The Brain: Left and Right Hemispheres

The human brain is divided into two hemispheres: the left and the right hemisphere. Scientists continue to explore how some cognitive functions tend to be dominated by one side or the other; that is, how they are lateralized. In general, the left and right hemispheres of our brain process information in different ways. While we have a natural tendency towards one way of thinking, the two sides of our brain work together in our everyday lives. The right brain of the brain focuses on the visual, and processes information in an intuitive and simultaneous way, looking first at the whole picture then the details. The focus of the left brain is verbal, processing information in an analytical and sequential way, looking first at the pieces then putting them together to get the whole.


In general, the left hemisphere is dominant in language: processing what you hear and handling most of the duties of speaking. It’s also in charge of carrying out logic and exact mathematical computations. When you need to retrieve a fact, your left brain pulls it from your memory.

The right hemisphere is mainly in charge of spatial abilities, face recognition and processing music. It performs some math, but only rough estimations and comparisons. The brain’s right side also helps us to comprehend visual imagery and make sense of what we see. It plays a role in language, particularly in interpreting context and a person’s tone.

The brain carefully balances and assigns control of certain functions to each side it’s all nature’s way of ensuring that the brain ultimately splits up tasks to maximize efficiency.