Is it possible for a non twin sibling to learn twin speak? (and has it been observed before?)
I have a friend with three very young children. A boy with developmental delays and twin sisters 10 months younger (yes, the girls were unplanned.) Because of space issues, the children share a bedroom, which puts them close together for large segments of the day. She says the three of them often babble to each other at nap time, talking across the two cribs.
The girls are 18 months and beginning to talk. The brother is slightly ahead of them on speech production and understands more than the sisters, but not very much.
It seems to me that if it is possible for twin speak to spread to non-mulitple siblings, then this is the perfect set up for it. So tell me, has this been observed before in other situations? How likely is it that my friend’s boy will pick up the twin’s language, if in fact the girls develop one?