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