Researchers have developed a new brain–computer interface that records neural signals from the brain’s lateral ventricle, a fluid-filled cavity traditionally used only for clinical drainage. Using a lantern-inspired expandable electrode, the system delivers stable, high-quality recordings for months and decodes memory-guided decisions with up to 98% accuracy in rats. The approach reduces immune response compared with conventional cortical implants and opens a new route for long-term, minimally invasive brain–machine interfaces.

Gut-derived signals have been implicated in autoimmune inflammation, yet the underlying cellular mechanisms remain poorly understood. A recent study from Japan identifies a conserved gut–central nervous system axis through which gut signals contribute to autoimmune neuroinflammation. These findings suggest that targeting T cell activation in the gut may offer a strategy for limiting neuroinflammation in debilitating diseases like multiple sclerosis.