Table 1.
Effect of bicuculline and kynurenic acid on the firing rate of DMV neurons
| Bicuculline |
||||||
|---|---|---|---|---|---|---|
| All neurons |
Gastric-projecting neurons |
|||||
| Increase | No effect | Decrease | Increase | No effect | Decrease | |
| Kynurenic acid | ||||||
| Increase 17 (28%) | 10 | 6 | 1 | 3 | 3 | 0 |
| No effect 16 (27%) | 6 | 7 | 4 | 2 | 1 | 1 |
| Decrease 27 (45%) | 19 | 5 | 4 | 3 | 4 | 2 |
| Total | 35 (56%) | 18 (29%) | 9 (14%) | 8 (42%) | 8 (42%) | 3 (16%) |
Bicuculline was applied first, followed by kynurenic acid. Numbers represent the number of neurons that exhibited given responses to bicuculline (columns) and kynurenic acid (rows). DMV, doral motor nucleus of the vagus.