Fig. 6. Effect of T8–T12 denervation on recovery from abdominal surgery. The mean (SEM) food pellets earned for 5 days before abdominal surgery (bsl) and at indicated postoperative days with (  open bars and circles ) or without (  dark bars and circles ) gut manipulation is shown for rats that had T8–T12 denervation before food training. * Significantly different from baseline (  P < 0.05).