Autism spectrum disorder (ASD) is a neurological disorder (a "brain" disease) characterized by the presence of persistent (ongoing) communication and social issues. It is a developmental disorder, which begins in early childhood and continues throughout life. Autism spectrum disorder affects most every aspect of life along the way. Cognitive (thinking and language) and social skills are typically developmentally delayed compared to their peers without the disorder. However, their motor (movement) skills develop in a more typical way.
Specific social interaction, communication and behavioral problems must be present before the diagnosis can be made. Though all people with autism show the same overall pattern of impairments, the severity of these issues will vary from case to case. Some people show mild impairments and others have more severe issues.
From a very early age, children with autism spectrum disorder demonstrate difficulties in interacting with other people...More