Approximately 3 to 5 percent of children may experience a seizure, often before their first birthday, according to Children's Hospital Boston. The tonic-clonic seizure, sometimes called a grand mal seizure, is a generalized type that affects both...
Fitting the general perception of what happens during a seizure episode, clonic seizures involve convulsions of the torso, arms and legs, as the muscles in these parts of the body undergo rapid cycles of contraction and relaxation. The repeated...
One tonic-clonic seizure does not mean the condition will continue, so your physician may hesitate to medicate you after your first episode. You should, however, seek medical treatment if you've never had a seizure in the past. Your neurologist...
If you've ever had a migraine, a seizure aura is very similar. During an aura, which is actually a simple-partial seizure episode preceding the tonic-clonic phase, you may experience déjà vu, sudden emotional swings, feelings of dizziness...
When a person has a seizure, normal electrical activity in the brain is disrupted. The symptoms of a seizure can range from muscle twitching to a loss of consciousness. A seizure does not last longer than 15 minutes, according to the National...
Epilepsy is a brain disorder where a person experiences chronic recurring seizures characterized by abnormal electrical activity in the brain, which can have detrimental physical and mental results, according to the University of Maryland Medical...
Epilepsy is a condition characterized by abnormal electrical behavior in the brain. This can result in seizures, which can range from being barely noticeable to grand mal seizures, which cause convulsions and loss of consciousness. Epilepsy...
Children who develop juvenile myoclonic epilepsy will most likely have it for the rest of their lives. About 80 percent will need to take anti-epileptic drugs to prevent the return of seizures, according to Epilepsy Action's website. Some studies...
Juvenile myoclonic epilepsy, also known as impulsive petit mal seizures or Janz syndrome, is an inherited epilepsy syndrome. Typically presenting in adolescence, JME is usually a life-long condition. According to the University of Maryland Medical...
A grand mal seizure, often referred to as a tonic-clonic seizure, is characterized by violent muscle spasms and a loss of consciousness. A grand mal seizure, like all seizures, occurs due to abnormal electrical activity in the brain. A person most...
When a taser gun is fired, two probes shoot out and attach to the subject, sometimes at distances up to 25 feet away from who is firing the weapon. The probes then deliver an electric shock either directly to the skin or through clothing,...
Petit mal seizures generally last just a couple of seconds according to the U.S. National Library of Medicine. They're often defined by the person becoming "absent" for a few seconds--the person's speech or movement may be suddenly interrupted,...
Medical seizures range in severity and have a number of potential causes. there are two main classes of seizures: epileptic, which are caused by a seizure disorder, and non-epileptic, which are caused by other factors, according to the Merck...
Epileptic seizures have three phases. The preictal phase is the time leading up to the seizure. The ictal phase is the seizure itself. The postictal phase is the period after the seizure. The postictal phase may last from seconds to days,...
A grand mal seizure occurs when the electrical activity of the brain is temporarily out of control. Brain cells normally communicate using well-coordinated electrical signals. With a grand mal seizure, an electrical outburst causes disordered,...
Seizures, or convulsions, are caused by abnormal electrical activity in the brain. A seizure can be described as a short circuit of the electrical signals inside the brain. They can be caused by brain damage, trauma, infections or conditions that...
The postictal state refers to the period following a seizure. A seizure occurs when excess electrical activity occurs in the brain. In addition to physical responses, a seizure can cause behavioral effects. Common behaviors after a seizure can...
A brain seizure occurs when an electrical disturbance in the brain causes that organ to function abnormally. A seizure usually lasts between one and two minutes, but some symptoms may last longer, notes the Epilepsy Foundation of America. The...
Epilepsy is a seizure disorder that affects nearly 3 million Americans, according to the Epilepsy Foundation. During an epileptic seizure, neurons (nerve cells) that normally send messages to and from the brain misfire and send the wrong signals....
Grand mal seizure, also known as tonic-clonic seizure, is a neurological condition caused by abnormal electrical impulses throughout the cells of the brain. According to the Mayo Clinic, it results in symptoms of generalized loss of consciousness...
Children's epileptic seizures and spasms can be highly unpredictable. During the day, this may be an inconvenience. At night, however, the possibility of a child experiencing nocturnal epileptic spasms may affect Mom and Dad's sleep. Nocturnal...
The Epilepsy Foundation describes epilepsy as abnormal hyperactivity of the brain's electrical functioning. Epilepsy has no known cause in 60 to 75 percent of all cases. Where causes can be identified, reasons may include injury to the fetus,...
A grand mal seizure, also called a generalized tonic-clonic seizure, is caused by abnormal electrical activity in the brain. These types of seizure generally consist of rigid and violently contracting muscles and a loss of consciousness. Grand mal...
Seizures result from electrical signals that misfire in the brain. This may cause abnormal limb jerking, staring spells or even hallucinations. Some people may be unaware of their symptoms, losing consciousness, after which they later awake....
When you see a person fall to the ground in a convulsion, you're most likely witnessing a grand mal seizure. It also goes by the name of generalized seizure, but a more descriptive term is tonic-clonic seizure because it indicates two stages. In...
The brain uses electricity to allow different brain cells (called neurons) to communicate. When a nerve gets stimulated, it opens small channels in its membrane (the wall that surrounds cells of all kinds and helps keep them together) to let...
The symptoms of nonepileptic seizures, also known as psychogenic seizures, are often indistinguishable from those of epilepsy. However, the cause of the events is markedly different. With epilepsy, seizures occur due to a spontaneous surge in...
Seizures are caused by complications in the brain due to abnormal electrical activity, according to The National Institutes of Health (NIH). The most common type of seizure most people think of is a grand mal seizure, or tonic-clonic seizure. The...
A seizure, the production of sudden and strong surges in electrochemical impulses by a group of nerves in the brain, can cause a loss of consciousness, or a blackout. Seizures are classified based on how much of the brain is involved, which part...
