Xiphoid Nucleus (IMAGE) Scripps Research Institute Caption Neurons in the Xiphoid nucleus are activated by cold (green). A subset of this population (red) promotes the animal to eat more in the cold. Credit Scripps Research Usage Restrictions With related coverage and credit License Original content 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.