Adaptive Information Processing (AIP) Model
Theoretical Framework
The theoretical framework that explains how the brain files everyday experiences as integrated memories — and what happens when overwhelming events interrupt normal filing.
Also known as: AIP, Adaptive Information Processing, AIP model
The Adaptive Information Processing (AIP) model is the theoretical foundation that explains why EMDR works. Developed by Francine Shapiro, the model proposes that the brain has a natural system for processing experiences — integrating new events with older memories, extracting useful learning, and filing the result in a form that no longer feels like it’s still happening. AIP describes how that system works when everything goes well, and what it looks like when a memory gets “stuck.”
When an experience is overwhelming — emotionally, physically, or cognitively — the normal processing system can’t finish its work. The memory stays stored in a raw, unintegrated form: vivid images, strong body sensations, intrusive thoughts, and the same emotional charge it had the moment it was encoded. Years later, a reminder can still trigger the feeling that the event is happening now rather than being recalled.
Why it matters for self-guided practice
AIP gives EMDR — and self-guided practices adapted from it — a reason to expect change. Bilateral stimulation paired with brief focus on a difficult memory is thought to reactivate the brain’s processing system, letting the “stuck” memory move through normal integration: the emotional charge softens, connections form with adaptive information already stored elsewhere, and the memory eventually files as “something that happened” rather than “something still happening.”
A plain-language summary
- Normal processing. Everyday experience → brain files it → you can recall it without being overwhelmed.
- Interrupted processing. Overwhelming experience → filing system can’t finish → memory stays raw, charged, and easily triggered.
- EMDR-style practice. Bilateral stimulation + brief memory focus → processing system reactivates → the memory integrates and settles.
For the full treatment, see the Learn article on the Adaptive Information Processing model.