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.
About Your EEG. An EEG or electroencephalogram is a completely safe and painless procedure for recording the electrical activity produced by the brain. Patterns of the brain's electrical activity provide information about specific brain functions. This information is used to help identify a wide variety of neurological problems.