Statistical results according to brain area, data analyzed, and test used
| Neuronal population | dmPFC VTA | Basal firing rate (food vs stress) Units activated/inhibited (food vs stress) Basal firing rate (food vs stress) Units activated/inhibited (food vs stress) | Paired t test χ2 paired t test χ2 | t(103) = 0.27, p = 0.784 χ2 (2) = 0.11, p > 0.1 (event time) χ2 (2) = 0.22, p > 0.1 (postevent time) t(37) = 2.08, p = 0.044 (DA) t(23) = 1.36, p = 0.186 (non-DA) χ2 (2) = 1.93, p > 0.1 (event time) χ2 (2) = 1.02, p > 0.1 (postevent time) |
| Single units | dmPFC VTA | Units responses Units responses DA vs non-DA | χ2
χ2 χ2 | χ2
(3) = 4.88, p > 0.1 χ2 (3) = 3.50, p > 0.1 χ2 (3) = 1.85, p > 0.1 |
| Unit pairs | dmPFC VTA | Units pairs Units pairs | χ2
χ2 | χ2
(2) = 4.44, p > 0.1 χ2 (2) = 2.44, p > 0.1 |
| LFP | dmPFC VTA dmPFC-VTA | LFP power (food vs stress) LFP power (food vs stress) LFP coherence | Two-way ANOVA frequency effect event effect frequency × event One-way ANOVA Two-way ANOVA frequency effect event effect frequency × event One-way ANOVA One-way ANOVA | F(15,336) = 6.77, p < 0.001 F(2,336) = 0.33, p > 0.1 F(30,336) = 1.67, p = 0.017 F(2,21) = 7.59, p = 0.003 F(15,336) = 6.38, p < 0.001 F(2,336) = 11.54, p < 0.001 F(30,336) = 2.10, p = 0.001 F(2,21) = 4.44, p = 0.024 F(2,21) = 4.39, p = 0.025 |