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High-functioning autism is characterized by features similar to those of Asperger syndrome. The defining characteristic recognized by psychologists is a significant delay in the development of early speech and language skills, before the age of three years. [ 12] The diagnostic criteria of Asperger syndrome exclude a general language delay.
from birth. Pervasive developmental disorder not otherwise specified ( PDD-NOS) [1] is a historic psychiatric diagnosis first defined in 1980 that has since been incorporated into autism spectrum disorder in the DSM-5 (2013). According to the earlier DSM-IV, PDD-NOS referred to "mild or severe pervasive deficits in the development of reciprocal ...
The Treatment and Education of Autistic and Related Communication Handicapped Children (TEACCH) philosophy recognizes autism as a lifelong condition and does not aim to cure but to respond to autism as a culture. [2] Core tenets of the TEACCH philosophy include an understanding of the effects of autism on individuals; use of assessment to ...
Pervasive developmental disorder. The diagnostic category pervasive developmental disorders ( PDD ), as opposed to specific developmental disorders (SDD), was a group of disorders characterized by delays in the development of multiple basic functions including socialization and communication. It was defined by the Diagnostic and Statistical ...
The Autism Diagnostic Observation Schedule ( ADOS) is a standardized diagnostic test for assessing autism spectrum disorder. The protocol consists of a series of structured and semi-structured tasks that involve social interaction between the examiner and the person under assessment. The examiner observes and identifies aspects of the subject's ...
The Autism Diagnostic Interview-Revised ( ADI-R) is a structured interview conducted with the parents of individuals who have been referred for the evaluation of possible autism or autism spectrum disorders. The interview, used by researchers and clinicians for decades, can be used for diagnostic purposes for anyone with a mental age of at ...
For many adults with autism, finally getting a diagnosis is a relief. (Photos, left to right, courtesy of Sarah Nannery, Gavin Bollard, Rebecca Dingwell/Snickerdoodle Photography and Morgan Harper ...
The pathophysiology of autism is the study of the physiological processes that cause or are otherwise associated with autism spectrum disorders . Autism's symptoms result from maturation-related changes in various systems of the brain. [1] How autism occurs is not yet well understood. Its mechanism can be divided into two areas: the ...