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Autism is a brain development disorder characterized by impairments in social interaction and communication, and restricted and repetitive behavior, all exhibited before a child is three years old. These characteristics distinguish autism from milder autism spectrum disorders (ASD).

Heritability contributes a large fraction of the risk of a child's developing the disorder, although the genetics of autism are complex, and it is generally unclear which genes are responsible.[1] In rare cases, autism is strongly associated with agents that cause birth defects.[2] Other proposed causes, such as the exposure of children to vaccines, are controversial and the vaccine hypotheses are unsupported by convincing scientific evidence.[3] Most recent reviews estimate a prevalence of one to two cases per 1,000 people for autism, and about six per 1,000 for ASD, with ASD averaging a 4.3:1 male-to-female ratio. The number of people known to have autism has increased dramatically since the 1980s, at least partly due to changes in diagnostic practice; the question of whether prevalence has increased is unresolved.[4]

Autism affects many parts of the brain; how this occurs is poorly understood. Parents usually notice signs in the first year or two of their child's life. Early intervention may help children gain self-care and social skills, although few of these interventions are supported by scientific studies. There is no cure.[5] With severe autism, independent living is unlikely; with milder autism, there are some success stories for adults,[6] and an autistic culture has developed, with some seeking a cure and others believing that autism is a condition rather than a disorder.[7]

2007-10-16 07:03:25 · answer #1 · answered by dallaslibra 4 · 0 0

Hi there, Autism is a condition that affects a persons brain.

I will start off by telling you I'm not a doctor, so I won't fill this answer with complex medical terms, but I'm an English teacher in Thailand who currently has an autistic student in my grade 1 class.

Autism is a condition that seems to affect a persons ability to concentrate. They can have absolutely amazing memories, but they may not be able to focus on an activity for long periods of time.

On the other hand, an autistic person can become completely fixated on something, and take a long time to get their mind off it!

I must say that I am fascinated by my student. He is the best speller in the class by a mile, he is also excellent at mimicking and he has very good pronunciation. He is one of the best readers in the class.

People who have autism can have some physical deformities, possibly slower growth than other children. But these abnormalities seem to be minimal.

I believe that people with Autism can lead nearly normal lives, and in some cases have the opportunity to excel!

I recommend watching the movie "A beautiful mind" staring Russell Crowe as an autistic man.

Autistic people are very unique and special, and I believe I am very lucky to have seen first hand how incredible these people are!

I hope this information proves useful to you!

If you are interested in travel, here is a great website: http://www.thaistyle.co.nz/ A thaistyle world travel guide.

Good luck on the journey that life brings!

2007-10-16 11:48:00 · answer #2 · answered by Lord Maximus 1 · 1 1

Autism is a pervasive developmental disorder, the actual cause of which is unknown. It is congenital. It has no cure.
Usual signs and symptoms include the very obvious lack of social interaction (classic would be a kid who cant establish eye contact). They also usually have fixations (thus, they are said to be great in one particular aspect such as puzzles or music), frequent tantrums. repeptitive movements (head-banging), and often have language impairment.
These symptoms should prompt the patient to bring their kid to a pediatrician for evaluation. Though it has no cure, many behavioral treatments can help these children "regain" some normal functioning such as regimented schedules and even social interaction.

2007-10-16 11:36:21 · answer #3 · answered by lost in US 2 · 0 0

autism is a neurological disorder that prevents a person from interacting with the world. it can be very mild or very severe. it's hard to diagnose a child before the age of 2. if you are referring to an adult, they have several characteristic hand movements, such as flapping close to the face. they like things to be in a certain order and can get upset when the order or their routine is changed. they are very intelligent, but can't express themselves well so they seem mentally handicapped. these sites explain it better than I can.

2007-10-16 11:39:23 · answer #4 · answered by wendy_da_goodlil_witch 7 · 1 1

Go to this web site it should help you
http://autism.about.com/od/whatisautism/a/whatisautism2.htm

2007-10-16 11:35:08 · answer #5 · answered by summer_rayne 3 · 0 0

Autism is a complex developmental disability that typically appears during the first three years of life and is the result of a neurological disorder that affects the normal functioning of the brain, impacting development in the areas of social interaction and communication skills. Both children and adults with autism typically show difficulties in verbal and non-verbal communication, social interactions, and leisure or play activities. One should keep in mind however, that autism is a spectrum disorder and it affects each individual differently and at varying degrees.

