Nov 1, 2024 · A seizure is a sudden burst of electrical activity in the brain. It can cause changes in behavior, movements, feelings and levels of consciousness. Epilepsy is defined as having two or more seizures at least 24 hours apart that don't have a known cause. But epilepsy doesn't cause all seizures. There are many types of seizures.

Jul 15, 2024 · What is a seizure? A seizure (pronounced “see-zhr”) is a surge of abnormal electrical activity in your brain. The most recognizable symptoms of a seizure are a temporary loss of consciousness and uncontrollable movements (convulsions). Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission.

A seizure is a sudden change in behavior, movement or consciousness due to abnormal electrical activity in the brain. [3][6] Seizures can look different in different people.

Mar 17, 2023 · Seizures are changes in the brain’s electrical activity. These changes can cause dramatic, noticeable symptoms, subtle or mild symptoms, or no symptoms at all. The symptoms of a severe seizure...

May 15, 2024 · The seizure lasts longer than 5 minutes. They have another seizure soon after the first one. They have trouble breathing or waking up after the seizure. They are injured during the seizure. The seizure happens in water. It is also important to call 911 if the person having the seizure: Has never had a seizure before. Has diabetes and loses ...

Nov 1, 2024 · Learn about this burst of electrical activity in the brain and what causes it. Find out what to do if you see someone having a seizure.

A seizure is a burst of uncontrolled electrical activity between brain cells (also called neurons or nerve cells) that causes temporary abnormalities in muscle tone or movements (stiffness, twitching or limpness), behaviors, sensations or states of awareness.