The optimal mental health developmental is formed in early life, through the bond between the baby and his primary caregiver, which is described by attachment. Attachment in children is a strong bond to find closeness and contact with certain figures, and in certain situations, especially when experiencing fear, fatigue or illness. Maternal sensitivity and physical contact between mother and baby is one of the sensory systems learning, which will be followed by reciprocal processes as adults, and behaviors that decrease from mother to child. There are neurobiological roles such as the oxytocin and dopaminergic systems that contribute to care by the mother, affective conditions in the mother, and growth also mental development in children.