X/fulltext) suggests that brain activity in specific regions before experiencing a traumatic event may help predict whether ...

Witnessing trauma changes the brain differently than experiencing it, needing tailored PTSD treatment approaches.

Amygdala hyperactivity in PTSD: disentangling predisposing from consequential factors in a prospective longitudinal design. Biological Psychiatry , 2025; DOI: 10.1016/j.biopsych.2025.02.894 Cite ...

Scientists know that in PTSD, the stress circuitry in the brain goes awry, disrupting communication between several brain centers. These include the amygdala, which normally monitors incoming ...

New research reveals that witnessing trauma triggers unique brain changes, distinct from those caused by experiencing trauma ...

Researchers discovered distinct molecular differences in how the brain processes directly experienced versus witnessed trauma -- a finding that could lead to more targeted treatments for PTSD.

The molecular mechanisms in the brain that drive PTSD are not well understood ... who were studying gene expression in the mouse amygdala—a part of the brain is activated by fear and stress. They ...

After about 18 months, the police officers in training were asked what they had experienced and whether they experienced any PTSD symptoms. ‘We saw that people who had a more active amygdala ...

Individuals with a more active amygdala are more prone to developing PTSD symptoms following trauma. This conclusion is based on a study involving police officers, who were assessed before ...