Table 1.

Semi-quantitative analysis of CRF and Ucn1 mRNA across 4 vole species

		Monogamous		Promiscuous
Region	Abbrev.	Prairle	Pine	Meadow	Montane
CRF
Olfactory bulb	OB	+++	+++	+++	+++
Nucleus accumbens	NAcc	++	++	++	++
Bed n. stria terminalis	BnST	+	+	+	+
Medial preoptic	MPOA	+++	+++	+++	++
Paraventricular n.	PVN	++++	++++	++	+
Hippocampus	hippo	++++	++++	++++	++++
Central n. amygdala	CeA	+++	+++	+++	++
Posterior thalamus	thal	+++	+	++	+
Median raphe	MR	++++	+++	+	+
Cerebellum	CBg	++++	+++	++++	++++
Ucn1
Edinger-Westphal	EW	++++	++++	+	++