Table 1.

Results of simple regressions between the number of VIP-labeled neurons and nesting behaviors (time in nest, pick-ups and deliveries).

Area	Subjects	Behavior	r 2	P
Extended amygdala:
MeA, anterior	all nesting	pick-ups	0.43	0.01
	all nesting	deliveries	0.42	0.02
	nesting males	pick-ups	0.81	<0.01
	nesting males	deliveries	0.79	<0.01
MeA, posterior	all nesting	pick-ups	0.41	0.01
	all nesting	deliveries	0.42	0.01
	nesting males	pick-ups	0.75	0.01
	nesting males	deliveries	0.73	0.01
	all subjects	time in nest	0.14	0.01
	nesting females	time in nest	0.76	0.01
BSTm	all males	time in nest	0.35	0.03
POA-hypothalamus:
MPA (medial preoptic area)	nesting males	pick-ups	0.65	0.05
	nesting males	deliveries	0.66	0.05
	all nesting	time in nest	0.38	0.04
MPO (medial preoptic nucleus)	all nesting	time in nest	0.48	0.02
	nesting females	time in nest	0.94	<0.01
Midbrain:
VTA, caudal	all females	time in nest	0.19	0.05
ICo, medial	nesting males	pick-ups	0.68	0.04
	nesting males	deliveries	0.70	0.04