The association between cognition and dual-tasking among older adults: the effect of motor function type and cognition task difficulty
Hossein Ehsani,1,2 Martha Jane Mohler,1–3 Kathy O’Connor,4 Edward Zamrini,4,5 Coco Tirambulo,2 Nima Toosizadeh1–3 1Department of Biomedical Engineering, University of Arizona, Tucson, AZ, USA; 2Arizona Center on Aging, Department of Medicine, University of Arizona, Tuc...
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Dove Medical Press
2019
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oai:doaj.org-article:f45b8f92c1164fa189e802c315a2d4a02021-12-02T02:23:06ZThe association between cognition and dual-tasking among older adults: the effect of motor function type and cognition task difficulty1178-1998https://doaj.org/article/f45b8f92c1164fa189e802c315a2d4a02019-04-01T00:00:00Zhttps://www.dovepress.com/1the-association-between-cognition-and-dual-tasking-among-older-a-peer-reviewed-article-CIAhttps://doaj.org/toc/1178-1998Hossein Ehsani,1,2 Martha Jane Mohler,1–3 Kathy O’Connor,4 Edward Zamrini,4,5 Coco Tirambulo,2 Nima Toosizadeh1–3 1Department of Biomedical Engineering, University of Arizona, Tucson, AZ, USA; 2Arizona Center on Aging, Department of Medicine, University of Arizona, Tucson, AZ, USA; 3Division of Geriatrics, General Internal Medicine and Palliative Medicine, Department of Medicine, University of Arizona, Tucson, AZ, USA; 4Neurology Department, Banner Sun Health Research Institute, Sun City, AZ, USA; 5Department of Neurology, University of Utah, Salt Lake City, UT, USA Background: Dual-task actions challenge cognitive processing. The usefulness of objective methods based on dual-task actions to identify the cognitive status of older adults has been previously demonstrated. However, the properties of select motor and cognitive tasks are still debatable. We investigated the effect of cognitive task difficulty and motor task type (walking versus an upper-extremity function [UEF]) in identifying cognitive impairment in older adults. Methods: Older adults (≥65 years) were recruited, and cognitive ability was measured using the Montreal Cognitive Assessment (MoCA). Participants performed repetitive elbow flexion under three conditions: 1) at maximum pace alone (Single-task); and 2) while counting backward by ones (Dual-task 1); and 3) threes (Dual-task 2). Similar single- and dual-task gait were performed at normal speed. Three-dimensional kinematics were measured for both motor functions using wearable sensors. Results: One-hundred older adults participated in this study. Based on MoCA score <20, 21 (21%) of the participants were considered cognitively impaired (mean age =86±10 and 85±5 for cognitively impaired and intact participants, respectively). Within ANOVA models adjusted with demographic information, UEF dual-task parameters, including speed and range-of-motion variability were significantly higher by 52% on average, among cognitively impaired participant (p<0.01). Logistic models with these UEF parameters plus age predicted cognitive status with sensitivity, specificity, and area under curve (AUC) of 71%, 81% and 0.77 for Dual-task 1. The corresponding values for UEF Dual-task 2 were 91%, 73% and 0.81, respectively. ANOVA results were non-significant for gait parameters within both dual-task conditions (p>0.26). Conclusion: This study demonstrated that counting backward by threes within a UEF dual-task experiment was a pertinent and challenging enough task to detect cognitive impairment in older adults. Additionally, UEF was superior to gait as the motor task component of the dual-task. The UEF dual-task could be applied as a quick memory screen in a clinical setting. Keywords: wearable motion sensor, gait, upper-extremity function, biomechanics, MCI, Alzheimer’s diseaseEhsani HMohler MJO’Connor KZamrini ETirambulo CToosizadeh NDove Medical PressarticleMCICognitive impairmentGaitUpper-extremity functionCounting backwardMoCAdementiaAlzheimer's DiseaseGeriatricsRC952-954.6ENClinical Interventions in Aging, Vol Volume 14, Pp 659-669 (2019) |
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DOAJ |
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EN |
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MCI Cognitive impairment Gait Upper-extremity function Counting backward MoCA dementia Alzheimer's Disease Geriatrics RC952-954.6 |
