chapter 7 language development

phonetically consistent forms (PCF)

Functions as words for the infant but not bases on adult form

jargon

Long strings of unintelligible sounds with adult like prosodic and intonation patterns

first meaningful words 

dada, mama, bye-bye (but used for different ways; request, inquiris etc)

single word utterances 

• “words”

• phonetic relationship to some adult word 

• used consistently 

• must occur in the presence of a referent 

inital lexicon

• most first words contain one or two syllables 

  • cv, vc, cvcv 

phonological shape (CV,CVCV) 

overextension

the use of words with a broader meaning

ex': dog for ALL four legged animals

underextension 

the use of words with a restricted meaning

ex: cup for the childs cup only 

multiword combos

begine to combine words into longer utterances at about 18 months

ex: daddy eat, no night night, more cookie 

what is the approximate age for multi word combinations

18 months or 1 year and 6 months

what is the typical syllable structure

CVCV

open vs closed syllable 

• open - syllables that end in a vowel 

• closed - syllables that end in a consonant 

what are the common phonologicol processes

reduplication and epenthesis

reduplication

repitition of syllables

consonant cluster reduction

One or more consonants are deleted from a cluster

ex: spoon /pun/   or tree /ti/