What is the left and right brains? What does the left and right sides control?

The left brain is responsible for logical thinking, i.e., mathematics, theoretical analysis, reading, memorization, etc. are all managed by the left brain.

The right brain mainly manages people's image thinking. Such as the overall imagination of space, intuition, rhythm, etc.

The left brain is the language brain, and the right brain is the image brain. Due to the difference in the division of labor between the left and right brains, there are also differences in functions. The left brain has a verbal function and is good at logical reasoning.

It mainly stores the information obtained after birth, and completes linguistic, logical, analytical, and algebraic thinking, cognition, and behavior.

The right side of the brain has figurative thinking.

ability, but not linguistic capability. It is mainly responsible for intuitive, synthetic, geometric, and drawing thinking, cognition and behavior. When I was in junior high school, my memory was often very bad, and my writing was distracted, which led to my poor test scores.

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The cerebrum is made up of two cerebral hemispheres, the left and the right, with both cerebral hemispheres crossing to innervate the contralateral limb.

The left side of the brain is the dominant brain in most people, and the bilateral cerebral hemispheres jointly manage people's physiological activities and normal life, among which the left brain mainly controls: language, concepts, numbers, analysis, logic, reasoning and other functions.

The right brain mainly controls: **, drawing, spatial, geometric, imaginative, synthetic, and other functions.

When one side of the brain is damaged, the opposite side of the brain can compensate for the function of the injured brain to some extent.

The function and function of the left brain are mainly related to logical reasoning, memory, and language processing; The function and role of the right brain are mainly related to artistic activities such as ** and fine arts, or the sense of space and imagination. The left and right sides of the brain also control the motor and sensory functions of the opposite side of the body, respectively.

The cerebral cortex of the left brain has the center of language and the center of logical reasoning, which is mainly related to the ability of human beings to analyze logically, think abstractly, and deal with complex problems. People with a well-developed left brain are suitable for jobs that require high rational reasoning skills, such as scientific research and computer programming.

The right brain is mainly related to **, art, spatial geometry, and imagination. People with a well-developed right brain are often suitable for artistic activities such as painting and playing the piano.

The cerebral cortex of the left and right brains have their own anterior gyrus and posterior gyrus, which control the motor and sensory functions of the opposite side of the body, respectively. When a brain tumor or stroke occurs in one part of the brain, it may cause movement or sensory impairment in the opposite hand or foot.

1. The left brain controls linguistic, logical, analytical, and algebraic thinking, cognition, and behavior. The right brain is mainly responsible for intuitive, synthetic, geometric, and drawing thinking, cognition, and behavior.

2. The right brain controls the nerves and sensations of the left half of the human body such as the left hand, left foot, and left ear, while the left brain innervates the nerves and sensations of the right half of the body, and the right field of vision is connected to the left brain, and the left field of vision is connected to the right brain.

3. The left brain is connected to the nervous system of the right half of the body, which is responsible for its movement and perception, so the right ear and right field of vision dominate the left brain.

4. The right brain is connected to the nervous system of the left half of the body, which is in charge of its movement and perception, so the right brain dominates the left ear and left vision.

The left brain is responsible for logical thinking and is responsible for rational knowledge such as judgment, analysis and reasoning, while the right brain is responsible for visual thinking and perceptual cognition of perceptual inspiration and imagination.

The left and right sides of the brain are mainly responsible for the following functions:

1. Motor function: The motor function of the left and right brain is mostly symmetrical, that is, the left brain controls the activity of the right limb, and the right brain controls the activity of the left limb, so for sports, the function of the left and right brain is not much different;

2. Speech function: The speech function control area is mainly located in the middle frontal gyrus and superior temporal gyrus on the left side of the left side of the brain, called the triangular area. Therefore, the language center is mainly located in the left cerebral hemisphere, and the right cerebral hemisphere generally does not have a language center, but for some left-handed people, because the dominant hemisphere is the right hemisphere, it is possible that the language center is also transferred to the right hemisphere, but it is rare, accounting for about 10%;

3. Other functions: The motor coordination function center is mainly located in the left parietal lobe, which is called the superior marginal gyrus and angular gyrus of the inferior parietal lobule, which mainly governs the ability to calculate and use, while the right hemisphere is mainly a three-dimensional spatial function.

