highly significantp < 0.0001
A moderate, albeit highly significant, correlation ( r = 0.40, p < 0.0001) between the lick ratio and lick cluster size was found in rats self-administering i.v. nicotine with these sensory cues.
A moderate, albeit highly significant, correlation ( r = 0.40, p < 0.0001) between the lick ratio and lick cluster size was found in rats self-administering i.v. nicotine with these sensory cues.