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MCI Cognitive impairment Gait Upper-extremity function Counting backward MoCA dementia Alzheimer's Disease Geriatrics RC952-954.6 Ehsani H Mohler MJ O’Connor K Zamrini E Tirambulo C Toosizadeh N The association between cognition and dual-tasking among older adults: the effect of motor function type and cognition task difficulty |
| description |
Hossein Ehsani,1,2 Martha Jane Mohler,1–3 Kathy O’Connor,4 Edward Zamrini,4,5 Coco Tirambulo,2 Nima Toosizadeh1–3 1Department of Biomedical Engineering, University of Arizona, Tucson, AZ, USA; 2Arizona Center on Aging, Department of Medicine, University of Arizona, Tucson, AZ, USA; 3Division of Geriatrics, General Internal Medicine and Palliative Medicine, Department of Medicine, University of Arizona, Tucson, AZ, USA; 4Neurology Department, Banner Sun Health Research Institute, Sun City, AZ, USA; 5Department of Neurology, University of Utah, Salt Lake City, UT, USA Background: Dual-task actions challenge cognitive processing. The usefulness of objective methods based on dual-task actions to identify the cognitive status of older adults has been previously demonstrated. However, the properties of select motor and cognitive tasks are still debatable. We investigated the effect of cognitive task difficulty and motor task type (walking versus an upper-extremity function [UEF]) in identifying cognitive impairment in older adults. Methods: Older adults (≥65 years) were recruited, and cognitive ability was measured using the Montreal Cognitive Assessment (MoCA). Participants performed repetitive elbow flexion under three conditions: 1) at maximum pace alone (Single-task); and 2) while counting backward by ones (Dual-task 1); and 3) threes (Dual-task 2). Similar single- and dual-task gait were performed at normal speed. Three-dimensional kinematics were measured for both motor functions using wearable sensors. Results: One-hundred older adults participated in this study. Based on MoCA score <20, 21 (21%) of the participants were considered cognitively impaired (mean age =86±10 and 85±5 for cognitively impaired and intact participants, respectively). Within ANOVA models adjusted with demographic information, UEF dual-task parameters, including speed and range-of-motion variability were significantly higher by 52% on average, among cognitively impaired participant (p<0.01). Logistic models with these UEF parameters plus age predicted cognitive status with sensitivity, specificity, and area under curve (AUC) of 71%, 81% and 0.77 for Dual-task 1. The corresponding values for UEF Dual-task 2 were 91%, 73% and 0.81, respectively. ANOVA results were non-significant for gait parameters within both dual-task conditions (p>0.26). Conclusion: This study demonstrated that counting backward by threes within a UEF dual-task experiment was a pertinent and challenging enough task to detect cognitive impairment in older adults. Additionally, UEF was superior to gait as the motor task component of the dual-task. The UEF dual-task could be applied as a quick memory screen in a clinical setting. Keywords: wearable motion sensor, gait, upper-extremity function, biomechanics, MCI, Alzheimer’s disease |
| format |
article |
| author |
Ehsani H Mohler MJ O’Connor K Zamrini E Tirambulo C Toosizadeh N |
| author_facet |
Ehsani H Mohler MJ O’Connor K Zamrini E Tirambulo C Toosizadeh N |
| author_sort |
Ehsani H |
| title |
The association between cognition and dual-tasking among older adults: the effect of motor function type and cognition task difficulty |
| title_short |
The association between cognition and dual-tasking among older adults: the effect of motor function type and cognition task difficulty |
| title_full |
The association between cognition and dual-tasking among older adults: the effect of motor function type and cognition task difficulty |
| title_fullStr |
The association between cognition and dual-tasking among older adults: the effect of motor function type and cognition task difficulty |
| title_full_unstemmed |
The association between cognition and dual-tasking among older adults: the effect of motor function type and cognition task difficulty |
| title_sort |
association between cognition and dual-tasking among older adults: the effect of motor function type and cognition task difficulty |
| publisher |
Dove Medical Press |
| publishDate |
2019 |
| url |
https://doaj.org/article/f45b8f92c1164fa189e802c315a2d4a0 |
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