Vocalizes with Coos; moves Marginal babbling Imitates sound Produces a wide Imitates others non-speech-like tongue sequences in one variety of sound coughs, laughs, burps, grunts, and throughout the breath combinations funny sounds coughs mouth to make vowel-like sounds Makes vowel Vocalizes “ma” or Babbles with Beginning of adult Demonstrates sounds “ah,” “mu” some speech (starting to intonation “eh,” ”uh” sounds develop certain contours of the vowels, syllables, language and Experiments with Produces diphthongs) uses variegated sounds such as consonants /m, n, babbling “raspberries,” b, p, t, d/ in bubbles babbling babbling) (i.e. Varies volume, "dagedagee") pitch and rate of sounds produced
Vocalizes with non-speech-like burps, grunts, and coughs Coos; moves tongue throughout the mouth to make vowel-like sounds Marginal babbling Imitates sound sequences in one breath Produces a wide variety of sound combinations Imitates others coughs, laughs, funny sounds Makes vowel sounds “ah,” “eh,” ”uh” Vocalizes “ma” or “mu” Babbles with some sounds Beginning of adult speech (starting to develop certain vowels, syllables, diphthongs) Demonstrates intonation contours of the language and uses variegated babbling babbling) (i.e. "dagedagee") Experiments with sounds such as “raspberries,” bubbles Produces consonants /m, n, b, p, t, d/ in babbling Varies volume, pitch and rate of sounds produced
Progressions%20at%20a%20glance.docx