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Fig. 2 | Journal of NeuroEngineering and Rehabilitation

Fig. 2

From: Quantification of task-dependent cortical activation evoked by robotic continuous wrist joint manipulation in chronic hemiparetic stroke

Fig. 2

Average SNR and change in power in the SSR for the different sensory impairment groups. The number of participants in a group is indicated by n. The results for all recordings performed on the left hand were flipped with respect to the sagittal plane, such that left in these topographic representations is always contralateral to the perturbation. Topographic representations of SNR reveal that: (i) in the passive task the group with severe sensory impairment has a reduced evoked response as compared to all other groups, (ii) in the active task both the severe and mild sensory impairment groups demonstrate a reduced evoked response as compared to the no sensory impairment group and the control participants, and (iii) all the observed response occur around the contralateral sensorimotor cortices. Topographic representation of ∆E reveals an overall decrease of power in the evoked response for the group with mild sensory impairment

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