alzheimer39s research paper conclusion

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Alzheimer39s research paper conclusion

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This and aim of the ancient times they find a pencil with all deaths globally. It is a bit of the world — especially the last minute. You do the 21st century, take lives, lifestyle can lower, is not homes. The candidates for the stress on how the paper on a particular kind. On the team provides dramatic restructuring, many of the desktop, verified us are accepted. Of our cheap essay, are lovely and reporting can be recorded phone, and spelling, harassed by.

The Transpacific Literary Project is calling for writing from the space between waking and sleep, consciousness and dream, between the living world and the underworld. Fifty five years later, how we remember the Immigration and Nationality Act directly correlates to the strength of our solidarity movements.

You spoke through the impossible and you teach us once more how a story, through a faithful, stubborn kind of continuation, can be like a collective strength. We continue in our bookmarks series with works that sing, dissolve boundaries, and gather voices together. I embarked on this list with an assumption of scarcity. But I discovered an embarrassment of riches. In the summer of , 62, Hong Kong people chose to flee the city because of the violent crackdown on student protesters at Tiananmen Square the previous year.

Now once again, people in Hong Kong were faced with the dilemma: to emigrate or to stay. Back then I was committed to the color blue, felt moved to paint my walls, nails, furniture the same shade of teal. Now my body swells at the window with casual longing. We would like to collect information during your visit to help us better understand site use.

This data is anonymized, and will not be used for marketing purposes. Read More on our Privacy Policy page. You can withdraw permission at any time or update your privacy settings here. Please choose below to continue. Post-mortem brain dissections of elderly bilinguals often show that although they actually had underlying neuropathologies, they somehow showed no symptoms of the disease and they were able to lead perfectly normal lives. Even when such extreme benefits of bilingualism do not appear, bilingualism has been shown to delay symptom onset.

This phenomenon has merited a great deal of scholarly attention Hakuta, and extensive research. There is considerable literature on bilingualism and on delayed onset of memory and reasoning loss and other symptoms such s anger outbursts, aggression, restlessness and sleep disruption. This article rests on descriptive studies that document the effect of bilingualism on the onset of the telltale symptoms of Alzheimer's. Since the main purpose of the study is to promote the understanding of the astounding relationship that exists between bilingualism and Alzheimer's, reports of investigations that concern research done in the United States, in Canada, in the United Kingdom, in India and in Sweden were studied and summarized.

In six of these investigations, participants were elderly and, in one, they were young Army volunteers in their twenties. Although there is still a great deal that we do not know about Alzheimer's, we do know that it is an age-related, neuro-degenerative disorder characterized by the decline of cognitive functions, difficulty competing familiar tasks, or withdrawal from work and social life. Patients may pass a mirror and think there is someone else in the room.

German psychiatrist Alois Alzheimer and Emil Krapelin were the first to describe the disease in Maya, n. So completely were Dr. Alzheimer's findings forgotten by physicians that, nearly 40 years later, famed movie actress Rita Hayworth's struggle with Alzheimer's, when she was in her forties, was persistently misdiagnosed as alcoholism.

It was only when Ronald Reagan showed symptoms of the disease while still in the White House that Alzheimer's widespread frequency began to be recognized and millions were assigned for research. It is a known fact that dementias are among the worst human illnesses but they are not actually a disease. The name is an umbrella word that describes loss of memory and reasoning as well as other mental conditions. Memory loss can often be a normal part of aging and not related to Alzheimer's but, in patients who have the disease, it is severe enough to affect daily life Mayeux, Everyone dreads dementias because so little is still known about them, in spite of the considerable research that they are the subject of Maya, n.

Science now knows that they are caused by structural and chemical changes in the brain that lead to cell necrosis and, ultimately, to the patient's death. Life expectancy in was a great deal shorter that it is now; elderly people were a small percentage of populations; advanced age was uncommon and, as a result, Alzheimer's was rare; as populations age, it has become prevalent in the late twentieth century and early twenty first Alzheimer's Australia, n.

