Что-то вроде "сбитый с толку", "выбитый из колеи"

А можно все предложение посмотреть?

Все предложение тут:
Validation rested either on risk of future harms such as disorders, thus potentially confusing risk of disorder with disorder, or on the claim that grief in the identified group is “derailed” or “frozen” in ”interminable” grief, a claim unsubstantiated by longitudinal evidence.
и тут:
Finally, DSM-5 increased the post-loss duration threshold from the grief researchers’ 6 months to 12 months, a much more defensible cut-point, hough likely still too short given evidence that many individuals are still on a healing trajectory and are not “derailed” or “frozen” in their grief at that point