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.
Whether itâs in Brazil or New Orleans carnival time usually means frolicking and partying in the streets. By studying the traditions of Mardi Gras, youâll come to understand its roots. Bead Throwing. Bead throwing actually began in the 1920s. The krewe were in charge of the parades. Moving across the streets, they would hurl cheap beads at the crowds.