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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: Neurobiol Dis. 2014 Jun 19;70:74–89. doi: 10.1016/j.nbd.2014.06.004
Behavioral Score Observed Motor Behavior
0 Normal Behavior: walking, exploring, sniffing, grooming
1 Freeze Behavior: immobile, staring, heightened startle, curled-up posture
2 Automatisms: blinking, head bobbing, scratching, face washing, whisker twitching, chewing, star gazing
3 Early Seizure Behavior: myoclonic jerks, partial or whole body clonus (flexions and extensions of body muscles)
4 Advance Seizure Behavior: rearing and falling, loss of posture (e.g. falling, corkscrew turning, splaying of limbs)
5. Status Epilepticus: repeated seizure activity (≥2 events in stages 3, 4 or 6 within a 5 minute window), which lasts ≥ 30 min
6 Intense Seizure Behavior: repetitive jumping or bouncing, wild running, tonic seizures
7 Death