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Speech and Language language development, speech, language, dyslexia Development Speech and Language Development
Language is defined as a symbolic system for the storage and exchange of informa tion. Language consists of auditory expressive ability (speech), receptive ability (listening comprehension), and visual communication (gestures) language development, speech, language, dyslexia, dislexia.
Normal Speech and Language Development
Auditory Expressive Language Development
In the first 4 to 6 language development, speech, language, dyslexia weeks, the earliest sounds consist of cooing.
In the first few months, bilabial sounds begin, consisting of blowing bubbles or the "raspberry."
By 5 months, laughing and monosyllables appear, such as "da," "ba," or "ga."
Between 6 and 8 months, infants begin polysyllabic babbling, consisting of the same syllable repeated, such as "mamama," "dadadada."
By 9 months, infants sporadically say "mama" or "dada" without knowing the meaning of these sounds.
By 10 months of age, infants use "mama" and "dada" consistently to label the appropriate parent.
By 12 months, infants acquire one or two words other than "mama," or "dada".
During the second year of life, vocabulary growth velocity accelerates, starting at one new word per week at 12 months of age and increasing to one or more new words per day by 24 months of age.
By 18 to 20 months, a toddler should be using a minimum of 20 words; the 24-month-old should have a vocabulary of at least 50 words.
Early during the second language development, speech, language year of life toddlers produce jargon, consisting of strings of different sounds, with rising and falling, speech-like inflection. These speech inflection patterns of are referred to as prosody.
By 24 months of age, toddlers are producing two-word phrases, such as "want milk!" Memorized phrases, language development, speech, language such as "All gone" are not consid ered two-word phrases.
In the second year of language development, speech, language, dyslexia