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. 2021 Apr 16;7(16):eabe7432. doi: 10.1126/sciadv.abe7432

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Fig. 3 — (A) Photographs of CS detachment from the skin. (B) Recovery time of sensors for remeasurement of normal EEG when reset after detachment. (C) Impedance measurement according to the number of sensor detachments. (D) Schematic diagram and photograph of the biosensor setup for long-term EEG monitoring. (E and F) EEG raw signals and spectrograms at 1 hour and 8 hours in the eye open/closed paradigm for 8 hours. (G) Schematic illustration of CSs attached to the human body for recording of single EP signals. (i) EP signals of CSs. (ii) EP signals of GSs. (H and I) EEG and ECG recorded simultaneously from CSs in awake (blue) or drowsy (red) state (J) Time-dependent comparison of average EEG (red) and EMG (blue) recorded simultaneously from CSs when gripping a handgrip a total of 160 times across eight individuals. Photo credit: Ji-Yong Kim, Korea University.