Novel Object Recognition (NOR) Test

NOR tests were performed in a 38 × 38 × 32 cm acrylic box and were performed according to Jara et al. (2018). The animals were habituated in the box for 2 consecutive days, without any object. During testing, each animal was placed in the box containing two identical objects (old objects) for 10 min. Then, the box and objects were cleaned (50% methanol). After 2 h, the animal was exposed to one of the old objects and a new object of different shapes and colors. The recognition index was calculated as the time spent by the mouse exploring the new object divided by the time spent exploring both objects.