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What is Autism

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** What Is Autism? **

- What Is Autism? What is Autism Spectrum Disorder?-

 Autism spectrum disorder (ASD) and autism are both general terms for a
group of complex disorders of brain development. These disorders are
characterized, in varying degrees, by difficulties in social interaction,
verbal and nonverbal communication and repetitive behaviors. They include
autistic disorder, Rett syndrome, childhood disintegrative disorder,
pervasive developmental disorder-not otherwise specified (PDD-NOS) and
Asperger syndrome. With the May 2013 publication of the new DSM-5
diagnostic manual, these autism subtypes will be merged into one umbrella
diagnosis of ASD.

ASD can be associated with intellectual disability, difficulties in motor
coordination and attention and physical health issues such as sleep and
gastrointestinal disturbances. Some persons with ASD excel in visual
skills, music, math and art.

Autism appears to have its roots in very early brain development. However,
the most obvious signs of autism and symptoms of autism tend to emerge
between 2 and 3 years of age. Autism Speaks continues to fund research on

Source: www.autismspeaks.org/what-autism

Autism - Wikipedia, the free encyclopedia


** Autism **

From Wikipedia, the free encyclopedia
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This article is about the classic autistic disorder; some writers use the
word /autism/ when referring to the range of disorders on the autism
spectrum or to the various pervasive developmental disorders.^[1]
Page semi-protected

/Classification and external resources/
Young red-haired boy facing away from camera, stacking a seventh can atop a
column of six food cans on the kitchen floor. An open pantry contains many
more cans.
Repetitively stacking or lining up objects is a behavior sometimes
associated with individuals with autism.
ICD-10 F84.0
ICD-9 299.00
OMIM 209850
DiseasesDB 1142
MedlinePlus 001526
eMedicine med/3202 ped/180
MeSH D001321
GeneReviews · Autism overview

*Autism* is a disorder of neural development characterized by impaired
social interaction and verbal and non-verbal communication, and by
restricted, repetitive or stereotyped behavior. The diagnostic criteria
require that symptoms become apparent before a child is three years
old.^[2] Autism affects information processing in the brain by altering how
nerve cells and their synapses connect and organize; how this occurs is not
well understood.^[3] It is one of three recognized disorders in the autism
spectrum (ASDs), the other two being Asperger syndrome, which lacks delays
in cognitive development and language, and pervasive developmental
disorder, not otherwise specified (commonly abbreviated as PDD-NOS), which
is diagnosed when the full set of criteria for autism or Asperger syndrome
are not met.^[4]

Autism has a strong genetic basis, although the genetics of autism are
complex and it is unclear whether ASD is explained more by rare mutations,
or by rare combinations of common genetic variants.^[5] In rare cases,
autism is strongly associated with agents that cause birth
defects.^[6]Controversies surround other proposed environmental causes,
such as

Source: en.wikipedia.org/wiki/Autism

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