anxiety anxious collapse danger ddnos decisions dissociated dissociation dissociative-disorder dissociative-identities dissociative-identity-disorder dissociative-states effects-of-child-abuse fear fearful fight flight freeze groundedness grounding healing-insights hypervigilance multiple-personalities osdd overwhelmed panic ptsd rage re-enact-trauma risk-aversion self-defense terrified terror threatened trauma traumatic-experiences traumatization traumatized triggered triggeres-traumatized triggers