Autism are several types.But they are distinct the Autism types under the five types.

The five types of Autism are

Autism Disorder
Asperger’s Syndrome
Rett Disorder
Childhood Disintegrative Disorder
Pervasive Developmental Disorder Not Otherwise Specified (PDDNOS).

The five types of autism are considered due to the  Pervasive Developmental Disorders that are related to autism in which the neuro development portion has been found under the Autism spectrum.

Asperger’s Syndrome
People who are with the Asperger’s Syndrome have the difficulty in the reading of the body language and has difficulties over the body space determination.some of the persons can get the pain and in the bright lights has an high sensitivity.But they does not have any problem in learning.

Autism Disorder
It is also one of the leading childhood development disorder.This is otherwise called as Classic Autism.The autism disorder persons are having the problem over the speech formation or words to form speak and the repetitive actions.lack of emotion are found from the Autism disorder persons. high levels of  Visio-spatial skills, but major learning difficulties in other areas.

Rett Disorder
It is an neurological and the developmental disorder which is mostly occurs in the females.It is marked as the poor head growth.Rett Syndrome which interfering all  the body movements even in the eye gaze too and also the speech.The Rett disorder have the some of the autism symptoms and also suffer from the muscle lose.Girls with the Rett’s syndrome often have the very small hands and feet.They are inability to do the actions like the motor functions.

Childhood Disintegrative Disorder
This disorder does not seems much effects in the early stages of the children.It starts regress at the age from the 2 to 4 years.During the time of the effectiveness appearance in the child the Childhood Disintegrative Disorder which the children stop socializing,lost the potty training skills and stop the friends making.It includes severe regression over the communication skills and the motor skills.

Pervasive Developmental Disorder Not Otherwise Specified (PDDNOS)
It is not easily mention to be particular thing which it describes most of the different type of the Autism disorders.From the four types of autism it does not have the specific degree of the impairment.It does not consider into the above four types of autism.But the proper diagnosis has to be done for this by the use of the therapies.