The sense organs’ detection of external physical stimuli is called __________, whereas further processing, organizing, and interpreting of those stimuli in the brain is called __________.
The answer to the first unknown is "Sensation" while in the second unknown is "Perception". These two words are very different such that the "sensation" is when the sense organ detected external physical stimuli but the "perception" is the processing, organizing and interpreting of those stimuli captured by sensation in the brain.