Topic: social reunion

Social interaction is a fundamental and evolutionarily conserved need. Social grouping decreases the risk of predation, reduces energy consumption and leads to mutually beneficial behaviors such as parenting and group foraging. By contrast, social isolation leads to a range of mental and physical problems in both human and animals. However, how the brain controls instinctive social need and what neuronal populations and circuits are involved, remain unknown. In this study, we report the identification of novel populations of hypothalamic neurons in the medial preoptic nucleus (MPN) in mice th