In the traditional view, the left side of the brain controls the right side of the limb, the right side of the brain controls the movement of the left side, and so on. Therefore, if there is a lesion in the left side of the brain, such as a stroke, right hemiplegia, speech impairment, etc., and a stroke in the right side of the brain can cause hemiplegia in the left limb and so on. However, this simple understanding has now been overturned, and people's understanding of the left and right brains has gradually improved and deepened, and after the current MRI scan and various scientific research, it is believed that the division of labor of the brain is different in details, such as the left brain pays more attention to organizing language, and the right brain pays more attention to the small division of labor such as controlling attention.

The left brain focuses on the details, the right brain focuses on the big picture, and there are only small differences. However, all the logical analysis, language, logical thinking, etc. of the nervous system are made by the joint action of the left and right hemispheres of the brain, and there are no obvious advantages and disadvantages, and it is impossible to divide the brain and complete various physiological activities alone. Therefore, it is now believed that the division of labor of the brain is no longer the traditional division of the left side of the tube thinking, the right side of the tube art, etc., but the joint functional activities of the brain cells, so that there are various physiological functions of the human body.

The division of labor between the left and right brains is no longer particularly obvious, and the command of all physiological activities, logical analysis, etc., can only be done well by mobilizing all nerve cells to work and participate together.

The left side of the brain controls related activities such as language, calculation, reading, writing, etc., and the left side of the brain governs the right side of the facial limb activities. The right side of the brain dominates space**, a function of fine arts related to art.

If I'm not mistaken, the right brain seems to be in charge of language ability, and the left brain seems to be in motion.

The left brain mainly controls: language, concepts, numbers, analysis, logic, reasoning and other functions. The right brain mainly controls: **, painting, space.

The left brain is mainly responsible for logic, words, language, analysis, numbers, and order, while the right brain is mainly responsible for color, **, imagination, spatial feeling, intuition, graphics and other activities; The left brain is engaged in abstract logical thinking, compound thinking and analytical thinking, while the right brain is engaged in concrete image thinking, divergent thinking, intuitive thinking, and creative thinking.

The left brain and the right brain are separated, the left brain processes analytical rationality, and the right brain processes sensibility and images.

The left brain is the language brain, and the right brain is the image brain. The left side of the brain controls the language center of understanding language, the nerves and sensations of the right half of the body.

The right brain of the human body controls the nerves and sensations of the left half of the human body, such as the emotional center with the ability to think visually, the left hand, the left foot, and the left ear.

Due to the difference in the division of labor between the left and right brains, there are also differences in functions. The left brain has the function of language, is good at logical reasoning, mainly stores the information obtained after birth, and completes linguistic, logical, analytical, algebraic thinking, cognition and behavior.

The left side of the brain controls the rational mind and the sensations and movements of the right side of the body; The right side of the brain is mainly responsible for perceptual thinking and the sensations and movements of the left side of the body.

Left brain: The left brain, also known as the conscious brain, plays a prominent role in numbers, reasoning, logic, etc., and is responsible for analysis, calculation, understanding, reasoning and judgment, etc., which is collectively referred to as rational thinking; In addition to the function of thinking, the left brain can also receive some sensations on the right side of the body, such as vision, touch, vision and other information, and make corresponding responses and actions accordingly.

Right brain: The right brain, also known as the subconscious brain, plays a prominent role in overall cognition and image thinking, and is responsible for sound, graphics, colors, emotions, imagination and creation, etc., which are collectively referred to as perceptual thinking; In addition, the right side of the brain can also receive sensations on the left side of the body and react accordingly.

The left and right brains work together to govern the human body's thinking, feeling, and movements, which is essential to the human body as a whole.

What does the left and right sides control? The left brain of humans is mainly engaged in logical thinking activities, the left brain also has language functions, while the right brain controls the left half of the nerves of the human body, such as the left hand, left foot, and left ear, and the left field of vision is connected to the right brain. The right brain is mainly responsible for the thinking, cognition, and behavior of intuition, synthesis, geometry, and drawing.

1. The role of the left brain and the right brain:

1. The function of the left brain: it mainly has logical function, comprehension function, memory function, analysis function and language function, also called speech brain. After left brain injury, clinical symptoms such as aphasia and stupidity may appear.

