David Solecki, Ph.D., St. Jude Children's Research Hospital (image) St. Jude Children's Research Hospital Share Print E-Mail Caption Research led by David Solecki, Ph.D., of St. Jude Children's Research Hospital identifies a molecular switch that controls neuronal migration in the developing brain. The study's findings offer insight into the origins of epilepsy, mental retardation and possibly brain tumor metastasis. Credit St. Jude Children's Research Hospital Usage Restrictions Image may only be used with appropriate caption and credit. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.