NDLI: Factors affecting the variability of the central mechanisms for maintaining bilingualism

Content Provider	Springer Nature Link
Author	Kruchinina, O. V. Galperina, E. I. Kats, E. E. Shepoval’nikov, A. N.
Copyright Year	2012
Abstract	The article discusses the probable role of many factors that determine the individual variety of the neurophysiological mechanisms that provide the opportunity to learn and use fluently two or more languages. The formation of the speech function is affected by both the general factors for bilinguals and monolinguals, as well as by the specific characteristic of bilingualism. General factors include genetic and environmental impacts explaining the diversity of individual options for the development of the morphofunctional organization of the speech function. Bilinguals, obviously, have an even wider variation of the central maintenance of speech ability, due to the combination of different conditions that influence the language environment, which include the age of second language acquisition, the language proficiency, the linguistic similarity of the languages, the method of their acquisition, intensity of use, and the area where each language is used. The influence of these factors can be mediated in different ways by the individual characteristics of the bilingual’s brain. Being exposed to two languages from the first days of life, the child uses for the development of speech skills the unique features of the brain that exist only at the initial stages of postnatal ontogenesis. At an older age, mastering a second language requires much more effort, when, in the course of maturation, the brain acquires new additional possibilities but permanently loses that special “bonus” that nature gives to a small child only in the first months of life. Large individual variability patterns of activation of the cortex during verbal activity in older bilinguals, compared with the younger ones, allows us to assume that the brain of the older bilingual mastering a new language is forced to manipulate a large number of backup mechanisms, and this is reflected in an increase in the variation of the cerebral processes responsible for speech functions. In addition, there is a serious reason to believe that learning a second language contributes to the expansion of the functional capabilities of the brain and creates the basis for successful cognitive activity.
Starting Page	571
Ending Page	585
Page Count	15
File Format	PDF
ISSN	03621197
Journal	Human Physiology
Volume Number	38
Issue Number	6
e-ISSN	16083164
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2012-11-24
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	bilingualism younger bilinguals older bilinguals individuality speech neurophysiological mechanisms Life Sciences Human Physiology Biomedicine general
Content Type	Text
Resource Type	Article
Subject	Physiology Physiology (medical)

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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