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Why bilingualism strengthens your mental muscle - Futurity

Why bilingualism strengthens your mental muscle - Futurity | Bilingual Kids | Scoop.it

People who are able to speak two languages usually can do so seamlessly, a trait that likely develops a higher level of mental flexibility, researchers say.

“In the past, bilinguals were looked down upon,” says Judith F. Kroll, distinguished professor of psychology, linguistics and women’s studies at Penn State.

“Not only is bilingualism not bad for you, it may be really good. When you’re switching languages all the time it strengthens your mental muscle and your executive function becomes enhanced.”

Fluent bilinguals seem to have both languages active at all times, whether both languages are consciously being used or not—and both languages are active whether either was used only seconds or several days earlier.

Bilinguals rarely say a word in the unintended language, which suggests that they have the ability to control the parallel activity of both languages and ultimately select the intended language without needing to consciously think about it.

For a study published in Frontiers in Psychology, researchers conducted two separate but related experiments. In the first, 27 Spanish-English bilinguals read 512 sentences, written in either Spanish or English—alternating language every two sentences.

Participants read the sentences silently until they came across a word displayed in red, at which point they were instructed to read the red word out loud, as quickly and accurately as possible. About half of the red words were cognates—words that look and sound similar and have the same meaning in both languages.

“Cognate words were processed more quickly than control words,” says Jason W. Gullifer, a graduate student in psychology, suggesting that both languages are active at the same time.

Participants in the second experiment performed the same tasks as those in the first experiment, but this time were presented one language at a time. The second experiment’s results were similar to the first, suggesting that context does not influence word recognition.

“The context of the experiment didn’t seem to matter,” Gullifer says. “If you look at bilinguals there seems to be some kind of mechanistic control.”

The National Science Foundation and the National Institutes of Health supported this work.

 


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Why bilingualism strengthens your mental muscle - Futurity

Why bilingualism strengthens your mental muscle - Futurity | Bilingual Kids | Scoop.it

People who are able to speak two languages usually can do so seamlessly, a trait that likely develops a higher level of mental flexibility, researchers say.

“In the past, bilinguals were looked down upon,” says Judith F. Kroll, distinguished professor of psychology, linguistics and women’s studies at Penn State.

“Not only is bilingualism not bad for you, it may be really good. When you’re switching languages all the time it strengthens your mental muscle and your executive function becomes enhanced.”

Fluent bilinguals seem to have both languages active at all times, whether both languages are consciously being used or not—and both languages are active whether either was used only seconds or several days earlier.

Bilinguals rarely say a word in the unintended language, which suggests that they have the ability to control the parallel activity of both languages and ultimately select the intended language without needing to consciously think about it.

For a study published in Frontiers in Psychology, researchers conducted two separate but related experiments. In the first, 27 Spanish-English bilinguals read 512 sentences, written in either Spanish or English—alternating language every two sentences.

Participants read the sentences silently until they came across a word displayed in red, at which point they were instructed to read the red word out loud, as quickly and accurately as possible. About half of the red words were cognates—words that look and sound similar and have the same meaning in both languages.

“Cognate words were processed more quickly than control words,” says Jason W. Gullifer, a graduate student in psychology, suggesting that both languages are active at the same time.

Participants in the second experiment performed the same tasks as those in the first experiment, but this time were presented one language at a time. The second experiment’s results were similar to the first, suggesting that context does not influence word recognition.

“The context of the experiment didn’t seem to matter,” Gullifer says. “If you look at bilinguals there seems to be some kind of mechanistic control.”

The National Science Foundation and the National Institutes of Health supported this work.

 


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Cognitive benefit of lifelong bilingualism

Seniors who have spoken two languages since childhood are faster than single-language speakers at switching from one task to another, according to a study published in the January 9 issue of The Journal of Neuroscience. Compared to their monolingual peers, lifelong bilinguals also show different patterns of brain activity when making the switch, the study found.

 

The findings suggest the value of regular stimulating mental activity across the lifetime. As people age, cognitive flexibility -- the ability to adapt to unfamiliar or unexpected circumstances -- and related "executive" functions decline. Recent studies suggest lifelong bilingualism may reduce this decline -- a boost that may stem from the experience of constantly switching between languages. However, how brain activity differs between older bilinguals and monolinguals was previously unclear.

 

In the current study, Brian T. Gold, PhD, and colleagues at the University of Kentucky College of Medicine, used functional magnetic resonance imaging (fMRI) to compare the brain activity of healthy bilingual seniors (ages 60-68) with that of healthy monolingual seniors as they completed a task that tested their cognitive flexibility. The researchers found that both groups performed the task accurately. However, bilingual seniors were faster at completing the task than their monolingual peers despite expending less energy in the frontal cortex -- an area known to be involved in task switching.

 


Via Ashish Umre
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Fascinating insight into bilingualism and its impact on your life!

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