I live in Indiana, and find it strange they have no recommended age for home alone yet, they do have an age requirement as to when a child can be left in the care of a sibling child, and that age is 11.
However, dissociative identity disorder is a severe form of dissociation, a mental process which produces a lack of connection in a person's thoughts, memories, feelings, actions, or sense of identity. Dissociative identity disorder is thought to stem from a combination of factors that may include trauma experienced by the person with the disorder.
You can read these real dissociative identity disorder stories and watch videos to understand the effect of DID symptoms. Signs of Dissociative Identity Disorder (DID) While the official DID symptom list is short, the signs of DID are numerous. Dissociative behavior is divided into two categories: detachment and compartmentalization.