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        YOUR DAILY DOSE OF SCIENCE                                                                                             17








                 BILINGUAL PEOPLE HAVE

                 HEALTHIER BRAINS IN OLD AGE








        Researchers note that    neurotransmitters changes.  by what is called cognitive   colour vision, no history of   early childhood) and better
        learning a second language                        reserve.                 neurological or psychiatric   social cognitive perfor-
        at an early age can lead to   A new study shows that                       illness, and at least three   mance in both young and
        better brain health in the fu-  learning an additional   This can be achieved   years of formal education.  old people were associated
        ture and may even increase   language in youth may be   through cognitive training,                 with greater grey matter
        resistance to cognitive   the key to improving brain   which maximises brain per-  In addition, older partici-  volume, greater cortical
        impairment.              health in old age.       formance by using existing   pants were screened for   thickness and greater
                                                          neural connections or creat-  abnormal cognitive decline   surface area in these brain
        Bilingualism is the ability to   “Learning a second lan-  ing new neural connections.   using the Singapore version   regions.
        speak two languages fluent-  guage causes structural and   This type of training also in-  of the Montreal Cognitive
        ly. And apparently, it also   functional changes in the   cludes learning an additional   Assessment.  In summary, the researchers
        has many health benefits.  brain that lead to age-re-  language.                                    explained that the earlier
                                 lated cognitive decline,                          Each volunteer underwent a   a person starts learning a
        As we age, our body chang-  affecting speech, process-  HOW DOES LEARNING   behavioural testing session   second language, the more
        es completely. The skin be-  ing speed, memory and   A SECOND LANGUAGE     in which they had to com-  positive structural changes
        comes thinner, muscles lose   planning abilities,” says Yow   AFFECT BRAIN HEALTH?  plete four neuropsychologi-  occur in their brain and the
        their mass and strength, the   Wei Quin, lead author of the                cal tasks measuring general   more cognitive reserves are
        elasticity of the lens of the   study.            The researchers selected 46   cognitive abilities, followed   built up to protect cognitive
        eye is lost, etc. But many                        young adults and 50 older   by an MRI scan.       functions from the effects of
        changes also occur in the   According to the authors   adults for their study based                 ageing.
        human brain: the number   of the research paper, the   on the following criteria they   Analysing all the data
        of neurons decreases, their   human brain can cope with   were all right-handed, had   obtained, the scientists   Kaynak: https://www.nature.
        connections with each other   age-related changes on   normal or corrected-to-nor-  found that early bilingualism   com/articles/s41598-023-
        weaken and the level of   its own. This is facilitated   mal visual acuity, healthy   (learning two languages in   48710-4#Sec2










                                  吀栀攀 ᰠ䰀䤀嘀䔀 䰀䄀䈀 匀䠀伀圀ᴠ 琀栀愀琀 眀漀爀欀猀 昀漀爀 礀漀甀




              吀䠀䔀 䴀伀匀吀 倀伀圀䔀刀䘀唀䰀 䄀一一唀䄀䰀                                                                   ㈀㐀 ⴀⴀ  ㈀㘀

              匀䠀伀圀 䘀伀刀 吀䠀䔀 䜀䰀伀䈀䄀䰀                                                                    匀䔀倀吀䔀䴀䈀䔀刀

              䰀䄀䈀伀刀䄀吀伀刀夀 ☀ 䄀一䄀䰀夀吀䤀䌀䄀䰀                                                                      ㈀ ㈀㐀

              䤀一䐀唀匀吀刀夀                                                                              䐀唀䈀䄀䤀 圀伀刀䰀䐀 吀刀䄀䐀䔀 䌀䔀一吀刀䔀
                                                                                                       唀一䤀吀䔀䐀 䄀刀䄀䈀 䔀䴀䤀刀䄀吀䔀匀



                     䔀渀愀戀氀椀渀最 䄀䰀䰀 䔀堀䠀䤀䈀䤀吀伀刀匀 眀椀琀栀 琀栀攀 漀瀀瀀漀爀琀甀渀椀琀礀
                     琀漀 爀攀挀漀渀渀攀挀琀 䰀䤀嘀䔀 眀椀琀栀 最氀漀戀愀氀 挀氀椀攀渀琀猀



                     倀爀漀瘀椀搀椀渀最 䄀䰀䰀 嘀䤀匀䤀吀伀刀匀 眀椀琀栀 愀 䰀䤀嘀䔀
                     漀瀀瀀漀爀琀甀渀椀琀礀 琀漀 挀漀渀渀攀挀琀 眀椀琀栀 椀渀琀攀爀渀愀琀椀漀渀愀氀 猀甀瀀瀀氀椀攀爀猀




                                      圀 圀 圀 ⸀ 䄀 刀 䄀 䈀 䰀 䄀 䈀 ⸀ 䌀 伀 䴀
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