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Flashcards in Child Language Accquisition Deck (20):
1

Lennenberg's Criteria for Language Acquisition

-Biologically-Determined Behaviour (BDB) is attributed to instincts

-Genes are programmed

-Biological innateness of psychological capacity

-Development is universal

-Language does not develop through learning

-Consistent, predictable steps / milestones

2

BDB Schedule

-Developments may occur early

-Steps / milestones

-Must develop during critical period, or not at all

3

Does language really emerge before necessary?

5 Year olds have nearly complete understanding of their language, save vocab. This ability exceeds their needs.

4

Critical Period

-Behaviour emerges at critical periods, according to Lenneberg

-If an external stimulus is needed, it must not come too early or too late

5

Critical Period Hypothesis (CPH)

Native acquisition of a language is only possible before puberty

6

Evidence of CPH

-First language completely mastered by puberty, save vocab

-Feral children (Genie) never acquiring language "properly"

7

Peter the Wild Boy

-Found at 12 in the woods in Germany

-Was never able to speak

8

Victor

-Found alone in a forest around age 11 in France

-Learned only simple words

9

Genie

-Found in L.A at 13.5 years old

-Confined in closet tied to potty-chair

-Punished for making noise

-Successful vocab acquisition, no grammar structure

10

Isabelle

-Similar background to Genie, found at 6.5

-Fairly ok language acquisition, struggles with grammar

11

Feral Children may provide evidence for:

-critical periods of language

or

-wild animals / psychotic parents are not conductive to normal linguistic development

12

Forbidden Experiment

-Intentionally deprive children of linguistic experience

-Rest of environment is normal

13

Lennebergs Criteria for Instincts

-Everyone develops instinctive behaviour

-Emerges without knowing

-Emerges regardless of deficits in environmentl or development

14

Does everyone acquire language?

Yes:

-Every community has language

-Language can be swapper

-No primitive language

15

Williams Syndrome

-Deletion of segment within 7th chromosome

-Friendly, fond of music, excellent language ability

16

Universal Stages in Child Language Acquisition

1. Pre-speech

2. Babbling

3. One-word (holophrastic) stage

4. Combining stage

17

Pre-Speech

-First stage of CLA

-Begins before birth

-Accustomed to "soundscape" of language

18

Babbling

-Second stage of CLA

-Random usage of speech organs

19

One-word (Holophrastic)

-Third stage of CLA

-First words

-Usage of sound to convey meaning

20

Combining stage

-Fourth stage of CLA

-Syntax

-Basic knowledge of native language by 5 / 6