Medically reviewed by Kira Graves, PhD Key Takeaways Level 1 autism requires minimal support and includes challenges in communication and social skills. Level 2 autism needs more substantial support ...

There are three levels of autism spectrum disorder (ASD), which are described in the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-5). Each autistic person is diagnosed as ...

The terminology related to autism can be confusing. Hans Asperger, an Austrian psychiatrist and paediatrician, first identified a subset of children of average intelligence or above who otherwise ...