Bowlby believed if children were deprived of mental care for too long during the critical period they'd suffer mental retardation
Characterised by an abnormally low IQ
Demonstrated in studies of adoption. Goldfarb found lower IQ in kids who remained in institutions as opposed to being fostered - higher standard of emotional care
Emotional Development
Affectionless psychopathy - Inability to experience guilt/strong emotion for others
Prevents the person developing normal relationships - associated with criminality
Affectionless psychopaths lack remorse for their actions as they can't appreciate their victims' feelings