‘How do babies learn so much from so little so quickly? In a fun, experiment-filled talk, cognitive scientist Laura Schulz shows how our young ones make decisions with a surprisingly strong sense of logic, well before they can talk.’
Yes, this does not refer to language acquisition. However, the implications of how these babies are responding and extending their understanding of features does link back to their communication later on.
Consider how over and underextension or generalisations can be seen in this clip.