Cortical Oscillations during Gait: Wouldn't Walking be so Automatic?
EEG
Gait
oscillations
Journal
Brain sciences
ISSN: 2076-3425
Titre abrégé: Brain Sci
Pays: Switzerland
ID NLM: 101598646
Informations de publication
Date de publication:
09 Feb 2020
09 Feb 2020
Historique:
received:
20
01
2020
revised:
03
02
2020
accepted:
07
02
2020
entrez:
14
2
2020
pubmed:
14
2
2020
medline:
14
2
2020
Statut:
epublish
Résumé
Gait is often considered as an automatic movement but cortical control seems necessary to adapt gait pattern with environmental constraints. In order to study cortical activity during real locomotion, electroencephalography (EEG) appears to be particularly appropriate. It is now possible to record changes in cortical neural synchronization/desynchronization during gait. Studying gait initiation is also of particular interest because it implies motor and cognitive cortical control to adequately perform a step. Time-frequency analysis enables to study induced changes in EEG activity in different frequency bands. Such analysis reflects cortical activity implied in stabilized gait control but also in more challenging tasks (obstacle crossing, changes in speed, dual tasks…). These spectral patterns are directly influenced by the walking context but, when analyzing gait with a more demanding attentional task, cortical areas other than the sensorimotor cortex (prefrontal, posterior parietal cortex, etc.) seem specifically implied. While the muscular activity of legs and cortical activity are coupled, the precise role of the motor cortex to control the level of muscular contraction according to the gait task remains debated. The decoding of this brain activity is a necessary step to build valid brain-computer interfaces able to generate gait artificially.
Identifiants
pubmed: 32050471
pii: brainsci10020090
doi: 10.3390/brainsci10020090
pmc: PMC7071606
pii:
doi:
Types de publication
Journal Article
Review
Langues
eng
Déclaration de conflit d'intérêts
The authors declare no conflict of interest.
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