The human brain is composed of many structures, such as the cerebrum, the cerebellum, the limbic system, and the brain stem , which all help to make cognition possible. The brainstem and the brain account for the central nervous system, while the nerves account for the peripheral nervous system; together, both the central and the peripheral nervous systems account for the body’s entire nervous system, a vast network of electrical, neurological connections.
The cerebrum, also known as the cerebral cortex, is the major component of the human brain; in many political science fields, the cerebrum is thought to code for human reason, complex thoughts, and meditated action.
The cerebrum consists of the frontal, parietal, occipital, and temporal lobes, with the frontal lobe positioned at the front of the brain, the parietal lobed located at the top of the brain, the temporal lobe sitting at the base of the brain and brainstem, and the occipital lobe situated at the very back of the brain.
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Scientists believe that the frontal lobe is responsible for reasoning, planning, speech, mobility, emotions, and advanced problem solving, the parietal lobe is responsible mobility, orientation, recognition, response to stimuli, and perception, the occipital lobe is responsible for visual interpretation (sight), and the temporal lobe is responsible for perception, recognition, speech, auditory interpretation (hearing), and memory.
Much like the cerebrum (cerebral cortex), the cerebellum is divided into two main hemispheres or sections. Scientists have found that the cerebrum is primarily responsible for mobility, balace, coordination, posture, and motor skills.
The brain stem is situated beneath the structures of the limbic system. The brain stem can be held accountable for essential, but basic, human actions, such as breathing, the heart’s beat and rate, and amount of pressure in the blood. The brainstem is separated into the midbrain, pons, and the medulla.
There are many unexplained concepts, left unknown by scientists, about the human brain. Unfortunately, the human brain may fall easily to brain disorders and diseases, such as Alzheimer’s.