Table 3.

Total numbers of CTb-ir cells sampled in subdivisions of the dorsal raphe nucleus and median raphe nucleus (mean ± SEM) in Experiment 2 (Control, n = 6; Handled, n = 10; Open-field, n = 11).

Rostrocaudal Level	Subdivision	Control	Handled	Open-field
-7.46 mm	DRD	3.0 ± 0.9	2.2 ± 0.7	2.0 ± 0.6
-8.00 mm	DRD	2.5 ± 0.5	2.1 ± 0.7	1.9 ± 0.5
-8.18 mm	DRD	5.7 ± 1.8	5.5 ± 1.5	3.3 ± 0.7
-7.46 mm	DRV	2.7 ± 1.1	3.1 ± 1.0	1.3 ± 0.4
-8.00 mm	DRV	3.3 ± 0.9	7.0 ± 2.9	3.0 ± 0.8
-8.18 mm	DRV	5.3 ± 1.8	5.9 ± 1.8	2.3 ± 0.7
-8.00 mm	DRVL	4.7 ± 1.0	3.4 ± 0.8	1.8 ± 0.6
-8.18 mm	DRVL	2.7 ± 1.0	1.7 ± 0.5	0.8 ± 0.2
-8.18 mm	DRI	2.0 ± 0.4	1.6 ± 0.5	0.3 ± 0.2A
-8.54 mm	DRI	5.5 ± 1.3	1.8 ± 0.5A	2.1 ± 0.8A
-8.54 mm	DRC	1.8 ± 0.7	1.3 ± 0.7	0.4 ± 0.3
-8.18 mm	MRN	0.0 ± 0.0	0.0 ± 0.0	0.3 ± 0.2
-8.54 mm	MRN	0.0 ± 0.0	0.0 ± 0.0	0.3 ± 0.2

^AP < 0.05 versus Control; post hoc Bonferroni comparisons