Barack and Michelle Obama did not adopt either of their two daughters. Perhaps you are thinking of Mr. Obama's 2008 opponent, John McCain-- he and his wife Cindy did adopt a lâ¦ittle girl from Bangladesh.
The test itself will take about 30-60 minutes. Placing the electrodes usually takes 20 minutes, but can take up to an hour, so the entire procedure may take about one to 2 hours. If you have an ambulatory EEG, brain activity is recorded for 24 hours or more.
Electroencephalography (EEG) records the electrical activity of the brain. When diagnosing LGS, doctors will look for diffused slow spikes and slow waves of 2-2.5 cycles per second.4 This is between seizures, and while the person is awake.4 An EEG during sleep is also necessary.