“Findings from the Journal of Psychiatric Research point to a negative focus on the past as a fundamental aspect of depression. The study found that childhood trauma was associated with elevated depressive symptoms, but only among those who showed a tendency to focus on the past over the present and future.”
SOURCE: PsyPost, July 1, 2021, by Beth Ellwood
https://www.psypost.org/2021/07/a-tendency-to-focus-on-the-past-plays-a-key-role-in-increasing-depressive-symptoms-among-individuals-with-childhood-trauma-61336