Hooper, S. R., Hammer, J., & Roberts, J. E. 2010 Citation Hooper, S. R., Hammer, J., & Roberts, J. E. (2010). Down syndrome. In R. Nass & Y. Frank (Eds.), Cognitive and behavioral abnormalities of pediatric diseases (pp. 159-169). New York, NY: Oxford University Press. Author Profile(s) Stephen R. Hooper Area(s) of WorkAutism & Developmental DisabilitiesTypeBooks and Book Chapters