Phonological development stages
  • Early perception of speech sounds (1-4 months) Babbling shades into early speech, next toddlers produce those sounds they babbled. Babbling is dominated by stops, nasals, and glides, with a few of fricatives and affricatives and no liquids. Children take a few years to learn to articulate correctly the phonemes, with better performance on vowels than consonants.
  • Babbling (6-15 months) By imitation, repetition, and practice, children learn to approximate their pro...

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