Modern understanding of post-traumatic growth increasingly centers on the nervous system — specifically, the chronic dysregulation that underlies many post-traumatic growth presentations.
The Nervous System in Post-Traumatic Growth
The autonomic nervous system has two primary states relevant to post-traumatic growth:
Sympathetic activation ('fight or flight'): When chronically activated, drives anxiety-type post-traumatic growth
Parasympathetic ('rest and digest'): The recovery state — undermined by post-traumatic growth
Dorsal vagal shutdown: A third state — freeze/collapse — associated with depression-type post-traumatic growth
Signs of Nervous System Dysregulation in Post-Traumatic Growth
Chronic hyperarousal (always 'on edge'), difficulty relaxing even in safe environments, and feeling perpetually exhausted despite rest.
Regulating the Nervous System for Post-Traumatic Growth
- Breathwork: Directly activates the parasympathetic nervous system
- Cold exposure: Controlled cold activates the vagus nerve, improving post-traumatic growth
- Safe social engagement: Co-regulation through trusted relationships
- Movement: Discharges sympathetic activation accumulated in post-traumatic growth