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. Author manuscript; available in PMC: 2013 Mar 2.
Published in final edited form as: Psychopharmacology (Berl). 2009 Nov 21;208(1):143–158. doi: 10.1007/s00213-009-1716-z

Figure 2.

Figure 2

Figure 2

Effect of the nAChR antagonist mecamylamine on the brain reward thresholds (A) and response latencies (B) of rats exposed to tobacco smoke (n=10) and control rats (n=10). In figure 1A, asterisks (* P<0.05, ** P<0.01) indicate elevated brain reward thresholds compared to the corresponding control group. Pound signs (#P<0.05) indicate elevated brain reward thresholds compared to the tobacco smoke group treated with 1 mg/kg of mecamylamine. Plus signs (++ P<0.01) indicate elevated brain reward thresholds compared to the tobacco smoke group treated with vehicle. In figure 1B, asterisks (* P<0.05) indicate increased or decreased response latencies compared to the corresponding control group. Pound signs (#P<0.05) indicate increased latencies compared to the tobacco smoke group treated with 1 mg/kg of mecamylamine. Plus signs (++ P<0.01) indicate increased latencies compared to the tobacco smoke group treated with vehicle.