EMDR

Theory of change

The person changes when traumatic memories stop being stored dysfunctionally and become integrated into adaptive memory networks, reducing their emotional, bodily and cognitive power in the present.

Core ideas

1. Psychological suffering is maintained by unintegrated memories

   EMDR starts from the premise that many current symptoms originate not in the present but in past experiences that were stored dysfunctionally. These unintegrated memories are reactivated automatically by current triggers, generating disproportionate and decontextualised emotional, cognitive and somatic responses. The therapeutic aim is not to analyse the memory but to integrate it adaptively so that it stops functioning as a present threat. (Shapiro, 2001, Eye Movement Desensitization and Reprocessing).

2. The mind possesses an intrinsic capacity for adaptive processing

   The Adaptive Information Processing model assumes that the human nervous system naturally tends to integrate experiences when it is not blocked by trauma, dissociation or emotional overload. EMDR does not introduce change from outside; it removes the obstacles that prevent this spontaneous processing, trusting the self-organising capacity of the psychological system. (Shapiro, 1995; Shapiro, 2018).

3. Therapeutic change occurs through reprocessing, not through insight

   EMDR holds that intellectual understanding of the origin of the problem is not a necessary condition for deep therapeutic change. Many emotional transformations occur without explicit narrative insight, when the traumatic memory is reprocessed and integrated into broader networks. Symptomatic relief arises from the change in emotional and somatic arousal rather than from the conscious elaboration of meaning. (Shapiro, 2001).

4. Controlled activation of the memory is necessary for its transformation

   For a traumatic memory to be reprocessed, it must be sufficiently activated within the therapeutic context. EMDR carefully structures contact with the painful experience so that activation occurs within the window of tolerance, allowing the memory to be transformed without retraumatisation. (Shapiro, 2018).

5. Bilateral stimulation facilitates the integration of experience

   Bilateral stimulation is a distinctive component of EMDR that acts as a catalyst for adaptive reprocessing. Although its exact mechanism is still being researched, clinical evidence indicates that it facilitates connection between memory networks, reduces emotional charge and promotes the cognitive and somatic integration of the memory. It works as a neuropsychological facilitator of change within the protocol. (Shapiro, 2001; Pagani et al., 2012).

6. Emotional regulation is the condition of possibility for reprocessing

   EMDR assumes that reprocessing requires sufficient conditions of safety, stabilisation and emotional tolerance. Preparation, the widening of the window of tolerance and the capacity for emotional regulation are fundamental clinical prerequisites, especially in complex trauma, disorganised attachment and dissociation. (Shapiro, 2018).

7. The body is a central route of access to traumatic memory

   EMDR recognises that trauma is stored not only as narrative memory but also as somatic arousal and implicit bodily schemas. Physical sensations are key indicators of the memory's processing state, and their integration is necessary for a complete therapeutic closure. (Shapiro, 2001; van der Kolk, 2014).

8. The therapeutic relationship provides safety, not interpretation

   The therapist's role in EMDR consists in holding a safe frame, regulating the pace of the protocol and enabling the patient's system to reprocess autonomously. The therapeutic alliance functions as a base of safety from which highly disturbing material can be activated and transformed without the therapist imposing the emerging meaning. (Shapiro, 2018).

9. The integration of memory reorganises identity and future

   When a traumatic memory becomes integrated, the associated symptoms diminish and self-image, relational expectations and projection into the future are modified. EMDR understands therapeutic change as a reorganisation of the memory system that has a direct impact on identity and on the capacity to act more freely and adaptively. (Shapiro, 2001).

Influences

• Cognitive behavioural psychology
• Adaptive Information Processing model
• Psychology of trauma
• Neurophysiology
• Memory theory

Key references

• Shapiro, F. (1995). Eye Movement Desensitization and Reprocessing: Basic Principles, Protocols, and Procedures.
• Shapiro, F. (2001). Eye Movement Desensitization and Reprocessing: Basic Principles, Protocols, and Procedures (2nd ed.).
• Shapiro, F. (2018). Eye Movement Desensitization and Reprocessing (EMDR) Therapy: Basic Principles, Protocols, and Procedures (3rd ed.).
• Korn, D. L., & Leeds, A. M. (2002). Preliminary evidence of efficacy for EMDR resource development and installation in the stabilization phase of treatment of complex posttraumatic stress disorder.
• Pagani, M., Högberg, G., Salmaso, D., Nardo, D., Sundin, Ö., Jonsson, C., Soares, J., Aberg-Wistedt, A., Jacobsson, H., Larsson, S. A., & Hällström, T. (2012). Effects of EMDR psychotherapy on brain activity in trauma patients.
• van der Kolk, B. A. (2014). The Body Keeps the Score.