3/11 language development Flashcards
phonology
sounds
semantics
word meanings
syntax
rules for sentence structure
pragmatics
rules for communication
broca’s area
supports grammatical processing and language production
wernicke’s area
plays role in comprehending word meaning
phonemes
unique sounds that can be joined to create words
infant phonemes
born with ability to understand in any language
phonemes as babies grow
they will only notice the linguistic distinctions meaningful in their own language
cooing age
2 months
babbling age
6-9 months
baby signs age
6 months
joint attention
infants gaze in the same direction as adults
joint attention age
3-4 months
when do infants start to realize that a person’s gaze signals a connection between viewer and surroindings?
12 months
when do baby’s first words appear?
12-18 months
language specialization
goes from universal ability to communicate in the languages in the infant’s environment
language explosion
after about 50 words, they begin to learn a lot of vocabulary very quickly
underextension (language)
applying words too narrowly
overextension (language)
incorrect application of small label to larger class
expressing meaning (language)
after about 200 words, they start combining words
holophase
single word that expresses a thought
telegraphic speech
two word sentences that follow proper grammar
500-10,000 words age
6 years
fast-mapping
connecting new words with existing categories
logical-extension
using a new word to describe other objects in the same category
objects or verbs learned more easily?
objects are learned more easily than verbs
how do infants learn language?
operant conditioning (reinforcement and correction)
imitation (vocab input and help from parents’ skills)
5 month old given cochlear implant
typical infant babbling, resembles peers at 3-4 years
hearing not restored by age 2
remain behind in language development
hearing not restored by age 4
language delays are severe and persistent
when can infants distinguish between languages?
6 months
percentage of U.S. population that is bilingual
15-20%
code switching
hold both languages in same brain area but keep them separate
language-brokering
translating back and forth to allow communication, leads to higher executive functioning