Electrical Activity In The Brain Seizure
A seizure is a sudden surge of electrical activity in the brain.
Electrical activity in the brain seizure. The term seizure is often used interchangeably with convulsion during convulsions a person has uncontrollable shaking that is rapid and rhythmic with the muscles contracting and relaxing repeatedly. Seizures are changes in the brain s electrical activity. Seizures may briefly affect muscle control movement speech vision and awareness. During a seizure brain cells fire uncontrollably at up to four times their normal rate temporarily affecting the way a person behaves moves thinks or feels.
An eeg records the electrical activity of your brain via electrodes affixed to your scalp eeg results show changes in brain activity that may be useful in diagnosing brain conditions especially epilepsy and other seizure disorders. Watch what happens when abnormal electrical activity interrupts your normal brain function. Symptoms of seizures include lip smacking behavior staring spells. Seizures epilepsy are caused by abnormal electrical activity in the brain.
Causes of seizures include diabetic reaction low blood sugar hyperglycemia and medications. The symptoms of a severe seizure include. When people think of seizures they often think of convulsions in which a person s body shakes rapidly and uncontrollably. Seizures may also be classified as unknown onset if how the seizure began isn t known.
There are two major types of seizures. Epileptic seizures are caused by unusual electrical activity in the brain. A seizure is the physical findings or changes in behavior that occur after an episode of abnormal electrical activity in the brain. Not all seizures cause convulsions.
Whatever the brain and body can do normally can also occur during a seizure. When this happens it is known as a non epileptic seizure nes. There are many types of seizures and some have mild symptoms. Focal seizures result from abnormal electrical activity in one area of your brain.
Some people experience symptoms similar to those of an epileptic seizure but without any unusual electrical activity in the brain. Many different things can occur during a seizure. A seizure is a sudden change in the brain s normal electrical activity. A seizure usually affects how a person appears or acts for a short time.
The root condition may be epilepsy or another condition. They happen because of sudden abnormal electrical activity in the brain. These changes can cause dramatic noticeable symptoms or in other cases no symptoms at all.