Table 1.

Neurological scores system

	Score
	0	1	2	3
Spontaneous activity (3-min test period)	No movement	Slight movement	Touches 1 or 2 sides of cage	Touches 3 or 4 sides of cage
Symmetry of movement (forelimbs and hind limbs)	Total asymmetry	Near-total asymmetry	Mild asymmetry	Complete symmetry
Floor walking	No walking	Walks in circles only	Curvilinear path	Straight path
Beam walking	Falls off of beam	Hugs beam	Stands on beam	Walk on beam
Response to vibrissae touch of the left side		No response	Weak response	Symmetrical response