Wednesday, May 25, 2022

What Does The Right Brain Do

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Lateralization Of Brain Function

What’s the Difference Between the Right Brain and Left Brain?

The human brain is split into two distinct cerebral hemispheres connected by the corpus callosum. The hemispheres exhibit strong bilateral symmetry regariding structure as well as function. For instance, structurally, the lateral sulcus generally is longer in the left hemisphere than in the right hemisphere, and functionally, Broca’s area and Wernicke’s area are located in the left cerebral hemisphere for about 95% of right-handers, but about 70% of left-handers. Neuroscientist and Nobel laureate Roger Sperry has contributed significantly to the research of lateralization and split-brain function.

Which Brain Is More Creative

The study showed that experience influences brain activity during periods of creativity. According to a popular view, creativity is a product of the brains right hemisphere innovative people are considered right-brain thinkers while left-brain thinkers are thought to be analytical and logical.

There Are Differences Between The Hemispheres Though Right

Yes.

You might not have a more dominant half, but your brain really is split into two hemispheres, left and right.

And the left and right hemispheres are not the same. They are highly similar and redundant, though. Most processes that you’d find on the left side also take place on the right, and vice-versa.

The book “Disorders of the Nervous System: A Primer” by Dartmouth neurologists Dr. Alexander Reeves and Dr. Rand Swenson, quotes Dr. Harold Wolff one of the great brain scientists of the 20th century as saying that both sides of the brain have “the capacity to express appropriate feelings, appetites and drives the capacity learning, memory, logic, etc. the capacity to maintain appropriate thresholds and tolerance for frustration and failure, and to recover promptly from their effects the capacity to maintain effective and well-modulated defense reactions .”

That’s some dense text, but the point is simple: Just about everything about your brain that makes you human exists on both sides of the organ.

Need proof? If you remove a hemisphere from the brain of a 3-month-old baby a surgery that doctors sometimes perform in cases of severe epilepsy and other disorders, according to the Cleveland Clinic that baby can still grow up with normal memories and a normal personality. Surgeons pulled off the surgery, known as a hemispherectomy, “hundreds of times” in the last century, according to Scientific American.

So, what’s the difference between the two hemispheres?

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The Truth About The Left Brain / Right Brain Relationship

    It’s time to rethink whatever you thought you knew about how the right and left hemispheres of the brain work together.hide caption

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    It’s time to rethink whatever you thought you knew about how the right and left hemispheres of the brain work together.

    Sometimes ideas that originate in science seep out into the broader culture and take on a life of their own. It’s still common to hear people referred to as “anal,” a Freudian idea that no longer has much currency in contemporary psychology. Ideas like black holes and quantum leaps play a metaphorical role that’s only loosely tethered to their original scientific meanings.

    What about the idea that some people are more right-brained and others more left-brained? Or that there’s a distinctive analytic and verbal style of thinking associated with the left hemisphere of the brain, and a more holistic, creative style associated with the right? Are these scientific facts or cultural fictions?

    An infographic reproduced just last month at Lifehack.org, for example, promises to explain “why you act the way you do” by revealing “which side of your brain you tend to use more.” An article at Oprah.com explains “how to tap into right-brain thinking.” And decades of research using behavioral and neuro-scientific techniques do reveal fascinating and systematic differences across brain regions.

    What’s surprised you most about the hemispheric asymmetries you’ve found in your own research?

    Scientific View Of Humanity

    The brain

    Modern science has a more prosaic, although no less extraordinary, view of humanity, properly placing homo sapiens as a single unique twig on the vast tree of life. It is unique for a reason. For all the connections to the rest of life on the planet, there is no doubting human uniqueness. For humans alone have looked to the sky and wondered about their place in the cosmos.

    Humans alone have thought about thought. And, taking humans down a peg or two, humans alone have worried whether these pants have made their butt look big or whether anyone could tell that they were wearing a toupee.

    Although these thoughts are not always grand and noble, they are thoughts. The ability to think in highly complex ways is what distinguishes humans from other species.

    Learn more about getting smarter about intelligence.

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    Language And The Right Hemisphere

    The right hemisphere, although dominant for language in only a small minority of people, plays an important role in communication. The elements of communication most affected by right hemisphere disease are prosody, or cadence and intonation of speech, and pragmatics, or practical, extralinguistic messages that normal speakers convey. Patients with right hemisphere disease sound flat in their intonation, and they may fail to comprehend emotional nuances, irony, sarcasm, and humor in the speech of others. They understand what is said but not how it is said. The communication deficit of right hemisphere lesions, although not strictly meeting the definition of aphasia, is socially disabling to patients, hindering readjustment to family and work environments.

    S. Campbell, in, 2006

    Your Classes And Your Brain

    Right-brain dominant students experience school differently than their left-brained counterparts, often favoring certain subjects over others. The following descriptions are accurate for most right-brained students.

