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LANGUAGE BABIES PERCEIVE
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LANGUAGE BABIES PRODUCE
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Birth to 6 months
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• Rhythms in any language of the world
• Vowels and consonants in any language of the world
• Familiar voices
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• Birth cry and other reflexive sounds
• Cooing, gurgling, laughing
• Vocal experiments: screaming, putting lips together, blowing
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6 to 12 months
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• Fewer and fewer vowels and consonants in languages that are not in their environment
• More and more patterns in the languages they hear
• Some words pronounced slowly and clearly
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• repetitive babbling using sounds of the languages in the environment
• Long string of babbling with adult-like intonation
• Word-like utterances that may have several meanings
• Some musical notes
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12 to 18 months
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• Categories and nuances of words
• Words within phrases
• Short phrases
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• First word (differing from language to language)
• Naming explosion or “word spurt”
• Repeating, shouting, interjecting
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18 to 24 months
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• Awareness of language
• Order of words in phrases
• Increasingly complex words and phrases
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• “Telegraphic speech” with word order appropriate to the particular language
• Consonants t, k, b, d, g, n, m, f, s, h, and w
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