Speak more languages to delay dementia

A neurologist, a linguist and a cognitive science specialist came together in a city that speaks three languages to reveal an interesting phenomenon that could help prevent dementia.

According to a study carried out, speaking a second language could delay the occurrence of three types of dementia –Alzheimer’s, vascular and fronto-temporal - in later life, by about 4.5 years.

While a neurologist  researched the case-files of 648 dementia patients treated in the Clinic run by the institute’s Department of Neurology, a Professor of  linguistics department studied the use of languages in the city’s interactions.

The findings of the interdisciplinary study were recently published in the journal – Neurology.

The study shows that the brain constantly switching languages, through one’s lifetime, improves the attention and cognitive control and thus increases the cognitive reserve which protects the brain from developing dementia early.

The study’s hypothesis was drawn from evidence found in Canada that occurrence of dementia among the bilinguals was delayed. Many of these bilinguals were found to be immigrants.

“Unlike in the West, multilingualism has become a norm in India. This is a result of aspects like education in English, contact with other language speakers and government initiatives promoting local language.

And we use languages creatively mixing the words and framing new phrases. All this helps the brain be active instead of being passive at times that could lead to early loss of memory.

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