The EEG electrodes are painless, and are used to measure the electrical activity in various regions of the brain. For the test, the patient lies on a bed, padded table, or comfortable chair and is asked to relax and remain still during the EEG testing period.
Guide to Tucson weather in March The average maximum daytime temperature in Tucson in March is a warm 23Â°C (73Â°F). The average night-time temperature is usually a cool 8Â°C (46Â°F).
The vast majority of the county population lies in and around the city of Tucson (2011 city population: 525,796), filling much of the eastern part of the county with urban development. Tucson, Arizona's second largest city, is a major commercial and academic center.