Tonic-Clonic (Grand mal) – Often preceded by an aura
– Abrupt loss of consciousness is followed by tonic contractions that occur for several seconds
– Alternating contraction/relaxation = tonic-clonic phase – Neuronal exhaustion with termination of seizure » Low energy stores
– Stupor or coma for about 5-15 minutes » Postictal state
– Gradual re-awakening with amnesia of the event