Table 1.

Correlation analysis of freezing during testing phases of the Air/CO₂ inhalation paradigm (upper panel) and Footshock contextual Fear conditioning (lower panel) with delta FosB cell counts in the infralimbic (IL) cortex, Intercalated cell cluster of the amygdala (ITCs), dorsal lateral periaqueductal gray (dl PAG) and ventrolateral/lateral periaqueductal gray (vl/l PAG).

		FosB + Cells (IL Cortex)				FosB + Cells (ITCs of Amygdala)				FosB + Cells (dl PAG)				FosB + Cells (vl/l PAG)
Paradigm	Phase (%Freezing)	N	Pearson r	p value	95% CI	N	Pearson r	p value	95% CI	N	Pearson r	p value	95% CI	N	Pearson r	p value	95% CI
Air/CO2 Inhalation	Air/CO2 Inhalation	39	−0.277	0.088#	−0.545 to 0.043	39	−0.137	0.405	−0.434 to 0.187	37	0.302	0.069#	−0.024 to 0.571	38	0.089	0.595	−0.237 to 0.397
	Context Re-exposure	39	−0.268	0.099#	−0.538 to 0.051	39	−0.005	0.976	−0.320 to 0.311	37	−0.061	0.720	−0.378 to 0.268	38	−0.058	0.732	−0.370 to 0.267
Footshock Contextual Fear Conditioning	Acquisition (avg shocks)	39	−0.173	0.292	−0.463 to 0.151	39	−0.289	0.075#	−0.554 to 0.030	37	−0.026	0.880	−0.347 to 0.301	38	−0.075	0.654	−0.386 to 0.251
	Conditioned Fear	39	−0.174	0.289	−0.464 to 0.149	39	−0.216	0.186	−0.498 to 0.106	37	0.284	0.089#	−0.044 to 0.557	38	0.049	0.771	−0.275 to 0.363
	Early Extinction (E1-E2)	39	−0.161	0.327	−0.454 to 0.163	39	−0.267	0.101	−0.537 to 0.053	37	0.296	0.075#	−0.031 to 0.566	38	0.174	0.297	−0.155 to 0.468
	Late Extinction (E3-E5)	39	−0.382	0.016 *	−0.623 to −0.076	39	−0.438	0.005 **	−0.662 to −0.142	37	0.289	0.083#	−0.039 to 0.560	38	0.346	0.034 *	0.029 to 0.599
	Reinstatement	39	−0.534	0.001 ***	−0.727 to −0.262	39	−0.464	0.003 **	−0.680 to −0.173	37	0.310	0.061#	−0.015 to 0.576	38	0.300	0.067#	−0.021 to 0.566

^*p < 0.05

^**p < 0.01

^***p < 0.001

^#p < 0.10.