Different Types of Autism

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In the recent years research has shown that there are basically different types of autism and even though it is a development disorder there are many levels in which it can be present within a person. Based on the symptoms of autism as to how mild it is in a child or adult or as to how severe it is these types are differentiated from each other.

Autistic Disorder is when the symptoms are extremely severe and can be seen at their worse in the child or the adult. The signs begin to show even before the child turns three as he or she is unable to smile even when he or she has aged six months or is unable to speak even after the completion of one whole year. Later on the child develops self-injurious tendencies which can be seen in both mild and violent forms. For instance, the child may develop habits of nail picking or coming in contact with a surface while rocking but among the violent habits are tendencies to bang the head against a hard surface repeatedly or severe arm biting.

PDD or Pervasive Developmental Disorder is one type of autism which is often referred to as mild autism. In this particular condition one can find the mild symptoms of autism to be present in the child and unlike severe autism the signs begin to show after the age of three and not before that. The child is often seen to be unable to communicate with others and also is found to be socially inactive thus unable to make friends with the other children of the same age. The children with PDD have a tendency to repeat lines and phrases that they have heard before and they go through frequent mood swings even at a very early age when they tend to get very upset over trivial issues.

Asperger’s Syndrome is another type of autism in which the child displays lack of social interaction skills. In this case the child has no problems in learning to speak or any difficulty in understanding language unlike as seen in the other forms of autism.  Stereotyped behavior is, however, common in this case and the child is often seen to develop habits of constantly flapping hands or of constantly rocking to and fro or swinging and these are not tics but rather ritualistic.

Rett’s Syndrome is also classified as PDD and in this case the child has problems in social interaction and communications but things usually begin to improve as they enter school life. Panic attacks, screaming fits, avoidance of eye-to-eye contact, sudden loss of speech – these are all very common symptoms of Rett’s.

Childhood disintegrative disorder or Heller’s Syndrome is another development disorder which causes the child to be unable to learn a language quickly or to be able to socialize with others. Socializing, playing, motor functioning, control over bowel and bladder – these are some of the fields in which the child losses all the skills that he or she might have acquired in the first ten years of his or her life.

Kanner’s Syndrome is a tern which is rarely used today and it refers to nothing but the severe form of autism in which the child is seen to having almost no social skills even at the age of three and later on. It is in this case that the child develops repetitive behavior and tends to follow a regular routine like dressing the same everyday and at the same time. As the child grows it can develop into Obsessive Compulsive Disorder or OCD and proper diagnosis of each of these autism types is important to make sure that nothing gets more severe than what it already is.