Fig. 4: Compatibility of TTE with magnetoencephalography (MEG). | npj Flexible Electronics

Fig. 4: Compatibility of TTE with magnetoencephalography (MEG).

From: Conducting polymer tattoo electrodes in clinical electro- and magneto-encephalography

Fig. 4

a MEG recording with TTEs on the head of the subject, depicted onto a head map. The signal is shown fractioned in the most known five frequency windows: Delta (2–4 Hz), Theta (4–8 Hz), Alpha (8–12 Hz), Beta (12–30 Hz), Gamma (30–120 Hz). b Exemplification of MEG sensors coupling with the human head. c Simultaneous MEG and EEG recordings with TTEs. On the right, the schematic representation of MEG sensor (right posterior location) and TTE (Oz location) from which two recoded signals are acquired. In both modalities, the presence of alpha waves appears after 8 s.

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