Stum Gene Research (image) Scripps Research Institute Caption The new study identified a new gene and a type of nerve cell required for detection of leg position. This image shows a stum-expressing sensory neuron in a leg joint. Credit Image from the Cook lab, The Scripps Research Institute. Usage Restrictions None 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.