|  |  | Normal adult | Neuropathic |
---|---|---|---|---|
 |  |  | (Mean ± S.E.) | (Mean ± S.E.) |
Rise 10-90% (ms) | Control | 1.07 ± 0.1 | 0.91 ± 0.1 | |
 |  | DAMGO | 1.10 ± 0.1 | 0.94 ± 0.0 |
Decay 90-37% (ms) | τ fast | Control | 11.74 ± 0.8 | 8.92 ± 0.4†|
 |  | DAMGO | 13.32 ± 1.3 | 9.69 ± 0.6†|
 | τ slow | Control | 39.89 ± 2.2 | 36.64 ± 2.0 |
 |  | DAMGO | 46.50 ± 3.9 | 36.99 ± 2.5 |
Weighted mean decay time (ms) | Control | 21.03 ± 1.2 | 17.44 ± 0.9†| |
 |  | DAMGO | 23.55 ± 1.8 | 18.65 ± 1.0†|
Half-width (ms) | Control | 13.29 ± 0.8 | 10.29 ± 0.5†| |
 |  | DAMGO | 14.66 ± 1.1 | 11.52 ± 0.6†|
Area under currents (pAms) | Control | 753.6 ± 42.5 | 551.4 ± 35.4†| |
 |  | DAMGO | 897.0 ± 81.4 | 567.0 ± 39.1†|