A Correlation Between Cognitive Performance and Daily Functioning in Elderly People

Warren, E; Grek, Adrian; Conn, David; Herrmann, Nathan; Icyk, Esther; Kohl, Jack; Silberfeld, Michel

doi:10.1177/089198878900200209

Cited by 68 publications

(38 citation statements)

References 17 publications

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“…We found that poorer physical function coexisted with cognitive impairment, which is compatible with previous observations [1][2][3][4][5][6][7][8][9] . After the adjustment for muscle mass and other possible confounding factors, the difference in physical function performance between the cognitively impaired and nonimpaired groups persisted though the difference had narrowed considerably, illustrating the residual confounding effect of the covariates entered into the regression model, namely muscle mass, age, comorbidities and physical activity level.…”

Section: Discussionsupporting

confidence: 82%

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Functional Decline in Cognitive Impairment – The Relationship between Physical and Cognitive Function

et al. 2008

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Background: Physical function decline is associated with dementia, which might either be mediated by the coexisting sarcopenia or directly related to the impaired cognition. Our objectives are to examine the relationship between cognitive function and performance-based physical function and to test the hypothesis that cognitive function is related to poor physical function independent of muscle mass. Methods: We measured muscle strength, performance-based physical function and muscle mass using dual-energy X-ray absorptiometry and cognitive function using the cognitive part of the Community Screening Instrument of Dementia (CSI-D) in 4,000 community-dwelling Chinese elderly aged >65 years. A CSI-D cognitive score of >28.40 was considered as cognitively impaired. The effect of cognitive impairment on muscle strength and physical function was analyzed by multivariate analysis with adjustment for age, appendicular skeletal mass (ASM), the Physical Activity Scale for the Elderly (PASE) and other comorbidities. Results: In both genders, the cognitively impaired (CSI-D cognitive score >28.40) group had a weaker grip strength (–5.10 kg, p < 0.001 in men; –1.08 kg in women, p < 0.001) and performed worse in the two physical function tests (in men, 6-meter walk speed, –0.13 m/s, p < 0.001, chair stand test, 1.42 s, p < 0.001; in women, 6-meter walk speed, –0.08 m/s, p < 0.001, chair stand test, 1.48 s, p < 0.001). After adjustment for age, ASM, PASE and other comorbidities, significant differences in grip strength (–2.60 kg, p < 0.001 in men; –0.49 kg, p = 0.011 in women) and the two physical function tests persisted between the cognitively impaired and nonimpaired group (in men, 6-meter walk speed, –0.072 m/s, p < 0.001, chair stand test, 0.80 s, p = 0.045; in women, 6-meter walk speed, –0.049 m/s, p < 0.001, chair stand test, 0.98 s, p < 0.001). Conclusions: Poor physical function and muscle strength coexisted with cognitive impairment. This relationship was independent of muscle mass. It is likely therefore that the functional decline in dementia might be related directly to factors resulting in cognitive impairment independently of the coexisting sarcopenia.

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Section: Discussionsupporting

confidence: 82%

“…tive decline was associated with functional disability [1][2][3][4][5] . Lower cognitive function was also associated with poor physical performance in gait speed, standing balance and chair stand tests [6,7] .…”

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confidence: 99%

Functional Decline in Cognitive Impairment – The Relationship between Physical and Cognitive Function

et al. 2008

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“…Its clinical progression would allow implementing therapeutic strategies optimizing the executive functions in daily life complex activities Several studies describe the functional cognitive association and its mutual correlation (Rubial-Álvarez, De Sola, Machado, 2013;Warren, 1989). Complex functional impairment can precede cognitive impairment in aging as well as in some neurological diseases.…”

