That “bababa”? It’s not just cute—it’s communication in progress. Babbling helps babies: ✅ Practice using their mouths and voices (motor planning!) ✅ Connect their sounds with what they hear (auditory mapping) ✅ Learn that sounds matter—especially when you respond One study even found babies’ brains respond differently to their own babbles than to random sounds (Choi et al., 2019). That’s how early the learning starts. But here’s the key: Back-and-forth moments boost it all. Your smile, your ech