Unlike Alzheimer's disease, which shrinks the hippocampus causing progressive memory loss, white matter disease is a more diffuse mind-robbing condition that targets small blood vessels deep within the brain's white matter. The disease hardens the tiny arteries, gradually restricting nutrients to white matter -- the connections between brain regions involved in executive abilities such as planning, organizing, problem-solving, and attention.
The eye is a part of the nervous sytem, which is essentially a network of neurons that coordinate actions and transmits signals throughout the body. There are two parts to the â¦ nervous system: central and peripheral.he nervous system. Your eyes are part of your brain. The majority of. your brain surface is light-sensitive.
Retina. The (the innermost layer of the eye) performs the function that gives the eye its purpose: it absorbs light and transmits sensory information to the brain for processing.The retina is the delicate, transparent neural tissue that lines the posterior two-thirds of the eyeball.ntroduction. The (the innermost layer of the eye) performs the function that gives the eye its purpose: it absorbs light and transmits sensory information to the brain for processing.