Bringing Up Baby
Hidden Brain
00:00
Learning to Stand in Line for the Slide
The slide is a way for kids to communicate with their peers, says laura. Actions like standing in line can be categorized as pro social behaviors and benefit the group. She decided to study what she'd seen on the playground more systematically. The researchers turned on some music mo and the person carrying the baby began to bounce. After about two and a half minutes, the bouncing stopped and the baby was removed from the carrier.
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