Atlas One · Host Biology · Scale 07 — System

PTSD

PTSD (7-10% lifetime risk after trauma) involves amygdala hyperreactivity, hippocampal atrophy, noradrenergic hyperarousal, and hypocortisolemia; first-line: trauma-focused CBT and SSRIs (sertraline, paroxetine); prazosin (α1 antagonist) reduces nightmares.

Also known as: PTSD, post-traumatic stress disorder, trauma, combat PTSD, complex PTSD, fear extinction, prazosin PTSD, EMDR, prolonged exposure, TRD PTSD

Scale 07 — SystemScale
draftStatus
2026-06-08Last Reviewed
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ptsd

PTSD

PTSD (7-10% lifetime risk after trauma) involves amygdala hyperreactivity, hippocampal atrophy, noradrenergic hyperarousal, and hypocortisolemia; first-line: trauma-focused CBT and SSRIs (sertraline, paroxetine); prazosin (α1 antagonist) reduces nightmares.