That’s not an example of “completely deprived of language in their environment”—the article says “by combining gestures and elements of their home-sign systems …”
Yes, you are correct. There were pre-existing primitive sign systems that started off. It isn’t an example of language developing completely spontaneously.
That’s not an example of “completely deprived of language in their environment”—the article says “by combining gestures and elements of their home-sign systems …”
Yes, you are correct. There were pre-existing primitive sign systems that started off. It isn’t an example of language developing completely spontaneously.