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What is PTSD? NC PTSD expert defines symptoms, timing and risk factors
Summary
Dr. Rebecca Mateo explained PTSD's diagnostic threshold (one month after trauma), the four symptom clusters (reliving, avoidance, negative thoughts, hyperarousal), and common risk factors, stressing that social support is protective and many people recover with or without treatment.
Dr. Rebecca Mateo of the National Center for PTSD began the webinar by defining post-traumatic stress disorder and clarifying timing for diagnosis. "It is important to note that, PTSD can only be diagnosed after 1 month, since the onset of the traumatic event," she said, and noted that reactions before that point may be labeled acute stress disorder.
She described four symptom clusters clinicians use for diagnosis: reliving (flashbacks and nightmares), avoidance of reminders, persistent negative beliefs and emotional numbing, and hyperarousal (trouble concentrating, being easily startled). "No one walks the same path in their PTSD journey," she added, stressing individual variation.
Dr. Mateo summarized prevalence estimates given during the session: worldwide about 70% of people experience a traumatic event that could lead to PTSD in a lifetime, roughly 6% of Americans will have PTSD at some point, and about 2'to'3% of adults report active PTSD in a given year. She emphasized social support as a major protective factor and encouraged library and workplace staff to share resources and foster safe spaces for conversations.