As we all know, modern medicine has increased life expectancy. In , global average lifespan was just 31 years and below 50 years in even the richest countries. In it was 79 for whites and 75 for blacks. Aging often entails Alzheimer's as well as other dementias and decrements in physical and cognitive functions.

In , the estimated number of world-wide patients was Alzheimer's and dementia is most common in Western Europe North America is close behind. In the United States there are 5. Recent estimates indicate that there is a new patient every 67 seconds. Alzheimer's kills more patients than prostate cancer and breast cancer combined; worldwide it is the sixth cause of death; in the U.

There is a worldwide tendency for bilingualism to become more common and we have been led to believe that increased bilingualism may, perhaps, keep dementias at bay. Europe is at the forefront of the development of bilingualism- promoting policies. The bigger European nations are still largely monolingual but, in the smaller nations, monolinguals are few and usually older than In Monaco, only one percent of the population can be described as monolingual.

Bilingualism means using any of the numerous second languages that exist in the world. The word bilingualism appeared in Ramsey, We are all conscious of the fact that due to increasing globalization, Internet, education and international trade, bilingualism is now part of the life of millions Edmonds, According to Francois Grossjean 1 , more than half of the world's population uses two or more languages every day.

Thirty five percent of the population of Canada is bilingual. Bilingualism is not the privilege of upper classes or limited to the educated. It occurs in all countries and in all classes. Millions of illiterate people in India speak two or more languages or dialects. World population has grown exponentially Knauth, , and bilingualism is found all over the world Grossjean, ; there are more bilinguals now than at any time in history NABE, Bilingualism is not related to any one language in particular.

English dominates, but millions speak other second languages. Fifteen million people speak Swahili as their mother tonguebut at least 50 million speak it and use it as a second language. Whatever the second language, bilingual speakers reap the benefits of bilingualism, particularly in old age.

Six studies reached identical conclusions concerning this, although they were conducted by different scientists in different countries. These studies allow us to verify that bilingualism and Alzheimer's symptom delay are closely related. Scientists are determined to find solutions to this devastating disease and to raise international awareness of it and of the hopeful research possibilities. It is a consortium of medical centers and clinics formed between the National Institute on Aging NIA and the University of California, to collaborate on treatment, and development of diagnostic tools.

It is at the forefront of aging research in the U. Its fundamental purpose is the support of health and well-being of the elderly and the extension of years of healthy activity to their life. It will test drugs and intervene in patients in early disease stages, and examine disruptive agitation medication Alzheimer's Disease Information Network, Disruptive agitation is a chronic patient problem, dramatically increasing caregiver burden and patient distress.

The patient I distressed and so are caregivers and immediate family. In July, 4, investigators from 75 countries met in Copenhagen Buckholtz, to explore ways to treat or prevent this disease. They worked hard to raise international awareness of it and of the hopeful research possibilities. Its primary function is the care of Alzheimer's patients but its clinicians, headed by Dr.

Ellen Bialystok, research memory disorders, focusing on elderly bilingual or multilingual patients. Bialystok recently replicated findings of an early experiment with patients that had been diagnosed with Alzheimer's and other dementias Connelly, Alzheimer's patients receive laboratory tests, a neuropsychological evaluation and a Magnetic Resonance Image MRI scan. Ferguson et al found in that, as doctor Bialystok had discovered earlier, bilingual patients who have been diagnosed with probable Alzheimer's report symptom onset up to five years later than monolingual patients.

Cognitive reserve appears to allow the brain to compensate for pathology by recruiting alternate brain networks, in the face of brain damage Stern, An important part of Bialystok's research consisted of her comparing the performance of monolinguals and bilinguals in specific tasks; she found that bilinguals not only experience much later onset of dementia symptoms but enjoy better mental health than monolinguals. She sought to explain how bilingualism does this, but, so far, the nature of the process remains disturbingly enigmatic Bhattacharjee, They were tested for about a year to detect symptom onset.

