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People often quite naturally speak to babies using a high-pitched 'sing-song' voice. But did you know there were good reasons for doing this?

Find out how babies tune in to the rhythms of 'parentese'.

Image gallerySkip image gallerySlide 1 of 3, Two mums and their newborn baby., Exaggerating the patterns and rhythms and melody of speech helps your child spot the patterns of sounds that they hear.

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