Highly traumatized and chronically neglected or abused individuals are dominated by the immobilization/shutdown system. On the other hand, acutely traumatized people (often by a single recent event and without a history of repeated trauma, neglect or abuse) are generally dominated by the sympathetic fight/flight system. They tend to suffer from flashbacks and racing hearts, while the chronically traumatized individuals generally show no change or even a decrease in heart rate. These sufferers tend to be plagued with dissociative symptoms, including frequent spacyness, unreality,
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