Chronic kidney disease, also called chronic kidney failure, describes the gradual loss of kidney function. Your kidneys filter wastes and excess fluids from your blood, which are then excreted in your urine.
A cognitive illusion can be defined as the viewer's knowledge and assumptions about the world, or unconscious inferences. There are three categories of cognitive illusions: ambiguous illusions, distorting illusions, and paradox, or fiction, illusions. Ambiguous illusions are images or objects that allow for the viewer to have two valid interpretations of what the object represents or what it actually is. The viewer is usually able to mentally visualize one interpretation right away and eventually the second, after some time.
Cognitive flexibility[note 1] has been described as the mental ability to switch between thinking about two different concepts, and to think about multiple concepts simultaneously.[1] Cognitive flexibility is usually described as one of the executive functions.[2] Two subcategories of cognitive flexibility are task switching and cognitive shifting, ...