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.
Eye and Its Function. Eye Structure: Cornea-A clear, dome-shaped window in the very front of the eye. It acts as a window for light to pass in. Sclera The sclera is what is known as the white of the eye. It serves as the eye s protective coat.Lens The lens is a crystalline structure that focuses light into the retina.In a healthy eye, the lens changes shape to adjust for close or distance vision.ye Structure: Cornea-A clear, dome-shaped window in the very front of the eye. It acts as a window for light to pass in. Sclera The sclera is what is known as the white of the eye.