Background on the case study The subject of this case study is a male child who is approximately four years and six months old. The child (IA) lives with his parents, two older brothers, a younger one, and an uncle, in an urban area of ​​Los Angeles. Both parents are workers, exposed to cleaning chemicals. According to parental report, there is a history of motor coordination, balance, attention deficit, depression, mild language delay, autism, and social difficulties. The father reported having motor coordination and attention problems, the older brother was assessed with Asperger's (ASD) and another with mild social difficulties, attention disorder and motor coordination. The prenatal, birth and perinatal history of IA is as follows, after the first quarterly spotting it appears that the mother was treated with progesterone, normal fetal activity. Mother gains 65 lbs. after which she had spotting at 35 weeks gestation, IA was born after 36 weeks gestation, normal delivery, weight 6 lbs. 9 oz He was sent home, developed jaundice, and began home phototherapy. However, IA developed difficulties with breastfeeding; the mother had problems with sucking. Additionally, mother AI notes fluctuation in tone, stiffness, arching, and hypersensitivity. However, other days the AI ​​becomes hypotonic and inactive. At one month of age, the pediatrician directed the AI ​​to be evaluated; The occupational therapist reported that IA exhibited low facial muscle tone, difficulty with coordination and sucking. At the age of three, IA, was enrolled in a special class, with the eligibility of intellectual disability, however, IA was diagnosed with autism spectrum syndrome. In reviewing his assessments, he shows signs of...... middle of paper ......l Response Treatment for Autism: http://www.koegelautism.com/about-pivotal-response-training .htmlKoegel, L. K., Koegel, R. L., Harrower, J. K., & Carter, C. M. (1999). Core response intervention I: Overview of the approach. Journal of the Association for People with Severe Handicaps, 24(3. 174-185). Retrieved from http://www.chicagochildrensclinic.com/forms/Koegel,%20Koegel,%20Harrower,%20Carter%20(1999)%20PRT%20I%20and%20II.pdfLeaf, R., & McEachin, J. (1999 ). A work in progress. New York, NY: DRL Books Inc. Sousa, D. A. (2007). How the special needs brain learns (2nd ed.). Thousand Oaks, CA: Corwin Press.Vega MD, J., Ph.D. (2008). What is the cerebral cortex?. Retrieved December 12, 2013, from http://stroke.about.com/od.glossary/g/cortex.htmWebMD. (2009). Center for Brain and Nervous System Health. Retrieved from http://www.webmd.com/brain/picture-of-the-brain