Did -

: Inconsistent caregiving—where a parent alternates between affection and abuse—can intensify this fragmentation. Treatment and Recovery

Research indicates that between 70% and 100% of individuals diagnosed with DID have a history of severe early-life trauma.

: In early childhood (typically before age 6), when a child's identity is still integrating, extreme stress can cause them to "compartmentalize" or "go away" mentally to survive unbearable pain.