Bilingual Advantage Effects Of Bilinguals With Different Proficiency In The Condition Of Inhibition And Facilitation

With the development of economic globalization,the ties between various countries are being strengthened,and the number of bilinguals in both languages is gradually increasing.With the emphasis on bilingual experience,in the field of psychology,researchers have begun to pay attention to the advantages of learning L2 in other aspects.Studies have examined the cognitive advantages of bilinguals such as task switching,interference suppression and other abilities,confirming the existence of bilingual cognitive advantage effect,but there is unknow about the intrinsic mechanism of the bilingual advantage effect.On the basis of bilingual language production,Green(1998)proposed that the bilinguals’ ability to better control is the intrinsic mechanism of bilingual advantage effect.However,a few studies have found that bilinguals’ better ability of cognitive control not only exists in the conflict condition,but also in consistent conditions.For this discovery,the researchers did not come to a unified result and a definite conclusion.Therefore,based on the researches,this study further examines the bilingual advantage effect in the conditions of inhibition and facilitation in bilinguals with different proficiency levels.In this study,Uygur college students whose native language is Uyghur and whose second language is Chinese are selected.According to their proficiency in second language,74 proficient Uighur and Chinese bilinguals and 62 non-proficient Uygur and Chinese bilinguals are selected.In experiment 1,experiment 2 and experiment 3,Stroop paradigm,Simon paradigm and RSVP paradigm were respectively used to examine the bilingual advantage effects of different proficiency bilinguals under inhibition and facilitation conditions.The results showed that the Stroop and Simon effects of proficient bilinguals were significantly lower than those of non-proficient bilinguals in the Stroop task and the Simon task,indicating that the proficiency of bilinguals was stronger than that of non-proficient bilinguals.The facilitative effect of proficient bilinguals is also greater than that of non-proficient bilinguals,indicating that proficient bilinguals respond significantly faster than non-proficient bilinguals under facilitated conditions.In order to more purely examine the bilingual advantage effect under facilitation conditions,the RSVP task results were used in Experiment 3.It was found that the proficient bilinguals responded faster and the error rate was lower on T2 than non-proficient bilinguals.Based on the results of the three experiments,the following conclusions are obtained:(1)Proficient bilinguals have bilingual advantage compared with non-proficient bilinguals under interference inhibition.(2)Compared with non-proficient bilinguals,proficient bilinguals have better response inhibition ability under the condition of reaction inhibition.(3)Bilingual advantage effect may also exist in the condition of facilitation.