Association between the cost of dual-task and cognitive function in older people with Motoric Cognitive Risk Syndrome: a cross-sectional study
DOI:
https://doi.org/10.17267/2238-2704rpf.2025.e6367Keywords:
Cognition, Dementia, Frailty, Risk FactorsAbstract
INTRODUCTION: Dual-task mobility tests are considered more sensitive than single-task assessments for detecting early cognitive impairment in older adults. However, their association with cognitive performance in individuals with Motoric Cognitive Risk syndrome (MCR) has not been well established. OBJECTIVE: To investigate the relationship between the cost of dual-task testing in the Timed Up and Go (TUG) test with different cognitive demands and cognitive function in older individuals with MCR. METHODOLOGY: Fifty-nine older individuals with MCR were included (89.8% women; mean age: 70 years). The cost of dual-task testing was assessed in two conditions: TUG with counting backwards and TUG with animal naming. Cognitive function was assessed using the Montreal Cognitive Assessment (MoCA), Trail Making Test Part A (TMT-A), Digit Span, and Verbal Fluency tests. Multiple linear regressions, adjusted for age, sex, and education, were conducted. RESULTS: The dual-task cost of the TUG with counting backwards correlated positively with performance in attention and processing speed (TMT-A; r = 0.52; β = 0.17 [0.05 to 0.29]) and negatively with global cognitive performance (MoCA; r = -0.48; β = -1.18 [-2.22 to -0.11]). The TUG with animal naming showed no significant associations with cognitive tests. CONCLUSION: The dual-task cost during the TUG with counting backwards was moderately associated with attention, processing speed, and global cognition in older adults with MCR. No significant associations were observed for the TUG with animal naming. These findings highlight that the type of cognitive demand used in dual-task testing may influence the degree of motor-cognitive interference.
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Copyright (c) 2025 Gabriel de Amorim Batista, Letícia Bojikian Calixtre, Bruno Remígio Cavalcante, Juliana Daniele de Araújo Silva, Késia Moreira Sampaio Amaral, Ruth Lahis da Silva Gonçalves, Michele Callisaya, Ana Carolina Rodarti Pitangui, Rodrigo Cappato de Araújo
This work is licensed under a Creative Commons Attribution 4.0 International License.
This work is licensed under a Creative Commons Attribution 4.0 International License.
