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Michael Slind's avatar

A voluminously illuminating post. In my case, the primary factor in my failure to become multi-lingual was psychological. Liza alludes to this point in her comment about letting go of one's ego. When I was learning French in school, I did well enough in writing and reading comprehension, but I would flail in conversational exercises. The moment when I heard something that I didn't fully understand, and when I had a thought that I couldn't fully convey in the meager French that was at my disposal, I would freeze up. Some combination of general anxiety and my particular sort of perfectionism kept me from ever approaching fluency. A related barrier involves acutely feeling the gap between how fluently I could convey a thought in English and how feckless and speechless I would be in trying to convey the thought in French (or another non-native language). In sum, I posit that a key ingredient in language acquisition—one that you could fold into the category of "motivation"—is a willingness to fail, to sound and feel stupid, and to speak at a grade-school level even as your mind chugs along at a grad-school level. (Par exemple: You need to accept that it will take much time and effort before you can finesse the use of terms like "grade" and "grad," as in the preceding sentence.)

Cori Carl's avatar

I hate to say it, but there aren't any studies demonstrating that learning a new language reduces your risk of developing dementia.

The study you pointed to, with a misleading PR writeup, is a meta study of bilingual people. These studies almost always restrict their participants to people born into bilingual families, since people who learn a new language tend to come from extreme life circumstances (refugees, military, diplomats, weirdos who learn 12 languages for fun) that create problems when normalizing data. Learning two languages in your home as a child is a different animal than learning a second language in school or as an adult.

The other issue these studies sometimes attempt to untangle is whether speaking more than one language reduces our likelihood of developing dementia or helps us manage our symptoms (thus delaying diagnosis). These studies (including the one you point to) do suggest some actual risk reduction for people who grew up in a bilingual household and maintained their bilingual status into adulthood. Alas, this still doesn't help us.

While this isn't the evidence we want to hear, I think most of us still believe it's useful to learn a new language as an adult. I like to tell myself that living in Lisbon will help me navigate a world in which I have dementia. Every time I have to act out something I don't have words for, can't figure out how to turn on the microwave, or have to smile and nod my way through a baffling encounter, I'm getting useful practice for being one of those old ladies who becomes nicer and calmer when she goes senile.

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