For this purpose, an EEG may be done in conjunction with a standard sleep study called a polysomnogram , which monitors sleep stages and cycles to identify disruptions in sleep patterns, and why they may be occurring.
This test uses equipment that a person wears so that brain activity can be recorded continuously as they go about their normal activities. An electroencephalogram EEG is a test used to find problems related to electrical activity of the brain.
Ask your doctor if you should stop taking any medications before the test. You may also be given a sedative to help you relax and sleep before the test begins. Please be aware that we do not give advice on your individual medical condition, if you want advice please see your treating physician.
National Institute of Neurological Disorders and Stroke. You should also make a list of your medications and give it to the technician performing the EEG.Electroencephalogram (EEG)
Your doctor may recommend that your child stop taking certain medicines before the test. How each test is carried out depends on the type being performed. Mayo Clinic in Rochester, Minn. Otherwise, you should be able to resume your regular activities.
Current Competitions. This content does not have an Arabic version. Temporal lobe epilepsy is one of 20 different kinds of epilepsy. The electrodes detect tiny electrical charges that result from the activity of your brain cells. Your doctor may ask you to sleep as little as possible the night before the test if you have to sleep during the EEG.
Steven Dowshen, MD. Plagued by nocturnal seizures that disrupted her nights since she was a teenager, Jo searched for decades to [...
Image courtesy of Dr K Ng. The electrical signals from the brain are converted into wavy lines on a computer screen. An ambulatory EEG may be as short as a day or as many as three days. If you have a seizure disorder that you take medication for, you may be asked to lower your dose or not take your prescription at all prior to the test in order to "bring on" abnormal brain activity.
For instance, a belt may be placed around your waist to keep you from falling or you may not be allowed to walk around. If you know that you will be given a sedative for your EEG, you will need to bring someone along to drive you home afterward or arrange for a pick-up.
The electrodes are connected to the EEG machine with wires. In rare instances, an EEG can cause seizures in a person with a seizure disorder, which are brought on by deep breathing or flashing lights or if the person took less or none of their medication for the test. These lines allow doctors to quickly assess whether there are abnormal patterns. Normal electrical activity in the brain makes a recognizable pattern.