Table 2.

Experimental procedure

Injection	1	2	3	4	5	6
Administered	S, C*	S, C	S, C	S, C	S, C	S, C
Timeline	Day 1	2-3 days later	2-3 days later	2-3 days later	2-3 days later	2-weeks after Injection 5
Locomotor Track	Yes	No	No	No	Yes	Yes
Measure	Novelty (S) and baseline cocaine - induced locomotor activity (C)	Development of cocaine-induced locomotor sensitization				Expression of cocaine-induced locomotor sensitization

^*S, C saline then cocaine (10 mg/kg i.p.)