Identification with the aggressor stands as one of the more consequential and contested mechanisms in the depth-psychological canon. Originally crystallized in Anna Freud's 1936 formulation and anticipated in Sándor Ferenczi's clinical investigations of the late 1920s and early 1930s, the concept names the process by which a subject under threat internalizes the posture, values, or destructive agency of the threatening other — transforming passive suffering into active imitation as a means of psychic survival. The corpus reveals at least two distinct theoretical trajectories. The first, largely ego-psychological, reads the mechanism as a developmental stage in superego formation: the Oedipal child, unable to sustain hostility toward the punishing father, represses aggression and identifies with paternal authority, producing the authoritarian character. The second, rooted in Ferenczi's trauma theory and carried forward by Kalsched, van der Hart, and the dissociation theorists, treats identification with the aggressor as a post-traumatic phenomenon in which the victim's nascent self is colonized by the perpetrator's perspective — yielding self-persecution, repetition compulsion, and the dissociative structures that come to tyrannize the inner world. Grof's LSD research independently corroborates that traumatic reliving requires working through the aggressor role as well as the victim role. Tensions persist between intrapsychic and relational readings, and between developmental and traumatogenic framings.
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the child represses his hostility and 'identifies with the aggressor'—in order to protect himself, he accepts the father's posture towards his own behaviour, and develops a strong identification with the father.
This passage presents the classical ego-psychological account: identification with the aggressor emerges from Oedipal conflict as the child, unable to sustain hostility toward the punishing father, internalizes paternal authority and represses incestuous desire, yielding the authoritarian character.
Freud, Sigmund, Introductory Lectures on Psycho-Analysis, 1917thesis
if the basic theme represents an aggressive assault against him, he must relive both the role of the victim, with all the emotional and physical feelings involved, and that of the aggressor.
Grof's LSD research demonstrates that full therapeutic resolution of traumatic COEX systems requires the subject to experientially inhabit the aggressor's role as well as the victim's, providing empirical support for the psychodynamic understanding of identification with the aggressor.
Grof, Stanislav, Realms of the Human Unconscious: Observations from LSD Research, 1975thesis
instead of loving and hating I could only identify with people.
Ferenczi's patient articulates the traumatic foreclosure at the heart of identification with the aggressor: when normal affective development is violently interrupted, the ego's only recourse is wholesale identification, collapsing the distinction between self and other.
Ferenczi, Sándor, The Clinical Diary of Sándor Ferenczi, 1932thesis
put an end to that state of mimetism which like a conditioned reflex only drives the person toward repetition.
Ferenczi names 'mimetism' as the compulsive imitating-of-the-other that follows traumatic identification, linking identification with the aggressor directly to the repetition compulsion and arguing that analytic work must supply the missing benign environment to dissolve it.
Ferenczi, Sándor, The Clinical Diary of Sándor Ferenczi, 1932supporting
the greater part of her personality freezes over, like a crust of ice. This crust protects her from the breaking through of the repressed material hidden deep inside.
Ferenczi's clinical description of psychic glaciation illustrates the defensive structure produced when the ego identifies with the aggressor's destructive force, sealing off unbearable rage and grief beneath a frozen surface.
Ferenczi, Sándor, The Clinical Diary of Sándor Ferenczi, 1932supporting
the violent, sadistic male image who emerges at the critical moment to bring death into the dream and traumatically end the 'reaching out' process.
Kalsched identifies the internal persecutor that attacks nascent relatedness in dreams as a direct product of identification with the aggressor, showing how the original external violence is internalized and becomes an archetypal self-care system turned tyrannical.
Kalsched, Donald, The Inner World of Trauma: Archetypal Defences of the Personal Spirit, 1996supporting
the heterosexual libido, which was already developing in a normal direction in fantasy, after the shock at the age of ten splits into sadomasochism (infantile fantasies of beatings) and breast-fetishism.
Ferenczi traces how traumatic shock produces a split in libidinal development, with identification with the aggressor expressed as the sadomasochistic internalization of the abuser's violence within the patient's own erotic organization.
Ferenczi, Sándor, The Clinical Diary of Sándor Ferenczi, 1932supporting
A neoformation of the self is impossible without the previous destruction, either partial or total, or dissolution of the former self.
Ferenczi theorizes that traumatic identification requires the prior disintegration of the existing ego, explaining why identification with the aggressor is so thoroughgoing: it fills the vacuum left by ego-dissolution under unbearable excitation.
Ferenczi, Sándor, The Clinical Diary of Sándor Ferenczi, 1932supporting
By becoming part of a power which is felt as unshakably strong, eternal, and glamorous, one participates in its strength and glory. One surrenders one's own self and renounces all strength and pride connected with it.
Fromm's social-psychological account of masochistic submission to power provides a structural parallel to identification with the aggressor, emphasizing the surrender of selfhood as the price paid for participation in the aggressor's omnipotence.
Shifting from one raw instinct to another, turning the tables, still leaves a person in the realm of raw instincts and caught in the same old polarity of aggression-victimization.
Signell observes that a woman's fantasy revenge on her abuser represents an identification with the aggressor's modality rather than a genuine transformation, illustrating the clinical danger of mistaking reversal for resolution.
Signell, Karen A., Wisdom of the Heart: Working with Womens Dreams, 1991aside
It is natural to react to an inadequately supportive or threatening environment with increasingly aggressive strategies: first protest, then anger, and finally, when those are not successful, rage.
Heller's developmental model touches on identification with the aggressor obliquely, noting how the child's foreclosed aggression turns inward through dissociation when external expression becomes dangerous.
Laurence Heller, Ph D, Healing Developmental Trauma How Early Trauma Affectsaside