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).
If you have visited Tucson in drier parts of the year you probably won't be able to recognise it from the picture (above right) taken about 2pm in the afternoon. The worst of the rain is over, but the washes are still flooding over the roads. It is still raining, and continues to do so for another couple of hours.