History of ASD
1943
Professor Leo Kanner described autism
1944
Dr. Hans Asperger outlines the symptoms of autism.
Asperger's syndrome is named after him.
1952
Introduction of the first edition of the Diagnostic and Statistical Manual of Mental Disorders DSM-1
1965
The founding of the National Society for Autistic Children, known today as The Autism Society of America.
1973
Dr.Ole Ivar Lovaas used Intensive Behavior Intervention (ABA) for the first time.
1977
A twin study performed by Susan Folsei and Michael Rutter suggests a genetic basis for autism
1980
Infantile Autism is added to the DSM-3
1981
Introduction of the term Asperger Sydrome
1994
Asperger's Disorder was added to the DSM-IV.
2004
The Individuals with Disabilities Education Improvement Act was passed.
2013
Classification of Autistic Disorder, Asperger's Disorder, Childhood Disintegrative Disorder, and PDD-NOS into one diagnosis of Autism Spectrum Disorder DSM-5
2020
Autism Insurance Reform in 50 states.