<unk><unk><unk>  (ASDs) are developmental<unk>  that begin in early childhood, persist throughout adulthood, and affect three crucial areas of development: communication, social interaction and restricted patterns of behavior. There are many<unk>  such as fragile X syndrome and epilepsy. In medicine and in psychiatry,<unk> ity is the presence of one or more additional<unk>  co-occurring with the primary one, or the effect of such additional<unk> . About 10–15% of<unk>  cases have an identifiable Mendelian (single-gene)<unk>  chromosome abnormality, or other genetic syndrome, and ASD is associated with several genetic<unk> , perhaps due to an overlap in genetic causes. Distinguishing between ASDs and other diagnoses can be challenging because the traits of ASDs often overlap with symptoms of other<unk>  and the characteristics of ASDs make traditional diagnostic procedures difficult.
Conditions comorbid to autism spectrum disorders
Sex differences in autism
Causes of autism
Effects of domestic violence on children
Impact of health on intelligence
Societal and cultural aspects of Tourette syndrome
Cause of obsessive-compulsive disorder
Outline of autism