Traumatized individuals are not made whole through the therapeutic relationship alone. Even with the best of intentions, and highly developed empathic skills, a therapist often misses the mark here. The polyvagal theory and the Jacksonian principle of dissolution help us to understand why and how this happens.70 When the traumatized person is locked in either the immobilization response or the sympathetic arousal system, the social engagement function is physiologically compromised; the former, in particular, both inhibits sympathetic arousal and can almost completely suppress the social
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