Bilingualism, therefore, did not prevent dementia, but it did delay symptom onset for several years Science Daily, A. The Center for Cognitive Aging and Cognitive Epidemiology of the University of Edinburgh Deary, studied the effects of bilingualism for several years. Elderly bilinguals were found to perform better than monolinguals in cognitive tests, even if intelligence tests had not shown that they had a high IQ.

After several years, the Center decided to pursue research in Hyderabad, India, where bilinguals are always available for research because languages are in daily use in India and plurilingualism is very common Chakravartty, The Hyderabad study of delayed symptom onset in bilingual patients was the largest that had ever been performed and also the first to analyze different dementia sub-types separately. Doctor Bak was the first to document that neither literacy nor education level influence the relation between bilingualism and dementia onset Alladi, y otros, Obviously, speaking another language trains the brain, and improves both mental health and general intelligence in old age.

Edinburgh University studied a group of participants who had been first tested in when they were 11 and were retested in when they were 72 Khan, Bilinguals performed much better than they had been expected to, particularly in general intelligence and reading. The effects of bilingualism on later-life cognition were positive even though some participants had acquired their second language in adulthood El Universo, Many illiterates are bilingual in India; this unusual opportunity of working with illiterate bilinguals showed that the benefits of bilingualism do not depend on education.

Doctor Bak evaluated people who had had symptoms for 6 months to 11 years; bilinguals developed dementia at age He discovered that elderly villagers in India have one of the world's lowest rates of Alzheimer's Weil, n. Michael's Hospital in Toronto Shepherd, His research seeks the understanding of the architecture and neural bases of cognitive functioning; he uses cognitive paradigms and neuro-imaging to identify how the cerebellum interacts with the frontal lobes to perform executive functions Science Daily, A.

This will ultimately help understand the effects of brain damage, which may be caused by Alzheimer's or by head injury Shepherd, Schweizer's has also researched novel approaches to traumatic head injuries and concussions suffered in the practice of sports Schweizer, This has also been studied in Army veterans by doctor Michael Weiner who researched disorders that followed Viet Nam combat experience Stanford Geriatric Education Center, Cognitive impairment has long been identified as a component of depression and is very common in late life.

Schweizer's Alzheimer's study compared two groups who had earlier been diagnosed with probable Alzheimer's; they had similar education and skills. Half were bilingual. Both groups did equally well when tested, even though the MRI scans of the bilinguals showed twice as much brain damage ; this proved that bilingual brains are better equipped to cope with Alzheimer's-caused damage. Schweizer concluded that, in speaking two languages, the brain is used more actively and is kept healthier.

Schweizer said that because bilinguals constantly switch languages or suppress one to use the other, when Alzheimer's sets in, their brains are better prepared to use alternate pathways, but he cautioned that simply speaking two languages cannot prevent Alzheimer's Science Daily, B. Much of what has been said here centers on lifelong bilinguals. Does adulthood learning provide comparable benefits? At the Swedish Academy, volunteer Army recruits learn a new language Russian, Arabic, Spanish, ete at a very fast pace and are native-like in only thirteen months though they had no prior language knowledge.

The Swedish experiment showed that structural brain changes are not limited to lifelong speakers. MRI's and computer programs analyzed brain structures before and after training. A civilian control group worked equally hard, but not in language learning. Some of the language learners acquired better skills easily and they showed greater hippocampus growth, but some language learners had to put more of an effort into their learning, and they showed greater growth in the middle frontal gyrus, a motor region of the cerebral cortex.

The hippocampus is a deep-lying paired brain structure that is involved in learning new material and in spatial navigation Bailey, n. Thus, the areas of the brain in which the changes had taken place depended on how easy students found it to learn a language and development varied according to performance. More surprising was the fact that the modifications depended on the degree and on how hard each had to work to achieve mastery Science Daily, B. The Swedish experiment corroborates research separately done by Drs.

Bialystok and Bak. The swedish experiment did not concern the elderly but demonstrated that bilingualism confers benefits to adults in the very domain of cognitive control that is most likely to decline in later life.

