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Language Acquisition,[object Object]
Vocalizations in the first year of life,[object Object],At birth, the infant vocal tract is in some ways more like that of an ape than that of an adult human. Compare the diagram of the infant vocal tract shown on the left to diagrams of adult human and ape.,[object Object],In particular, the tip of the velum reaches or overlaps with the tip of the epiglottis. As the infant grows, the tract gradually reshapes itself in the adult pattern.,[object Object],During the first two months ,[object Object]
At birth, the infant vocal tract is in some ways more like that of an ape than that of an adult human. ,[object Object],nasalizedvowelsound,[object Object]
5 basic stages of Language,[object Object],Cooing,[object Object],Babbling,[object Object],One word utterances,[object Object],Telegraphic speech,[object Object],Normal Speech,[object Object]
Cooing: Appears at about 4-8 months.All infants coo using all the phonemes from every language. Even congenitally deaf children coo. Repetitive CV patterns,[object Object],During the period from, infants typically engage in "vocal play", manipulating pitch (to produce "squeals" and "growls"), loudness (producing "yells"), and also manipulating tract closures to produce friction noises, nasal murmurs, "raspberries" and "snorts,[object Object]
Babbling,[object Object],Babbling: Appears at around 9 months. Infants selectively use the phonemes ( smallest unit of sound) from their native language. ,[object Object],7 months,- "canonical babbling" appears: infants start to make extended sounds that are chopped up rhythmically by oral articulations into syllable-like sequences, opening and closing their jaws, lips and tongue.. The range of sounds produced are heard as stop-like and glide-like. Vowels tend to be low and open, at least in the beginning.,[object Object],No other animal does anything like babbling. It has often been hypothesized that vocal play and babbling have the function of "practicing" speech-like gestures, helping the infant to gain control of the motor systems involved, and to learn the acoustical consequences of different gestures,[object Object]
One-word utterances: At around 12-18 months, children start using words. ,[object Object],Telegraphic speech: Children start making multi-word utterances that lack function words. (about 2 years old) ,[object Object],Normal speech: By about 5-6 years of age, children have almost normal speech ,[object Object]
Language aquisition full pres
There is often a spurt of vocabulary acquisition during the second year. Early words are acquired at a rate of 1-3 per week (as measured by production diaries); in many cases the rate may suddenly increase to 8-10 new words per week, after 40 or so words have been learned.,[object Object]
Expand vocabulary,[object Object],Talk constantly to your baby in full sentences,[object Object],Explain what you are doing all the time,[object Object],          “ Were are washing your toes” ,[object Object],        “I am combing your pretty hair”. ,[object Object]
Reading to your baby,[object Object],Read simple picture books to your baby, starting as early as two or three months of age. Point to the pictures and name the pictures for them.Point to pictures ,[object Object],make descriptive sentences   “Look at the red ball”! See the pretty pink bunny?,[object Object],Expand your babies words. Baby says Kha for car. You say …. That’s daddys big car. ,[object Object]
Language aquisition full pres
Imitation: Pretty self-explanatory. ,[object Object],Modeling: Children sound like the adults around them, such as by sharing accents and idioms. Adults use child-directed speech to make themselves easier for children to understand. ,[object Object]
Motivation for learning,[object Object],His learning of the new language coincides with his discovery of the world. the curiosity that he has toward the world becomes a powerful force in his language learning.,[object Object],And every time he uses a piece of language successfully, it is reinforced in his mind and his confidence grows,[object Object]
Good Language Environment,[object Object],No pressure should be put upon the child as he learns ,[object Object],the environment does contain within itself the ability to tell the child where to begin and how to proceed.,[object Object],There is all the time that the child needs to learn the language,[object Object]
Sources,[object Object],http://www.ling.upenn.edu/courses/Fall_2003/ling001/acquisition.html,[object Object],http://iteslj.org/Articles/McGlothlin-ChildLearn.html,[object Object]

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