2-year-olds possess grammatical insights

Brain responses suggest that toddlers already know fundamental rules for using nouns and verbs

Two-year-olds know more about grammar than they can say. Budding toddlers recognize the difference between nouns and verbs in simple sentences, even though the kids don’t utter such sentences for at least another year, say Anne Christophe of the Laboratory of Cognitive Sciences and Psycholinguistics in Paris and her colleagues.