During an EEG, the electrical signals of the brain are recorded. This electrical activity is detected by electrodes, or sensors, placed on the patient's scalp and transmitted to a polygraph that records the activity.
Mardi Gras Beads or throws are a fun part of the Carnival festivities in New Orleans, Louisiana.
What is the significance of the Mardi Gras colors? Mobile's Mardi Gras colors are purple and gold only; the green originated in New Orleans. The purple stands for justice; the gold for power; and the green for faith.