Latencies of the components of the respiratory-related evoked potentials before, during and after inhalation of L-menthol, in CZ–C3 and CZ–C4
| CZ–C3 | CZ–C4 | |||||
| Before | During | After | Before | During | After | |
| P1 | 38.00±8.00 | 39.60±3.21 | 39.00±4.47 | 40.20±8.14 | 38.20±10.71 | 41.80±13.44 |
| N1 | 91.50±12.10 | 86.20±9.12 | 96.80±20.24 | 88.75±7.41 | 89.75±12.82 | 98.25±20.66 |
| P2 | 148.00±9.57 | 163.80±22.92 | 163.60±20.11 | 148.25±15.90 | 146.50±35.24 | 170.75±21.93 |
| N2 | 209.67±21.13 | 223.83±21.23 | 211.17±37.55 | 222.83±16.87 | 213.33±23.36 | 211.00±26.35 |
Data are presented as mean±sd of the measured latencies in ms (mouth breathing; n = 6). P1, N1, P2, N2: peak latencies of the first positive, first negative, second positive and second negative components of the respiratory-related evoked potentials, respectively.