Website review: Mind Uploading: Brain Facts
Someone discovered this in Neuroscience
•28 reviews since Jun 21, 2002
neuroscience, brain, imported
•ibiblio.org/jstrout/uploading/brainfacts.html
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Reviews of this website
ezkl rated 3 months ago- Not entirely accurate, but still a great read.
- timothydonohue rated 3 months ago
- those distances at the top of the page are incorrect, once they start heading sub mm. typical cell diameters are a handful of microns across, not a hundred. synapses are ~100nm or less.
- thecatlady rated 30 months ago
- i love reading about conscienousness (how do you spell that word) and the human brain.
- Juan-Nipplito rated 33 months ago
- We know little about how sentience exists as brain function, so regarding how memory works, "entia non sunt multiplicanda praeter necessitatem". Assume the most simple explanation (ie mollusc brain) before making things more complicated than necessary.
- annarovita rated 33 months ago
- This is why you need to eat good fish oils. Fish oils are like jet fuel for your brain. You can never get enough fish oils. Ask my kitty.
- Xiri rated 33 months ago
- From the page: "How fast does the brain work? Not very fast by computer standards. An action potential (i.e., nerve impulse) lasts about 1 ms (millisecond). Axons, the long output connection from a cell, come in two basic types: myelinated and unmyelinated. Myelinated axons have an extra layer of "insulation," which allows the action potential to travel about 10 to 100 meters per second. Unmyelinated axons are slower, transmitting at only about 1 meter per second. When the signal reaches the end of the line, it has to cross the synapse to influence the next cell; this process takes about 5 ms. The effect can last from a millisecond to many minutes, depending mostly on the type of the synapse. [Posner p. 339-340]"
- veryanon rated 34 months ago
- A Brief Sketch of the Brain "The following lengths give approximate sizes for structures in the nervous system: 0.001mm: synapses(tip of a connection between neurons) 0.1mm: neurons(brain cell) 1mm: local circuits(small networks of cells) 10mm: maps(spatially organized topographic maps) 100mm: systems(e.g., the visual system) 1000mm: the central nervous system (including spinal cord)"
- DeepSix rated 34 months ago
- From the page: "The following lengths give approximate sizes for structures in the nervous system:
0.001mm: synapses(tip of a connection between neurons)
0.1mm: neurons(brain cell)
1mm: local circuits(small networks of cells)
10mm: maps(spatially organized topographic maps)
100mm: systems(e.g., the visual system)
1000mm: the central nervous system (including spinal cord)" - From the page: "The following lengths give approximate sizes for structures in the nervous system:
- stravinski rated 36 months ago
- good facts, for your brain off course!
- sparkle666 rated 36 months ago
- I can't give this page a bad review because of its subject material, but the orginization is pretty poor.
