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Symptoms registered after tetrodotoxin (TTX) administration. Ratio between mice with the symptom versus the total mice treated.
| Symptoms | TTX Dose (µg/kg) | |||||
|---|---|---|---|---|---|---|
| 1000 | 500 | 250 | 125 | 75 | 25 | |
| Apathy | 3/3 | 5/5 | 7/7 | 9/9 | 0/9 | 0/9 |
| Piloerection | 0/3 | 0/5 | 1/7 | 2/9 | 0/9 | 0/9 |
| Paralysis of extremities | 3/3 | 2/5 | 2/7 | 0/9 | 0/9 | 0/9 |
| Seizures | 3/3 | 2/5 | 2/7 | 0/9 | 0/9 | 0/9 |
| Circling | 0/3 | 2/5 | 1/7 | 0/9 | 0/9 | 0/9 |
| Squint eyes | 0/3 | 1/5 | 0/7 | 0/9 | 0/9 | 0/9 |