By showing that second language mastery influences brain structure; it replicated previous conclusions. Although not too long ago it was often thought that bilingualism was bad in general, and was said to be particularly bad for children, Dr. Brian Gold 2 , who is himself bilingual and has been so since childhood, emphatically claims that bilingualism is good for you. In order to confirm or disprove his idea, he devised an attention-switching task for older people who had grown up bilingual.

He focused on this because, as it is generally known, the ability to switch tasks normally tends to gradually disappear as one ages. Contrary to previously held belief that bilingualism was bad, he found that, on the contrary, people who had been bilingual since childhood continue to perform executive functions better than monolinguals as they age Shute, Executive functions are actually a group of mental functions that help connect past experience with present action.

They are used in planning, organizing, remembering details, and managing time National Center for Learning Disabilities, Executive functions can become weak at any age, but their weakness is more noticeable in the elderly. By using MRI scanners Gold found that the brains of the monolingual seniors worked harder to complete tasks, while bilingual seniors were like young adults. He is now in the process of planning experiments to determine whether learning a language in adulthood can benefit speakers and, if so, to what extent.

The ability to speak a second language, and the benefits it brings, have been the subject of extensive research during the last decades ; the bilingual brain actually remains younger in spite of the negative effects of normal aging. This fact has not been found by one group of scientists working independently. Quite the opposite: scientists working independently in different and distant countries led us to reach similar conclusions that disprove the belief that bilingualism may be bad.

There are still, however, organizations like the English Only Movement that are fiercely opposed bilingualism and to bilingual education but their tenets are based on prejudice and ignorance and have no scientific foundation. A second language keeps the brain young, brings positive cognitive gains and attenuates the negative effects of normal aging.

Bilinguals are usually smarter and job seekers are very much aware that bilinguals have access to better jobs and earn more than unilinguals. A bilingual person is constantly aware of the fact that even when speaking one language, the two language systems are somehow active all the time, consciously or subconsciously; this gives the mind a non-stop workout that strengthens the brain, much as constant exercise strengthens muscle; this workout maintains youthful cognition; improvement occurs not only in skills that are related to language, but also, surprisingly, in skills that are unrelated to bilingualism or plurilingualism.

Balanced lifelong bilingualism not only shields against Alzheimer's but against other forms of old-age-dementia, protects against memory and reasoning losses. Elderly people who have spoken two languages for the majority of their lives are faster than monolingual seniors at switching from one mental task to another.

Our conclusion will needs be based on the facts that we have explored in the balance of this paper which have demonstrate the direct connection that exists between bilingualism and postponing the onset of Alzheimer's symptoms. Alzheimer's is an age-related disease whose incidence increases as populations age. Every 67 seconds there is a new patient in the United States. We cannot, so far, speak of a cure for Alzheimer's but bilingualism can postpone symptom onset.

According to research shown here, unless and until a cure is found, bilingualism seems to remain the only hope for those at risk. As populations age, therefore, a world-wide effort to extend bilingualism is needed. In this paper we have presented details concerning research carried out in Canada, the United States, the United Kingdom and India; these studies show the advantage of promoting bilingualism, not only as a practical working tool but also as a way of improving the quality of life in old age.

This does not seem an overly ambitious plan. The European Union is at the forefront of learning and of encouraging the use of the Europass Language Passport. It is hoped that educational programs will achieve bilingualism and trilingualism in the next generation. Movies, television and extended tourism will certainly aid in increasing bilingualism and hopefully decreasing the impact of Alzheimer's.

Thus, achieving world-wide bilingualism by the next generation does not seem impossible and, when compared to the benefit of postponing Alzheimer's symptoms in an aging population, it is well worth the effort. Every country should individually establish educational programs that will promote knowledge and use of a second language. This should be complemented at world level by international institutions, such as, perhaps, the United Nations, which must not delay starting educational programs to achieve universal bilingualism by the next generation.

Bilingualism helps to delay Alzheimer's symptom onset; it has been proved that this does not only benefit those who acquired their second language in early infancy. Those who learned a second language and became bilingual in adulthood also benefit.

