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.
Meaning of Mardi Gras colors. According to the official New Orleans Mardi Gras website, the three colors have specific meanings. The color green represents faith. The color gold represents power. The color purple represents justice. The official meaning of the three Mardi Gras colors was unveiled at the 1892 Krewe of Rex parade featuring the theme, âSymbolism of Colors.â Colors inspire university colors.