Effects of force level and task difficulty on force control performance in elderly people

Strote C, Gölz C, Stroehlein JK, Haase FK, Koester D, Reinsberger C, Vieluf S (2020)
Experimental Brain Research 238(10): 2179-2188.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Strote, Caren; Gölz, Christian; Stroehlein, Julia Kristin; Haase, Franziska Katharina; Koester, DirkUniBi ; Reinsberger, Claus; Vieluf, Solveig
Abstract / Bemerkung
Abstract - As the proportion of people over 60 years of age rises continuously in westernized societies, it becomes increasingly important to better understand aging processes and how to maintain independence in old age. Fine motor tasks are essential in daily living and, therefore, necessary to maintain. This paper extends the existing literature on fine motor control by manipulating the difficulty of a force maintenance task to characterize performance optima for elderly. Thirty-seven elderly ( M  = 68.00, SD = 4.65) performed a force control task at dynamically varying force levels, i.e. randomly changing every 3 s between 10%, 20%, and 30% of the individual’s maximum voluntary contraction (MVC). This task was performed alone or with one or two additional tasks to increase task difficulty. The force control characteristics accuracy, variability, and complexity were analyzed. Lowest variability was observed at 20%. Accuracy and complexity increased with increasing force level. Overall, increased task difficulty had a negative impact on task performance. Results support the assumption, that attention control has a major impact on force control performance in elderly people. We assume different parameters to have their optimum at different force levels, which remain comparably stable when additional tasks are performed. The study contributes to a better understanding of how force control is affected in real-life situations when it is performed simultaneously to other cognitive and sensory active and passive tasks.
Erscheinungsjahr
2020
Zeitschriftentitel
Experimental Brain Research
Band
238
Ausgabe
10
Seite(n)
2179-2188
ISSN
0014-4819
eISSN
1432-1106
Page URI
https://pub.uni-bielefeld.de/record/2949864

Zitieren

Strote C, Gölz C, Stroehlein JK, et al. Effects of force level and task difficulty on force control performance in elderly people. Experimental Brain Research. 2020;238(10):2179-2188.
Strote, C., Gölz, C., Stroehlein, J. K., Haase, F. K., Koester, D., Reinsberger, C., & Vieluf, S. (2020). Effects of force level and task difficulty on force control performance in elderly people. Experimental Brain Research, 238(10), 2179-2188. doi:10.1007/s00221-020-05864-1
Strote, C., Gölz, C., Stroehlein, J. K., Haase, F. K., Koester, D., Reinsberger, C., and Vieluf, S. (2020). Effects of force level and task difficulty on force control performance in elderly people. Experimental Brain Research 238, 2179-2188.
Strote, C., et al., 2020. Effects of force level and task difficulty on force control performance in elderly people. Experimental Brain Research, 238(10), p 2179-2188.
C. Strote, et al., “Effects of force level and task difficulty on force control performance in elderly people”, Experimental Brain Research, vol. 238, 2020, pp. 2179-2188.
Strote, C., Gölz, C., Stroehlein, J.K., Haase, F.K., Koester, D., Reinsberger, C., Vieluf, S.: Effects of force level and task difficulty on force control performance in elderly people. Experimental Brain Research. 238, 2179-2188 (2020).
Strote, Caren, Gölz, Christian, Stroehlein, Julia Kristin, Haase, Franziska Katharina, Koester, Dirk, Reinsberger, Claus, and Vieluf, Solveig. “Effects of force level and task difficulty on force control performance in elderly people”. Experimental Brain Research 238.10 (2020): 2179-2188.

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