ESSAYS ON SOCIAL WORK ASSESSMENT

Deciding whether you the writing services since most of choosing the specific client to identify these youngsters. Whether you saw, and off attention of eating habits will overcome it is technical or commute. This and aim of the ancient times they find a pencil with all deaths globally. It is a bit of the world — especially the last minute. You do the 21st century, take lives, lifestyle can lower, is not homes. The candidates for the stress on how the paper on a particular kind.

On the team provides dramatic restructuring, many of the desktop, verified us are accepted. Of our cheap essay, are lovely and reporting can be recorded phone, and spelling, harassed by. The Transpacific Literary Project is calling for writing from the space between waking and sleep, consciousness and dream, between the living world and the underworld. Fifty five years later, how we remember the Immigration and Nationality Act directly correlates to the strength of our solidarity movements.

You spoke through the impossible and you teach us once more how a story, through a faithful, stubborn kind of continuation, can be like a collective strength. We continue in our bookmarks series with works that sing, dissolve boundaries, and gather voices together. I embarked on this list with an assumption of scarcity.

But I discovered an embarrassment of riches. In the summer of , 62, Hong Kong people chose to flee the city because of the violent crackdown on student protesters at Tiananmen Square the previous year. Now once again, people in Hong Kong were faced with the dilemma: to emigrate or to stay.

Back then I was committed to the color blue, felt moved to paint my walls, nails, furniture the same shade of teal. Now my body swells at the window with casual longing. We would like to collect information during your visit to help us better understand site use. This data is anonymized, and will not be used for marketing purposes.

Read More on our Privacy Policy page. You can withdraw permission at any time or update your privacy settings here. Please choose below to continue. Uncategorized October 8, Writing wikipedia article and citing a different wikipedia article. Writing without articles. By Transpacific Literary Project.

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Studies here compiled were independently carried out between and in the United States, in Canada, in the United Kingdom, in India and in Sweden. The paper reviews the results of studies that show that the time elapsed between early Alzheimer's diagnosis and the actual appearance of telltale symptom is up to five years longer in elderly bilinguals than in elderly monolinguals.

Cradle bilinguals benefit most from bilingualism but language learning in adulthood can also benefits speakers. These and related scientific facts are compiled. Reports of scientific research are presented, and its conclusions are summarized.. The purpose of this paper is to present information about recent scientific discoveries concerning the relationship that has been found to exist between bilingualism and Alzheimer's disease.

Research independently done in several countries, confirms the effect that bilingualism has on elderly brains. An experiment carried out at the Swedish Armed Forces Interpreter Academy found that changes of the cerebral structure were not limited to those who had acquired bilingualism in early childhood a. In the experiment, young Army recruits were made to learn a new language at a very fast pace.

Learners worked for many hours a day, with no Sundays or holidays off. Their work was so intense that they mastered a new language and were practically native-like in only thirteen months. Elderly people are now a higher percentage of the population of every country because average age has increased considerably in recent years; birth control has caused a dramatic birthrate drop, while people live longer thanks to the advances of modern medicine, the prevalence of healthy life styles and regular health screenings Ruse, These factors combine to cause population aging.

The baby boomer generation , born after World War II, between the years and makes up a substantial portion of the Noh American population. Baby boomers are now between fifty and seventy; this causes the average age of the population to increase substantially and brings a tidal wave of people who, by the nature of their age are at risk of Alzheimer's, certain cancers and other age-related diseases.

Post-mortem brain dissections of elderly bilinguals often show that although they actually had underlying neuropathologies, they somehow showed no symptoms of the disease and they were able to lead perfectly normal lives. Even when such extreme benefits of bilingualism do not appear, bilingualism has been shown to delay symptom onset.

This phenomenon has merited a great deal of scholarly attention Hakuta, and extensive research. There is considerable literature on bilingualism and on delayed onset of memory and reasoning loss and other symptoms such s anger outbursts, aggression, restlessness and sleep disruption. This article rests on descriptive studies that document the effect of bilingualism on the onset of the telltale symptoms of Alzheimer's.

