ArticleFrontiers in neuroscience2023
The effects of blurred visual inputs with different levels on the cerebral activity during free level walking.
Article in Frontiers in neuroscience, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 4 citations in OpenAlex.
- Brain adaptations in challenging walking task of people with stroke: an experimental study.Journal of neuroengineering and rehabilitation · 2026Article
- Resting-state functional magnetic resonance imaging study on the effects of visual status on walking-related brain functions in healthy young adults.Chinese medical journal · 2026Article
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Authors and funding
7 authors at 2 institutions in 1 country.
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Abstract
Objective: The aim of this study was to evaluate the effects of blurred vision on electrocortical activities at different levels during walking. Materials and methods: A total of 22 healthy volunteers (all men; mean age: 24.4 ± 3.9 years) underwent an electroencephalography (EEG) test synchronous with free level walking. Visual status was simulated by goggles covered by the occlusion foil targeted at a Snellen visual acuity of 20/60 (V0.3), 20/200 (V0.1), and light perception (V0). At each of these conditions, the participants completed barefoot walking for five blocks of 10 m. The EEG signals were recorded by a wireless EEG system with electrodes of interest, namely, Cz, Pz, Oz, O1, and O2. The gait performances were assessed by the Vicon system. Results: During walking with normal vision (V1.0), there were cerebral activities related to visual processing, characterized as higher spectral power of delta (Oz and O2 vs. Cz, Pz, and O1, Conclusion: Mildly blurred visual inputs would elicit generalization of low-frequency band activity during walking. In circumstance to no effective visual input, locomotor navigation would rely on cerebral activity related to visual working memory. The threshold to trigger the shift might be the visual status that is as blurred as the level of Snellen visual acuity of 20/200.
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