
Seizures - Symptoms and causes - Mayo Clinic
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.
Seizure: What It Is, Causes, Symptoms, Treatment & Types
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.
Seizure - Wikipedia
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.
Seizures: Types, Causes, and Symptoms - Healthline
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...
Types of Seizures and Their Symptoms - WebMD
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...
Seizures: What are they, types, symptoms, causes, and more
2024年10月1日 · A seizure is a sudden surge of electrical activity in the brain. Read about types of seizures, symptoms, diagnosis, treatment, prevention, and more.
Types of Seizures - Johns Hopkins Medicine
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.
First Aid for Seizures | Epilepsy | CDC
2024年5月15日 · 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 ...
Seizure - StatPearls - NCBI Bookshelf
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.
What is a Seizure? - Epilepsy Foundation of Minnesota
A seizure is an abnormal release of electrical activity in the brain that causes temporary changes in how a person moves, feels, or thinks. Seizures can take many different forms, including whole-body convulsions/shaking or changes in awareness or behavior.