social-related MeSH terms

 Phobia, Social

Anxiety disorder characterized by the persistent and irrational fear, anxiety, or avoidance of social or performance situations.

Social Behavior Disorders

Behaviors which are at variance with the expected social norm and which affect other individuals.

Reactive Attachment Disorder

Markedly disturbed and developmentally inappropriate social relatedness that begins before age 5 and is associated with grossly pathological child care. The child may persistently fail to initiate and respond to social interactions in a developmentally appropriate way (inhibited type) or there may be a pattern of diffuse attachments with nondiscriminate sociability (disinhibited type). (From DSM-V)

Asperger Syndrome

A disorder beginning in childhood whose essential features are persistent impairment in reciprocal social communication and social interaction, and restricted, repetitive patterns of behavior, interests, or activities. These symptoms may limit or impair everyday functioning. (From DSM-5)

Autistic Disorder

A disorder beginning in childhood. It is marked by the presence of markedly abnormal or impaired development in social interaction and communication and a markedly restricted repertoire of activity and interest. Manifestations of the disorder vary greatly depending on the developmental level and chronological age of the individual. (DSM-V)

Hikikomori, pathological social withdraw, 繭居族  隱蔽青年