Let’s continue the human brain study required for fully understanding the human brain—for advancing human immortality biotech, neurotech, and artificial intelligence.
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To the best of my knowledge, the latest neuroscience has determined that the human brain performs signal, information, and data transmission, processing, and generation both bioelectrically and biochemically—although the latest neuroscience doesn’t know exactly how and why the human brain perform signal, information, and data transmission, processing, and generation exactly.
In biology, cell signaling or cell communication is the ability of a cell to receive, process, and transmit signals with its environment and with itself. Cell signaling is a fundamental property of all cellular life in prokaryotes and eukaryotes. Signals that originate from outside a cell (or extracellular signals) can be physical agents like mechanical pressure, voltage, temperature, light, or chemical signals (e.g., small molecules, peptides, or gas). Cell signaling can occur over short or long distances, and as a result can be classified as autocrine, juxtacrine, intracrine, paracrine, or endocrine. Signaling molecules can be synthesized from various biosynthetic pathways and released through passive or active transports, or even from cell damage.
In this audiovisual series, I’ll first go over where in the human brain the different sensory nerves are connected; I’ll first take a look at the different physical interfaces of the visual, aural, tactile, olfactory, and gustatory human-body sensors in the human brain.
In this audiovisual series, I’ll take a deeper look into the cell signaling in the human brain, using the existing neuroscience researches and results on the Internet.
In this audiovisual series, I’ll take a deeper look into all the different parts of the human brain, their tissular, cellular, and molecular structures and functions, using the existing neuroscience researches and results on the Internet.
In this audiovisual series, I’ll develop, document, and publish my strategy for finding, documing, and publishing how the human brain creates the human psychology in the social, economic, sexual, political, competitive, collaborative, creative, and procreative human behavior dimensions; how the human brain processes data beyond the preliminary sensory information processing; and how the language processing and generation works in the human brain.
Let’s first take a look at the different sensory nerves in the human brain.
In neuroanatomy, the human optic nerve, also known as the second cranial nerve, cranial nerve II, or simply CN II, is a paired cranial nerve that transmits visual information from the retina to the brain. In humans, the optic nerve is derived from optic stalks during the seventh week of development and is composed of retinal ganglion cell axons and glial cells; it extends from the optic disc to the optic chiasma and continues as the optic tract to the lateral geniculate nucleus, pretectal nuclei, and superior colliculus.
The human optic nerve diameter increases from about 1.6 mm within the eye to 3.5 mm in the orbit to 4.5 mm within the cranial space. The optic nerve component lengths are 1 mm in the globe, 24 mm in the orbit, 9 mm in the optic canal, and 16 mm in the cranial space before joining the optic chiasm. There, partial decussation occurs, and about 53% of the fibers cross to form the optic tracts. Most of these fibers terminate in the lateral geniculate body. I’ll look into why the human optic nerve thickness increases as it gets further away from the human eye. I’ll contemplate on devising one or more methods for finding out, documenting, and publishing the visual signal transmission mechanism in the human optic nerve.
I’ll continue in part 4.
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