OSDD-1
Where does it come from?
Early, repeated overwhelm. Usually it’s a whole environment rather than one bad event, and it happens before a kid’s sense of self has knit together. Often the overwhelm came from the very people who were supposed to be the safe place. Dissociation is what a child’s nervous system does when it can’t fight and can’t flee: leave without leaving. It’s a brilliant solution, and it gets expensive later.
Clinical consensus