fig7

Figure 7. (A) Process of PEDOT:PSS coating on textiles; (B) Percentage of accuracy of heartbeat detection for five human behaviors; (C) Evolution of ECG signals over time^[229]. Reprinted with permission. Copyright 2015, Springer Nature; (D) Schematic illustration of the measuring process for EMG signals and the testing postures^[230]. Reprinted with permission. Copyright 2023, Springer Nature; (E) Skin-to-electrode impedance condition of different EEG electrodes over time; (F) Schematic illustration of the EEG measurement system ^[231]. Reprinted with permission. Copyright 2021, IEEE; (G) Photograph of an EOG headband; (H) EOG trace showing the different types of eye movement^[183]. Reprinted with permission. Copyright 2019, IOP Science. PEDOT:PSS: Poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate); ECG: electrocardiograms; EMG: electromyography; EEG: electroencephalographic; EOG: electrooculogram.