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. 2021 Dec 20;8:315. doi: 10.1038/s41597-021-01094-4

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© The Author(s) 2021, corrected publication 2022

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Fig. 1 — Experimental design. (a) Experimental setup while standing (0 m/s), slow walking (0.8 m/s), fast walking (1.6 m/s), and slight running (2.0 m/s) on the treadmill, wearing scalp-EEG, ear-EEG, EOG, and IMUs. Informed consent was obtained from the participant for publishing the figure. Channel placement of (b) scalp-EEG with EOG and (c) ear-EEG. Experimental paradigms for (d) ERP paradigm with 300 trials and (e) SSVEP paradigm with 60 trials. (f) Experimental procedure.