Figure 2From: Assessing the feasibility of online SSVEP decoding in human walking using a consumer EEG headset The average power spectral density of O1 and O2 channels across 17 subjects in response to the fixation-cross and visual targets flickering at 9, 10, 11, and 12Â Hz while standing still or walking on the treadmill with the speeds of 0.45, 0.89, and 1.34Â m/s. Back to article page