2024年11月1日 · 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.

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.

2023年3月17日 · 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...

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.

2023年12月4日 · 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...

2024年7月25日 · Seizures can happen for many reasons, and they can be mild or severe. The most common cause of seizures is a condition called epilepsy, a brain disorder that causes nerve cells in your brain to...

2023年2月7日 · An epileptic seizure is a transient occurrence with signs or symptoms due to abnormal excessive and synchronous neuronal activity in the brain. There are many different types of seizures. Current classification designates two large categories - partial or generalized.

2024年5月15日 · There are two main types of seizures: generalized and focal seizures. These types describe where a seizure starts in the brain and how it may affect a person. Call 911 if a seizure (of any type) lasts more than 5 minutes or if the …

There are now 3 major groups of seizures: These seizures affect both sides of the brain or groups of cells on both sides of the brain at the same time. This term was used before and still includes seizure types like generalized tonic-clonic, absence, or atonic to name a few.