Reactive Attachment Disorder, or RAD, is a fairly common disorder. It occurs when a child fails to attach to his or her primary caregiver. A history of abuse as well as underdeveloped social skills are some symptoms.

Yes there is

Information and support regarding attachment, bonding, and attachment disorders, including reactive attachment disorder (RAD). attachment.adoption.com

That may come under the category of attachment disorder. See related link.

That may come under the category of attachment disorder. See related link.

That may come under the category of attachment disorder. See related link.

That may come under the category of attachment disorder. See related link.

Hello How attachment disorder related with step child I think step childs has also this sickness too when they have to live new mom and dad.