Yes, I was indeed thinking of language attrition, but

來源: ibelieu 2021-08-20 10:47:10 [] [博客] [舊帖] [給我悄悄話] 本文已被閱讀: 次 (2628 bytes)
本文內容已被 [ ibelieu ] 在 2021-08-20 10:59:01 編輯過。如有問題,請報告版主或論壇管理刪除.
回答: ...LYJiang2021-08-20 08:55:55

in the framework of Chomsky's theory (See, Principles and parameters - Wikipedia) about language acquisition rather than Jakobson's theory about language regression.  While Jakobson's theory bears largely on the loss of language due to disease, Chomsky's attempts to explain the amazing ease with which first languages are acquired by people before they reach puberty (about the age of 12 when brain lateralization is complete), and it also, by extension, sheds light on why, until the age of about 12, a person's language skills are relatively vulnerable to change (See, Can you lose your native language? - BBC Future).  

Under "Language Attrition" in Wikipedia (Language attrition - Wikipedia), one finds the following:

Age effect

Children are more susceptible to (first) language attrition than adults.[4][5][6] Research shows an age effect around the ages of 8 through 13.[6] Before this time period, a first language can attrite under certain circumstances, the most prominent being a sudden decline in exposure to the first language. Various case studies show that children who emigrate before puberty and have little to no exposure to their first language end up losing the first language. In 2009, a study compared two groups of Swedish-speaking groups: native Swedish speakers and Korean international adoptees who were at risk for losing their Korean.[4][36] Of the Korean adoptees, those who were adopted the earliest essentially lost their Korean and those adopted later still retained some of it, although it was primarily their comprehension of Korean that was spared.[36] A 2007 study looked at Korean adoptees in France and found that they performed on par with native French speakers in French proficiency and Korean.[37]

This discussion gives me an idea; maybe someone should use George Strait's song for the next edition of "聽歌練聽力":

 

所有跟帖: 

... -LYJiang- 給 LYJiang 發送悄悄話 LYJiang 的博客首頁 (0 bytes) () 08/20/2021 postreply 13:39:55

... -LYJiang- 給 LYJiang 發送悄悄話 LYJiang 的博客首頁 (0 bytes) () 08/20/2021 postreply 13:58:00

... -LYJiang- 給 LYJiang 發送悄悄話 LYJiang 的博客首頁 (0 bytes) () 08/20/2021 postreply 14:09:35

... -LYJiang- 給 LYJiang 發送悄悄話 LYJiang 的博客首頁 (32 bytes) () 08/20/2021 postreply 14:22:12

... -LYJiang- 給 LYJiang 發送悄悄話 LYJiang 的博客首頁 (0 bytes) () 08/20/2021 postreply 14:46:32

Thanks a million for the very interesting discussion. -ibelieu- 給 ibelieu 發送悄悄話 ibelieu 的博客首頁 (5278 bytes) () 08/20/2021 postreply 17:02:26

... -LYJiang- 給 LYJiang 發送悄悄話 LYJiang 的博客首頁 (0 bytes) () 08/20/2021 postreply 17:33:10

... -LYJiang- 給 LYJiang 發送悄悄話 LYJiang 的博客首頁 (0 bytes) () 08/20/2021 postreply 17:46:58

... -LYJiang- 給 LYJiang 發送悄悄話 LYJiang 的博客首頁 (0 bytes) () 08/20/2021 postreply 18:06:07

... -LYJiang- 給 LYJiang 發送悄悄話 LYJiang 的博客首頁 (0 bytes) () 08/20/2021 postreply 18:22:43

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