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. 2022 Jun 28;12(7):214.
doi: 10.3390/bs12070214.

Executive and Motor Functions in Older Individuals with Cognitive Impairment

Maria Chiara Fastame  1 , Ilaria Mulas  2 , Valeria Putzu  3 , Gesuina Asoni  3 , Daniela Viale  3 , Irene Mameli  3 , Massimiliano Pau  2
Affiliations

Executive and Motor Functions in Older Individuals with Cognitive Impairment

Maria Chiara Fastame et al. Behav Sci (Basel). .

Abstract

Background: A current research trend is the examination of the interplay between cognitive functioning, higher-order processes, and motor efficiency in late adulthood. However, the association between motor and cognitive functions when cognitive decline occurs has not been extensively explored. This study investigated whether gait features, functional mobility, and handgrip strength were associated with executive functions in older people with mild cognitive impairment (MCI) or dementia.

Methods: 127 older participants (Mage = 77.9 years, SD = 5.8 years) who had received a diagnosis of MCI and dementia voluntarily took part in the study. A battery of tests assessing global cognitive function, executive functions, muscular strength, functional mobility, and spatio-temporal parameters of gait was completed by the participants.

Results: Statistically significant correlations were obtained between global cognitive function, executive functions, and motor efficiency measures. Moreover, a series of regression analyses showed that 8-13% of the variance of several motor parameters was predicted by several executive functions. Additionally, walking, functional mobility, and global cognitive function predicted 53-71% of the variance relative to the occurrence of dementia. In conclusion, motor functioning is closely related to cognitive functioning in late adulthood.

Conclusions: The assessment of muscular strength and functional mobility should be promoted in clinical settings.

Keywords: aging; cognitive impairment; executive functions; functional mobility; gait; handgrip; late adulthood; motor skills; muscular strength; older adults.

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Conflict of interest statement

The authors declare no conflict of interest.

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