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.

Jul 15, 2024 · A seizure is abnormal electrical activity in your brain that temporarily affects your consciousness, muscle control and behavior.

Depending on the regions of the brain involved, seizures can lead to changes in movement, sensation, behavior, awareness, or consciousness. Symptoms vary widely.

May 15, 2024 · About 1 in 10 people in the United States may have a seizure in their lifetime. 1 This means that someday you may need to help someone. There are easy steps to help someone during …

Apr 17, 2025 · Seizures are changes in your brain’s electrical activity. Learn more about types of seizures, causes and symptoms, and how you can help someone having a seizure.

Mar 13, 2026 · Epilepsy (sometimes referred to as a seizure disorder) can have many different causes and seizure types. Epilepsy varies in severity and impact from person to person and can be …

Jul 8, 2025 · A seizure is a sudden surge of electrical activity in the brain. Read about types of seizures, symptoms, diagnosis, treatment, prevention, and more.

During a seizure, those signals become sudden and disorganized, interrupting normal brain function for a short time. Some people have a single seizure in their lifetime. Others have a medical condition, …

Epileptic seizures are called a seizure disorder or epilepsy. What causes epileptic seizures is often unknown (called idiopathic epilepsy). But they may be caused by various brain disorders, such as …

May 9, 2025 · A seizure is a sudden change in the brain's normal electrical activity. During a seizure, brain cells "fire" uncontrollably at up to four times their normal rate, temporarily affecting the way a …