This may be the exception as opposed to the rule but, nonetheless, Rutter (1998), has found that developmental catch up following adoption after
severe global
privation will, in fact, occur in the younger child as long as families remain involved and provide developmental - psychological interventions.
[jounal] Rutter, M. / 1999 / Quasi-autistic patterns following
severe early global
privation / Journal of Child Psychology and Psychiatry and Allied Disciplines 40: 537 ~ 549