Table I.

Modified neurological severity scores.

Tests	Points
Raising the rat by the tail
Flexion of forelimb	1
Flexion of hindlimb	1
Head moving more than 10° (vertical axis)	1
Placing the rat on the floor
Inability to walk straight	1
Circling toward the paretic side	1
Falling down to the paretic side	1
Abnormal movements
Immobility and staring	1
Tremor (wet-dog shakes)	1
Myodystonia, irritability, seizures	1
Sensory tests
Visual and tactile placing	1
Proprioceptive test (deep sensory)	1
Reflexes (blunt or sharp stimulation), when absent
Pinna reflex	1
Corneal reflex	1
Startle reflex	1
Maximum points	14