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.
In these children, if the electroencephalogram (EEG) is found to be normal, the risk of seizure recurrence is estimated to decrease to approximately 15% within 1 year and 26% within 3 years. If the EEG is found to be abnormal, approximately 41% will have another seizure within 1 year and 56% within 3 years.