Every organ in the human body is built around networks of microscopic fibers that quietly guide how tissues work. In muscles, these fibers channel physical force. In the intestines, they support movement through the digestive system. In the brain, fiber pathways carry signals that allow different regions to communicate and support thinking and memory. Together, these tiny structures help organs function properly and maintain their shape.

Damage to these fiber networks plays a role in nearly every disease. In the brain, this damage shows up as disrupted connections between neurons, a defining feature of all neurological disorders.

Even though these fibers are central to health and disease, studying them has been difficult. Their small size and complex orientations inside tissues have made them hard to visualize using existing imaging tools.

A Simple Way to Reveal Invisible Microstructure
A research team led by Marios Georgiadis, PhD, instructor of neuroimaging, has now developed a straightforward and affordable technique that brings these hidden fiber structures into view with remarkable precision.