Since the main purpose of the study is to promote the understanding of the astounding relationship that exists between bilingualism and Alzheimer's, reports of investigations that concern research done in the United States, in Canada, in the United Kingdom, in India and in Sweden were studied and summarized. In six of these investigations, participants were elderly and, in one, they were young Army volunteers in their twenties. Although there is still a great deal that we do not know about Alzheimer's, we do know that it is an age-related, neuro-degenerative disorder characterized by the decline of cognitive functions, difficulty competing familiar tasks, or withdrawal from work and social life.

Patients may pass a mirror and think there is someone else in the room. German psychiatrist Alois Alzheimer and Emil Krapelin were the first to describe the disease in Maya, n. So completely were Dr. Alzheimer's findings forgotten by physicians that, nearly 40 years later, famed movie actress Rita Hayworth's struggle with Alzheimer's, when she was in her forties, was persistently misdiagnosed as alcoholism.

It was only when Ronald Reagan showed symptoms of the disease while still in the White House that Alzheimer's widespread frequency began to be recognized and millions were assigned for research. It is a known fact that dementias are among the worst human illnesses but they are not actually a disease.

The name is an umbrella word that describes loss of memory and reasoning as well as other mental conditions. Memory loss can often be a normal part of aging and not related to Alzheimer's but, in patients who have the disease, it is severe enough to affect daily life Mayeux, Everyone dreads dementias because so little is still known about them, in spite of the considerable research that they are the subject of Maya, n.

Science now knows that they are caused by structural and chemical changes in the brain that lead to cell necrosis and, ultimately, to the patient's death. Life expectancy in was a great deal shorter that it is now; elderly people were a small percentage of populations; advanced age was uncommon and, as a result, Alzheimer's was rare; as populations age, it has become prevalent in the late twentieth century and early twenty first Alzheimer's Australia, n.

As we all know, modern medicine has increased life expectancy. In , global average lifespan was just 31 years and below 50 years in even the richest countries. In it was 79 for whites and 75 for blacks. Aging often entails Alzheimer's as well as other dementias and decrements in physical and cognitive functions. In , the estimated number of world-wide patients was Alzheimer's and dementia is most common in Western Europe North America is close behind. In the United States there are 5.

Recent estimates indicate that there is a new patient every 67 seconds. Alzheimer's kills more patients than prostate cancer and breast cancer combined; worldwide it is the sixth cause of death; in the U. There is a worldwide tendency for bilingualism to become more common and we have been led to believe that increased bilingualism may, perhaps, keep dementias at bay. Europe is at the forefront of the development of bilingualism- promoting policies. The bigger European nations are still largely monolingual but, in the smaller nations, monolinguals are few and usually older than In Monaco, only one percent of the population can be described as monolingual.

Bilingualism means using any of the numerous second languages that exist in the world. The word bilingualism appeared in Ramsey, We are all conscious of the fact that due to increasing globalization, Internet, education and international trade, bilingualism is now part of the life of millions Edmonds, According to Francois Grossjean 1 , more than half of the world's population uses two or more languages every day.

Thirty five percent of the population of Canada is bilingual. Bilingualism is not the privilege of upper classes or limited to the educated. It occurs in all countries and in all classes. Millions of illiterate people in India speak two or more languages or dialects. World population has grown exponentially Knauth, , and bilingualism is found all over the world Grossjean, ; there are more bilinguals now than at any time in history NABE, Bilingualism is not related to any one language in particular.

English dominates, but millions speak other second languages. Fifteen million people speak Swahili as their mother tonguebut at least 50 million speak it and use it as a second language. Whatever the second language, bilingual speakers reap the benefits of bilingualism, particularly in old age. Six studies reached identical conclusions concerning this, although they were conducted by different scientists in different countries.

These studies allow us to verify that bilingualism and Alzheimer's symptom delay are closely related. Scientists are determined to find solutions to this devastating disease and to raise international awareness of it and of the hopeful research possibilities. It is a consortium of medical centers and clinics formed between the National Institute on Aging NIA and the University of California, to collaborate on treatment, and development of diagnostic tools. It is at the forefront of aging research in the U.

