Figure 2. Quantity of food (g) consumed during the four conditioning sessions.

During the conditioning period, the animals were given a 30-min flavoured meal associated with NaCl, LiCl or Glucose (Glu) duodenal injection. Data are presented with means and standard errors. Significant simple mean effects are indicated with asterisks and letters. An asterisk indicates a significant difference between two treatments during a single conditioning session (* P<0.05). Two different letters indicate a significant difference between two conditioning sessions for the same treatment (P<0.01).