For observations based on sensory data, the human brain must constantly verify which "version" of reality underlies the perception. The answer is gleaned from probability distributions that are stored ...

Vision is a highly complex process, and requires the construction of a correspondingly complicated functional network made up of diverse nerve-cell types in the developing retina. In mammals, these ...

Researchers at the Icahn School of Medicine at Mount Sinai have identified distinctive patterns in how the brain transitions between activity states in people with depression, providing new insight ...

Optic nerve hypoplasia (ONH), which is defined as a congenital deficiency of retinal ganglion cells, may also involve more distal layers of the retina. We investigated electrophysiological function of ...

What Is Ulnar Nerve Entrapment? Ulnar nerve entrapment is when too much pressure is put against a nerve in your elbow by bones, tendons, muscles, or cartilage and it becomes inflamed or swollen. It’s ...

The main nerve of your parasympathetic nervous system (PNS), your vagus nerve relays messages between your brain, digestive system, and heart. Your PNS helps your body relax and recover after stress - ...

Neurofibromatosis type 1 (NF1) is a common genetic condition, affecting 1 in 3000 individuals, and people with NF1 are at greater risk of developing a rare, aggressive form of cancer. Diagnosing ...

Your ulnar nerve runs all the way from your shoulder to your little finger. The ulnar nerve manages the muscles that allow you to make fine movements with your fingers. It also controls some of the ...

The fastest nerve fibers in the human body relay signals at speeds approaching 250 miles per hour, a rate that still leaves ...