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身处日益全球化的世界,能够说双语而不只是一种语言,显然会有实际的好处。但近几年来,科学家已经开始证明,双语者除了可以和更大范围的人交谈之外,还有更根本的优势。事实证明,掌握双语让人更加聪明,它可能对大脑发育产生深远影响,比如提高与语言无关联的某些认知技能,甚至防止老年痴呆。这种观点与20世纪大部分时间里人们对双语能力的理解明显不同。研究人员、教育工作者和决策者长久以来一直认为,就认知而言,第二语言是一种干扰,阻碍孩子的学业和智力发展。
Living in an increasingly globalized world, it is clear that there are practical benefits to being bilingual rather than just a single language. But in recent years, scientists have begun to prove that bilinguals have more fundamental advantages than talking to a wider audience. It turns out that mastery of bilingualism makes people smarter, and it can have far-reaching effects on brain development, such as improving certain cognitive skills that are not language-related and even preventing Alzheimer’s disease. This view differs significantly from the understanding of bilingualism most of the twentieth century. Researchers, educators and policymakers have long believed that second language, in terms of cognition, is a disruption that hinders children’s academic and intellectual development.