Lexical & Semantic Development

megan langdon
Mind Map by megan langdon, updated more than 1 year ago
megan langdon
Created by megan langdon almost 5 years ago
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Description

Child language acquisition mind map about the early stages of development.

Resource summary

Lexical & Semantic Development
1 Lexical development
1.1 Child's acquisition of words
2 Semantic development
2.1 Child's acquisition of meanings associated w/ those words
3 REMEMBER
3.1 Vocab acquisition does NOT end at certain age
3.2 We cont hearing & learning new words throughout life
4 Rate of acquisition
4.1 End of 1st yr
4.1.1 Child begins to speak
4.2 18 months
4.2.1 Vocab of about 50 words
4.3 2 yrs
4.3.1 Vocab of about 200 words
4.4 5 yrs
4.4.1 Vocab about 2,000 words
4.5 7 yrs
4.5.1 Vocab about 4,000 words
5 Understanding
5.1 Prev figures refer to word use
5.2 At each stage, no of words understood by child is expected to be higher
5.3 18 months - 250 words understood
6 Meanings
6.1 When a child adds new word to vocab, they are NOT immediately aware of its full range of meanings
6.2 More time required to acquire this additional knowledge
7 First words
7.1 Research has shown there are predictable patterns in the words & word classes first acquired by children
7.2 Entities
7.3 Properties
7.4 Actions
7.5 Personal - social
7.6 Predictably a large proportion of child's 1st words refer to familiar people, objects & aspects of social interaction
8 Word classes
8.1 Nouns
8.2 Verbs
8.3 Adjectives
8.4 Concrete nouns
8.5 5 - 7 yrs
8.5.1 Abstract nouns begin to be used
8.6 Grammatical function words
8.6.1 Noticeably absent in early stages of lexical acquisition
9 Under - Extension
9.1 Common semantic error made by children
9.2 Word is given a narrower (under extended) meaning
9.3 'Cat' is family pet but NOT other cats
10 Over - Extension
10.1 Another common semantic error
10.2 Opposite of under - extension
10.3 Word is given a broader (more gen) meaning
10.4 'Daddy' for all men not just daddy
10.5 More common then under - extension
10.6 50 word vocab
10.6.1 1/3 likely to be over - extended
11 Getting it right
11.1 Age 2 1/2
11.1.1 Marked decrease in no of over - extensions
11.2 Explanation
11.2.1 Child's vocab
12 Understanding
12.1 Remember
12.1.1 Children's understanding of word meanings is ahead of ability to produce corresponding words
13 Aitchinson (1987)
13.1 3 stages / processes occur during acquisition of vocab
13.1.1 Labelling
13.1.2 Packaging
13.1.3 Network building
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