Figure 4From: Effects of a selectively bred novelty-seeking phenotype on the motivation to take cocaine in male and female rats The total number of nose pokes in the active hole during the drug-available sessions separated by effective nose pokes (those that count toward an infusion of cocaine) and ineffective nose pokes (nose pokes during the 40-second timeout). $ P < 0.05, significant effect of sex within phenotype for that day for total active pokes ($t) and ineffective active pokes ($i).Back to article page