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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 ...
Among these measurements, the Autism Diagnostic Interview-Revised (ADI-R) and the Autism Diagnostic Observation Schedule (ADOS) are considered the "gold standards" for assessing autistic children. [ 24 ] [ 25 ] The ADI-R is a semi-structured parent interview that probes for symptoms of autism by evaluating a child's current behavior and ...
Children with this disorder have difficulty understanding words and sentences. This impairment is classified by deficiencies in expressive and receptive language development that is not attributed to sensory deficits, nonverbal intellectual deficits, a neurological condition, environmental deprivation or psychiatric impairments.
The University of North Carolina TEACCH Autism Program creates and disseminates community-based services, training programs, and research for individuals of all ages and skill levels with autism spectrum disorder (ASD), to enhance the quality of life for them and their families across the lifespan. [1]
A late talker is a toddler experiencing late language emergence (LLE), [2] [3] which can also be an early or secondary sign of an autism spectrum disorder, or other neurodevelopmental disorders such as fetal alcohol spectrum disorder, attention deficit hyperactivity disorder, intellectual disability, learning disability, social communication disorder, or specific language impairment.
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 is diagnosed in about 1 in 36 children, and in an estimated 2.2% of adults nationwide, according to the Centers for Disease Control and Prevention, which defines autism as a ...
The scientific study of the causes of developmental disorders involves many theories. Some of the major differences between these theories involves whether environment disrupts normal development, if abnormalities are pre-determined, or if they are products of human evolutionary history which become disorders in modern environments (see evolutionary psychiatry). [5]