Table 4.
Non-contact penile erections (NCPEs), copulatory parameters measured in the first series of copulatory activity (ML, IL, EL, MF, IF, III, IR, and PEI) and the total number of mounts (TMF), intromissions (TIF) and ejaculations (TEF), total copulatory rate (TCR) and total intromission ratio (TIR) of DAT KO, HET and WT rats during the entire microdialysis experiment.
| Behavioral parameters | Line | One-way ANOVA | |||
|---|---|---|---|---|---|
| WT (N = 8) | HET (N = 10) | DAT KO (N = 8) | F(2,23) | p | |
| NCPEs | 1.25 ± 0.53 | 3.20 ± 0.68* | 0.50 ± 0.19## | 6.911 | 0.0045 |
| ML (1st series) | 41.00 ± 14.16 | 11.50 ± 1.61* | 13.25 ± 2.97 | 4.404 | 0.0240 |
| IL (1st series) | 59.13 ± 24.73 | 15.00 ± 2.32 | 16.00 ± 2.56 | 3.464 | 0.0484 |
| EL (1st series) | 700.5 ± 176.1 | 478.6 ± 44.77 | 302.4 ± 16.94* | 3.790 | 0.0378 |
| MF (1st series) | 11.88 ± 1.93 | 22.00 ± 2.56** | 5.62 ± 0.88#### | 16.83 | >0.0001 |
| IF (1st series) | 10.25 ± 1.15 | 8.90 ± 0.69 | 6.25 ± 0.88* | 4.790 | 0.0182 |
| III (1st series) | 78.78 ± 23.71 | 55.45 ± 6.01 | 60.85 ± 15.80 | 0.604 | 0.5552 |
| IR (1st series) | 0.477 ± 0.03 | 0.297 ± 0.02* | 0.533 ± 0.07## | 7.983 | 0.0023 |
| PEI (1st series) | 323.6 ± 41.27 | 306.8 ± 15.17 | 226.6 ± 10.93* | 4.104 | 0.0299 |
| TMF | 42.75 ± 6.59 | 121.7 ± 7.11**** | 69.63 ± 11.30*** | 23.83 | >0.0001 |
| TIF | 29.25 ± 3.91 | 21.20 ± 2.13 | 23.25 ± 4.69 | 1.385 | 0.2704 |
| TEF | 3.12 ± 0.58 | 3.90 ± 0.50 | 5.62 ± 0.32**# | 6.369 | 0.0063 |
| TCR | 46.54 ± 10.32 | 18.44 ± 1.82** | 22.93 ± 2.61* | 6.682 | 0.0052 |
| TIR | 0.422 ± 0.05 | 0.150 ± 0.02*** | 0.260 ± 0.04* | 12.31 | 0.0002 |
*P < 0.05, **P < 0.01, ***P < 0.001, ****P < 0.0001 vs. WT. #P < 0.05, ##P < 0.01, ####P < 0.0001, DAT KO vs. HET. One-way ANOVAs followed by Tukey’s pairwise comparisons. Values are means ± SEM of 8/10 rats/group.