Left Brain - Right Brain

What Is the Left Brain-Right Brain Myth?

The human brain comprises two hemispheres separated by a bundle of nerves. The left hemisphere controls movement for the right side of the body, while the right hemisphere directs the left side. The hemispheres specialize in distinct mental functions—different aspects of visual perception, for example—but most behaviors and abilities require activity in both halves of the brain.

A widespread myth suggests that some people, whose left hemisphere is dominant, are more quantitative, logical, and analytical, while right-brained individuals are more emotional, intuitive, and creative. However, scientific evidence does not support these classifications.

The Left Brain and Right Brain Work Together

Though there is no evidence for the notion that there are left-brained people and right-brained people, some areas of the brain are more active than others during particular tasks.

For example, Broca’s area and Wernicke’s area are both linked to language and are most commonly located on the left side of the brain. Yet the right hemisphere is also known to play a role in language processing. Meanwhile, the limbic system—which includes the amygdalae and hippocampi and is involved in functions such as emotion and memory—resides on both sides of the brain.



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