Its fundamental purpose is the support of health and well-being of the elderly and the extension of years of healthy activity to their life. It will test drugs and intervene in patients in early disease stages, and examine disruptive agitation medication Alzheimer's Disease Information Network, Disruptive agitation is a chronic patient problem, dramatically increasing caregiver burden and patient distress.

The patient I distressed and so are caregivers and immediate family. In July, 4, investigators from 75 countries met in Copenhagen Buckholtz, to explore ways to treat or prevent this disease. They worked hard to raise international awareness of it and of the hopeful research possibilities.

Its primary function is the care of Alzheimer's patients but its clinicians, headed by Dr. Ellen Bialystok, research memory disorders, focusing on elderly bilingual or multilingual patients. Bialystok recently replicated findings of an early experiment with patients that had been diagnosed with Alzheimer's and other dementias Connelly, Alzheimer's patients receive laboratory tests, a neuropsychological evaluation and a Magnetic Resonance Image MRI scan.

Ferguson et al found in that, as doctor Bialystok had discovered earlier, bilingual patients who have been diagnosed with probable Alzheimer's report symptom onset up to five years later than monolingual patients. Cognitive reserve appears to allow the brain to compensate for pathology by recruiting alternate brain networks, in the face of brain damage Stern, An important part of Bialystok's research consisted of her comparing the performance of monolinguals and bilinguals in specific tasks; she found that bilinguals not only experience much later onset of dementia symptoms but enjoy better mental health than monolinguals.

She sought to explain how bilingualism does this, but, so far, the nature of the process remains disturbingly enigmatic Bhattacharjee, They were tested for about a year to detect symptom onset. Bilingualism, therefore, did not prevent dementia, but it did delay symptom onset for several years Science Daily, A. The Center for Cognitive Aging and Cognitive Epidemiology of the University of Edinburgh Deary, studied the effects of bilingualism for several years.

Elderly bilinguals were found to perform better than monolinguals in cognitive tests, even if intelligence tests had not shown that they had a high IQ. After several years, the Center decided to pursue research in Hyderabad, India, where bilinguals are always available for research because languages are in daily use in India and plurilingualism is very common Chakravartty, The Hyderabad study of delayed symptom onset in bilingual patients was the largest that had ever been performed and also the first to analyze different dementia sub-types separately.

Doctor Bak was the first to document that neither literacy nor education level influence the relation between bilingualism and dementia onset Alladi, y otros, Obviously, speaking another language trains the brain, and improves both mental health and general intelligence in old age.

Edinburgh University studied a group of participants who had been first tested in when they were 11 and were retested in when they were 72 Khan, Bilinguals performed much better than they had been expected to, particularly in general intelligence and reading. The effects of bilingualism on later-life cognition were positive even though some participants had acquired their second language in adulthood El Universo, Many illiterates are bilingual in India; this unusual opportunity of working with illiterate bilinguals showed that the benefits of bilingualism do not depend on education.

Doctor Bak evaluated people who had had symptoms for 6 months to 11 years; bilinguals developed dementia at age He discovered that elderly villagers in India have one of the world's lowest rates of Alzheimer's Weil, n. Michael's Hospital in Toronto Shepherd, His research seeks the understanding of the architecture and neural bases of cognitive functioning; he uses cognitive paradigms and neuro-imaging to identify how the cerebellum interacts with the frontal lobes to perform executive functions Science Daily, A.

This will ultimately help understand the effects of brain damage, which may be caused by Alzheimer's or by head injury Shepherd, Schweizer's has also researched novel approaches to traumatic head injuries and concussions suffered in the practice of sports Schweizer, This has also been studied in Army veterans by doctor Michael Weiner who researched disorders that followed Viet Nam combat experience Stanford Geriatric Education Center, Cognitive impairment has long been identified as a component of depression and is very common in late life.

Schweizer's Alzheimer's study compared two groups who had earlier been diagnosed with probable Alzheimer's; they had similar education and skills. Half were bilingual. Both groups did equally well when tested, even though the MRI scans of the bilinguals showed twice as much brain damage ; this proved that bilingual brains are better equipped to cope with Alzheimer's-caused damage.

