TABLE I.

Effect of novel home cage exposure on turnover of NE, DA, and 5HT in the vicinity of the LC

Group	DA	DOPAC	DOPAC/DA	NE	MHPG	MHPG/NE	5HT	5HIAA	5HIAA/5HT
Control (9)	0.019	0.015	0.786	0.349	0.016	0.047	0.398	0.485	1.109
	0.002	0.002	0.027	0.040	0.002	0.001	0.042	0.112	0.147
Novel cage (9)	0.023	0.025	1.049	0.369	0.023	0.060	0.406	0.568	1.281
	0.001	0.003	0.072	0.032	0.003	0.003	0.038	0.134	0.189
t	−1.76	−3.35	3.43	−0.40	1.92	4.40	−0.13	−0.47	−0.72
p	0.0960	0.0004	0.0034	NS	0.0720	0.0004	NS	NS	NS

Values are means and SEMs of groups of 9 mice. Values of amines are in ng/mg wet weight.