Online Supporting Material

Supplemental Table 4 Behaviors in the open field.

Behavior / Description
Postures and locomotion (states)
Standing / Standing without performing any other described behavior
Standing alert / Standing immobile with head upward and ears pricked
Sitting, kneeling / Sitting or kneeling without performing any other described behavior
Lying / Lying without performing any other described behavior
Walking, running / Walking or running without performing any other described behavior
Exploration (states)
Nosing / Sniffing, touching, rooting or licking floor, walls or substrate on the floor (e.g. feces), scraping the leg on the floor
Chewing / Chewing substrate on the floor (e.g. feces), or vacuum chewing
Vocalizations, escape attempts and other behaviors (events)
Low-pitched vocalizations / Short grunt
High-pitched vocalizations / Long grunt, squeal, grunt squeal and scream
Escape attempt / Trying to escape by jumping against a wall of the arena
Eliminating / Defecating or urinating