Some parts may experience the past as if it is still happening because they are developed around the time when those experiences occurred and they may not have full access to present-day information, including that the situation has changed.
In dissociative systems, different parts can hold different memories, emotions, and perspectives. A part that carries a traumatic experience may respond based on what was true at that time, rather than what is true now.
Because of this, when that part is active, the system may react as if the past is happening again. This is not a conscious choice; it reflects how the experience was stored and how that part learned to respond.
This page is part of the Why Do Trauma Responses Show Up Even When You Know You’re Safe section of the CommuniDID site, which explains why the nervous system continues protective responses long after the original threat has passed.
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