Left Brain/Right Brain

A human brain consists of two parts. These parts are commonly known as the left brain and the right brain but a more accurate term that should be used is hemispheres. The right hemisphere is responsible for the left side of the body and the left one – vice versa. So both hemispheres control opposite sides of the body. What we see in our left eye is basically controlled by right side of the brain and so on.

Theory of right brain or left brain dominance states that either side of brain controls different kinds of thinking. This theory was introduced by Roger W. Sperry while he was researching on the side-effects of epilepsy. During his research he discovered that a human brain consists of two different ways of thinking. The right brain consists of visuals and processes information in a simultaneous and intuitive way, for example, perceiving a picture as a whole at first and later the details. The left brain processes information in sequential and analytical way, thus it concentrates at the pieces first and later sees them as whole. In 1981, Sperry was awarded a Nobel Prize for his research.

You often hear people saying that they are right-brain thinkers or left brain thinkers. Most people who consider themselves as right-brain thinkers feel that they have more creative and artistic tendencies. On the other hand, people who consider themselves as left-brain thinkers feel they have strong mathematic and logic skills.

The Right Brain

According to the theory, the right side of the brain is good with creative and expressive tasks. Abilities that are associated with the right side brain consists of:

  • Expressing emotions
  • Reading emotions
  • Creativity
  • Recognizing faces
  • Color
  • Music
  • Images
  • Intuition

The Left Brain

On the other hand, the left side of brain is considered to be good at tasks that involve analytical thinking, language and logic. It is thought to be better with tasks like:

  • Language
  • Numbers
  • Critical thinking
  • Reasoning
  • Logic
  • Critical thinking

According to Stephen Wilson brain asymmetry play a vital role in proper functioning of the brain. This way the two hemispheres of the brain allow an increased processing capacity and avoid conflicts when both sides of the brain attempt to take control. The main role of the brain is to carefully create balance and assign controls of various functions to each hemisphere of the brain in order to ensure maximized efficiency by dividing tasks. According to research most people are right handed which is controlled by the left hemisphere of the brain.


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