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Figure 1 | BMC Neuroscience

Figure 1

From: mRNA and microRNA analysis reveals modulation of biochemical pathways related to addiction in the ventral tegmental area of methamphetamine self-administering rats

Figure 1

a Rat weight during the course of the self-admin study. Methamphetamine self-administration rats (n = 11) gained less weight than controls (n = 11) for the duration of the study; the weights were significantly different at day 35 and day 40 (p < 0.05, Student’s t-test). b Number of active and inactive lever responses over the course of the study for methamphetamine self-administration rats, and c control rats lever responses.

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