(psychiatry) an abnormal absorption with the self; marked by communication disorders and short attention span and inability to treat others as people

Autism, formally called autism spectrum disorder or autism spectrum condition, is a neurodevelopmental disorder characterized by deficits in social communication and social interaction, and repetitive or restricted patterns of behaviors, interests, or activities, which can include hyper- and hyporeactivity to sensory input.

Autism is a fundamental symptom of schizophrenia coined by Swiss psychiatrist Eugen Bleuler in 1911.

The epidemiology of autism is the study of the incidence and distribution of autism spectrum disorders.

Autism is a peer-reviewed academic journal covering research on autism.

《不屬於我的世界》 是台灣歌手楊培安的第六張錄音室專輯，於2015年12月4日正式發行，一共收錄11首歌曲。