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development_of_bilingualism [2013/12/14 09:39] (current)
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 +*  - Some studies show that children who are exposed to more than one language, develop phonetic categories of the languages they are exposed to at the same time.  They also have smaller vocabularies when compared to those who are monolingual,​ which can be seen at a high significant difference by age 10.   
 +  *     - Electroencephalogram recordings (electronic brain recordings) in 6 to 12-month-old infants show that infants raised in monolingual homes are able to discriminate between different phonetic sounds when spoken in both the language they were exposed to or a different language; but by 10 to 12 months, monolingual infants detect only sounds from the language that they heard in their home. Researchers call this '​neural development'​ (Stein, 2011). 
 +  *     - Bilingual infants (in contrast) do not detect differences in phonetic sounds in either language at age 6, but can discriminate sounds in both languages by age 12 (Stein, 2011). 
 +  *     - Newborn infants show a preference for rhythms and sounds heard prenatally. Babies born to bilingual mothers show a preference for both languages and can discriminate between them (Stein, 2011). 
 +  *     - Children raised in bilingual homes might have a slight delay in expressive language until the age of 2 years; they mix syntax and vocabulary of both languages. After 2 years, they can switch from one language to another, and their combined vocabulary meets expected milestones. Bilingual exposure facilitates early language development by wiring the brain to enhance learning in both languages (Stein, 2011).