Distribution of Ranvier nodes along myelinated axons is a critical determinant of conduction velocity, significantly influencing spike arrival timing and hence neural circuit function. The patterns of ...

New research shows that running a marathon can cause a temporary reduction in brain myelin, the fatty substance that insulates neurons and supports efficient communication.

In addition, numbness may be due to a disease or medications that cause demyelination (destruction of the protective coating of nerves, called the myelin sheath). Less commonly, thumb numbness may be ...

The nasal bones are two wedged-shaped bones that make up the bridge of your nose. They come together at a rigid fibrous joint, forming the thickest part of the nose. Trauma to the face often involves ...

Scientists at Spain's University of the Basque Country (UPV/EHU) have identified a link between marathon running and a sharp reduction in the protective myelin that surrounds nerve fibers ...

Get Instant Summarized Text (Gist) Marathon runners experience a temporary reduction in brain myelin during a race, with levels returning to normal within two months. This reduction occurs in ...

Participants' brain scans suggest that during a marathon, when glucose in the brain runs dangerously low, some neurons can begin munching on myelin – a fatty sheath that forms around nerve fibers in ...

Prosecutors say they have evidence that the man charged in the stabbing deaths of four University of Idaho students bought a knife and knife sheath online in the months before the killings ...

In MS, the immune system mistakenly attacks the myelin sheath, a fatty coating around nerve cells. Like an insulator on electrical wires, myelin protects nerve fibers and ensures the efficient ...

For a given change of conduction speed, the membrane area change needed at the node is >270-fold less than that needed in the myelin sheath. Thus, axon-specific adjustment of node of Ranvier length is ...