Diffusion tensor imaging of the brain. What we see highlighted here are white-matter axonal tracts, the very highway system that neurons within the brain use to communicate with one another. . 🔑 Red: left-right Green: anterior-posterior Blue: head-foot . Stay tuned for the next couple neuro-related posts focusing on brain health ☀️🌊🏄 📸: Zaynep Saygin, MIT