Article 1 animal experiment 1 animal tissue 1 association 1 childhood adversity 1 controlled study 1 experimental behavioral test 1 hypothalamic paraventricular nucleus 1 lateral septal nucleus 1 male 1 maternal deprivation 1 maternal separation 1 medial amygala 1 medial amygdala 1 medial prefronatal cortex medial prefrontal cortex 1 nerve cell plasticity 1 nonhuman 1 nucleus accumbens 1 rat 1 reward 1 social interaction 1 social novelty 1