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 ...

People experiencing major depressive disorder often report feeling trapped in a cycle of negative thoughts and stagnant moods ...

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 ...

The concern with the cervical herniated disk and the popular whiplash injury as a source of pain in the upper extremity may exclude consideration of a more distal origin of such pain. It is the ...

The following text summarizes information provided in the video. There are 12 pairs of cranial nerves that emerge directly from the brain and are responsible for many functions, including movement and ...

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 - ...

There are two specific types of neuralgia, or nerve pain. The first specific type is trigeminal neuralgia, or tic douloureux. Tic douloureux is a neuralgia of the trigeminal nerve, the fifth cranial ...

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