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  • Title: The contributions of language control to executive functions: From the perspective of bilingual comprehension.
    Author: Jiao L, Liu C, Liang L, Plummer P, Perfetti CA, Chen B.
    Journal: Q J Exp Psychol (Hove); 2019 Aug; 72(8):1984-1997. PubMed ID: 30658552.
    Abstract:
    Previous studies have suggested that bilingual production experience has beneficial effects on executive functions. In the current study, four experiments were conducted to investigate whether bilingual comprehension experience influences executive functions. In Experiments 1 and 2, Chinese-English bilinguals completed a flanker task interleaved with a language comprehension task (reading comprehension in Experiment 1 and listening comprehension in Experiment 2). There were three blocks distinguished by language context, with a Chinese (L1) block, an English (L2) block, and a mixed (L1 and L2) block. Results showed that performance in the mixed block was better on both congruent and incongruent flanker trials when compared with the L1 and L2 blocks, indicating better monitoring functions overall. In Experiments 3 and 4 (reading comprehension and listening comprehension, respectively), participants were also exposed to three language contexts (i.e., L1, L2, and mixed block) but performed a non-conflict control task that did not require any conflict resolution. The results of Experiments 3 and 4 showed similar performance under the three different language contexts. Taken together, these results indicate that language control mechanisms involved in bilingual comprehension contribute to domain-general executive control performance. The results suggest a monitoring mechanism establishes a bridge connecting executive functions and bilingual language control during comprehension.
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