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Figure 3 | Journal of NeuroEngineering and Rehabilitation

Figure 3

From: Rapid changes in arousal states of healthy volunteers during robot-assisted gait training: a quantitative time-series electroencephalography study

Figure 3

Absolute power densities of the theta, alpha 1, and alpha 2 bands. Blue, red, and green lines indicate the power densities of each wave activity under sine-wave sound stimulation (SS), verbal sound stimulation (VS), and no sound stimulation (NS), respectively. There were significant differences in the power densities between baseline and the other segments (*P < .05, Dunnett’s test) and among the 3 types of stimulation (P < .05, Bonferroni multiple comparison).

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