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. Author manuscript; available in PMC: 2011 Jul 1.
Published in final edited form as: Behav Pharmacol. 2010 Jul;21(4):301–313. doi: 10.1097/FBP.0b013e32833b0098

Fig. 5.

Fig. 5

Cocaine and glutamate display cross-sensitization. Planarians exposed to water (W), cocaine (COC) (0.1 mM) or glutamate (GLU) twice on day 1 (60 min apart) were treated with COC (0.1 mM) or GLU (0.1 mM) on day 4. Data are expressed as mean activity counts ± S.E.M. during 1 min of drug exposure on day 4. ***p < 0.001 compared to the W/GLU group; +p < 0.05, ++p < 0.01, and +++p < 0.001 compared to the W/COC group. N = 8 planarians per group.