According to the critical period hypothesis, the earlier the acquisition of a second language starts, the better. Owing to the plasticity of the brain, up until a certain age a second language can be acquired successfully according to this view. Early second language learners are commonly said to have an advantage over later ones especially in…

Examined language differentiation in bilingual toddlers prior to the emergence of functional categories. The children were observed with each parent separately and both together. Results indicate that while these children did code mix, they were able to differentiate between their two languages. There was some evidence that language dominance…