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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.
1 paź 2024 · 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 damages the...
17 mar 2023 · A seizure is a sudden change in movement or awareness due to a change in the electrical function of the brain. Sudden bursts of electrical energy may affect movement, sensation...
28 cze 2023 · A seizure is an episode of disrupted or erratic electrical activity among the nerves in the brain. It can involve altered awareness and uncontrolled movement of the body. There are several different types of seizures. Sometimes a seizure is called a convulsion.
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.
5 dni temu · 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. The material helps reveal active areas of the brain and detect changes.
