 Once developed, the Racine stages served as a quantitative way to categorize the intensity of a seizure that an epileptic patient experiences.A seizure is described as large amounts of synchronized action potentials which cause the body to perform uncontrollable muscle contractions resulting in involuntary movement and an incapacity to control ones actions.This synchronized action potential must surpass a certain threshold, which is different for each patient, which then reverberates throughout the body.