Category B - full version without watermark 720x576 (check terms and conditions at www.teledesign.de) The version with watermark is for free to embed - Epilepsy is a common chronic neurological disorder characterized by recurrent unprovoked seizures. These seizures are transient signs and/or symptoms of abnormal, excessive or synchronous neuronal activity in the brain. Most patients with temporal lobe epilepsy show pronounced loss of neurons in limbic brain regions including the hippocampus. An epileptic seizure is the result of abnormal electrical activity in the brain which results in sensory disturbances, motor and autonomic dysfunction and altered consciousness levels. There is normally a balance between excitation and inhibition of neural activity.