Table 3.
Fear extinction data analysis of long-term memory (LTM) groups for experiment 2.
| CS1 | CS9 | CS18 | ||||
|---|---|---|---|---|---|---|
| Comparison | F(1,612) | P | F(1,612) | P | F(1,612) | P |
| No Ext-LTM vs. Normal Ext-LTM | 6.755 | <0.0001 | 1.182 | 0.9195 | 0.1464 | >0.9999 |
| No Ext-LTM vs. Ret-Ext-LTM | 10.16 | <0.0001 | 2.744 | 0.2971 | 0.6031 | 0.9931 |
| No Ext-LTM vs. Ext-Ret-LTM | 9.273 | <0.0001 | 2.674 | 0.3235 | 1.941 | 0.6455 |
| No Ext-LTM vs. Immediate Ext-LTM | 7.515 | <0.0001 | 0.2277 | 0.9998 | 0.1434 | >0.9999 |
| Normal Ext-LTM vs. Ret-Ext-LTM | 3.143 | 0.1727 | 1.44 | 0.8468 | 0.691 | 0.9884 |
| Normal Ext-LTM vs. Ext-Ret-LTM | 2.067 | 0.5879 | 1.325 | 0.8824 | 1.919 | 0.6557 |
| Normal Ext-LTM vs. Immediate Ext-LTM | 0.7004 | 0.9878 | 0.8795 | 0.9716 | 0.2673 | 0.9997 |
| Ret-Ext-LTM vs. Ext-Ret-LTM | 1.179 | 0.92 | 0.1625 | >0.9999 | 1.205 | 0.914 |
| Ret-Ext-LTM vs. Immediate Ext-LTM | 2.443 | 0.4178 | 2.32 | 0.4721 | 0.4238 | 0.9982 |
| Ext-Ret-LTM vs. Immediate Ext-LTM | 1.344 | 0.877 | 2.234 | 0.5113 | 1.643 | 0.7733 |
Extinction data for experiment 2 were analyzed using RM (trial, bin) ANOVAs (Figure 5B). All rats showed significant within session extinction learning (Day-4). Further analysis of fear extinction data was done using corrected Tukey’s multiple comparison test. Percentage freezing for CS1, CS9 and CS18 were presented in this table instead of presenting all the CSs. Each data point for extinction trials represent average of 3 CSs except the 17th data point that represents average of 2 CSs totaling 53 CSs.