Posts Tagged ‘neurosci’
Neural interface translates thoughts into type
May 17, 2021Opinion | The Brain Implants That Could Change Humanity – The New York Times
November 11, 2020https://www.nytimes.com/2020/08/28/opinion/sunday/brain-machine-artificial-intelligence.html interesting but v. long opinion piece
The Brain as Computer: Bad at Math, Good at Everything Else – IEEE Spectrum
September 14, 2020What Intelligent Machines Need to Learn From the Neocortex – IEEE Spectrum
September 14, 2020Machines won’t become intelligent unless they incorporate certain features of the human brain. Here are three of them
By Jeff Hawkins
A Decade Ago, a Scientist Promised a Brain Simulation in a Decade
August 3, 2019QT:{{”
“In a recent paper titled “The Scientific Case for Brain Simulations,” several HBP scientists argue that big simulations “will likely be indispensable for bridging the scales between the neuron and system levels in the brain.” In other words: Scientists can look at the nuts and bolts of how neurons work, and they can study the behavior of entire organisms, but they need simulations to show how the former creates the latter. The paper’s authors draw a comparison to weather forecasts, in which an understanding of physics and chemistry at the scale of neighborhoods allows us to accurately predict temperature, rainfall, and wind across the whole globe.”
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Action potentials
September 29, 2018Action potentials
September 29, 2018BBC – Earth – The strange link between the human mind and quantum physics
September 23, 2018The strange link between the human mind & quantum physics
http://www.BBC.com/earth/story/20170215-the-strange-link-between-the-human-mind-and-quantum-physics Wave packet collapse & decision making. A potential connection between #QuantumComputing & #Neuroscience
QT:{{”
“As a result, physicists are often embarrassed to even mention the words “quantum” and “consciousness” in the same sentence.
But setting that aside, the idea has a long history. Ever since the “observer effect” and the mind first insinuated themselves into quantum theory in the early days, it has been devilishly hard to kick them out. A few researchers think we might never manage to do so. …
One particularly puzzling question is how our conscious minds can experience unique sensations, such as the colour red or the smell of frying bacon. With the exception of people with visual impairments, we all know what red is like, but we have no way to communicate the sensation and there is nothing in physics that tells us what it should be like.
Sensations like this are called “qualia”. We perceive them as unified properties of the outside world, but in fact they are products of our consciousness – and that is hard to explain. Indeed, in 1995 philosopher David Chalmers dubbed it “the hard problem” of
consciousness.
…
This has prompted him to suggest that “we could make some progress on understanding the problem of the evolution of consciousness if we supposed that consciousnesses alters (albeit perhaps very slightly and subtly) quantum probabilities.””
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Thought experiments | The Economist
February 24, 2018Thought experiments
https://www.Economist.com/technology-quarterly/2018-01-06/thought-experiments Amazing progress in Brain-computer interfaces (#BCIs): paralyzed patients manipulating silverware. Communicating w/ “locked-in” individuals. Will this scale?
QT:{{”
Brain-computer interfaces sound like the stuff of science fiction. Andrew Palmer sorts the reality
from the hype
IN THE gleaming facilities of the Wyss Centre for Bio and
Neuroengineering in Geneva, a lab technician takes a well plate out of an incubator. Each well contains a tiny piece of brain tissue derived from human stem cells and sitting on top of an array of electrodes. …
To see these signals emanating from disembodied tissue is weird. The firing of a neuron is the basic building block of intelligence. ..
This symphony of signals is bewilderingly complex. There are as many as 85bn neurons in an adult human brain, and a typical neuron has 10,000 connections to other such cells. The job of mapping these connections is still in its early stages. But as the brain gives up its secrets, remarkable possibilities have opened up: of decoding neural activity and using that code to control external devices.
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