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Do Colors Impact Human's Nervous System?

Can you envision life without color? A world with only black and white as the primary hues. Would it be comparable to eating food without flavor?

The human eye is composed of various cells that send electrical impulses to our brain. Some are differentiated by distinguishing colors, while others are used for black-and-white vision. Our brain can recognize different colors and wavelength lights through these impulses. This integral part of the nervous system is incredibly precise and effective. Colors can contribute to different feelings and conceptions. Let’s explore the effect of colors on the nervous system, and further investigate the difference in mood and emotions.

Researchers have recorded human brain waves and compared them before and after viewing different colors. This investigation revealed that the color red exaggerates specific waves in the brain that indicate stress and anxiety. On the other hand, the blue and green cause certain calming waves to be released in the human brain. While other researchers focused on people's emotions and perceptions; this research takes a direct approach.

In other research, scientists focus on human perception and judgment. If color can change how humans think or make a decision, it means colors ultimately affect emotions and moods—primarily the nervous system. In one study, people were given candy bars with different colored labeling. The candy bars with green labels persuaded the participants to believe the chocolate was healthier—especially those who ate healthy. Despite writing the health information on the labels, people continued to judge if the candy was healthy based on the label color.

Perhaps a part of human memory and nature reminds people of specific colors that associate with different things? For example, red or yellow are often used when something is very hot, like fire. So, yellow and red colors tend to make us feel more energetic or warm. Both the sky and water are various shades of blue, and they are associated with relaxing and clarity. Plants are green—we have this information in our memory that eating vegetables and fruits is beneficial for health. Therefore, green to the human brain indicates health in the perspective of our nervous system.

Another outstanding research has shown the effect of different light therapy sessions on the autonomous nervous system. The autonomous nervous system (ANS) is an involuntary section of the human nervous system. Research has pointed out that different colors may have various effects on the ANS as well. For example, colors are able to change human heart rate. This new research has caused experts to have a fascination for color therapy, which makes the role of colors more prominent in human health.

According to another study, various colors can provoke different feelings in children. Kids have shown positive feedback to the color pink, blue, and red compared to the brown, black and gray. Perhaps these emotions show their desire to view pink, blue and red regularly compared to other colors.

Colors can affect the human nervous system by evoking human emotion, perception, and judgment. It is essential to pay more attention to our complex visual senses. At first, it seems ridiculous that the color green or blue of our living room wall can make us calm, but it is a fact that those colors can be visually appealing to our brain. In order to have the environment that you want to feel good in, change the colors around you to coordinate with it.

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