Cognitive-Motor Interference in an Ecologically Valid Street Crossing Scenario

Frontiers in Psychology
Christin JanouchClaudia Voelcker-Rehage

Abstract

Laboratory-based research revealed that gait involves higher cognitive processes, leading to performance impairments when executed with a concurrent loading task. Deficits are especially pronounced in older adults. Theoretical approaches like the multiple resource model highlight the role of task similarity and associated attention distribution problems. It has been shown that in cases where these distribution problems are perceived relevant to participant's risk of falls, older adults prioritize gait and posture over the concurrent loading task. Here we investigate whether findings on task similarity and task prioritization can be transferred to an ecologically valid scenario. Sixty-three younger adults (20-30 years of age) and 61 older adults (65-75 years of age) participated in a virtual street crossing simulation. The participants' task was to identify suitable gaps that would allow them to cross a simulated two way street safely. Therefore, participants walked on a manual treadmill that transferred their forward motion to forward displacements in a virtual city. The task was presented as a single task (crossing only) and as a multitask. In the multitask condition participants were asked, among others, to type in three digi...Continue Reading

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Citations

Jan 29, 2019·Frontiers in Aging Neuroscience·Bettina Wollesen, Claudia Voelcker-Rehage
Feb 10, 2021·Journal of Neuroengineering and Rehabilitation·Michal KafriRachel Kizony
Aug 29, 2021·Accident; Analysis and Prevention·Otmar BockClaudia Voelcker-Rehage

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