Lexical development Flashcards

1
Q

Naom Chomsky

A
  • Nativism
  • we are predisposed to acquire language
  • we have a Language Acquisition Device (LAD)
  • this is the reason there is a global capacity of children to learn language at the same rate = Universal Grammar
  • reason for virtuous errors (runned, sheeps): children make their own language through their own logic rather than what they have observed entirely through adults
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2
Q

Stephen Pinker

A
  • Nativism
  • developed on Chomsky’s theory
  • furthers the theory saying language acquisition is a human instinct and we have a natural urge to learn, rather than a biological switch in our brain
  • lang develops in a child spontaneously without effort / instruction
  • babbling = practicing
  • suggests language is caused by dedicated circuitry that evolves In the human brain (mother board of connections)
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3
Q

Criticisms of Nativism

A
  • undermines role and influence of care givers
  • critical period hypothesis: abused children often don’t fully develop syntax and grammar, children must be exposed to language by a certain age (Genie case)
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4
Q

Tomasello

A
  • cognitive-linguistic approach
  • rejected Chomsky’s Universal Grammar
  • we have a need to cooperate and communicate
  • not a biological thing, just a desire to be social
  • e.g. we learn to do things like run because we want to experience it
  • acknowledges the importance of caregivers and ranges of contexts
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5
Q

Jean Piaget: Constructivism

A
  • Constructivism
  • Early Tomasello
  • comes from the desire to communicate
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6
Q

Jean Piaget: Constructivism Stages

A

Sensorimotor stage:

  • 0-2 years
  • egocentric
  • some awareness of object permanence

Pre-operational stage:

  • 2-6/7 years
  • most important to what might be on the transcript in exam!!
  • become capable of representing the word symbolically
  • child remains egocentric
  • begin to question more

Concrete operational:

  • 6/7-11/12 years
  • stops being as egocentric
  • can notice patterns more
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7
Q

Lee Vygotsky

A
  • social constructivism
  • children are active in the creation of their own knowledge
  • focused on role of caregiver
  • zone of proximal development: the area between what a child can do and what is beyond their reach, where a caregiver offers support to facilitate learning
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8
Q

Lee Vygotsky: constructivism Stages

A

Primitive speech stage:

  • 0-2 years
  • begins to learn to speak through imitation
  • responds emotionally and socially (laughing and crying)

Naive psychological stage:

  • 2-4 years
  • realize words are symbols for objects: curious

Egocentric speech stage:

  • 4-7 years
  • talk aloud to themselves as they do tasks / solve problems (private speech)

In-growth speech stage:

  • 8+ years
  • private speech declines and becomes more internalised (inner speech)
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9
Q

Jerome Bruner

A
  • Interactionism
  • rejected Chomsky’s LAD
  • focused on the importance of caregivers
  • suggested Language Acquisition Support System (LASS)
  • caregivers provide opportunities for children to acquire
  • focused on child-directed (CDS) speech and scaffolding (support provided by caregivers through modelling how speech ought to take place
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10
Q

CDS: Expansion

A

where the caregiver elaborates on an utterance given by the child

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11
Q

CDS: Recasts

A

where the caregiver repeats a child’s utterance but corrects it slightly

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12
Q

CDS: mitigated response

A
  • where a command is given but disguised in the form of a question
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13
Q

CDS:diminutives

A

doggie, mummy, horsie

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14
Q

other features of CDS:

A
  • high / melodic pitch
  • more frequent / longer pauses
  • slower clearer speech
  • repetition
  • more questions
  • using nouns rather than pronouns
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15
Q

Catherine Snow, 1970

A
  • Parentese

- describes the way parents adapt their speech when interacting with children

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16
Q

Stage 1: pre-birth stage

A
  • even before born the baby will recognize mother’s voice
17
Q

Stage 2: pre-verbal stage

A
  • vegetative / crying: 0-4 months
  • cooing: 2-6 months
  • babbling: 6-12 months
  • proto-words (word-like vocalisations): 9-12 months
18
Q

Reduplicated babbling

A
  • simpler
  • appears first
  • child repeats sounds
  • bababababa
19
Q

Variegated babbling

A
  • slightly later
  • involves variation in the consonant and vowel sounds
  • e.g. daba, manamoo
20
Q

Stage 3: Holophrastic stage

A
  • 12-18 months
  • begin to utter first complete words
  • use one word in substitution to an entire sentence
  • usually concrete nouns
  • rely on paralinguistic features (facial expressions, gestures, noises)
  • gestalt expressions: allgone, wassat?
21
Q

Stage 4: Two-word stage

A
  • 18 months
  • two words together
  • e.g. mummy sit
  • non-verbal communication decreases
  • begin understanding grammar
  • Pivot schema (Braine 1963)
22
Q

Braine, 1963: Pivot Schema

A
  • at two-word stage, they use patterns of two word utterances that revolve around pivot words
  • pivot words (high frequency) combined with slots (low frequency) to create meaning
  • ‘allgone’ = ‘allgone doggy’, ‘allgone dinner’, ‘allgone daddy’
23
Q

Stage 5: telegraphic stage

A
  • around 2 years
  • similar ot telegram
  • longer than two words but includes only big key content words
  • lack of articles or prepositions
  • e.g. ‘me go park’
24
Q

Stage 6: post-telegraphic stage

A
  • 3-4 years

- becomes similar to adult speech

25
Q

Lexical development

A
  • learn 10 new words a day
  • 18 months: 50 word vocab
  • 24 months: 200 word vocab
  • 36 months: 2,000 word vocab
26
Q

Katherine Nelson, 1973

A
  • placed children’s early words into four catagories:
  • naming
  • action
  • social
  • modifying
  • found largest catagory was naming words
  • 60% of a childs first 50 words were nouns