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Mean (+/-SEM) difference in 90° rotations between Baseline and Day 1, Day 7, Sensitization Test (ST), and MEC/Context Test (M/C) for SHR (filled symbols) and WKY (open symbols) under nicotine (squares) and saline (circles) treatments. ST = Sensitization Test, M/C = MEC/Context Test. *Significant main effect of drug. #Significant main effect of strain. &Significant Strain x Drug interaction effect.
