Table 1.

Neurological Severity Scoring (NSS). One point given for each task failed. Zero points indicates no dysfunction (normal healthy mice) whereas 10 points means very severe injury.

Task	NSS
Presence of mono or hemi-paresis	1
Inability to walk on a 3 cm wide beam	1
Inability to walk on a 2 cm wide beam	1
Inability to walk on a 1 cm wide beam	1
Inability to balance on a 1 cm wide beam	1
Inability to balance on a 0.5 cm wide round stick	1
Failure to exit a 30 cm diameter circle in 2 min	1
Inability to walk straight	1
Loss of startle behavior	1
Loss of seeking behavior	1
Total	10