“That’s what we’ve uncovered: This is a signal that helps teens engage with the world and form connections which allow them to be socially adept outside their families.” Age-related shift toward new voices Nichols, MD, Professor and a professor of psychiatry and behavioral sciences. “A child becomes independent at some point, and that has to be precipitated by an underlying biological signal,” said the study’s senior author, Vinod Menon, PhD, the Rachael L. The brain’s shift toward new voices is an aspect of healthy maturation, the researchers said. However, in teenage brains, the reward circuits and the brain centers that prioritize important stimuli are more activated by unfamiliar voices than by those of their mothers. In some ways, teens’ brains are more receptive to all voices - including their mothers’ - than the brains of children under 12, the researchers discovered, a finding that lines up with teenagers’ increased interest in many types of social signals. (Abrams explains how children's attention to voices evolves in this video.) Your mind is increasingly sensitive to and attracted to these unfamiliar voices.” You’re just being you: You’ve got your friends and new companions and you want to spend time with them. “As a teen, you don’t know you’re doing this. “Just as an infant knows to tune into her mother’s voice, an adolescent knows to tune into novel voices,” said lead study author Daniel Abrams, PhD, clinical associate professor of psychiatry and behavioral sciences. The research, which was published April 28 in the Journal of Neuroscience, used functional MRI brain scans to give the first detailed neurobiological explanation for how teens begin to separate from their parents. When your teenagers don’t seem to hear you, it’s not simply that they don’t want to clean their room or finish their homework: Their brains aren’t registering your voice the way they did in pre-teenage years.Īround age 13, kids’ brains no longer find their moms’ voices uniquely rewarding, and they tune into unfamiliar voices more, a new study from the Stanford School of Medicine has found.
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