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begenning at about 4 months, stage of speech development in which the infant spontaneously uters various sounds at first unrelated to the household language
stage in speech development, from age 1 to 2, during which a chiild speaks mostly in single words
one word stage
beggining about age 2, the stage in speech developement durbning which a child speaks mostly 2 word statements
2 word stage
early speech stage in which a chil speaks like a telegram- "go car"- using mostly nouns and verbs and ommiting auxiliary words
what do genes design
the mechanisms for a language, and experience activates them as it modifies the brain
believes children learn from environment but acquire untought words and grammar to quickly to be explained solely by learning
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