Autism is one of five disorders that falls under the umbrella of Pervasive Developmental Disorders (PDD), a category of neurological disorders characterized by “severe and pervasive impairment in several areas of development.”

Autism is a spectrum disorder, and although it is defined by a certain set of behaviors, children and adults with autism can exhibit any combination of these behaviors in any degree of severity. Two children, both with the same diagnosis, can act completely different from one another and have varying capabilities.

Every person with autism is an individual, and like all individuals, has a unique personality and combination of characteristics. Some individuals mildly affected may exhibit only slight delays in language and greater challenges with social interactions. They may have difficulty initiating and/or maintaining a conversation. Their communication is often described as talking at others instead of to them. (For example, monologue on a favorite subject that continues despite attempts by others to interject comments).

People with autism also process and respond to information in unique ways. In some cases, aggressive and/or self-injurious behavior may be present. Persons with autism may also exhibit some of the following traits:


Insistence on sameness; resistance to change

Difficulty in expressing needs, using gestures or pointing instead of words

Repeating words or phrases in place of normal, responsive language

Laughing (and/or crying) for no apparent reason showing distress for reasons not apparent to others

Preference to being alone; aloof manner

Tantrums

Difficulty in mixing with others

Not wanting to cuddle or be cuddled

Little or no eye contact

Unresponsive to normal teaching methods

Sustained odd play

Spinning objects

Obsessive attachment to objects

Apparent over-sensitivity or under-sensitivity to pain

No real fears of danger

Noticeable physical over-activity or extreme under-activity

Uneven gross/fine motor skills

Non responsive to verbal cues; acts as if deaf, although hearing tests in normal range.

For most of us, the integration of our senses helps us to understand what we are experiencing. For example, our sense of touch, smell and taste work together in the experience of eating a ripe peach: the feel of the peach's skin, its sweet smell, and the juices running down your face. For children with autism, sensory integration problems are common, which may throw their senses off they may be over or under active. The fuzz on the peach may actually be experienced as painful and the smell may make the child gag. Some children with autism are particularly sensitive to sound, finding even the most ordinary daily noises painful. Many professionals feel that some of the typical autism behaviors, like the ones listed above, are actually a result of sensory integration difficulties.

There are also many myths and misconceptions about autism. Contrary to popular belief, many autistic children do make eye contact; it just may be less often or different from a non-autistic child. Many children with autism can develop good functional language and others can develop some type of communication skills, such as sign language or use of pictures. Children do not "outgrow" autism but symptoms may lessen as the child develops and receives treatment.

The central features of Autistic Disorder are the presence of markedly abnormal or impaired development in social interaction and communication and a markedly restricted repertoire of activity and interest. The manifestations of this disorder vary greatly depending on the developmental level and chronological age of the individual.

A. A total of six (or more) items from (1), (2), and (3), with at least two from (1), and one each from (2) and (3):

1. Qualitative impairment in social interaction, as manifested by at least two of the following:

Marked impairment in the use of multiple nonverbal behaviors such as eye to-eye gaze, facial expression, body postures, and gestures to regulate social interaction

Failure to develop peer relationships appropriate to developmental level

A lack of spontaneous seeking to share enjoyment, interests, or achievements with other people (e.g., by a lack of showing, bringing, or pointing out objects of interest)

Lack of social or emotional reciprocity

2. Qualitative impairments in communication as manifested by at least one of the following:

Delay in, or total lack of, the development of spoken language (not accompanied by an attempt to compensate through alternative modes of communication such as gestures or mime)

In individuals with adequate speech, marked impairment in the ability to initiate or sustain a conversation with others

Stereotyped and repetitive use of language or idiosyncratic language

Lack of varied, spontaneous make-believe play or social imitative play appropriate to developmental level

3. Restricted repetitive and stereotyped patterns of behavior, interests, and activities, as manifested by at least one of the following:

Encompassing preoccupation with one or more stereotyped patterns of interest that is abnormal either in intensity or focus

Apparently inflexible adherence to specific, nonfunctional routines or rituals

Stereotyped and repetitive motor mannerisms (e.g., hand or finger flapping or twisting, or complex whole-body movements)

Persistent preoccupation with parts of object

B. Delays or abnormal functioning in at least one of the following areas, with onset prior to age 3 years:

Social interaction

Language as used in social communication

Symbolic or imaginative play

C. The disturbance is not better accounted for by Rett's Disorder or Childhood Disintegrative Disorder.

2007-10-16 13:37:53 · answer #6 · answered by helpnout 6 · 0 0

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