Section: Discussionmentioning

confidence: 99%

Aging and Functional Complex Activities: Clinical and Social Perspectives

Labos

Zabala

Taktak

et al. 2017

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“…activities of daily living; functional ability; executive functioning; dementia; Alzheimer's disease It has been well established that tests of executive functioning are useful in characterizing frontal lobe brain lesions and various forms of dementia (Kramer et al, 2005;Kennedy, 2004;Razani, Boone, Miller, Lee, & Sherman, 2001; Walker, Meares, Sachdev, & Bodaty, Correspondence: Jill Razani, Ph.D., Department of Psychology, California State University, Northridge, 18111 Nordhoff Street, Northridge, CA 91330-8255, jill.razani@csun.edu, (818) 677-4623, (818) Most available studies have examined the relationship between ADLs and brief cognitive screening measures (e.g., MMSE) and ADLs (Vitaliano et al, 1984;Winograd, 1984) and have generally found strong correlations (Ford, Haley, Thrower, West, & Harrell, 1996;Reed, Jagust, & Seab, 1989;Warren et al, 1989). Similarly, few studies have examined the relationship between ADLs and larger neuropsychological test batteries.…”

Section: Introductionmentioning

confidence: 99%

Relationship Between Executive Functioning and Activities of Daily Living in Patients With Relatively Mild Dementia

Razani

Casas

Wong

et al. 2007

Applied Neuropsychology

105

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There is very little research regarding the relationship between tests of executive functioning and actual functional ability in patients with dementia. Thirty-three patients diagnosed with dementia and 35 age-and education-matched healthy controls were administered tests of executing functioning and an observation-and informant-based activities of daily living (ADL). As expected, the results revealed that the controls outperformed the dementia patients on the executive and ADL tests. Additionally, executive functioning correlated significantly with aspects of functional ability in patients with dementia. This relationship was strongest for tests of verbal fluency (i.e., FAS) and a complex test of cognitive flexibility and reasoning ability (i.e., WCST). These findings suggest that some executive function tests are more sensitive than others for predicting specific functional abilities and that they may be most useful to healthcare professionals for treatment planning. Keywordsactivities of daily living; functional ability; executive functioning; dementia; Alzheimer's disease It has been well established that tests of executive functioning are useful in characterizing frontal lobe brain lesions and various forms of dementia (Kramer et al., 2005;Kennedy, 2004;Razani, Boone, Miller, Lee, & Sherman, 2001; Walker, Meares, Sachdev, & Bodaty, Correspondence: Jill Razani, Ph.D., Department of Psychology, California State University, Northridge, 18111 Nordhoff Street, Northridge, CA 91330-8255, jill.razani@csun.edu, (818) 677-4623, (818) Most available studies have examined the relationship between ADLs and brief cognitive screening measures (e.g., MMSE) and ADLs (Vitaliano et al, 1984;Winograd, 1984) and have generally found strong correlations (Ford, Haley, Thrower, West, & Harrell, 1996;Reed, Jagust, & Seab, 1989;Warren et al., 1989). Similarly, few studies have examined the relationship between ADLs and larger neuropsychological test batteries. Cahn-Weiner et al. (2000) found that executive measures accounted for more variance in ADL performance than demographic variables such as age, health status, and education level in a community-dwelling group of elderly. The authors suggest that of the cognitive domains assessed, decline in executive abilities associated with normal aging may be the best predictor of functional deterioration. Boyle et al. (2003) found that that executive dysfunction on the Dementia Rating Scale alone explained 17% of the variance in instrumental ADLs (e.g., handling finances, managing medications) in patient with Alzheimer's disease. However, the executive measures used in this study were brief and the ADL test was informant rated, which is less reliable than observation-based measures (Pearson, 2000). Back-Madruga et al. (2002) found that a group of frontal-variant Alzheimer's disease patients performed worse on ADL tasks than the typical Alzheimer's patients.In the most comprehensive study to date assessing cognitive functioning and ADLs, Farias, Harrell, Neumann, and Houtz (...

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A Correlation Between Cognitive Performance and Daily Functioning in Elderly People

Cited by 68 publications

References 17 publications

Functional Decline in Cognitive Impairment – The Relationship between Physical and Cognitive Function

Functional Decline in Cognitive Impairment – The Relationship between Physical and Cognitive Function

Aging and Functional Complex Activities: Clinical and Social Perspectives

Relationship Between Executive Functioning and Activities of Daily Living in Patients With Relatively Mild Dementia

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