Attachment behaviour and caregiving behaviour are complementary to each other because they behave in ways that secure an attachment.
In a 1951 report, Bowlby claimed that children who were deprived of maternal care for prolonged periods of time during early childhood suffered some degree of intellectual, social, or emotional deficiency later in life.
In extreme cases of children being deprived of maternal care, their condition could potentially result in “affectionless psychopathy”, a term coined by Bowlby,