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.
Mardi Gras is a cultural day of celebration that occurs prior to the fasting of Lent. It takes place the day before Ash Wednesday and 47 days before Easter Sunday. People celebrate Mardi Gras, also known as Fat Tuesday, by attending parties or participating in parades. Costumes, beads, and masks are part of the celebration, with colors being gold, purple, and green. These colors stand for power, justice, and faith.