Mikaela L Frechette, Jacob J Sosnoff, Manuel Enrique Hernandez, Laura A Rice
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引用次数: 0
Abstract
To determine how motor control patterns in wheelchair propulsion mediate attentional demands. Fourteen participants completed two single- and dual-task trials of Serial-7 Subtraction and four, 30-second motor tasks: Static Sitting, Short Leans, Maximal Leans, and Stationary Propulsion. Differences in cognitive and motor function were determined through paired samples t-tests and percent changes (dual-task costs [DTCs]) were calculated. Within-subjects, repeated-measures ANOVAs determined differences in DTCs across motor tasks. Cognitive function was maintained from the single- to dual-task trials across tasks (DTC ≤ 13%; p = 0.12-0.74). Motor function was uniquely maintained during Maximal Leans (DTC ≤ 0.5%; p = 0.12-0.93), which yielded significantly lower dual-task cognitive function than the others (p < 0.01). Seated balance may be the primary contributor to the attentional demands of wheelchair propulsion.
期刊介绍：
The Journal of Motor Behavior, a multidisciplinary journal of movement neuroscience, publishes articles that contribute to a basic understanding of motor control. Articles from different disciplinary perspectives and levels of analysis are encouraged, including neurophysiological, biomechanical, electrophysiological, psychological, mathematical and physical, and clinical approaches. Applied studies are acceptable only to the extent that they provide a significant contribution to a basic issue in motor control. Of special interest to the journal are those articles that attempt to bridge insights from different disciplinary perspectives to infer processes underlying motor control. Those approaches may embrace postural, locomotive, and manipulative aspects of motor functions, as well as coordination of speech articulators and eye movements. Articles dealing with analytical techniques and mathematical modeling are welcome.
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