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Figure 5 | Journal of NeuroEngineering and Rehabilitation

Figure 5

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

Figure 5

A representative example of power spectral density at Cz, O1, and O2. Power spectral densities of EEG data shows plenty of theta and alpha activities 4 minutes after the start of RAGT (Before ST1), and almost absent theta activities and moderate decreases in alpha activities immediately after warning sound stimulation (After ST1).

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