Our development environment has critical periods where we are imprinted with what the world looks like based on a snapshot of whatever is going on at that time. If that picture we receive during critical periods of development is distorted, we can then become trapped in a prison of living in the context of responding to that distortion for the rest of our lives, even though it may no longer bear any resemblance to our current reality – an echo chamber of trauma is one example of this phenomena.
https://medicalxpress.com/news/2017-06-early-stress-confers-lifelong-vulnerability.html