language development and linguistic diversity power point

7/30/2019 Language Development and Linguistic Diversity Power Point

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Language Development and

Linguistic Diversity

Kathryn Oswood, Linda Jodock,

Star Miller


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Personal Outcome

To understand how children learn

language

To investigate the positive and negativeimpacts of second-language learning

To better serve students with language

disorders


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Biological FoundationsLanguage is predominantly associated with the left

hemisphere of the brain. Wernickes Area

Affects comprehension in speech that is heard and text that isread.

Brocas Area

Affects the production of language through speaking or writing.

Individual differences in language ability are due togenetics.

Critical Periods for Language Development

Lenneberg proposed that language must be acquired beforeadolescence.

Speed of Acquisition Relative to the Amount of Inputfor Language Development Children acquire language with little intervention


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http://www.peas-ink.com/images/language_lesions.jpg


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Language Acquisition

Comprehension and production of language

involves a variety of skills.

Speech Perception

Speech Production and PhonologicalDevelopment

Lexical Development

Semantic Development

Grammatical and Syntactical Development

Pragmatic Development

Metalinguistic Development


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http://www.rhsmpsychology.com/images/language_brain.jpg


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Prelinguistic Development

Speech Perception

Phonemes

See Table 7.1 for vowel and consonant

phonemes in English

Speech Production

Babbling


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Prelinguistic Development:

Speech Perception and Production


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Phonological Impairment


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Language Development:

Deafness


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Referential Style One-word utterances that refer to objects

Expressive Style

One-word expressions of emotion, feeling,and action

Vocabulary Growth

Fast Mapping

A child understands a word in one exposure Extended Mapping

A child understands a word after multipleexposures


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Syntactic DevelopmentMorphemes Small units of language that convey

meaning. Unbound morphemes

Words that can stand alone Dog, fire, tractor

Bound morphemes Cannot stand alone

Prefixes, suffixes

MLU Mean Length of Utterance The length of a childs utterances calculated in

morphemes. See Figure 7.2, page 196


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Syntactic Development

Stage 1 Telegraphic Speech

Doggie run

Stage 2

Overregularization goed instead of went

Stage 3 Use of negatives

I not eating

Stage 4 and 5 Compound and complex sentences and passive

constructions

The teddy and the doll are going to play.

You betternt do that.


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The ability to understand theperspective of others contributes to the

ability to communicate with others in

dialogue.


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Metalinguistic Awareness

Metasyntax

Discrimination of syntactically correct sentences

from incorrect ones

Metalexical / Metasemantic Understanding the nature of a word

Metaphonological

Awareness that words are composed of separable

sounds

Alphabetic Principle

Understanding that letters represent sounds


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Metalinguistic Awareness


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Bilingualism and Cognitive

Development


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Nature and Effects on

Bilinguals


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Social Consequences of

Education


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Effective Classroom Practices


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Cognitive Differences in Deaf and

Hearing-Normal Individuals


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Connection to Learning Theory:

Stages versus Continuous Development


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Nature versus Nurture


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Lasting versus Transient

Lack of exposure to language of anykind, oral or sign, will negatively impact

language development. Early exposure

is essential.


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Conclusions


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Recommendations: Speech

and Language Pathologist


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Recommendations: ELL


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Recommendations for Further

Reading


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References

http://www.rhsmpsychology.com/images

/language_brain.jpg
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language development and linguistic diversity power point

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