FormalPara Core Messages

In collaboration with girls and boys elementary- and high school and their teachers, the following questions were devised as the basis for the investigation:

  • How do the high-speed videos change for the prepubertal over the pubertal to the postpubertal period?

  • How do the tonal range and dynamic range, the Voice Range Profile of the voice, develop for girls and boys?

  • How does the fundamental frequency of the speaking voice (F0) develop in girls and boys?

  • How does the relationship between the voice parameters and the pediatric stages change in girls and boys?

  • How do the androgen and estrogen hormones relate to childhood development stages of voice change in girls and boys?