| Three Pavlovian fear conditioning experiments with rats as subjects explored the effect of extinction in the presence of a concurrent excitor. |
| Effects of contingency violations on the extinction of a conditioned fear inhibitor and a conditioned fear excitor. |
| Our findings suggest that there are distinct limits to the observation of enhanced extinction in the presence of an excitor and identifies some of the sources of these limitations. |
| This type generates a linear vibration in the same way as motor-driven excitor units. |
| Whence it became evident that this nerve is not the excitor, but the sensory nerve concerned in glycogenesis. |
| Like the other medicines of this order, Ergot is not an excitor of the heart and circulation. |
