Dr. Vivek Kumar and Dr. Joseph Takahashi, UT Southwestern Medical Center (image) UT Southwestern Medical Center Share Print E-Mail Caption UT Southwestern Medical Center researchers have identified a gene in mice that appears to underlie the intensity of the response to cocaine. Neuroscience Lecturer Dr. Vivek Kumar, (left), is the lead author of the study published in Science, and Dr. Joseph Takahashi, Chairman of Neuroscience and a Howard Hughes Medical Institute Investigator at UT Southwestern, is the study's senior author. Credit UT Southwestern Medical Center Usage Restrictions None 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.