Korean society has seen a surge in the inflow of information, accompanied by colors and lights, with the emergence and technological advancement of devices such as TVs and smart phones. Human beings receive a significant proportion of their information visually. Among the five senses (visual, auditory, olfactory, gustatory, and tactile). Thus, human beings have a high reliance on the visual sense, which undoubtedly plays a crucial role in their lives. For that reason, research has been conducted in various fields to develop applications involving the visual sense. Particularly, it has been vigorously aiming to induce direct changes in physical conditions, such as the visual stimulus-induced physiological changes in the human body, emotional enrichment, concentration, attention, etc. However, the applications have yet to be developed, or have made very slow progress. This study presents the analysis of the changes in cerebral activation induced by visual stimuli delivered through a combination of colors, and has derived significant results associated with the changes in relation to indices of concentration, psychology, etc., based on the variation of stimulation.