Autism L. Hernandez Autism is a group of disorders that affect how the brain develops. One in every 88 children in the United States has autism. The cause is unknown. Some scientists and doctors think it could be genetic or related to where a child lives. There is a range of different problems that a child with autism may have. If the case is mild, a child with autism might prefer to play alone because he or she struggles with making connections with other children. If his or her case is severe, loud noises and music or a lot of talking might upset a child with autism. Children with autism also have trouble understanding emotion. When a person is happy, for example, most people can tell by what their face looks like or what their voice sounds like. Children with autism have trouble understanding what another person might be thinking and feeling. Autistic children have brains that function differently than others'. The human brain is complicated and filled with more than 100 billion neurons, which are the brain cells that carry messages to different parts of the body. Neurons have a big job to do. They send messages to other nerve cells in the body and the brain, so people can see, feel, move, remember, talk, and do many other important things. The brains of children with autism do not make some of these connections. Choose the best summary of this article. A Autism is a group of disorders of the brain development. It has a range of problems and an unknown cause. Children with autism may face behavioral, social and emotional difficulties because their brains function differently than others’. The brains of children with autism have trouble making some necessary connections. B One in every 88 children in the U.S. has autism. There is a range of problems associated with autism. Some children with autism might want to play alone. Some children with autism may be upset by loud noise, music, or a lot of talking. C The cause of autism is unknown. It is known that for the kids with autism, the neurons in their brai