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The cerebrum and cerebellum are two elements of the human brain’s central nervous system that are vital to our survival. The size, location, and constitution of the brain are the primary differences between the cerebrum and the cerebellum.
The cerebrum is the brain’s largest part, while the cerebellum is a much smaller part. The cerebrum makes up approximately 83 percent of the overall brain, while the cerebellum only makes up about 11 percent. The cerebellum is found in the hindbrain, while the cerebrum is found in the forebrain. Let’s look at what the Cerebellum and Cerebrum are and how they vary.
Cerebrum
The cerebrum is 9 times the size of the greatest region of the brain and accounts for around 80% of the brain’s overall mass. It is separated into two hemispheres, one on the right and one on the left. Within each cerebral hemisphere, grey matter and white matter surround it.
Structure
Cerebral is a portion of the forebrain found in the brain’s upper cranial cavity. It is made up of two parts: the cerebral hemisphere and the cerebral cortex.
Cerebral Hemisphere
The left and right brain hemispheres are represented by two deep lines. The left hemisphere is in charge of the left side of the body, whereas the right hemisphere is in charge of the right side. The Corpus callosum connects the two hemispheres of the brain and aids in interaction between them.
Grey matter surrounds each of the hemispheres. The “Nerve-cells” create this substance. White matter can be found within the grey matter. The “Nerve fibers” create this white substance. The white matter contains nerve fibers that transmit signals between nerve cells and other regions of the brain and body. Each hemisphere of the brain has four lobes: frontal, parietal, occipital, and temporal. It helps with speech, learning, emotions, and other activities, as well as performing the following functions.
Cerebral Cortex
The cerebral cortex is the cerebrum’s structural element. It increases the brain’s surface area. The cerebral cortex is a six-layered structure that resides within the cerebrum. The “Neocortex” is a part of the brain that requires more information processing.
Gyrus
A big raised area in the cerebrum is referred to as “Gyri.” It enhances the cerebrum’s surface area. It divides the lobes based on their functional responsibilities. Gyri also include “Precentral gyrus” motor capabilities in the frontal lobe of the cerebrum. The “Postcentral gyrus” of the parietal lobe is involved in sensory function.
Sulcus
The frontal lobe and the parietal lobe are separated by the central sulcus in the structure of the cerebrum.
Cerebellum
The cerebellum is the second largest portion of the brain, contributing for only 11% of the overall weight of the brain. The cerebellum, like the cerebrum, is divided into two hemispheres: outer grey matter and inner white matter. The cerebellum contains 50% of the brain’s neuron and dedicated cells.
On the back of the brain, there is a structure called the cerebellum. There are anterior, posterior, and flocculonodular lobes in each cerebellar hemisphere. The cerebellum is in charge of learning, reasoning, balance, and posture, among other things.
Structure
The cerebellum, like the cerebrum, contains two hemispheres. It is found beneath the cerebrum’s occipital and temporal lobes.
Behind the pons and above the brainstem is the cerebellum. As a result, the cerebellum is considered a member of the “Hindbrain”.
Cerebellum Hemisphere
After the division of the metencephalon, which is split by the four lobes of the cerebrum by the “Tentorium cerebelli,” the cerebellum develops.
The “vermis” connects the two hemispheres of the cerebellum. It is made up of both grey and white matter. The cerebellum is divided into three lobes: anterior, posterior, and flocculonodular lobes.
A Cerebellum has three zones which is as follows:
Vermis Zone
The midline connects the two hemispheres of the cerebellum.
Intermediate Zone
It can be found intermediate either side of the vermis zone.
Lateral Hemisphere
It’s in the lateral to intermediate zone of the body.
The cerebellum’s major purpose is to command the brain and send signals to the rest of the body to carry out a certain task, which is why it’s also known as the “Little Brain”.
Difference between Cerebellum and Cerebrum
Cerebrum | Cerebellum |
It is Largest part of Brain | It is the Second largest part of brain |
It forms 83% of the brain’s total mass | It forms 11% of the brain’s total mass |
It is Located in the forebrain | It is Located in the hindbrain |
It consist of 6 Cortical Layers | It consist of 3 Cortical Layers |
It has Four Lobes:
| It doesn’t have lobes |
It has Less than 50% of the total neurons in the brain. | It has more than 50% of the total neurons in the brain. |
It is Responsible for Human Senses | It is Responsible for Human inner Equilibrium. |
Conclusion
The cerebrum is 9 times the size of the greatest region of the brain and accounts for around 80% of the brain’s overall mass. It is separated into two hemispheres, one on the right and one on the left.
Cerebral is a portion of the forebrain found in the brain’s upper cranial cavity. It is made up of two parts: the cerebral hemisphere and the cerebral cortex. The cerebral cortex is the cerebrum’s structural element. It increases the brain’s surface area. The cerebral cortex is a six-layered structure that resides within the cerebrum. The “Neocortex” is a part of the brain that requires more information processing.
The cerebellum, like the cerebrum, contains two hemispheres. It is found beneath the cerebrum’s occipital and temporal lobes.
