The brain is divided into two sides, namely the left brain and the right brain. These very important and complex organs have certain parts with their respective functions on the body. And you should know about What Does The Left Side of The Brain Control and Understanding The Impact of Brain Injury.
The large brain consists of the left part of the brain and the right brain which is important for carrying out human daily activities. Research shows that the left brain is more widely used for logical thinking processes and in language, while the right brain plays more of a role in intuitive and visual processes.
Getting to know the brain
The large brain is the largest part of the anatomy of the human brain. The function of the cerebrum is to regulate movement and coordination of movement, touch, vision, hearing, judgment, reasoning, problem-solving, emotions, and learning.
The cerebrum consists of two hemispheres, namely the right brain and the left brain. The right hemisphere of the brain has a function to control movement on the left side of the body, while the left brain regulates movement on the right side of the body.
The right and left brains are separated by a groove called a longitudinal fissure. These two sides of the brain are joined at the bottom by the corpus of the callosum, which serves to send messages from one part of the brain to another. The surface of the large brain has a distinctive fold display called the cerebral cortex or cerebral cortex.
The cerebral cortex is the outer thin layer of gray matter that wraps around the brain, with a thickness of 2-3 mm. The creases or wrinkled protrusions that makeup they are called gyri, while the crevices are called sulci.
Each cerebrum hemisphere and cerebral cortex, both right and left, consist of four parts called the brain lobe. The four lobes of the brain are:
This is the part of the human brain that is in front of or behind the forehead. This front brain functions to control thinking, planning, organizing, problem-solving, memory, and short-term movement.
It is the part of the brain that is above and behind the frontal lobe. Its function is to interpret sensory information, such as taste, temperature, and touch, as well as identify objects and understand spatial relationships (where a person’s body is compared to objects around that person).
These lobes are at the back of the head that control human vision.
This part is at the back and bottom of the frontal lobe, precisely above the ear. This part of the brain plays an important role in regulating memory, speech, and understanding.
There is a large brain, there is also a small part of the brain called the cerebellum or cerebellum. The cerebellum is the part of the brain located at the back and under the occipital lobe.
The function of the cerebellum or cerebellum is to control and coordinate movement, maintain balance, and maintain posture. This part of the brain is important to help a person perform fast and repetitive actions, such as playing video games. Also, the cerebellar plays a role in fine motor movements, such as painting.
The brainstem is in front of the cerebellum and is a part connected to the spinal cord. This part of the brain contains nerve fibers that function to carry signals to and from all parts of the body. Besides, the brainstem also regulates bodily functions such as heart rate, blood pressure, and breathing.
The human brain stem consists of three structures, namely the middle brain, pons, and medulla oblongata. The middle brain plays a role in regulating eye movement, while pons is involved with the coordination of eye and facial movements, facial sensations, hearing, and balance.
While the medulla oblongata is the part of the brain that controls breathing, blood pressure, heart rhythm, and swallowing movements.
In addition to the three main structures above, the anatomy of the brain also consists of other important parts with their respective functions. Here are the parts of the brain:
Thalamus is the part of the human brain that is at the very center or above the brain stem. This brain structure acts as a gatekeeper for messages passing between the spinal cord and the hemispheres of the brain.
Hypothalamus is a small structure that is also located in the middle brain, precisely under the thalamus. This part of the brain plays a role in controlling body functions, such as eating, sexual behavior, and sleep, as well as regulating body temperature, emotions, hormone secretions, and movements.
The limbic system is a system in the brain that plays a role in the control of human emotions. Some parts of the brain that enter this system are the hypothalamus, part of the thalamus, the amygdala (actively producing aggressive behavior), and the hippocampus (which plays a role in the ability to remember new information).
The pituitary or pituitary gland is a small gland located at the base of the brain (behind the nose). Its function is to control the secretion of hormones, play a role in the growth and development of the body, as well as coordinate the functions of various organs of the body (kidneys, breasts, and uterus) and other glands (thyroid gland, gonads, and adrenal).
A ventricle is a chamber or cavity inside the brain filled with brain fluid or called cerebrospinal fluid. There are four ventricular chambers connected by narrow channels or passageways.
The pineal gland is a gland that resides inside the ventricle of the brain. These glands play a role in human sexual maturation. However, the exact function of this gland in humans is still unclear.
Cerebrospinal fluid is a fluid that flows in and about four ventricular chambers of the brain and between the two membranes of the brain lining (meninges) and the spinal cord. This fluid protects the brain from brain injury as well as the spinal cord from spinal injuries.
Also, the cerebrospinal fluid serves to carry nutrients to the brain and remove waste from inside the brain.
Structure of human brain cells
The brain consists of two types of cells, namely neurons and glia cells. Neurons play a role in sending and receiving nerve impulses or signals, while glial cells provide support and nutrition, maintain homeostasis, form myelin, and facilitate signal transmission in the nervous system.
Cranial nerves are 12 pairs of nerves that can be seen on the lower surface of the brain. Each of these nerves has a different specific function. Some cranial nerves carry information from the sensory organs to the brain. Others control muscles and some are connected to human glands or internal organs, such as the heart and lungs.
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Are right and left brain functions different?
The presence of two hemispheres of the brain on the left and right underlies the theory of the left brain and the right brain. If you think more methodically and analytically, then your left brain may be more dominant.
Meanwhile, if every day you are used to thinking about creative or artistic things, then your right brain can be more dominant. But actually, the two parts of the brain complement each other and both have an important role.
Based on differences in right and left brain function, there is a theory that a person can be dominated by the left brain or right brain and this then has an impact on his personality and abilities.
