In one pattern, called ‘avoidant attachment,’ the infants look like nothing really bothers them—they don’t cry when their mother goes away and they ignore her when she comes back. However, this does not mean that they are unaffected.
Van der Kolk introduces the Strange Situation phenomenology of avoidant attachment, establishing the defining paradox that apparent calm masks chronically elevated physiological distress.
, The Body Keeps the Score: Brain, Mind, and Body in the Healing of Trauma, 2014thesis