Attachment theory focuses on the tendency of infants or children to seek proximity to a particular attachment figure (familiar caregiver), in situations of alarm or distress, behavior which appears to have survival value. This is known as a discriminatory or selective attachment. Subsequently, the child begins to use the caregiver as a base of security from which to explore the environment, returning periodically to the familiar person. Attachment is not the same as love and/or affection although they are often associated. Attachment and attachment behaviors tend to develop between the ages of six months and three years. Infants become attached to adults who are sensitive and responsive in social interactions with the infant, and who remain as consistent caregivers for some time. Caregiver responses lead to the development of patterns of attachment, that in turn lead to internal working models which will guide the individuals feelings, thoughts, and expectations in later relationships. For a diagnosis of reactive attachment disorder, the childs history and atypical social behavior must suggest the absence of formation of a discriminatory or selective attachment. The pathological absence of a discriminatory or selective attachment needs to be differentiated from the existence of attachments with either typical or somewhat atypical behavior patterns, known as styles or patterns. There are four attachment styles ascertained and used within developmental attachment research. These are known as secure, anxious-ambivalent, anxious-avoidant, (all organized) and disorganized. The latter three are characterised as insecure.
In pediatric medicine, acrocephalosyndactyly is the common presentation of craniosynostosis and syndactyly. When there is also polydactyly the classification is acrocephalopolysyndactyly. Cause
Diagnosis
Classification
It has several different types:

type I – Apert syndrome: 577 
type II – Crouzon syndrome: 577 
type III – Saethre–Chotzen syndrome
type IV – Goodman Syndrome
type V – Pfeiffer syndromeA related term, acrocephalopolysyndactyly, refers to the inclusion of polydactyly to the presentation. It also has multiple types:

type I – Noack syndrome; now classified with Pfeiffer syndrome
type II – Carpenter syndrome
type III – Sakati–Nyhan–Tisdale syndrome
type IV – Goodman syndrome; now classified with Carpenter syndrome
type V – Pfeiffer syndromeIt has been suggested that the distinction between "acrocephalosyndactyly" versus "acrocephalopolysyndactyly" should be abandoned. Treatment
See also
List of skin conditions
Oxycephaly

References
External links

Acrocephalosyndactylia at the US National Library of Medicine Medical Subject Headings (MeSH)