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Autism is associated with several genetic disorders, [4] perhaps due to an overlap in genetic causes. [5] About 10–15% of autism cases have an identifiable Mendelian (single-gene) condition, chromosome abnormality, or other genetic syndrome, [6] a category referred to as syndromic autism.
Autism spectrum disorder [a] (ASD), or simply autism, is a neurodevelopmental disorder "characterized by persistent deficits in social communication and social interaction across multiple contexts" and "restricted, repetitive patterns of behavior, interests, or activities". [11] Sensory abnormalities are also included in the diagnostic manuals ...
Monotropic individuals have trouble processing multiple things at once, particularly when it comes to multitasking while listening. For example, some students have trouble taking notes in class while listening to a teacher [ 3 ] and may find it difficult to read a person's face and comprehend what they are saying simultaneously. [ 1 ]
Classic autism - (or Kanner's syndrome) the first described form of autism written about in 1943; Pervasive developmental disorder (PDD) – as opposed to specific developmental disorders (SDD), refers to a group of five disorders characterized by delays in the development of multiple basic functions including socialization and communication.
The term Asperger syndrome typically excluded a general language delay. [19] Other differences noted in features of high-functioning autism and Asperger syndrome included the following: [12] [20] [21] [22] Lower verbal reasoning ability; Better visual/spatial skills (Being uniquely artistically talented) Less deviating locomotion (e.g. clumsiness)
Special interests were later one of the traits listed when autism first appeared in the DSM-III in 1980. [2] In 2024, special interests are listed as a diagnostic trait of autism in the current DSM-5-TR, described as "highly restricted, fixated interests that are abnormal in intensity or focus (e.g., strong attachment to or preoccupation with ...
Classic autism, also known as childhood autism, autistic disorder, or Kanner's syndrome, is a formerly diagnosed neurodevelopmental disorder first described by Leo Kanner in 1943. It is characterized by atypical and impaired development in social interaction and communication as well as restricted, repetitive behaviors, activities, and interests.
Autism spectrum disorder (ASD) is referred to as syndromic when it is one of the many characteristics associated with a broader medical condition, generally a syndrome. Syndromic autism represents about 25% of the total ASD cases. [4] [5] In most [quantify] cases, its etiology is known. [2] [4]