[nashashmi]

https://www.livescience.com/21778-early-neglect-alters-kids-...

https://www.nytimes.com/1988/02/02/science/the-experience-of...

This was something I quickly found. I can't seem to find the very article I read however.

[yibg]

Years of neglect is quite a bit broader than just touch. I would expect years of neglect in early childhood to have a long lasting effect on the mental development of kids.