Table 3. Npas4 expression assessed in the dorsal hippocampus, ventral hippocampus and amygdala of C57Bl/6 mice after a social interaction.

Brain region	Bregma level	Brain sub-region	Control	Social Interaction
Dorsal Hippocampus	−1.22	CA1	0.41±0.04	0.46±0.04
		CA2	0.39±0.04	0.41±0.01
		CA3	0.23±0.02	0.27±0.03
		DG	0.19±0.05	0.25±0.05
	−1.34	CA1	0.37±0.02	0.42±0.03
		CA2	0.51±0.02	0.51±0.06
		CA3	0.30±0.02	0.41±0.04*
		DG	0.26±0.03	0.29±0.05
	−1.94	CA1	0.36±0.04	0.50±0.03*
		CA2	0.42±0.07	0.49±0.02
		CA3	0.30±0.04	0.33±0.04
		DG	0.23±0.03	0.22±0.02
	−2.30	CA1	0.38±0.03	0.49±0.03T
		CA2	0.47±0.03	0.42±0.04
		CA3	0.37±0.02	0.38±0.03
		DG	0.24±0.02	0.26±0.02
Ventral Hippocampus	−2.54	CA1	0.34±0.32	0.37±0.02
		CA2	0.34±0.01	0.29±0.01
		CA3	0.34±0.03	0.37±0.02
		DG	0.24±0.03	0.25±0.01
	−2.70	CA1	0.36±0.01	0.36±0.01
		CA2	0.32±0.02	0.32±0.02
		CA3	0.32±0.04	0.36±0.02
		DG	0.33±0.10	0.40±0.02
Amygdala	−1.06	MeA	0.07±0.02	0.02±0.01
		CeA	0.05±0.01	0.03±0.01
		BLA	0.08±0.01	0.07±0.01
	−1.82	MeA	0.04±0.01	0.06±0.01
		CeA	0.02±0.01	0.03±0.01
		BLA	0.06±0.01	0.07±0.01

^*value significantly different than the control with p<0.05; ^T value significantly different than the control with p = 0.058

Data are presented as the mean value of the optical density measured at various Bregma levels ± SEM.