Young infants respond to primate calls

Three to four-month-old human infants respond to primate calls in the same way as to human language.

Research from the US and Italy found that the origin of links between language and categorisation don’t come from learning alone, as young infants responded to unfamiliar non-human sounds, like lemur calls.

By the age of six months the effect had disappeared, as infants tuned specifically to human sounds.

Read more at Northwestern University