Why your face is the best teacher your toddler will ever have

There's a reason kids learn faster from the people who love them. And it has implications for every learning tool out there.

In 2014, researchers at the University of Washington put 9-month-olds in front of either a live person teaching Mandarin or a video of the same person teaching the same content. Same words. Same gestures. Same length.

The babies in the live condition learned the sounds. The babies in the video condition learned nothing. (Kuhl, *PNAS*, 2014.)

The kids didn't lack capacity. They lacked the *relationship.*

The "social brain" effect

A child's brain is wired to learn from people they're attached to. The face that fed them, soothed them, said their name 4,000 times — that face has a kind of cognitive priority no stranger and no character can match.

Neuroscientists call this the "social brain" effect. Functional MRI studies of toddlers (Redcay et al., 2010) show that the same content lights up more learning-related regions when it's delivered by a familiar caregiver than by a stranger.

Why this matters for any learning tool

Most early-learning content is built around bright colors, jingles, and animated mascots. These are designed to grab attention. They're not designed to leverage attachment, because they can't — they don't know the child.

Tools that use the actual faces, voices, and routines of the people the child loves have access to a learning channel that no commercial product does.

What I'd tell any parent shopping for "learning"

Cheap tools shout. Good tools personalize. Great tools use the people your child already trusts. Look for the third kind.

— Priya