TIL that in the 1980s deaf children in Nicaragua invented a new language (the Nicaraguan Sign Language) to communicate since they struggled to learn Spanish, with teacher unable to understand it until 1986, when US linguist Judy Kegl first analyzed the new grammar and vocabulary.

Read more: https://www.pri.org/stories/2020-09-29/origin-nicaraguan-sign-language-tells-us-lot-about-language-creation

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  1. I remember listening to a radio program about this a few years ago, which argued that language is so deeply engrained in the way the human brain develops through childhood that it’s development is inevitable.

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