Seizures are temporary abnormal electro-physiologic phenomena of
the brain, resulting in abnormal synchronization of electrical
neuronal activity. They can manifest as an alteration in mental
state, tonic or clonic movements, convulsions, and various other
psychic symptoms (such as déja vu or jamais vu). They are due to
temporary abnormal electrical activity of a group of brain
cells. The medical syndrome of recurrent, unprovoked seizures is
termed epilepsy, but some seizures may occur in people who do
not have epilepsy. The treatment of epilepsy is a subspecialty
of neurology; the study of seizures is part of neuroscience.
Seizures can cause involuntary changes in body movement or
function, sensation, awareness, or behavior. A seizure can last
from a few seconds to status epilepticus, a continuous seizure
that will not stop without intervention. Seizure is often
associated with a sudden and involuntary contraction of a group
of muscles. However, a seizure can also be as subtle as marching
numbness of a part