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What is Left Brain and Right Brain Thinking?
What is Left Brain and Right Brain Thinking?

The concept of left and right brain thinking styles has been widely accepted for a long time. This concept is still believed by many people. Differences in thinking styles and aptitude supposedly come from a dominance in the left or right side of the brain.

The left brain is analytical and logical, while the right brain is creative, emotional, and visio-spatial. Activities that trigger a response on one side of the brain or the other believed to affect cognitive styles, skill, and personality.

01

Two Hemispheres

hemispheres MissTuni / Getty Images

There are aspects of truth in the theory of left and right brain cognition. The brain clearly has two hemispheres. The hemispheres are joined through a tract of connective tissues called the corpus callosum. Some activities trigger activity in specific areas of the brain. The idea behind the left brain and right brain theory is that people are naturally inclined to use one hemisphere of the brain. This is called lateralization or hemispheric specialization.

02

Roger Sperry

roger sperry left brain Nerthuz / Getty Images

Roger Sperry, a neuropsychologist, studied brain activity in the bilateral brain hemispheres in 1960. He analyzed the behaviors of people with severed nerves between the hemispheres of their brains. The nerves were severed as a treatment for their epilepsy. Sperry believed that the people participating in his study must have brain hemispheres that operated independently because there was no communication between sides. Sperry made great progress in understanding how the brain works, but he did not develop left brain-right brain theory. Other people used Sperry's research to fabricate a pop-culture theory.

03

Left Brain

left brain PeopleImages / Getty Images

People with a dominant left brain hemisphere display aptitude for linguistics, logic, strategic thinking, and ability to recall information. They usually enjoy math and science, and they have strong critical thinking skills. Other characteristics associated with the left side of the brain are a tendency to be realistic and practical, and a preference for long-term planning.

04

Right Brain

left brain right Allkindza / Getty Images

People with a dominant right hemisphere of the brain tend to be imaginative, idealistic, and creative. They are likely to have random thoughts and enjoy music and art. Intuition and heightened ability to recognize faces are also associated with right-brain thinking. Those with right-brain dominance are frequently joyful and express appreciation. They are not shy about expressing emotions and often have very strong beliefs.

05

Possible Effects

effects of left-brain right-brain theory timsa / Getty Images

Proponents of the left-brain, right-brain theory claim that understanding which half of the brain is dominant helps people learn and process information efficiently. It is also supposed to grant insight into personal feelings and thoughts. Unfortunately, belief in the left-brain, right-brain theory can be detrimental too. Claiming a dominant side of the brain easily leads to automatic and inaccurate assumptions towards individuals skill and ability.

06

Neuro-Myth

neuro-myth left brain FatCamera / Getty Images

The left-brain, right-brain theory is referred to as a neuro-myth in some scientific circles. Multiple studies have found that people just don't think with one side of the brain more than the other side. Multiple areas of the brain are active during different activities, and sometimes active areas are all on one side. The areas of activity are the same for everyone. There is no significant difference between individuals related to activity in a specific brain hemisphere.

07

Self-Fulfilling Prophecy

self-fulfilling prophecy slavemotion / Getty Images

The myth isn't just harmless fun. A student experiencing frustration in certain subjects may give up entirely because of a belief that skill is predetermined as right-brained or left-brained. A personality quiz online can cause people to doubt their own abilities. An underlying belief that a person has certain skills related to brain hemispheres can undermine attempts to learn new skills. The self-doubt and subconscious pre-determined conclusions cause a self-fulfilling prophecy. A dominant brain hemisphere does not prevent understanding of any concept, but the effects of believing right-brain left-brain theory prevent a person from learning certain skills.

08

Thinking Styles

thinking style left brain BlackJack3D / Getty Images

Specific areas of the brain are associated with an activity such as movement and vision. The left side of the brain controls the right side of the body and vice versa. The left temporal lobes of the brain are important for understanding language, although many areas of the brain are active in association with language. Emotional context of language is associating with the right hemisphere of the brain. Sperry's research did find that the left side of the brain is associated with analytical skills, while the right half is responsible for spatial perception.

09

Traits and Skills

skills left brain right Portra / Getty Images

The left brain-right brain myth seems determined to hang around no matter how many times it is debunked. Most people should be able to see the myth for what it is just from their own observations. Human ability and skill is not divided between analytical or creative. Computer programmers are sometimes artists too. Writers who ultimately end up on the bestseller lists come from all sorts of backgrounds and professions. Extensive logic and reasoning skills do not nullify emotions or strong beliefs. Humans have an amazing ability to perform well and show aptitude for a wide variety of concepts and skills.

10

Flexibility of the Human Brain

left brain right brain human RoBeDeRo / Getty Images

The human brain really is an astounding organ. Both brain hemispheres contain pathways that connect certain areas of the brain. Reading triggers activity in both hemispheres throughout the visual cortex and cerebellum. Multiple areas of the brain are necessary to understand complex ideas or perform intricate tasks. The brain has some ability to reroute pathways and repurpose certain areas. Parts of the brain can be damaged through injury, stroke, or accidents. It is sometimes very difficult for medical professionals to judge how much ability individuals with brain damage can recover. Some individuals experience nearly miraculous recoveries because their brains are able to use alternate areas and forge new pathways to get around damaged areas.

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