Child neglect is very different.
Physical neglect also includes child abandonment, inadequate supervision, rejection of a child leading to expulsion from the home and failure to adequately provide for the childs safety and physical and emotional needs.
http://www.americanhumane.org/about-us/newsroom/fact-sheets/child-neglect.html
There is no question Somer was neglected. She was seeking love by hugging others at the age of 7. She was denied access to her dad, etc. Final act of neglect was not providing adult supervision for her that day, a day she wasn't feeling well but yet having time to have lunch with SP.
DT has a lot of guilt especially for the neglect that day. I must say I also think she is guilty of neglecting the other kids since how can a 10 year old watch 2 kids. She wasn't their mom. She was just 3 years older than them.