Table 1. Experimental Design.
| Day 1 context A | n | Day 22 | Day 23 context B | Day 24 context B | Day 25 context A | |
|---|---|---|---|---|---|---|
| 0% Isoflurane | 0 shocks | 8 | 30 min in context B | 1 shock | Test | Test |
| 0% Isoflurane | 0 shocks | 6 | Amygdala extracted | — | — | — |
| 0% Isoflurane | 15 shocks | 8 | 30 min in context B | 1 shock | Test | Test |
| 0% Isoflurane | 15 shocks | 6 | Amygdala extracted | — | — | — |
| 0.6% Isoflurane | 0 shocks | 8 | 30 min in context B | 1 shock | Test | Test |
| 0.6% Isoflurane | 0 shocks | 6 | Amygdala extracted | — | — | — |
| 0.6% Isoflurane | 15 shocks | 8 | 30 min in context B | 1 shock | Test | Test |
| 0.6% Isoflurane | 15 shocks | 6 | Amygdala extracted | — | — | — |