Based on this theory, the difference if one of the functions of the right brain or left brain is more dominant in a person can be seen from:
Someone who is in the dominant left hemisphere, will usually:
- Selecting something in order
- Learn better from the parts than the whole
- Prefer the phonetic reading system
- Like symbol words and letters
- Prefer to read the subject first
- Want to share related fact information
- Prefer sequential instructions in detail
- Experience greater internal focus
- Want structure and prediction
Someone who is the dominant right hemisphere, will usually:
- Feel more comfortable with something random
- Best learn from the whole than the parts
- Prefer the system to read all languages
- Like pictures, graphs, and charts
- Prefer to see or experience the subject first
- Want to share information about the relationship between everything
- Prefer a spontaneous, flowing learning environment
- Experience greater external focus
- Want an infinite, new and surprising approach.
Is True That Every Human Being Has a More Dominant Side of the Brain?
Many opinions are related to the theory of the right brain and left brain as well as its influence on the field of human work. The theory states that each part of the brain controls different ways of thinking and that each part can determine characteristics, even the right type of work for each person.
The scans did not indicate that any part of the brain dominated or influenced a person’s personality. As a result of a study conducted by a neurologist, there was no evidence to support the dominant theory of the right brain or left brain.
The two sides of the brain are interconnected and communicating. People whose left brain is more active have the same amount of neural tissue on the right. And vice versa.
The study confirms that each part of the brain has its function. For example, the right brain is tasked to focus on following directions, while the left brain plays the role of performing language functions.
The storage Capability of This Human mind is nearly infinite. Thus there is no relationship between the dominant right brain versus the left brain against the human personality type.
The left brain and right brain both play an active role for humans in their activities. Therefore, it would be better to maximize the functions of both synergistically, rather than sorting the functions separately.
What about our unbalanced (asymmetrical) brains?
Our knowledge all along says that the left brain controls the part on the right side of the body, and the right brain controls the part of the body on the left. In most activities, including the right side and part of the left side.
So, no wonder if we use more right hand, right foot, certain eyes, etc. According to the study, 9 out of 10 humans have a larger left brain.
Our most active intelligence center is in the left brain, whereas the intelligence center in the right brain is smaller because it is very rarely used as a result of the language functions present in the left brain that are more commonly used, which the right brain does not have.
So physically even the size of the left and right hemispheres of the brain is not the same, depending on which hemisphere the brain is more active in.
What does our left brain control?
But That Doesn’t imply That side of their mind is much more dominant.We can be very creative by using logical stages, patterns, and variations.
Reminds us that one can use the left side of the brain to be creative. Over the years, de Bono conducted a series of processes to get too creative solutions through gradual methods.
Is music activity in the right brain? Think again! Neuroscience researchers found that musicians process music to a greater degree in the left hemisphere of the brain, while those who are not musicians process it more in the right hemisphere of the brain.
Artist in designing artwork, they follow their logic and rules about form, color, and sound. Because for their work to be accepted by the crowd, there must be logical, detailed, and proportionate considerations. To produce a good work of art, it must involve the left and right hemispheres in a balanced manner.
What are the possible diseases in the brain?
When the brain is healthy, it works as quickly and normally as it should. However, some diseases or abnormalities in the brain can appear that can interfere with your brain function and cause a variety of annoying symptoms, such as headaches, dizziness, or other signs associated with the nervous system.
Some diseases or abnormalities that may occur in the human brain are:
Dementia and Alzheimer’s
Dementia is a syndrome that involves memory loss and a severe decline in intellectual function that interferes with an individual’s ability to perform routine tasks. While Alzheimer’s disease is the most common and fastest-growing form of dementia in the elderly.
Parkinson’s disease is a brain disorder that causes body shaking (tremors) and difficulty walking, moving, and coordination.
Epilepsy is a disorder that occurs when brain activity becomes abnormal and causes seizures until it loses consciousness.
Mental disorders or often referred to as psychiatric diseases are medical conditions that develop and affect the brain. This condition can interfere with one’s thoughts, feelings, daily mood, daily functions, and ability to connect with others. Some types of mental disorders may occur such as depression, anxiety, or psychotic disorders such as schizophrenia.
To find out the condition, you can check the symptoms with the existing health calculator. However, you can also consult a doctor to confirm certain changes or symptoms in yourself.
What if the brain is injured?
A brain injury is a brain-related injury that affects a person physically, emotionally, and attitudes. There are two possible forms of injury, traumatic and nontraumatic injuries.
Traumatic injuries are generally caused by external factors, such as accidents, falls, and so on. While nontraumatic injuries occur due to damage to the brain due to internal factors, such as lack of oxygen. Some examples of nontraumatic injuries, namely stroke, meningitis, encephalitis, seizures, brain tumors, and so on.
Other interesting facts about the brain
In addition to the above myths, there are some other interesting facts about the brain that you may not yet know. Here are the facts:
- About 60% of the human brain is made of fat. These fatty acids are very important for brain performance, therefore it is also important to add fatty acid nutrients to the brain.
- Brain data travels around 268 mph. Research shows that the human brain is made up of about 86 billion neurons that form each other’s connections and can combine to increase storage capacity.
- Brain data travels around 268 mph.
- The harder you think, the more oxygen your brain will use from the blood, up to 50 percent.
- The human brain can generate about 23 watts of power (enough to turn on the lights). This power can be obtained with adequate rest, while lack of sleep can increase the buildup of proteins in the brain, which is associated with Alzheimer’s disease.
- The brain can learn and grow with age. This process is called neuroplasticity, which needs to be trained regularly, such as by learning new things that make you think.