Figure 6.

Intracarotid infusion of ghrelin (10 nmol in 250 μl saline at 1 ml/min) did not reliably affect the activity of gastric load-sensitive vagal afferents tested without gastric loads. Lines represent results from each of seven fibers recorded in seven different rats (a–g). Neural activity was recorded for the 30 s periods immediately before infusion and starting at infusion onset (preinfusion and postinfusion onset) and for 60 s periods once each 5 min for 40 min after infusions. See Results for additional details.