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5 dni temu · A seizure is a sudden, uncontrolled burst of electrical activity in the brain. It can cause changes in behavior, movements, feelings and levels of consciousness. Having two or more seizures at least 24 hours apart that don't have a known cause is considered to be epilepsy.
A surge of electrical activity in your brain causes a seizure. Neurons (nerve cells) communicate by sending electrical signals to different parts of your brain. When a seizure happens, the affected brain cells fire signals uncontrollably to others around them.
14 paź 2023 · 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.
1 paź 2024 · A seizure is a sudden surge of abnormal electrical activity in the brain. The brain usually creates tiny electrical impulses in a regular pattern, which travel through nerve...
7 lut 2024 · Key facts. Epilepsy is a chronic noncommunicable disease of the brain that affects people of all ages. Around 50 million people worldwide have epilepsy, making it one of the most common neurological diseases globally. Nearly 80% of people with epilepsy live in low- and middle-income countries.
5 dni temu · A CT scan uses X-rays to obtain cross-sectional images of your brain. CT scans can reveal changes in your brain that might cause a seizure. Those changes may include tumors, bleeding and cysts. Positron emission tomography (PET). A PET scan uses a small amount of low-dose radioactive material that's injected into a vein.
2 kwi 2022 · Paroxysmal alteration of neurological function caused by an excessive hypersynchronous neuronal discharge in the brain is known as seizure. Non-epileptic seizure is short-lived while epilepsy is a neurological condition characterized by two or more provoked seizures.
