Table 1.

Mean (±SEM) levels of DOPAC, 5-HIAA, DA and 5-HT from Experiments 4 and 5, expressed as µg/g wet weight tissue.

DOPAC
	Experiment 4				Experiment 5
	Male		Female		Male		Female
	Saline	AMPH	Saline	AMPH	Alone	Social Int.	Alone	Social Int.
Region	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)
Nacc	0.96 (±0.07)	0.91 (±0.10)	1.13 (±0.12)	0.85 (±0.09)	0.91 (±0.07)	0.82 (±0.09)	0.54 (±0.04)	0.65 (±0.07)
Str	1.62 (±0.32)	1.47 (±0.23)	1.49 (±0.24)	1.21 (±0.16)	0.98 (±0.11)	0.83 (±0.06)	0.73 (±0.04)	1.05 (±0.07)*
mPFC	0.04 (±0.00)	0.04 (±0.00)	0.05 (±0.01)	0.03 (±0.00)	0.02 (±0.00)	0.03 (±0.00)	0.02 (±0.00)	0.04 (±0.01)
Amyg	0.03 (±0.00)	0.02 (±0.00)	0.06 (±0.00)	0.02 (±0.00)*	0.03 (±0.00)	0.07 (±0.01)*	0.03 (±0.00)	0.05 (±0.00)
Hypo	0.11 (±0.03)	0.11 (±0.03)	0.13 (±0.02)	0.09 (±0.02)	0.04 (±0.00)	0.05 (±0.00)	0.07 (±0.00)	0.08 (±0.00)
MB	0.08 (±0.01)	0.06 (±0.00)	0.08 (±0.01)	0.08 (±0.00)	0.06 (±0.00)	0.06 (±0.00)	0.06 (±0.01)	0.06 (±0.00)
5-HIAA
	Experiment 4				Experiment 5
	Male		Female		Male		Female
	Saline	AMPH	Saline	AMPH	Alone	Social Int.	Alone	Social Int.
Region	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)
Nacc	0.56 (±0.04)	0.68 (±0.08)	0.50 (±0.07)	0.71 (±0.07)	0.45 (±0.02)	0.42 (±0.03)	0.25 (0.02)	0.31 (±0.02)
Str	0.53 (±0.04)	0.62 (±0.07)	0.63 (±0.50)	0.63 (±0.04)	0.33 (±0.01)	0.40 (±0.02)*	0.28 (±0.02)	0.42 (±0.03)*
mPFC	0.31 (±0.04)	0.26 (±0.05)	0.39 (±0.05)	0.35 (±0.04)	0.17 (±0.01)	0.19 (±0.02)	0.18 (±0.01)	0.24 (±0.02)*
Amyg	0.54 (±0.06)	0.41 (±0.07)	0.59 (±0.05)	0.51 (±0.06)	0.24 (±0.02)	0.21 (±0.01)	0.30 (±0.01)	0.33 (±0.00)*
Hypo	0.85 (±0.18)	0.87 (±0.17)	1.00 (±0.15)	0.86 (±0.14)	0.34 (±0.04)	0.42 (±0.01)	0.41 (±0.03)	0.5 (±0.02)
MB	1.13 (±0.17)	1.25 (±0.21)	1.17 (±0.16)	1.33 (±0.15)	0.70 (±0.02)	0.70 (±0.04)	0.72 (±0.03)	0.79 (±0.01)
DA
	Experiment 4				Experiment 5
	Male		Female		Male		Female
	Saline	AMPH	Saline	AMPH	Alone	Social Int.	Alone	Social Int.
Region	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)
Nacc	3.28 (±0.33)	3.94 (±0.33)	3.38 (±0.29)	4.03 (±0.25)	4.14 (±0.17)	3.23 (±0.42)	3.49 (±0.19)	3.41 (±0.24)
Str	0.44 (±0.18)	0.21 (±0.05)	0.36 (±0.10)	0.18 (±0.04)	4.36 (±0.38)	3.16 (±0.48)	3.62 (±0.34)	5.20 (±0.26)*
mPFC	0.04 (±0.00)	0.06 (±0.01)	0.04 (±0.00)	0.06 (±0.01)	0.04 (±0.00)	0.03 (±0.00)	0.05 (±0.01)	0.08 (±0.03)
Amyg	0.10 (±0.02)	0.08 (±0.01)	0.17 (±0.03)	0.11 (±0.02)*	0.13 (±0.01)	0.24 (±0.04)	0.14 (±0.01)	0.18 (±0.03)
Hypo	0.20 (±0.01)	0.25 (±0.01)	0.23 (±0.02)	0.19 (±0.02)	0.25 (±0.03)	0.24 (±0.02)	0.31 (±0.03)	0.33 (±0.02)
MB	0.28 (±0.03)	0.29 (±0.02)	0.28 (±0.04)	0.29 (±0.04)	0.25 (±0.01)	0.22 (±0.01)	0.26 (±0.01)	0.24 (±0.01)
5-HT
	Experiment 4				Experiment 5
	Male		Female		Male		Female
	Saline	AMPH	Saline	AMPH	Alone	Social Int.	Alone	Social Int.
Region	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)	Mean (±SEM)
Nacc	0.49 (±0.05)	0.52 (±0.05)	0.52 (±0.06)	0.60 (±0.07)	0.43 (±0.03)	0.35 (±0.02)	0.33 (±0.02)	0.36 (±0.02)
Str	0.24 (±0.01)	0.31 (±0.01)	0.31 (±0.02)	0.36 (±0.02)	0.18 (±0.01)	0.40 (±0.02)*	0.14 (±0.01)	0.21 (±0.02)*
mPFC	0.15 (±0.02)	0.16 (±0.02)	0.15 (±0.02)	0.23 (±0.03)	0.15 (±0.01)	0.15 (±0.01)	0.21 (±0.01)	0.19 (±0.01)
Amyg	0.53 (±0.04)	0.42 (±0.03)	0.62 (±0.09)	0.57 (±0.06)	0.28 (±0.04)	0.21 (±0.02)	0.48 (±0.01)	0.46 (±0.01)
Hypo	0.36 (±0.05)	0.42 (±0.02)	0.58 (±0.05)	0.67 (±0.04)	0.53 (±0.06)	0.67 (±0.08)	0.58 (±0.07)	0.61 (±0.09)
MB	0.64 (±0.02)	0.59 (±0.04)	0.70 (±0.03)	0.73 (±0.03)	0.59 (±0.05)	0.75 (±0.05)	0.68 (±0.08)	0.72 (±0.07)

^*p<0.05 compared to same-sex control group in that region.