Fig. 3From: Peripheral nerve injury in rats induces alternations in choice behavior associated with food reinforcementTime course changes in withdrawal thresholds and preference index with the object on the short route after SNL. a Withdrawal thresholds in the hind paw ipsilateral to SNL were measured in normal and SNL rats 0–4 weeks after surgery. b Preference index values are presented as the percentage of counts that animals chose the short route over the total counts. Groups differ by two-way ANOVA for repeated measures. *p < 0.01 vs normalBack to article page