OXTR and Anxiety: It has already been shown that genetic variants in the human AVPR1A, AVPR1B, and OXTR genes are associated with the diversity of perception of social signals (empathy, emotional intelligence, eye contact, face “reading,” autism), prosociality (trust, altruism, generosity, loyalty), social tolerance (aggressiveness, competition), and anxiety [7,8,16,17] that contributes to the variability of personality types appearing in human population.