The first person diagnosed with autism was Donald Triplett, known as "Case 1," by psychiatrist Leo Kanner in 1943, though earlier historical figures displayed autistic traits, and Russian psychologist Grunya Sukhareva described similar patterns in 1925 before Kanner. Triplett, born in Mississippi, showed social withdrawal and repetitive behaviors, becoming a foundational case for understanding autism as a distinct condition.
Donald Gray Triplett (September 8, 1933 – June 15, 2023) was an American banker known for being the first person diagnosed with autism. He was diagnosed by Leo Kanner in 1943 and was labeled as "Case 1".
Donald Triplett, a young boy from Forest, MS, made history when he became the first documented case of autism in the 1940s. But his diagnosis never defined him — and his story became one of independence, intelligence, and community support.
Donald Triplett, who was the first person to be diagnosed with autism, died last week in his hometown of Forest, Mississippi, at age 89. The cause of death was cancer, according to The New York Times.
Around 90% of autism cases are attributed to genetic factors, meaning autism is highly heritable, with many different genes contributing, rather than a single cause, often interacting with environmental influences during early brain development, though specific environmental factors don't cause it but can increase risk. Twin studies show strong genetic links, with concordance rates between 60-90% in identical twins, and research points to complex interactions of many genes and prenatal/perinatal factors.
Donald Triplett, autism's 'Case 1,' dies at 89. Triplett gained media attention for his autism later in life, and he became the face of the effort to research the lives of older adults with autism.
The "6-second rule" for autism is a communication strategy where a speaker pauses for about six seconds after asking a question or giving information, giving the autistic person extra time to process it without feeling rushed, which helps reduce anxiety and allows for a more thoughtful response, reducing frustration for both parties. Instead of repeating or rephrasing, which can be confusing, you wait, and if needed, repeat the exact same words after the pause.
The researchers pointed out that nearly half of autistic individuals show typical or advanced cognitive abilities. Still, many of these individuals might not be recognized or diagnosed because their strengths could mask other traits of autism that often lead to a diagnosis.
Elon Musk
Elon Musk, the CEO of Tesla and SpaceX, is one of the most well-known figures in modern technology. What many people don't know is that he has been diagnosed with Asperger's syndrome, which is a form of autism.
Clinicians who encountered autism in the 1950s and 1960s called it by many names. Among them were Kanner's syndrome (named after Leo Kanner), early infantile autism, hyperkinetic disease, and Heller's disease (based on 1908 description by Austrian educator Theodor Heller), also known as dementia infantilis.
She also reported difficulties with social interactions in childhood and adolescence. The diagnosis of autism came later in elementary school by a psychiatrist. At age nine years and at age twelve years, her IQ was tested with the Wechsler. Her full-scale IQ was 120 on the first test and 137 on the second test.
The longest living autistic person known is Donald Gray Triplett, famously known as “Case 1,” who was the first person ever diagnosed with autism. He lived until 89 years old, passing away in 2023.
Yes, a majority of autism cases are linked to inherited genetic mutations that run in families. Can You Develop Autism? Autism takes root during fetal development. No evidence suggests you can develop autism later in life.
Kanner syndrome
The specific pattern of 'abnormal behaviour' first described by Leo Kanner is also known as 'early infantile autism'. Kanner made no estimate of the possible numbers of people with this condition but he thought that it was rare (Kanner, 1943).
There is no cure for autism spectrum disorder, and there is no one-size-fits-all treatment. Treatment seeks to support your child's learning, development and behavior.
The different types of autism include autism spectrum disorder (ASD), autistic disorder (classic autism), Asperger's syndrome, pervasive developmental disorder not otherwise specified (PDD-NOS), childhood disintegrative disorder (CDD), and Rett syndrome.
Research has shown that many autistic individuals score in the gifted range (140+ IQ) compared to the general population, indicating a high prevalence of above-average intelligence among those with autism. This suggests that there is a connection between autism and high IQ.
think about who you are behind the mask, what you like and dislike, and how and when you could unmask to better reflect your true interests, values, sensory profile and identity – you could do this in therapy, by journaling, meditating or in discussion with other autistic people or people who know you well.
The Disney 3-2-1 rule is a popular, unofficial planning strategy to make park days less overwhelming by focusing on three core priorities: 3 must-do rides, 2 key entertainment experiences (like shows, parades, or character meets), and 1 special dining reservation or treat, with everything else considered a bonus. This fan-created framework helps manage expectations, reduces decision fatigue, and ensures a magical, burnout-free day by setting achievable goals rather than trying to do everything.
Understanding 'Autistic-Coded' Disney Characters
Popular Disney characters like Belle, Elsa, Anna, and Rapunzel are often discussed in this context. These characters may display social challenges, intense interests, or unique ways of expressing emotions, leading audiences to interpret them through an autistic lens.
While captive in the fish tank, Nemo meets a diverse group of fish from all different backgrounds. However, one fish, in particular, can relate to Nemo on a different level. Gill is a Moorish idol fish, who also suffers from the same physical disability as Nemo, both suffering from a deformed fin.
Chinning is a form of repetitive self-stimulatory behavior (stimming) that you may notice in children or adults with autism. It involves pressing, rubbing, or holding the chin against objects, surfaces, or even hands to gain sensory input or comfort.
Children with autism may exhibit rigidity, inflexibility and certain types of repetitive behavior such as: Insistence on following a specific routine. Having difficulty accepting changes in the schedule. A strong preoccupation with a particular interest.
In general, people who have an active lifestyle are much more emotionally resilient and focused. There also seems to be some evidence that physical exercise helps people with depression and ADHD, which are commonly co-occurring conditions with autism.