This is Yiru Chen, a graduate student from Kravitz Lab. Our lab has developed an open-source, homecage social operant task using FED3 to record both feeding and social motivational behaviors. You can check out the method and results here:
https://www.biorxiv.org/content/10.1101/2025.08.21.671364v2. If you have any questions or are interested in the application of FED3 on social behaviors, feel free to contact us.