Scientists wanted to know how babies who grow up hearing two languages (bilingual babies) learn so much, so fast!
Usually, babies who hear only one language (monolingual babies) learn to talk step by step, just like everyone expects. But bilingual babies have to learn twice as much—two different sets of words, sounds, and rules! Even so, they learn just as quickly as monolingual babies.
The Experiment
To find out how bilingual babies learn, scientists played different made-up words for babies and then showed them a toy on a screen. They wanted to see if the babies could figure out a pattern—if certain words meant the toy would appear on the left or the right.
- Monolingual babies could only learn one pattern at a time.
- Bilingual babies could learn two patterns at the same time!
This means that babies who hear two languages every day become really good at spotting patterns and learning new things. Their brains get better at handling multiple pieces of information at once.
Why Is This Important?
Since bilingual babies are used to hearing two languages, their brains work in a flexible way. This helps them figure things out faster, just like how a person who practices solving puzzles gets better at them over time.
So, even though bilingual babies have more to learn, they do it just as fast because their brains get extra practice from switching between two languages all the time!
Read the paper:
Ágnes Melinda Kovács and Jacques Mehler : Flexible Learning of Multiple Speech Structures in Bilingual Infants. Published online 9 July 2009; 10.1126/science.1173947