual-task training in cognitively impaired older adults: An overview

Abstract

Ageing is associated with cognitive decline, ranging from normal to mild cognitive impairment or dementia. This leads to physical and cognitive impairments, which are risk factors for loss of autonomy. Therefore, cognitive and physical training are important for cognitively impaired older adults. The combination of both may represent an efficiency advantage. This overview aims to summarize the effectiveness of cognitive-motor dual-task (CMDT) interventions on cognitive, physical and dual-task functions in cognitively impaired older adults, as well as the safety, adherence, and retention of benefits of these interventions. We searched for systematic reviews or meta-analyses assessing the effects of CMDT interventions on cognitive or physical functions in older adults with mild cognitive impairment or dementia through eight databases (CDSR (Cochrane), MEDLINE, Scopus, EMBASE, CINAHL, PsycINFO, ProQuest and SportDiscus). Two reviewers independently performed the selection, data extraction and risk of bias evaluation. Nine reviews were included in this overview. CMDT interventions were found to be more effective than active control groups on cognitive and physical functions in older adults with cognitive impairment, irrespective of intervention dose and modalities; no information on dual-task functions was available. Retention of benefits, adherence, need for supervision and safety are still unclear. These results should be interpreted with caution, considering the low average methodological quality of included reviews. Future intervention research should follow more rigorous methodological standards and focus on other forms of CMDT.

Keywords: Cognition; Cognitive impairment; Dementia; Dual-task training; Motor..

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