Table 1.

Number of subjects in each testing condition.

	P17–19			P22–24
	Behavior
	Lighting			Lighting
TOD	Dim	Bright	Totals	Dim	Bright	Totals
AM	26	18	44	56	34	90
PM	56	22	78	40	23	63
Totals	82	40	122	96	57	153
	CORT			Arc
	P17–19	P22–24	Totals	P17–19	P22–24	Totals
AM	9	11	20	7	6	13
PM	5	8	13	8	11	19
Totals	14	19	33	15	17	32

Number of animals per assay broken down by age group and further organized by TOD and lighting conditions.