How bilingualism sharpens human brain? CPS student Karakat Kabay
Outline • Introduction • Bilingualism • How it benefite to human brain (executive function) -Inhibition& Selection -Multitasking& Shifting • Delay on set of dementia • Conclusion
Biligual mind Selection Conflict L 1 L 2 Conflict enhance Executive Control System
Benefit of bilingualism to brain function Enhance Executive Control System (a command system that handle conflict) 1 Inhibition& Selection 2 Multitasking& Shifting 3 Memory
Inhibition& Selection v Bilingualism improve concentrstion to focus on important information and ignore the less important
Multitasking & Shifting • Bilingual perform better at driving simulator multitasking task. (Bialystok, 2009)
Shifting task for preschoolers • Sort by shape. Monolinguals and bilinguals permormed the same • Sort by color. Bilinguals were quicker at performing this task. (Bialystok, 2004)
Bilingualism delays age at onset of dementia, independent of education
Case records of 648 patients with dementia in Hyderabad, India. • 391 of them are bilingual • 257 of them are monolingual (Alladi et. al. , 2013) Picture 1. Bialystok, Craik, Freeman, 2007
Conclusion • • excutive control system concentration multitasking skills delay the onset of dementia
Reference list • • • Alladi, Suvarna. , Bak, Thomas H. , Duggirala, Vasanta. , Surampudi, Bapiraju. , Shailaja, Mekala. , Shukla, Anuj Kumar. , Chaudhuri, Jaydip Ray. , and Kaul Subhash. 2013. "Bilingualism delays age at onset of dementia, independent of education and immigration status. " Neurology 7: 1938 -1944. doi: 10. 1212/01. wnl. 0000436620. 33155. a 4 Bialystok, Ellen. , Craik, Fergus I. M. , Green, David W. , and Gollan, Tamar H. 2009. "Bilingual Minds. "Psychological Science in the Public Interest 10(3): 89 -129. Accessed March 26, 2014. http: //psi. sagepub. com/content/10/3/89 Diamond, Jared. 2010. "The Benefits of Multilingualism. " Science 330(6002): 332 -333. Accessed March 25, 2014. http: //www. sciencemag. org/content/330/6002/332 Dreifus, Claudia. 2011. "The Bilingual Advantage. " The New York Times. Accessed March 25, 2014. http: //www. nytimes. com/2011/05/31/science/31 conversation. html? partner=rss&emc =rss&_r=0 Jonel, Aleccia. 2013. "Speaking a second language delays dementias, even in the illiterate, study finds. " NBC News, November 7. Accessed March 26, 2014. http: //www. nbcnews. com/health/aging/speaking-second-language-delays-dementiaseven-illiterate-study-finds-f 8 C 11544770 Painter, Kim. 2013. "Speaking more than one language may delay dementia. "USA Today, November 7. Accessed March 26, 2014. http: //www. usatoday. com/story/tech/2013/11/06/language-bilingualdementia/3452549/
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