β
Due to persistently high elevation of stress hormones, which causes a reduction in the size of the hippocampus, survivors are often less able to put things in context and/or make critical distinctions about what is and what is not threatening in the present. Without this necessary discernment, survivors become more and more impulsive and less and less inhibited. In effect, what survivors are left with is a constantly hyperaroused autonomic nervous system, an inability to distinguish past from present threat.
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Linda Curran (101 Trauma-Informed Interventions: Activities, Exercises and Assignments to Move the Client and Therapy Forward)