Table 2. Correlations among monoamine concentrations and wheel running in the nucleus accumbens of HR, M16 and ICR mice.

		Average Speed			Average Distance
		HR	M16	ICR	HR	M16	ICR
Dopamine	Pearson Correlation	-0.36	0.14	0.06	-0.37	0.08	0.04
	Sig. (2-tailed)	*0.03	0.40	0.74	*0.03	0.63	0.80
	N	34	40	36	34	40	36
Norepinephrine	Pearson Correlation	-0.28	-0.05	-0.02	-0.25	0.07	0.00
	Sig. (2-tailed)	0.10	0.78	0.89	0.15	0.65	1.00
	N	35	41	36	35	41	36
DOPAC	Pearson Correlation	-0.41	-0.08	-0.04	-0.43	-0.14	-0.02
	Sig. (2-tailed)	*0.01	0.60	0.82	*0.01	0.37	0.90
	N	35	41	36	35	41	36
HVA	Pearson Correlation	-0.36	-0.16	0.20	-0.36	-0.18	0.21
	Sig. (2-tailed)	*0.03	0.33	0.24	*0.03	0.25	0.22
	N	35	41	36	35	41	36
5HIAA	Pearson Correlation	-0.32	-0.12	-0.18	-0.33	-0.12	-0.15
	Sig. (2-tailed)	0.06	0.46	0.30	0.06	0.44	0.39
	N	35	41	36	35	41	36