Stage

Stage name

Behavior

Duration (sec)

Count per side/per stage

I

Elliptical stroke

Rostral grooming: licking of the front paws or strokes around the nose and mouth

1

4

II

Unilateral stroke

facial grooming, unilateral nose grooming

0.25

2

III

Bilateral stroke

Bilateral grooming: strokes of the front toes around the ears on both sides, head grooming

0.75

4

IV

Body grooming

The latter moves into other grooming movements (hind paws, genitals, tail scratching, and licking) that do not belong to the syntactic chain

2

1