TABLE 1.

Zea-Longa neurological function score.

Grade	Rat behavior	Neurological function
0	No neurological deficit	Normal
1	The forelimb on the paralyzed side cannot be fully extended	Mild neurological deficit
2	The rat turns to the paralyzed side while walking	Moderate neurological deficit
3	The rat falls to the paralyzed side while walking	Severe neurological deficit
4	Can't go spontaneously, lose consciousness	Very severe neurological deficit