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"Child language development is commonly divided into prelinguistic behavior, vocalizations prior to the first true words, and linguistic development, which starts with the appearance of the first words." (Bauman-Waengler 2020)
Reflexive Crying & Vegetative Sounds
Reflexive Crying & Vegetative Sounds
Age: 0-2 months
Characterized by automatic vocalizations:
cries
coughs
grunts
feeding-related noises
Cooing & Laughter
Cooing & Laughter
Age: 1-4 months
Characterized by:
cooing sounds
occasional consonantal elements during comfortable states
decrease in crying and vegetative sounds
begin to show sustained laughter around 16 weeks
Vocal Play
Vocal Play
Age: 3-8 months
Characterized by:
longer sequences of sounds
varied loudness and pitch
more complexity in vowel variations
Basic Canonical Babbling
Basic Canonical Babbling
Age: 5-10 months
Characterized by:
reduplicated babbling with repetitive consonant-vowel combinations
non-reduplicated or variegated babbling that features variations in both consonants and vowels
smooth transitions between sounds.
Advanced Forms
Advanced Forms
Age: 9-18 months
Characterized by:
production of jargon (babbled utterances that mimic the structure of sentences through intonation and rhythm)
first meaningful words
more complex syllable structures like CCV and CCVC.
(Bauman-Wangler 2020)
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