From: Habituation of laser-evoked potentials by migraine phase: a blinded longitudinal study
 |  |  | N1 (μV) | N2P2 (μV) | Pain scores | |||
---|---|---|---|---|---|---|---|---|
N | n | Block 1 | Block 2 | Block 1 | Block 2 | Block 1 | Block 2 | |
Interictal | 44 | 99 | 6.6 (3.5) | 5.9 (2.6) | 40.2 (16.6) | 35.2 (13.8) | 4.2 (1.9) | 4.3 (2.0) |
Preictal | 26 | 36 | 7.9 (5.0) | 6.3 (3.6) | 42.3 (13.4) | 37.3 (11.2) | 4.1 (1.9) | 4.4 (2.0) |
Ictal | 19 | 21 | 5.7 (2.2) | 5.0 (2.2) | 39.6 (12.8) | 34.6 (10.1) | 4.4 (1.7) | 4.7 (1.9) |
Postictal | 13 | 15 | 6.8 (3.0) | 4.9 (3.7) | 45.7 (13.7) | 43.2 (12.5) | 5.4 (2.6) | 5.7 (2.7) |