Central Executive Function Differences Between Diglossic Speakers And Mandarin Speakers

With the development of economic globalization and the world of immigration,bilingual phenomenon(that is, to master two languages system) is more and more become a common phenomenon. A large number of studies have indicated that the bilingual experience has important influence on the core function of the cognitive function, the central executive function.In our country, it is also very common to double the bilingual. The so — called diglossia refers to the individual to master two dialects(master common dual speaker of Mandarin and local dialect two pronunciation system).There is a clear difference between the diglossic and the bilingual. The main difference between the two performance in bilingual and diglossic speakers written language experience.Specifically, bilingual experience usually refers to the individual to master two sets of independent writing and pronunciation system, and our common diglossic speaker’s language experience includes two sets of pronunciation system, but only a writing system(Note: most of the dialect does not exist the written language. Therefore, these two prophets of written language is Mandarin). If the bilingual experience is conducive to the development of the central executive function, whether the diglossic experiences have the same effect?To investigate the effect of two language experience on cognitive function, it is helpful to understand the mechanism of bilingual experience in promoting cognitive function, that is to say, if the results of the research show that the diglossic experience can promote the central executive function, and explain the different pronunciation system rather than different written system of master and tone control is the key factor to promote the central executive function. At the same time, the phenomenon of dialect is very common in our country. If the results of the research show that it is beneficial to the development of the central executive function, it will be very important to the educational circles.Based on the above two reasons, this study to diglossic speaker and the single speakas subjects. The effects of the two in the central executive function of main index(working memory, inhibition of conflict, pay attention to the conversion and memory refresh) the difference, and further study in the double word effects are from a young age to middle age continues.Study 1 using single factor design, the article discusses college students group double experience for the influence of the central executive function. The study found that(1)diglossic experience for the attention of the central executive function transformation,working memory span and inhibit advantage has a promoting effect on the reaction,(2)diglossic experience for the central executive function of memory refresh function without significant role in promoting.Study 2 used single factor design, this paper discusses group of middle age people diglossic experience for the influence of the central executive function. The study found that(1) diglossic experience for the central executive function of working memory span and inhibit advantage has a promoting effect on the reaction,(2) diglossic experience for the transformation of the central executive function and memory refresh function without significant role in promoting,(3) diglossic experience for promoting the central executive function is long.Comprehensive the above results, three important conclusions of this study: A.diglossic experience can effectively promote the cognitive function of the central executive function, mainly manifested in the optimization of working memory span and conflict inhibition function. B. diglossic experience to promote the mechanism of the central executive function mainly depends on two different language pronunciation system control,rather than two written language systems. C. diglossic experience can optimize the effect of cognitive function lasts from youth to middle age.