Left brain vs. right brain is a common idea that many people believe. It says that people who are logical and good at math use the left side of their brain more, while creative and emotional people use the right side. This explanation sounds simple. But is it really true?

Let’s take a closer look at what science says.

Where the Idea Came From

To begin with, the idea became popular in the 1960s through the work of scientist Roger Sperry. He studied how the two sides of the brain (called hemispheres) handle different tasks. For example, the left side was linked to language and logic, while the right side was connected to creativity and emotions.

Because of these findings, many people started to believe that one side of the brain is “stronger” or more dominant than the other—and that this shapes how we think, learn, and act.

What We Know Today

However, modern research tells a different story. Today, scientists know that we use both sides of the brain for almost everything we do. In fact, tasks like reading, writing, drawing, solving problems, or playing music involve many parts of the brain working together at the same time—not just one side.

In other words, the brain is not split into two separate zones. It is one highly connected system.

So, Is It a Myth?

Yes, it is. The idea that you are either “left-brained” or “right-brained” is a myth. While it’s true that each hemisphere has its own specialties, they are always working together. Most daily tasks—whether logical or creative—rely on your whole brain.

Therefore, labeling yourself as just one type of thinker isn’t supported by science.

Why People Still Believe It

Even so, the myth continues. One reason is that it offers a simple way to explain different personalities. It’s common in books, classroom settings, and online quizzes. For many people, it feels like an easy way to understand themselves.

But this way of thinking can be limiting. For example, if you believe you’re “not a creative person” because you’re left-brained, you might avoid trying new things. That’s why it’s important to understand the truth.

The brain is not divided in the way many people think. You’re not just logical or just creative. You use both hemispheres every day to think, feel, create, and solve problems.

So instead of choosing between left-brained or right-brained, remember this: you’re whole-brained—and that’s what makes your mind powerful.

It pays to be informed
Understanding how your brain truly works helps you make smarter health choices. Let go of myths—and get support you can trust.

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References:

https://www.health.harvard.edu/blog/right-brainleft-brain-right-2017082512222?

https://www.scientificamerican.com/article/5-common-myths-about-the-brain/

https://www.verywellhealth.com/left-brain-vs-right-brain-7093257?