Let’s continue going over the basic knowledge required for fully understanding the human brain—for advancing human immortality biotech, neurotech, and artificial intelligence.
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Let’s quickly go over the human brain anatomy with the names and 3D locations of all the different parts of the human brain. I’ll use one or more Wikipedia images, and cover all the different parts of the human brain, just mentioning the names and their 3D locations first without going into too much details.
The human brain consists of the three major parts: cerebrum, the brainstem and the cerebellum. I’m going to find out how the human brain works exactly; I’ll find out, document, and publish how the human cerebrum, the brainstem and the cerebellum work exactly at the human-brain tissular, cellular, subcellular, molecular, atomic, and subatomic levels. I’ll invent and commercialize microscopic 3D human brain scanner, and human-brain biochemical analyzer and determiner, to find out how the human brain funcitons exactly. I will micrograph and publish every single neural wiring in the human brain; I will find out and publish how the human brain processes visual, aural, tactile, olfactory, and gustatory information; I will find out and publish how exactly the human psychology happens in the human brain. Eventually, I will develop and commercialize one or more human-brain part and whole human brain synthesizer or manufacturing biotechnologies for curing human-brain diseases and damages, and enabling the human immortality biotech.
The cerebrum, the largest and uppermost part of the human brain, consists of two cerebral hemispheres. Each hemisphere has an inner core composed of white matter, and an outer surface – the cerebral cortex – composed of grey matter. The cortex has an outer layer, the neocortex, and an inner allocortex. The neocortex is made up of six neuronal layers, while the allocortex has three or four. Each cerebral hemisphere is conventionally divided into four lobes – the frontal, temporal, parietal, and occipital lobes. The frontal lobe is associated with executive functions including self-control, planning, reasoning, and abstract thought, while the occipital lobe is dedicated to vision. Within each lobe, cortical areas are associated with specific functions, such as the sensory, motor and association regions. Although the left and right hemispheres are broadly similar in shape and function, some functions are associated with one side, such as language in the left and visual-spatial ability in the right. The hemispheres are connected by commissural nerve tracts, the largest being the corpus callosum.
Within the cerebrum is the ventricular system, consisting of four interconnected ventricles in which cerebrospinal fluid is produced and circulated. Underneath the cerebral cortex are several important structures, including the thalamus, the epithalamus, the pineal gland, the hypothalamus, the pituitary gland, and the subthalamus; the limbic structures, including the amygdala and the hippocampus; the claustrum, the various nuclei of the basal ganglia; the basal forebrain structures, and the three circumventricular organs.
The cerebrum is connected by the brainstem to the spinal cord. The brainstem consists of the midbrain, the pons, and the medulla oblongata. The cerebellum is connected to the brainstem by three pairs of nerve tracts called cerebellar peduncles.
The brainstem (or brain stem) is the posterior stalk-like part of the brain that connects the cerebrum with the spinal cord. In the human brain the brainstem is composed of the midbrain, the pons, and the medulla oblongata. The midbrain is continuous with the thalamus of the diencephalon through the tentorial notch, and sometimes the diencephalon is included in the brainstem.
I’ll continue in part 24.
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