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.
Seizure: What It Is, Causes, Symptoms, Treatment & Types - Cleveland Clinic
2024年7月15日 · A seizure is abnormal electrical activity in your brain that temporarily affects your consciousness, muscle control and behavior.
Seizure Definition & Meaning - Merriam-Webster
1. a. : the act, action, or process of seizing : the state of being seized. b. : the taking possession of person or property by legal process. 2. a. : a sudden attack (as of disease)
Epilepsy - Symptoms and causes - Mayo Clinic
2023年10月14日 · Epilepsy — also known as a seizure disorder — is a brain condition that causes recurring seizures. There are many types of epilepsy. In some people, the cause can be identified.
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 that causes involuntary movements or a loss of consciousness. Seizures may occur due to medication or trauma that...
Seizures: Causes, Symptoms, and Treatment - WebMD
2023年12月4日 · 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 convulsions, when your...
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. Seizures are not all alike.
Seizure - Wikipedia
A seizure is a sudden change in behavior, movement, and/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 your brain’s electrical activity. Learn more about types of seizures, causes and symptoms, and how you can help someone having a seizure.
Understanding Seizures | Is It Epilepsy? - Epilepsy Foundation
Seizures involve sudden, temporary, bursts of electrical activity in the brain that change or disrupt the way messages are sent between brain cells. These electrical bursts can cause involuntary changes in body movement or function, sensation, behavior or awareness. Every brain has the potential to seize.