Normal Speech and Language Development Flashcards
Define perlocutionary period and when it occurs.
0-8 months
unintentional expression, interpreted as communicative
define illocutionary period
9-12 months
intentional - purposefully communicative, sends intentional messages nonverbally
what occurs during perlocutionary period
0-2m reflexive vocalizations (defined by anatomy of child - burping, crying, sneezing)
2-4m cooing (sounds made in back of mouth - coo, goo)
4-6m vocal play (raspberries, growls, CV syllables emerge)
6m+ babbling (reduplicated and then variegated)
what occurs during illocutionary period
emergence of speech patterns including jargon, long strings of variegated babbling in sentence like intonation patterns, phonetically consistent forms
by 18 months, child should be producing how many words?
50
by 2 years, how many words?
200-300 words
by 3 years, how many words?
1000
by 5 years, how many words?
2,500
by 12 years, how many words?
50,000
list the expressive milestones for 0-3 months
cries for basic daily needs
coos and smiles
list the receptive milestones for 0-3 months
quiets and smiles or startles in response to sound
list the receptive milestones for 4-6 months
responds to changes in voice tone
eye contact in direction of sound
list the expressive milestones for 4-6 months
laughs/makes sound for emotions
babbling and cooing
list the receptive milestones for 7-12 months
recognizes name
comprehends simple words/phrases
looks at objects/people when named
list the expressive milestones for 7-12 months
points to objects/shows them to others
simple gestures to communicate
first words around 12 months