Attachement chez le nourrisson Attachment behavior in infants Mère et nourrisson Mother and infant Regression (Psychology) in infants Régression chez le nourrisson Attachement Attachment behavior Cross-Cultural Comparison Cross-cultural studies Études transculturelles FAMILY & RELATIONSHIPS Infant Infants Infants & Toddlers Life Stages Mère et enfant Mother and child Mother-Child Relations Nourrissons Object Attachment Regression (Psychology) Regression, Psychology Régression (Psychologie) infants