Being bilingual can help keep your brain in good condition

Steffanie Zazulak
A  silohuette of a side profile of a womans head inside her head space is a ocean sunset

Learning and understanding a new language is one of the most challenging things that your brain can do. But as well as the advantage of acquiring another language, it appears that the effort of giving your brain a good workout today by being bilingual could keep it in better condition in later life.

Research led by Dr. Daniela Perani, a professor of psychology at Vita-Salute San Raffaele University in Milan, found that people who speak two or more languages seem to weather the ravages of Alzheimer’s disease better compared to people who have only mastered one language. Alzheimer’s is a progressive mental deterioration that can begin in middle or old age due to generalized brain degeneration.

The study involved 85 people with Alzheimer’s – half of whom spoke both German and Italian and half who spoke only one language. The researchers found that bilingual patients had greater connectivity in key brain areas. This was especially in the part of the brain that governs “executive control” – a set of necessary behavioral cognitive processes that include problem-solving, working memory, reasoning and attentional control. The study also noted that the bilingual Alzheimer’s patients showed less severe symptoms of the disease.

The study concluded: “Our findings suggest that the effects of speaking two languages are more powerful than both age and education in providing a protection against cognitive decline.”

Bilingualism and the brain

Although Alzheimer’s disease is currently incurable, the study supports a popular theory that people who have higher levels of education function longer with little manifestation of the illness. Part of the reason why bilingual brains may be better at resisting Alzheimer’s could be due to a lifetime of switching between languages daily. 

Learning and speaking more than one language changes how the brain carries out tasks that require focus and concentration on a certain piece of information without being distracted. It can also increase the density of white matter (connections) in the brain, meaning that there are more connections between brain parts, thus making this part of the brain more resistant to degeneration.

This is supported by a study conducted by a team led by Professor Ana Inés Ansaldo at the University of Montreal, which suggests that bilingual people have more robust and more efficient brains compared to those who only speak one language. This is one of the reasons why a bilingual brain can be a buffer against aging and dementia.

They recruited elderly people, half of whom spoke only one language and the other half who had learned a second language between the ages of 11 and 18. All performed equally well on a task that involved focusing on an object's color while ignoring its position, but brain scans revealed a big difference in how they processed the task.

“While bilinguals were recruiting very specific brain areas and a small number of areas to perform the task, monolinguals were recruiting a much larger number of areas that were consuming much more resources. And the networks they were using were very, very complex,” says Professor Ansaldo. “That led us to think that the bilingual brain was more efficient in terms of the amount of resources that bilingual people require to do complex tasks as opposed to the monolingual brain.”

The study concludes that bilingualism shapes the brain in a different way or how people approach complex tasks. It could be because bilinguals must inhibit the language they are not using to focus on the one that they are using.

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    Devising long-term goals

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    Analyzing

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    • Traveling around Europe by train for a month ($1,000)
    • A weekend hiking and camping in the countryside ($200)
    • A weekend break in a big city, with shopping, sightseeing and museum trips ($500)
    • A week-long trip to the beach in an all-inclusive resort ($650)

    Anticipating consequences

    Students also need to have an awareness of the consequences of their actions; this is a skill which is transferable to making business decisions, as well as being important in their everyday lives.

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    Student A: If I don’t study for my English exam, I won’t pass.

    Student B: If I don’t pass my English exam, my parents won’t let me go out this weekend.

    Student C: If I can’t go out this weekend, I’ll miss the big football match.

    Student D: My coach won’t let me play next year if I miss the big match.

    Rearranging the class menu

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    By Anna Roslaniec

    Reading can transport students to new places, immerse them in incredible adventures and teach them more about the amazing world around them.

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    2. Summarizing

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    3. Identifying topic sentences

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    One idea to introduce students to the idea of topic sentences is to find a text with four or five paragraphs and remove the topic sentence from each.

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    This can be an effective task for both primary and secondary students, though it’s likely that primary students will be working with shorter texts. If you have a text with only three paragraphs, you can write a couple of distractor sentences to make the activity more challenging.

    4. Comparing and contrasting

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    • Do you think this is a problem in your country?
    • What would you do in this situation?

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