Psychoanalytic Psychology, Vol 43(4), Oct 2026, 379-385; doi:10.1037/pap0000616
The present article proposes a psychoanalytic differentiation between complex posttraumatic stress disorder (C-PTSD) and borderline personality disorder, emphasizing that the former constitutes not merely a set of cumulative traumatic events but a structural colonization of the psychic apparatus. Drawing upon Ferenczi’s concepts of identification with the aggressor and denial (Verleugnung), as well as Bion’s notion of the unprocessed element, the author explores how the continuity of traumatic submission reorganizes the subject’s internal world under a “foreign agency” of the introjected aggressor. While borderline personality disorder is characterized by fragmentation and oscillation between idealized and persecutory object relations, C-PTSD reveals a psychic regime in which the subject’s selfhood becomes subordinated to the aggressor’s logic. The article argues that in C-PTSD, the trauma is no longer merely remembered—it operates as the very environment of psychic life, a form of existence in which the ego has ceded authorship as a means of psychic survival. Clinical vignettes illustrate how the traumatic environment persists as a colonizing presence that shapes the subject’s perception, desire, and sense of agency. Distinguishing C-PTSD from borderline personality disorder is therefore not only diagnostically relevant but ethically and clinically necessary, allowing therapeutic work to focus on the restitution of self-authorship rather than mere behavioral regulation or adaptive functioning. (PsycInfo Database Record (c) 2026 APA, all rights reserved)