Lauren Vinopal reports for Fatherly about a recent study, “The ecology of prelinguistic vocal learning: parents simplify the structure of their speech in response to babbling,” by Steven L. Elmlinger, Jennifer A. Schwade, and Michael H. Goldstein (Journal of Child Language 46.5 [September 2019], pp. 998-1011):
“Infants are actually shaping their own learning environments in ways that make learning easier to do,” study co-author Steven Elmlinger, a psychology graduate student at Cornell University, said in a statement. […]
“We know that parents’ speech influences how infants learn — that makes sense — and that infants’ own motivations also change how they learn,” Elmlinger said. “But what hasn’t been studied is the link between how infants can change the parents, or just change the learning environment as a whole. That’s what we’re trying to do.”
To get a better idea of the purpose of babies babbling, Elmlinger and his team observed 30 infant-mother pairs in a play space for two 30 minute increments, two days in a row. Nine and 10-month-old infant participants were free to roam and play with toys and animal posters, which were in the room, and their speech was recorded with a hidden wireless microphone in their overalls. Mothers had microphones as well and the sessions were recorded on video. Researchers measured parents’ syntax and vocabulary, as well as changes in how babies babbled from the first to the second day.
Data indicated that when babies babbled, moms tended to respond with less complex words, more single word sentences, and shorter words all around. The more parents did this, the faster the infants picked up new speech sounds during the second play session. The results also showed that single word utterances might have the biggest impact on babies and their ability to learn language, so that may be exactly what they’re asking for with all the babbling. Elmlinger suspects that they are likely telling mom and dad to do something and that may be it.
The research is still preliminary, further studies are needed, you know the drill.
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