Autism with Autistic Disorder, individuals do not have any

Autism Spectrum Disorder is the
term used to describe a group of complex disorders of the development of the
brain (CDC 2014). There are several types of autism that are derived from
different environmental factors and genetic combinations. The most common type
is Autism Disorder. It is characterized by impaired speech and nonverbal communication,
challenges with social skills, and repetitive behaviors. Asperger Syndrome is
characterized by slighter symptoms of the Autism Disorder, including social
problems and unusual behavior.  Unlike
the people with Autistic Disorder, individuals do not have any intellectual
challenges or trouble with language. Persuasive Developmental Disorder is
diagnosed to someone who has some symptoms of both Autism Disorder and Asperger
Syndrome. They do not have all the symptoms and they could potentially have
only challenges with communication and social skills.

This disorder can usually be detected
during the first three years of life. At the infant stage, a common behavior that may be
exhibited are avoiding physical contact. Infants with autism are described as
either passive or excessively frantic babies. A passive baby is one who is often
quiet who demands his or her parent very rarely. An excessively frantic baby is
one who cries a lot, sometimes non-stop, while he or she is awake. Sometimes
these children develop the habit of rocking back and forth. At the toddler
stage, they might have begun talking, crawling, and walking, much earlier than expected,
or this gets considerably delayed. Autistic symptoms begin to develop somewhere
between 1 1/2 to 3 years of age. They are often referred to as having
‘regressive’ autism. During childhood, autistic children may have a delay in
the areas of communication, social skills, and cognition. They can be described as living in their own
world and antisocial towards others (CHW). They avoid making eye-contact with
others as well. One third of the people with autism do not speak and one in
every 88 children gets diagnosed with autism.

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There is no exact proven cause
of autism. Scientist have identified many rare genetic mutations and research
has identified more than 100 autism risk genes associated with autism. In about
15% of the cases of autism diagnosis, a cause of gene can be identified. In
most cases, there is a combination of environmental and biological factors,
such as, genetic predisposition to the disability (Autism Speaks 2014). The
most fluid proven evidence based on environmental factors, show events may
occur before or during birth. Such environmental factors may include, both
parents being of mid to older age at the time of conception, during pregnancy,
and during birth can have a major effect on the chance of a child getting autism.
Advanced parental age at time of conception, maternal illness during pregnancy,
severe prematurity, and very low birth weight are some of the factors that can
affect the onset of this disability. Increased levels of pesticides and air
pollution exposure can upsurge the risk of getting autism as well.

There is additionally proof
that the disorder might be caused by the failure of embryonic brain cells to
experience typical patterns of relocation amid early advancement, influencing
later cerebrum structure and wiring of nerve-cell circuits that control social,
dialect, development, and different capabilities.


A sex irregularity in the
quantity of influenced children (four times a larger number of guys than
females) proposes the disorder may likewise be identified with fetal
introduction to anomalous, elevated amounts of testosterone in utero; a
considerable lot of the attributes of autism are said to reflect male
psychological and behavioral inclinations, for example, orientation to detail
as opposed to the big picture, empathy for things instead of social experience,
accommodations for math and numbers, and even verbal impairment; mentally autistic
children can gather an extensive vocabulary without having the capacity to
maintain a discussion.