The lesson here is that even the most basic components of your existence are actively constructed by your brain. Each component can be disrupted and erased. How does all this affect critical thinking? Well, just as with memory, be wary of saying, “I know what I saw.” Hmm… no, you don’t. You have a constructed memory of a constructed perception based on filtered partial sensation and altered by your knowledge and expectations. Psychologists have recognized some specific and dramatic manifestations of the limits of human perception.
