February 15, 2012 The core elements of the PTSD construct  consist primarily of  the three  “symptom-domains”,  of  “Intrusive Symptoms” (such as flashbacks), “Over-Arousal” (such as heightened vigilance and exaggerated startle-response), and ‘Avoidance”. This is the most common outcome to a single, life-threatening event  (or Type-I Trauma). In contrast, individuals subjected to repeated physical  or emotional “abuse”, Read more…