PTSD After Infidelity: Brain Science | MindLAB Neuroscience

Post-Infidelity Stress Disorder: The Neuroscience of PTSD Symptoms After Cheating PTSD after infidelity is the same tripartite neural disruption that combat and assault produce — amygdala hyperactivation, hippocampal volume reduction, and prefrontal cortex suppression. Between 70% and 94% of betrayed partners meet full PTSD symptom criteria within months of discovery. The research framework is called post-infidelity stress disorder. ...

April 19, 2026 · 18 min · 3768 words · Dr. Sydney Ceruto