Figure 4From: Cocaine locomotor activation, sensitization and place preference in six inbred strains of miceAcute locomotor response across strains to a single 20 mg/kg cocaine challenge. Saline locomotor activity (white bars) was recorded on day 2 of testing and cocaine locomotor activity (grey bars) was recorded on day 3. Error bars are SEM. **p < 0.01, ***p < 0.001.Back to article page