Spine density (spines per 100 μm of dendrite) parameters of LVPNs within the mPFC
| Parameter | Water-consuming controls (n) | Ethanol-consuming rats (n) | p value |
| Total dendrite density | 37.7 ± 3.4 (15) | 48.6 ± 3.4 (18) | 0.03* |
| Total apical density | 35.2 ± 3.1 (19) | 44.4 ± 3.0 (23) | 0.04* |
| Total basal density | 36.5 ± 2.6 (25) | 51.2 ± 3.0 (25) | 0.0006*** |
All data are presented as the mean ± SEM.
*p < 0.05, unpaired two-tailed Student’s t test.
↵***p < 0.001, unpaired two-tailed Student’s t test.