Table 1.
Mean densities of ZENK-IR in various brain regions presented as number of IR nuclei/mm2 (mean ± standard error). Due to histological artifact, only seven animals were analyzed in the Ac in the blank, untutored group. No main effects or interactions were detected, all F < 3.02, p > 0.06.
| Blank-treated | Estradiol-treated | |||||
|---|---|---|---|---|---|---|
| Tutored (n = 6) | Untutored (n = 7 or 8) | Silence (n = 6) | Tutored (n = 6) | Untutored (n = 6) | Silence (n = 6) | |
| POA | 414.5 ± 117 | 500.2 ± 126 | 591.0 ± 99 | 467.0 ± 168 | 279.7 ± 81 | 389.7 ± 89 |
| BST | 1056.0 ± 255 | 945.3 ± 226 | 1106.5 ± 254 | 494.8 ± 187 | 935.6 ± 338 | 694.4 ± 352 |
| TnA | 125.0 ± 73 | 67.3 ± 26 | 30.5 ± 11 | 52.8 ± 23 | 91.9 ± 46 | 216.4 ± 215 |
| LSc. vl | 591.0 ± 191 | 376.6 ± 146 | 434.2 ± 164 | 120.8 ± 58 | 323.6 ± 207 | 256.9 ± 254 |
| GCt | 61.3 ± 32 | 54.8 ± 26 | 132.5 ± 54 | 23.4 ± 11 | 83.7 ± 45 | 39.1 ± 19 |
| Ac | 552.8 ± 252 | 837.2 ± 252 | 1286.7 ± 224 | 888.4 ± 280 | 1049.6 ± 223 | 558.8 ± 135 |
| VTA | 61.8 ± 20 | 52.2 ± 17 | 74.2 ± 30 | 54.0 ± 40 | 67.3 ± 25 | 13.3 ± 7 |
Abbreviations: preoptic area (POA), bed nucleus of the stria terminalis (BST), nucleus taeniae (TnA), ventrolateral subdivision of the caudal lateral septum (LSc. vl), midbrain central gray (GCt), nucleus accumbens (Ac), ventral tegmental area (VTA).