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COMD 2500 ch 5 part 4
Terms in this set (8)
Phonology (language form)
-infants start to produce sounds as soons as they are born (crying, burping)
-primitive vowel sounds (2 months until 6-8 months)
-vowel-like sounds that approximate adult vowels (3-8 months)
-primative consonant-vowel combinations
-canonical syllables or mature consonant vowl combinations (5-10 months)
Morphology and syntax (language form)
when infants begin to use true words, they generally utter these words in isolation for several months before they begin to combine words to make short phrases.
produce first true word at 12 months on avg.
-usually refer to salient people and objects in infant's everyday lives (momma, dada, doggie)
3 criteria for a true word (language content)
1. clear intention and purpose
2. recognizable pronunciation (doesn't have to be phonetically perfect!)
3. used consistently and generalized beyond the original context to all appropriate exemplars. (word: cup. says "tup". we need to see him use it for various cups around the house)
communicate intentionally (usually by 8 months of age) by using variety of pre-verbal language functions.
pre-verbal language functions
1. attention seeking to self
2. attention seeking to events, objects, or other people
3. requesting objects
4. requesting attention
5. requesting information
7. transferring (giving a toy to another child)
10. informing (showing a booboo to a parent)
Children who exhibit delays in their expressive language development.
Many are able to recover to normal language levels by age 3 or 4 but they may still exhibit delays in subtle aspects of language development.
13% of general population
males are 3x more likely
infants born earlier that 37 weeks gestation or less than 85% of their optimum birth weight are twice as likely
children who exhibit delays in their expressive language development are of particular concern to parents and clinicians because these are children who we need to watch closes to make sure the continue to develop and reach their developmental milestones. if they don't, they need to be referred for assessment.
children who are ahead of their peers in expressive language use.
Bates, Dale, and Thal (1995) definition:
between the ages of 11 and 21 months of age who are in the top ten percent for vocabulary production for their age on the MacArthur-Bates CDI (developmental checklist that is widely used in our profession).
Early talkers maintain an advantage over their age-matched, typically developing peers in: vocabulary, MLU, and verbal reasoning throughout early childhood.
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