Attachement Attachment behavior Attachment disorder Child Children Clinical Psychology Developmental Disabilities Developmentally disabled Enfants Êtres humains Homo sapiens (species) Human beings Humans Intellectual Disability Object Attachment PSYCHOLOGY Parent and child Parent-Child Relations Parents et enfants People with mental disabilities Personnes atteintes de troubles du développement Personnes ayant une déficience intellectuelle Persons with Mental Disabilities Troubles de l'attachement children (people by age group) mentally handicapped psychology