Preserving food, less fighting for food, less roaming to hunt and gather. More stable sense of community. More children. Preserving food, less fighting for food, less roaming to hunt and gather. More stable sense of community. More children.
Contrast sensitivity is the ability of an imaging process to produce an image of objects or tissues in the body that have relatively small physical differences or inherent contrast. The contrast that is to be imaged is in the form of some specific physical characteristic.
Picture quality includes image clarity, color accuracy, and contrast of streaming video. It's based mainly on the judgments of a panel who compare each device's output to a reference. However, the quality of the video that you'll get is largely dependent on the speed of your wired or wireless network.