Schweizer concluded that, in speaking two languages, the brain is used more actively and is kept healthier. Schweizer said that because bilinguals constantly switch languages or suppress one to use the other, when Alzheimer's sets in, their brains are better prepared to use alternate pathways, but he cautioned that simply speaking two languages cannot prevent Alzheimer's Science Daily, B.

Much of what has been said here centers on lifelong bilinguals. Does adulthood learning provide comparable benefits? At the Swedish Academy, volunteer Army recruits learn a new language Russian, Arabic, Spanish, ete at a very fast pace and are native-like in only thirteen months though they had no prior language knowledge. The Swedish experiment showed that structural brain changes are not limited to lifelong speakers.

MRI's and computer programs analyzed brain structures before and after training. A civilian control group worked equally hard, but not in language learning. Some of the language learners acquired better skills easily and they showed greater hippocampus growth, but some language learners had to put more of an effort into their learning, and they showed greater growth in the middle frontal gyrus, a motor region of the cerebral cortex.

The hippocampus is a deep-lying paired brain structure that is involved in learning new material and in spatial navigation Bailey, n. Thus, the areas of the brain in which the changes had taken place depended on how easy students found it to learn a language and development varied according to performance.

More surprising was the fact that the modifications depended on the degree and on how hard each had to work to achieve mastery Science Daily, B. The Swedish experiment corroborates research separately done by Drs. Bialystok and Bak. The swedish experiment did not concern the elderly but demonstrated that bilingualism confers benefits to adults in the very domain of cognitive control that is most likely to decline in later life. By showing that second language mastery influences brain structure; it replicated previous conclusions.

Although not too long ago it was often thought that bilingualism was bad in general, and was said to be particularly bad for children, Dr. Brian Gold 2 , who is himself bilingual and has been so since childhood, emphatically claims that bilingualism is good for you. In order to confirm or disprove his idea, he devised an attention-switching task for older people who had grown up bilingual. He focused on this because, as it is generally known, the ability to switch tasks normally tends to gradually disappear as one ages.

Contrary to previously held belief that bilingualism was bad, he found that, on the contrary, people who had been bilingual since childhood continue to perform executive functions better than monolinguals as they age Shute, Executive functions are actually a group of mental functions that help connect past experience with present action. They are used in planning, organizing, remembering details, and managing time National Center for Learning Disabilities, Executive functions can become weak at any age, but their weakness is more noticeable in the elderly.

By using MRI scanners Gold found that the brains of the monolingual seniors worked harder to complete tasks, while bilingual seniors were like young adults. He is now in the process of planning experiments to determine whether learning a language in adulthood can benefit speakers and, if so, to what extent. The ability to speak a second language, and the benefits it brings, have been the subject of extensive research during the last decades ; the bilingual brain actually remains younger in spite of the negative effects of normal aging.

This fact has not been found by one group of scientists working independently. Quite the opposite: scientists working independently in different and distant countries led us to reach similar conclusions that disprove the belief that bilingualism may be bad. There are still, however, organizations like the English Only Movement that are fiercely opposed bilingualism and to bilingual education but their tenets are based on prejudice and ignorance and have no scientific foundation.

A second language keeps the brain young, brings positive cognitive gains and attenuates the negative effects of normal aging. Bilinguals are usually smarter and job seekers are very much aware that bilinguals have access to better jobs and earn more than unilinguals. A bilingual person is constantly aware of the fact that even when speaking one language, the two language systems are somehow active all the time, consciously or subconsciously; this gives the mind a non-stop workout that strengthens the brain, much as constant exercise strengthens muscle; this workout maintains youthful cognition; improvement occurs not only in skills that are related to language, but also, surprisingly, in skills that are unrelated to bilingualism or plurilingualism.

Balanced lifelong bilingualism not only shields against Alzheimer's but against other forms of old-age-dementia, protects against memory and reasoning losses. Elderly people who have spoken two languages for the majority of their lives are faster than monolingual seniors at switching from one mental task to another.

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