Schematic of the Setup (IMAGE) RIKEN Caption Illustration of the bioluminescence monitoring system comprising photomultiplier tubes (PMTs) for neural recording and a thermal camera for behavioral tracking. A thermal wall composed of a cooled Peltier element and a plate improves the image contrast. Credit RIKEN Usage Restrictions credit RIKEN National Science Institute License Licensed 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.