MRI method provides unprecedented insight into the brain's wiring network

(Champalimaud Centre for the Unknown) Thoughts, sensations, and emotions zap across the brain via a meshwork of fine nerve fibers called axons. Axon size is crucially important for general brain function as well as in certain neurological conditions. Experts have been striving to establish a means to noninvasively measure these fibers for many years. An international team of researchers has now developed a novel MRI method that manages to do just that.