Figure 3 | Scientific Reports

Figure 3

From: Mandibular advancement impairs swallowing ability more than head extension but less than mouth opening in the supine position

Figure 3

Representative electroencephalogram of suprahyoid muscles (SH EMG) and piezoelectric sensor trajectory. The duration of SH EMG activity was determined using SH EMG, integrated SH EMG, the trajectory of the piezoelectric sensor, and a video-movie. The piezoelectric sensor was used to determine the duration, defined as the time between the first negative deflection and the return to the pre-swallowing level in the trajectory. Peak amplitude was determined as the maximum absolute value of the amplitude of SH EMG. A supplementary video was also used to determine the duration.

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