Over the past few years, interest in the field of neuroimmunology has expanded dramatically, thanks largely to new technologies that have advanced our understanding of the intimate connections between the nervous and immune systems. Co-authors Jonathan Kipnis and Duke Neurosurgery's Anthony Filiano, writing in Nature Reviews Immunology, highlight key advances in 2017 that have defined new roles for microglia in brain maintenance, for cytokines as neuromodulators and for the immune system in peripheral nerve activity. Read more