Supported by K.C.Wong Education Foundation (Hong Kong), assistant Professor Yonghui Jiang from Duke University visited Behavioral Genetics Centre of our institute and gave a lecture entitled as “Epimutations in Growth Retardation and Overgrowth-Beckwith-Wiedemann and Russell-Silver Syndromes” on Feb.9th, 2009. He discussed with students in our lab about experimental technology on the current collaborative research projects: Genetic and Epigenetic analysis of autism susceptibility. Also, Dr. Jiang discussed some interesting topics with related members in our lab, kindly providing valuable suggestions and clues for our future research.