Li, Junhua and Thakor, Nitish and Bezerianos, Anastasios (2018) Unilateral Exoskeleton Imposes Significantly Different Hemispherical Effect in Parietooccipital Region, but Not in Other Regions. Scientific Reports, 8 (1). 13470-. DOI https://doi.org/10.1038/s41598-018-31828-1
Li, Junhua and Thakor, Nitish and Bezerianos, Anastasios (2018) Unilateral Exoskeleton Imposes Significantly Different Hemispherical Effect in Parietooccipital Region, but Not in Other Regions. Scientific Reports, 8 (1). 13470-. DOI https://doi.org/10.1038/s41598-018-31828-1
Li, Junhua and Thakor, Nitish and Bezerianos, Anastasios (2018) Unilateral Exoskeleton Imposes Significantly Different Hemispherical Effect in Parietooccipital Region, but Not in Other Regions. Scientific Reports, 8 (1). 13470-. DOI https://doi.org/10.1038/s41598-018-31828-1
Abstract
In modern society, increasing people suffering from locomotor disabilities need an assistive exoskeleton to help them improve or restore ambulation. When walking is assisted by an exoskeleton, brain activities are altered as the closed-loop between brain and lower limbs is affected by the exoskeleton. Intuitively, a unilateral exoskeleton imposes differential effect on brain hemispheres (i.e., hemispherical effect) according to contralateral control mechanism. However, it is unclear whether hemispherical effect appears in whole hemisphere or particular region. To this end, we explored hemispherical effect on different brain regions using EEG data collected from 30 healthy participants during overground walking. The results showed that hemispherical effect was significantly different between regions when a unilateral exoskeleton was employed for walking assistance and no significance was observed for walking without the exoskeleton. Post-hoc t-test analysis revealed that hemispherical effect in the parietooccipital region significantly differed from other regions. In the parietooccipital region, a greater hemispherical effect was observed in beta band for exoskeleton-assisted walking compared to walking without exoskeleton, which was also found in the source analysis. These findings deepen the understanding of hemispherical effect of unilateral exoskeleton on brain and could aid the development of more efficient and suitable exoskeleton for walking assistance.
Item Type: | Article |
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Uncontrolled Keywords: | Lower Extremity; Occipital Lobe; Humans; Electroencephalography; Walking; Adult; Male; Exoskeleton Device |
Divisions: | Faculty of Science and Health Faculty of Science and Health > Computer Science and Electronic Engineering, School of |
SWORD Depositor: | Unnamed user with email elements@essex.ac.uk |
Depositing User: | Unnamed user with email elements@essex.ac.uk |
Date Deposited: | 31 Jul 2019 13:56 |
Last Modified: | 16 May 2024 19:47 |
URI: | http://repository.essex.ac.uk/id/eprint/24719 |
Available files
Filename: Unilateral Exoskeleton Imposes Significantly Different Hemispherical Effect in Parietooccipital Region, but Not in Other Regions.pdf
Licence: Creative Commons: Attribution 3.0