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

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.

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

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.

Dec 4, 2023 · What Is a Seizure? A seizure is abnormal electrical activity in the brain that happens quickly. It may go nearly unnoticed. In serious cases, it may cause unconsciousness and …

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.

A seizure is a burst of uncontrolled electrical activity between brain cells that causes temporary abnormalities in muscle tone or movements (stiffness, twitching or limpness), behaviors, sensations …

May 9, 2025 · What is a Seizure? 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 …

3 days ago · Not just epilepsy: Understanding seizures and how they affect you A practical guide to the different types of seizures Being diagnosed with seizures can feel confusing and overwhelming. …

What is a seizure? A seizure is a temporary episode of uncontrolled, abnormal electrical activity in the brain that affects physical and mental function. Epilepsy is a neurological condition that makes a …