You believe they accidentally misrepresented the scientists who never mentioned the concept in the headline? Come on.
There is an endless stream of these headlines that misrepresent the scientific claims in a way that just happens to seem designed to make the article more appealing. I'm sure it's all pure coincidence.
Yeah the quote from the researcher is “Parents should talk and sing to their babies as much as possible or use infant-directed speech like nursery rhymes because it will make a difference to language outcome.”
Which, you know, sure, why not. Nursery rhymes are, I'm sure, great. But the idea that it is "vital" seems preposterous, as I'm sure many infants do not have anyone singing to them, and they still learn to speak.
Again, I'm sure singing to your baby is good stuff, but the headline seems like a stretch.