Lang dis & development

babbling occurs…

between 4-6 months

4-6 months

B-VERS

• babbling

• vocal play

• expression

• recognizes voices

• social engagement

Overextensions

overgeneralization of word, “doggie” is for every animal

behavioral theory

dog wants treats, so once they sit they get treat (reward)

• learned behavior is shaped by environment

• hears langauge around and uses it more

  • speech develops around behaviorsc

cognitive theory

object permanence

• understanding comes first then words

SLI

language is the only thing affected

• miss endings (omitts morphemes)

gestault

• chunks langauge

• stage 1= readysetgoherewego

• stage 2= readysetgo….. here we go

is DLD and SLI interchangeable?

DLD is preferred becasue it is more inclusive and does not restrict

Browns morphemes: 1.5-2 y

MLU= 1-2

50-60 words

Browns: 2-2.5 y

MLU= 2-2.5, ing, in, on, s

browns: 2.5-3 y

MLU=2.5-3 , Irregular past tense

Browns: 3-3.5 y

MLU=3-3.75, articles “the” regular past tense, present tense

browns: 3.5 plus years

MLU= 3.75-4.5

navist theory

reinforcement is uncessary for langauge growth

• syntax at core

information processing theory

• language is a system not cognition

At what age does a typically developing child begin to produce variegated babbling?

7-9 months

varigated babbling

ma da ba, toda

a 10 month old who looks in the correct place for a hidden toy is demonstrating what skill

object permanence

perlocutionary

birth - 8 months, unintentional cries

ilotuction

8-12 m, intentional pointing and gesturing

locutionary

12 plus words for meaning

a 2 year old says goed instead of went, what morphological pattern is this?

• overgeneralization

at what age can a child answer “what if” questions

43-48 m

which semantic relation is demonstrated with “doggy sit”

agent action

a child calls all 4 legged animals doggy?

over generalization (shape bias)

which morphological marker emerges between 2-3 years?

present possessive ing