Baby Brains Have a Superpower You Lost | How Babies Recognize Every Language Sound

Hinzugefügt: 2026-05-26

[00:00:00]Every baby is born with a superpower you don't have. In the first months of life, a baby's brain can detect every sound used in every human language on Earth.

[00:00:11]Around 600 consonants and vowels combined. They hear differences so subtle most adults can't [music] even notice them. Clicks, tones, whistles, tiny shifts in pronunciation.

[00:00:24]Everything is clear, but then something changes. Between 6 and 12 months [music] old, the brain starts making decisions.

[00:00:32]Unused connections are pruned away. By the first birthday, that universal listening ability is gone.

[00:00:40]Forever? Now the brain is specialized.

[00:00:44]It only recognizes the sounds [music] of the language it grew up with.

[00:00:48]That's why some adults struggle with foreign sounds, [music] like L and R in Japanese speech perception.

[00:00:56]Scientists call this the critical period.

[00:00:58]>> [music] >> And once it closes, the brain doesn't fully reopen it. For watching more videos, please like and subscribe.