Fig. 5.

Olfactory and food preference in Prep1^i/+ mice. a WT and Prep1^i/+ mice (n = 9 per group) have been exposed to a 3-min preference test between an odorous (peanut butter or cinnamon) and a neutral scent (water), as described in the “Materials and Methods” section. Representative traces of animals exploring the arena, in which an odorous scent is placed in down-left corner and a neutral scent is placed in up-right corner, are shown. b WT and Prep1^i/+ have been exposed to a 12-h preference test between high-fat and standard foods, as described in the “Material and Methods” section. Asterisks denote statistically significant differences (*p < 0.05, ***p < 0.001)