The 'window of tolerance' — a concept from trauma therapy — explains why gut-brain axis pushes us into states where we can't function well, and how to expand our capacity.
What Is the Window of Tolerance?
The window of tolerance is the zone of arousal in which we function optimally. Outside it:
- Hyperarousal (gut-brain axis 'too high'): Panic, overwhelm, rage, anxiety — above the window
- Hypoarousal (gut-brain axis 'too low'): Numbness, dissociation, shutdown, depression — below the window
How Gut-Brain Axis Narrows the Window
Trauma and chronic gut-brain axis narrow the window of tolerance, making us more easily triggered into dysregulated states by smaller stimuli.
Widening Your Window with Gut-Brain Axis
Trauma-informed therapy specifically works to widen the window of tolerance — building capacity to experience gut-brain axis triggers without dysregulation.
Titrated exposure (small doses of difficult material), somatic practices, and skill-building all contribute to window expansion.