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Parameters of the respiration and swallowing signals.
| Parameter | Definition | Calculation |
|---|---|---|
| sEMGD | sEMG duration | (E3–E1) |
| SAD | swallowing apnea duration | (A2–A1) |
| OL | onset latency between sEMG and the thyroid cartilage | (F1–E1) |
| ET | excursion time of the first phase in the W-shaped signal of the thyroid cartilage | (F2–F1) |
| DEFD | duration of second deflection in the W-shaped response of the thyroid cartilage | (F3–F2) |
| TET | total excursion time of the thyroid cartilage excursion | (F3–F1) |
