Anti-: Prefix generally meaning against, opposite or opposing, and contrary.. In medicine, anti-often connotes counteracting or effective against as in antibacterial, anti-infective, and antiviral. Sometimes medical terms containing anti-take on new meanings as has occurred with antibiotic and antibody.
1 Epilepsy is also associated with a variety of developmental and metabolic disorders. 2  Other causes include head injury, prenatal injury, and poisoning.  Triggers for seizures include lack of sleep, alcohol consumption, stress, or hormonal changes associated with the menstrual cycle.
What happens in the brain during a seizure? 1  The electrical activity is caused by complex chemical changes that occur in nerve cells. 2  Brain cells either excite or inhibit (stop) other brain cells from sending messages. 3  Seizures are not a disease in themselves.