Autism- Brain Disease

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Autism is the second types of brain disease. According to Scheruermann and Webber (2002), autism is a development of disorder that caused by neurological impairment affecting brain chemistry and or brain structure. Even the exact reason of the neurological impairment is not yet known, but it is mostly due to the genetic links. Nevertheless, this symptoms is well-defined, hence essential information for educational treatment been contributed. Understanding based on autistic symptomology is the best way to teach student with autism. Presently, there are three main theories explaining the existence of common symptoms. The first theory is a perceptual/cognitive theory. Autism children may have specific differences in capability of their thinking and the way they receive external input, due to the brain defects. They also have to withdraw, and have a complicated time making sense of or processing, physical phenomena because of they might be stimulated by auditory, visual, and tactile stimuli. A second theory is from a developmental explanation holds that brain defects is the reason individuals with autism difficult to evolve in language, cognition, social, and motor domains. Scheruermann and Webber also stated that, it is estimated that the students need to improve through developmentally sequenced experiences for them to expert the necessary skills just as children without disabilities because they are developmentally delayed. The last theory is the behavioral explanation, holds
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