ArticleExperimental brain research2018
Effect of a cognitive task on online adjustments when avoiding stepping on an obstacle and stepping on a target during walking in young adults.
Article in Experimental brain research, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 12 citations in OpenAlex.
- Presentation of multiple task instructional sets impacts auditory Stroop performance during dual task locomotion.Experimental brain research · 2024Article
- Obstacle avoidance movement-related motor cortical activity with cognitive task.Experimental brain research · 2022Article
- Article
- Dual Tasking during Trip Recovery and Obstacle Clearance among Young, Healthy Adults in Human Factors Research.International journal of environmental research and public health · 2021Review
- Exploring the cognitive demands required for young adults to adjust online obstacle avoidance strategies.Experimental brain research · 2021Article
- Effects of aging and target location on reaction time and accuracy of lateral precision stepping during walking.Journal of biomechanics · 2020Article
- Control strategies for rapid, visually guided adjustments of the foot during continuous walking.Experimental brain research · 2019Article
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
Abstract
During locomotion, we respond to environmental and task changes by adjusting steps length and width. Different protocols involving stepping on targets and obstacle avoidance suggest the involvement of cortical and subcortical pathways in these online adjustments. The addition of a concomitant cognitive task (CT) can affect these online corrections depending on the neural pathway used. Thereby, we investigated the online adjustment using a target stepping task and a planar obstacle avoidance task in young adults and analyzed the effect of a CT on these adjustments. Twenty young adults executed two blocks of trials of walking performing the target task (TT) and obstacle avoidance task (OAT), with and without a concomitant CT. In the TT, participants stepped on a target projected on the ground, whereas in the OAT they avoided stepping on an obstacle projected on the ground. The target/obstacle could change its original position in four directions at contralateral foot contact on the ground. Overall, the CT did not affect the latency to start the adjustments due to target/obstacle change. The main changes were restricted to the frontal plane adjustments. The latency for the medial and lateral choices in the OAT was ~ 200 ms, whereas for the TT was ~ 150 ms. These results suggest the involvement of a slow cortical pathway in the OAT in the frontal plane modifications. In turn, the TT may be controlled by one of two fast adjustment neural pathways.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.