Brain Connectivity During Walking and Obstacle Avoidance in Persons With Multiple Sclerosis and Healthy Controls: A Pilot EEG Study

Figures

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  Fig. 1.. EEG experimental setup and data acquisition, a) gait adaptation during obstacle avoidance, b) EEG brain regions of interest.

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  Fig. 2.. Effective connectivity network in beta frequency bands; (a)- the differences in connectivity networks in HC between walking alone and walking with obstacle avoidance (b)- the differences in connectivity networks in MS between walking alone and walking with obstacle avoidance; (c)- the differences in connectivity networks between HC and pwMS during walking alone and (d)- the differences in connectivity networks between HC and pwMS during walking with obstacle avoidance.

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  Fig. 3.. Effective connectivity network in alpha frequency bands; (a)- the differences in connectivity networks in HC between walking alone and walking with obstacle avoidance (b)- the differences in connectivity networks in MS between walking alone and walking with obstacle avoidance; (c)- the differences in connectivity networks between HC and pwMS during walking alone and (d)- the differences in connectivity networks between HC and pwMS during walking with obstacle avoidance.

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  Fig. 4.. Effective connectivity network in theta frequency bands; (a)- the differences in connectivity networks in HC between walking alone and walking with obstacle avoidance (b)- the differences in connectivity networks in MS between walking alone and walking with obstacle avoidance; (c)- the differences in connectivity networks between HC and pwMS during walking alone and (d)- the differences in connectivity networks between HC and pwMS during walking with obstacle avoidance.

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  Fig. 5.. Laterality Index for HC and pwMS during walking alone and walking with obstacle for beta, alpha and theta frequency bands at four brain regions.