    • History: You enjoy the social aspects of history classes most. You like to explore the effects of events that happened in history and you don’t mind writing essays about them.
    • Math: You can do well in math class if you apply yourself, but you get bored when answering long, complex problems. Don’t let yourself shut down when you don’t know the answerskeep at it! You’ll be great with math with enough practice.
    • Science: Studying science is boring at first, but you grow increasingly intrigued the more you learn. You like to find answers to open-ended questions but don’t care for using scientific equations and formulas.
    • English: You do well in English class, especially when it comes to reading literature and writing essays about books. You also do well in creative writing assignments. Strong grammar skills may come naturally to you.

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    Are Accountants Left Or Right Brained

    Accounting defines great career fields for left-brained people. It requires highly-meticulous attention to detail as mistakes need to be avoided in managing assets and liabilities. Many people in this field enjoy their time working alone on their projects and the opportunity to dive deep into numbers and calculations.

    Is Hemispheric Dominance Different Between People

    The left brain vs. right brain myth – Elizabeth Waters

    Hemispheric dominance varies from one person to another. The hemisphere of the brain used in every activity is not always the same for every person. Some experts believed that the activities of the brain are influenced by the persons right-handedness or left-handedness.

    Understanding which part of the brain is dominant in a person is essential in determining which learning style is more effective. Left hemisphere dominant people are visual learners. On the other hand, right-hemisphere dominant people are auditory learners.

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    Insight And Organization Problems

    Right hemisphere brain damage can make it difficult to arrange information. It can cause problems with executive functioning skills such as organizing and planning basic tasks.

    Damage to the right hemisphere can also lead to impaired judgment and safety hazards. That is because it affects a persons insight, which refers to the ability to understand the consequences of an action.

    In addition, right hemisphere damage will cause difficulties with self-awareness. This once again will make it hard for the person to control their own actions.

    What Does The Right Frontal Lobe Of The Brain Do

    The frontal lobe of the brain is considered to be the center of personality and emotional functioning. There is considerable overlap in the functions of the right and left frontal lobes of the brain. Both lobes are involved in motor behavior, problem solving, memory, judgment, decision making, sexual behavior, social behavior, emotional behavior and impulse control.

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    The Two Hemispheres And Brain Lateralization

    Brain lateralization is the idea that some brain functionsrely more heavily on one hemisphere than on another. One example of this is when we process language. The left hemisphere is in charge of language processing for the most part, whereas the right hemisphere only processes verbal information in relation to emotion. However, it has recently been discovered that speech is processed in both hemispheres equally, so perhaps language is not as lateralized as we previously thought.

    Likewise, it was believed that a left-handed persons brain was less lateralized for language development. That is, it was believed that these people would use more of the right brain hemisphere for language, contrary to the general right-handed population. It has been proven that this only happens in 1% of the left-handed population.

    It was even found that the degree of lateralization of some brain functions may vary from individual to individual.

    What Are The Strengths Of The Dominant Brain

    Zentangle: Heart

    Dominant people on the right side of the brain have a better idea of where one object is in relation to another. They also feel the position of their body, which helps them in sports like obstacles. In contrast, the person who dominates the left side of the brain may have less physical coordination.

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    Left Brain And Right Brain Theory

    A person can either be right-brained or left-brained. It means that one side of the brain is dominant. The left-brained dominant people are methodical and analytical in nature. Those right-brained dominant are creative and artistic.

    The left brain and right brain theory was created in the 1960s by a psychologist named Roger W. Sperry.

    How The Two Hemispheres Work

    How do the brain hemispheres work?

    There is still a lot left to discover about brain hemispheres but here are some facts we do know:

    • The brain is composed of two well-differentiated halves called hemispheres. These halves are connected by a structure called the corpus callosum, which facilitates communication between the hemispheres. These two hemispheres are in constant communication, and in most activities, both work equally.
    • Experts suggest that our level of intelligence is directly related to the quality of the connection between hemispheres. The more connected they are, the more intellectual we will be, such is the example of Einsteins brain.
    • Each hemisphere is responsible for the activity on the opposite side of the body. That is, the right hemisphere will be responsible for the movements of the left side of the body and vice versa. Therefore, an injury to the left brain will have an impact on the right side of the body.
    • The processing of visual and auditory stimuli, spatial manipulation, facial perception and artistic ability is found bilaterally, although they may show some superiority in the right hemisphere.
    • Contrary to what was thought until recently, according to a study, the visual processing of numbers is performed by both hemispheres equally.

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    What Are The Differences Between The Left Brain And Right Brain

    Many neuroscientists consider the concept of purely left-brain vs right-brain characteristics a myth. There are numerous theories and concepts that exist to explain how the right and left hemispheres of the human brain function. Many of which, have merits, and limitations.

