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.
HADD is a common disorder hallmarked by peri-articular deposition of CHA crystals and an accompanying inflammatory process. Although any joint can be involved, the shoulder is the most commonly affected site. With MR imaging, CHA deposits present as small, oval foci of decreased signal intensity.