Figure 2

Representative recordings of the noninvasive sensors. (a) Decomposed graph of waves of tongue pressure, EMG, laryngeal movement and swallowing sound. (b) The data analysis of TPon, TPmax, TPoff and DTP. (c) The data analysis of SHon, SHoff, SHpeak and DSH. (d) The data analysis of IHon, IHoff, IHpeak and DIH. (e) Laryngeal signal waveform and marked time point.