Autism was first described by :

Question

Accepted Answer

Autism was first described by Leo Kanner, which is why Option 1 is the correct answer. In 1943, Leo Kanner, an Austrian-American psychiatrist, published a seminal paper titled "Autistic Disturbances of Affective Contact," where he detailed the cases of 11 children who exhibited a unique set of behavioral characteristics. Kanner's work is widely recognized as the first formal description of autism as a distinct clinical condition, and he is credited with introducing the term "early infantile autism" to describe these behaviors.

Now, let's explain why the other options are incorrect:

2. Down: John Langdon Down was a British physician who is best known for his work on Down syndrome, a genetic disorder caused by the presence of an extra chromosome 21. He did not describe autism, and his contributions are unrelated to the study of autism.

3. Skinner: B.F. Skinner was an American psychologist known for his work in behaviorism and the development of the theory of operant conditioning. While Skinner's research has influenced various fields, including education and psychology, he did not describe or contribute to the initial understanding of autism.

4. Sigmund Freud: Sigmund Freud was an Austrian neurologist and the founder of psychoanalysis. His work primarily focused on the unconscious mind, dreams, and the development of psychoanalytic theory. Freud did not describe autism, and his theories are not directly related to the identification or understanding of autism as a clinical condition.

In summary, Leo Kanner is the correct answer because he was the first to describe autism as a distinct clinical entity, making Option 1 the accurate choice.