The Bilingual Brain

Июль 23, 2022

Содержание

2. Background Information 38% of total student population are English language learners Numbers are going up every
3. Background Information Cont. U.S. Department of Labor, 1993: 3-5 years to acquire English needed for social
4. Neurobiology PET scans were used to measure brain activity in bilingual brains People who grew up
5. Neurobiology Broca’s Area
6. Neurobiology Wernicke’s Area
7. Neurobiology Bilingual children are found to have better abilities to block out misleading information It is
8. Neurobiology The brain of the bilingual is thought to to work harder to differentiate between the
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Background Information
38% of total student population are English language learners
Numbers are

going up every year
“sink or swim” or ESL classes
ELL students are categorized as “at risk”
Lower expectations and quality of education

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Background Information Cont.
U.S. Department of Labor, 1993:
3-5 years to acquire

English needed for social settings
4-7 years to attain grade norms in “academic” English
Video

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Neurobiology
PET scans were used to measure brain activity in bilingual brains
People

who grew up bilingual had brain activity in the same area of the Broca’s area.
People who learned a second language later in life activity was found in two separate parts of the Broca’s area.
Wernicke’s Area stores the ability to understand and process information for both early and late bilinguals.

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Neurobiology Broca’s Area

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Neurobiology Wernicke’s Area

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Neurobiology
Bilingual children are found to have better abilities to block out

misleading information
It is believed that this is due to the bilingual child’s early use of executive functions, which is located in the prefrontal cortex

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