What is the exact definition of autism?

What is the exact definition of autism?

Autism is a lifelong, nonprogressive neurological disorder typically appearing before the age of three years. The word “autism” means a developmental disability significantly affecting verbal and non-verbal communication and social interaction.

What was the first definition of autism?

The term autism first was used by psychiatrist Eugen Bleuler in 1908. He used it to describe a schizophrenic patient who had withdrawn into his own world. The Greek word ”autós” meant self and the word “autism” was used by Bleuler to mean morbid self-admiration and withdrawal within self.

What is autism definition PDF?

Autism, often referred to as autistic disorder or infantile autism, is a complex behavioral disorder which, by definition, develops prior to age three years. Autism is defined completely on the basis of impairments in social interaction, impairments in communication, and repetitive and stereotypic behaviors.

What are the types of autism?

There are five major types of autism which include Asperger’s syndrome, Rett syndrome, childhood disintegrative disorder, Kanner’s syndrome, and pervasive developmental disorder – not otherwise specified.

What is the root of the word autism?

The word “autism” is composed of two parts, “aut” and “ism.” The prefix of the word is “aut,” which comes from the Greek word “autós,” meaning “self.” The suffix “ism,” also from Greek, implies a state of being or condition.

How is autism caused?

Some genetic mutations seem to be inherited, while others occur spontaneously. Environmental factors. Researchers are currently exploring whether factors such as viral infections, medications or complications during pregnancy, or air pollutants play a role in triggering autism spectrum disorder.

How does the DSM 5 define autism?

DSM-5 criteria for autism diagnosis. Professionals diagnose autism spectrum disorder on the basis of difficulties in two areas – ‘social-communication’, and ‘restricted, repetitive and/or sensory behaviours or interests’.

What are characteristics of autism?


  • atypical speech patterns and tone of voice.
  • late development of speech skills.
  • difficulty maintaining or responding to conversation.
  • limited eye contact.
  • limited response to social interaction.
  • repetitive speech and behavior patterns.
  • difficulty in understanding other people’s feelings and expressing their own.

How can you cure autism?

No cure exists for autism spectrum disorder, and there is no one-size-fits-all treatment. The goal of treatment is to maximize your child’s ability to function by reducing autism spectrum disorder symptoms and supporting development and learning.

How autism is caused?