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. Author manuscript; available in PMC: 2011 Jun 1.
Published in final edited form as: Physiol Behav. 2010 Jan 1;100(3):208–215. doi: 10.1016/j.physbeh.2009.12.017

Figure 3.

Figure 3

Amphetamine sensitization in adult male and female rats exposed to cocaine at 50 mg/kg during postnatal days 11–20. Data for males and females on the first day of treatment (trial 1) compared to that on day 7 (trial 7) after daily doses of 2 mg/kg amphetamine with the intensities of stereotyped behavior shown along the X axis. * indicates significant difference from day 1 value within group. Females treated with cocaine show greatly enhanced stereotyped behavior toward the end of treatment while cocaine produced the opposite effect in males. Mean + sem