Neurological score
Score	Absence	Slight presence	Marked presence
Forelimbs limbs slipping or dangling under the perch, at rest or during movement	0	1	2
Hind limbs slipping or dangling under the perch, at rest or during movement	0	1	2
Hand crossing the chest	0	1	2
Head tilting (before and after stimulation)	0	1	2
Lack of reaction to visual stimulus	0	1	2