continued nurture from a mother or mother substitute within the first 2.5 years of life (critical period) is important for healthy psychological development
periods of separation from the mother within the critical period, where an element of care is lost, then psychological damage is inevitable and irreversible
Intellectual damage includes cognitive impairment, such as an intellectual delay, shown by abnormally low IQ
Emotional damage-affectionless psychopathy
This prevents the person developing normal relationships, associated with criminality, lack remorse
