Table 2.

Summary of the modified UCMS procedures employed in Experiment 3. Changes from the original protocol are designated with an asterisk (*).

Day	Time	Procedure
1	O/N	Exposure to damp bedding
2	AM	1-h immobilization in restraint tube
3	AM*	5-min exposure to 2% isoflurane anesthesia
	O/N	Cage tilt
4	AM	1-h exposure to soiled rat bedding
	AM*	5-min forced swim
5	All day	Exposure to damp bedding
	O/N	Food and water deprivation
6	AM	5-min forced swim
	PM	12-h housing under shifted light cycle
7	PM	1-h immobilization in restraint tube
	O/N	Individual/isolation housing
8	AM	5-min exposure to 2% isoflurane anesthesia
	PM	1-h exposure to brightly lit inescapable arena
	O/N	Housing with bedding from strange males
9	AM	1-h immobilization in restraint tube
	PM	1-h exposure to soiled rat bedding
	O/N	Food and water deprivation
10	AM*	15-min forced swim
	O/N	Cage tilt
11	AM*	3-h housing under shifted light cycle
	PM*	1-h exposure to bobcat urine
	O/N	Housing with bedding from strange males