    Researchers Michael Gazzaniga and Roger Sperry proposed the concept of lateralization. In lateralization the left hemisphere and right hemispheres of the brain have very different functions, but they communicate with each other through their physical connections. An example of lateralization is language. For most people language function is located in the left hemisphere of the brain, particularly for right-handed people. The foundation for this split-brain theory often is based on research that has been performed on patients who had their right and left hemispheres of their brain surgically disconnected to treat severe epilepsy. Split-brain theory describes the left side of the brain as giving rational orders to the right side of the brain, and the right hemisphere as giving emotionally based commands.

    Brain lateralization occurs in certain brain functions. In brain lateralization, certain regions of the brain perform specific functions. Many recent studies have shown that the right and left halves of the brain mostly are used equally, which shows the functional and physical connections between both the right and left hemispheres of the brain.

    Blood Supply To The Brain

    Do People Really Have Right or Left Brain Personalities?

    Two sets of blood vessels supply blood and oxygen to the brain: the vertebral arteries and the carotid arteries.

    The external carotid arteries extend up the sides of your neck, and are where you can feel your pulse when you touch the area with your fingertips. The internal carotid arteries branch into the skull and circulate blood to the front part of the brain.

    The vertebral arteries follow the spinal column into the skull, where they join together at the brainstem and form the basilar artery, which supplies blood to the rear portions of the brain.

    The circle of Willis, a loop of blood vessels near the bottom of the brain that connects major arteries, circulates blood from the front of the brain to the back and helps the arterial systems communicate with one another.

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    Treatments For Right Brain Strokes

    For any survivor to begin to see positive changes after a stroke, the rehabilitation process must start right away. Of course, the pathway to recuperation will be different for every individual, but the process that must always take effect in order to see results is something called neuroplasticity.

    Neuroplasticity, in essence, refers to the regenerative properties of the braina re-establishment and rearrangement of neural connections. This means that the brain is essentially reprogramming itself in undamaged areas to support damaged ones, and the sooner this activity begins, the sooner one can recover.

    To enhance this process, proper execution of rehabilitation exercisesboth mental and physicalmust be carried out on a regular basis. Over time, consistent and repetitive efforts will aid in constructing healthy neural connections, as well strengthening damaged ones.

    In addition to consistency and repetition, there are rehabilitation exercise aids which can enhance the effectiveness of rehab exercises after stroke. These devices offer additional supports that allow the user to execute a wider range of exercises and adjust the difficulty for individualized results. For weakness in the arm or hand, the SaeboGlove, SaeboFlex, SaeboStretch, or SaeboMas can significantly increase the speed and effectiveness of rehabilitation.

    Right Brain & Left Brain Functions List

    Left brain:
    LanguageImagination

    Based on hundreds of experiments, scientists have made a list of features that are typical for each of the two hemispheres. The list above features just some of the everyday skills that the brain shows a left or right hemisphere preference for.

    However, in everyday life, we use both hemispheres equally. How do we know? Neuroscientists have been studying brain injuries for many years. We know that if the left hemisphere is damaged, it leads to speaking, understanding, and coordination problems. When the brains right hemisphere is damaged, the patient has difficulties with visual perception, impulsiveness, and slow learning.

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    The Two Brain Hemispheres

    The two brain hemispheres are complimentary, and they have minor functional differences between the right and left hemisphere. It hasnt been easy to discern the differences between the two. It is known that the right side of the brain controls the left side of the body, and the left side of the brain controls nearly the entire right side of the body. Each of the hemispheres specializes in certain functions, and this specialization is a privilege of being human. This may be because language and logic need more orderly and sophisticated thought processes.

    Right Brain Hemisphere Vs Left Brain Hemisphere

    Left Vs Right Brain What Side Do You Use

    The left brain hemisphere is needed for rational thinking and logical skills such as mathematics and language. On the other hand, the right side of the brain is responsible for creative activities like arts and connecting to others in an emotional way. So, a person who is left brain dominant is logical while the right brain dominant is more emotional.

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    Structure Of The Brain

    The cerebrum has a right half and a left half, known as the right and left hemispheres. The two hemispheres are connected via a thick bundle of nerve fibers called the corpus callosum. Each hemisphere is made up of six areas that have different functions. The cerebrum controls movement and processes sensory information. Conscious and unconscious actions and feelings are produced here. It is also responsible for speech, hearing, intelligence and memory.

    The functions of the two hemispheres are to a great extent different: whereas the left hemisphere is responsible for speech and abstract thinking in most people, the right hemisphere is usually responsible for spatial thinking or imagery. The right side of the brain controls the left side of the body, and the left side of the brain controls the right side of the body. This means that damage to the left hemisphere due to a stroke, for example, can lead to paralysis on the right side of the body.

    The left cerebral cortex is responsible for speech and language. The right cerebral cortex supplies spatial information, such as where your foot is at the moment. The thalamus provides the cerebrum with sensory information from the skin, eyes and ears, as well as other information. The hypothalamus regulates things like hunger, thirst and sleep. Together with the pituitary gland, it also regulates the hormones in your body.

    The cerebellum coordinates movements and is responsible for balance.

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