Normal-hearing adults between 18 and 31 years of age were evaluated, including 50 males (mean age 24.72 years) and 50 females (mean age 23.77 years). The youngest male subject was 18 years old, and the youngest female subject was 18.16 years old. In contrast, the oldest male subject was 31.5 years old, and the oldest female subject was 31.83 years old. All of the participants in the study were students or employees of the University of Guarulhos.