The left brain receives information and tends to proceed from the local to the whole, the left brain is well developed, and the professional operation ability is outstanding, and it is easy to become a medical expert, agricultural expert, mechanic, etc.

2. Right brain function: mainly responsible for space, image, memory, and plays a major role in art, **, imagination, etc., also known as artistic brain. After the right brain injury, it will have problems with **, art, space and human facial recognition;

2. The main functions of the left and right brain are controlled separately

1. Kinematic function: The motor function of the left and right brain is mostly symmetrical, that is, the left brain controls the activity of the right side of the limbs, while the right brain controls the activity of the left side, so the function of the left and right sides of the brain in terms of movement is not large.

2. Language function: The language function control area is mainly located in the middle frontal gyrus and superior temporal gyrus of the left side of the brain, which is the so-called triangle area. Therefore, the language center is mainly located in the left hemisphere, while the right hemisphere generally does not have a language center, but some left-handed people, because the main brain is the right hemisphere, may transfer the language center to the right hemisphere, but it is rare, accounting for about 10%.

3. Other functions: The motor coordination function center is mainly in the left parietal lobe of the brain, that is, the superior and angular gyrus of the inferior parietal lobule, which mainly controls computing and application ability, while the right hemisphere mainly controls spatial function.

Conclusion: The left brain is dominated by logical thinking, the right brain is the center of human movement, controlling people's coordination, the conception of spatial thinking, the use of technology, etc., are all controlled by the right brain. The left brain and the right brain are connected, and the left brain plays the role of the right brain, and the right brain plays the role of the left brain.

Sun Yang. Deputy Chief Physician.

Wuxi Second People's Hospital, Department of Neurology, Class 3.

The left and right sides of the brain control the sensations and movements on the right and left sides of the human body. The left hemisphere is mainly responsible for conscious behavior, and the right hemisphere is mainly responsible for subconscious behavior.

The left brain receives sensory information from the right side of the human body, such as tactile and visual information, and controls the actions of the right side of the human body. The left brain, also known as the conscious brain, has the characteristics of analytical, abstract, rational and subjective, responsible for rational thinking, and has an advantage in abstract thinking. Mainly in charge of language, writing, symbols, analysis, calculation, comprehension, reasoning and judgment.

The right-handed left side of the brain is well developed.

The right brain receives sensory information from the left side of the body and controls the actions of the left side of the body. The right brain is called the instinctive brain, the subconscious brain, and the perceptual experience in life is mainly related to it. The function of the right hemisphere has a holistic, concrete, simultaneous, and intuitive character, with distinct advantages in terms of overall perception and visual thinking.

The right brain is in charge of sound, painting, graphics, color, emotion, spatial positioning, imagination and creation, etc.

There is a division of labor between the left and right hemispheres of the brain, which allows the limited brain to achieve more functions. However, this division of labor or the advantage of one side is also relative, because the left and right hemispheres are connected by the corpus callosum, which can realize the functional complementarity and mutual compensation to a certain extent, but the left and right hemispheres can restrain each other, and through this mechanism, the left and right hemispheres achieve tacit cooperation and work together.

The left hemisphere is the center of human language, so the left hemisphere mainly controls the function of human language. Cognitive functions such as intelligence, comprehension, and judgment are also controlled by the left brain. The right brain is mainly the motor center of the person, which controls the coordination of the person, and the conception of spatial thinking and the use of skills are controlled by the right brain.

The left brain and the right brain are interconnected, the left brain also has the function of the right brain, and the right brain also has the function of the left brain, and the functions between the two are interspersed and coordinated with each other. When the human brain was scanned by an MRI scanner in the hospital, it was found that the part controlled by the left and right brains was not one-size-fits-all, and the left and right brains were involved in completing tasks such as language, logic, thinking, and movement. The amount of information stored in the left and right brains is basically the same, and the morphological structure and the number of nerve cells are also basically the same.

There is no such thing as whether the left or right brain is more dominant, and one side of the brain does not dominate a person's personality. It's just that the left brain is more inclined to language organization and attention to detail, and the right brain is more inclined to control attention and see the big picture. When people think, understand, judge and use language, they are all done by the left and right brains, so the joint development and coordinated development of the left and right brains is the main thing.