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Tero Toivanen

BBC NEWS | Science & Environment | Simulated brain closer to thought - 1 views

news.bbc.co.uk/...8012496.stm

brain Blue Brain simulated brain science virtual simulation

shared by Tero Toivanen on 24 Apr 09 - Cached
  • A detailed simulation of a small region of a brain built molecule by molecule has been constructed and has recreated experimental results from real brains.
  • While many computer simulations have attempted to code in "brain-like" computation or to mimic parts of the nervous systems and brains of a variety of animals, the Blue Brain project was conceived to reverse-engineer mammal brains from real laboratory data and to build up a computer model down to the level of the molecules that make them up.
  • The first phase of the project is now complete; researchers have modeled the neocortical column - a unit of the mammalian brain known as the neocortex which is responsible for higher brain functions and thought.
  • ...4 more annotations...
  • "It starts to learn things and starts to remember things. We can actually see when it retrieves a memory, and where they retrieved it from because we can trace back every activity of every molecule, every cell, every connection and see how the memory was formed."
  • "The next phase is beginning with a 'molecularisation' process: we add in all the molecules and biochemical pathways to move toward gene expression and gene networks. We couldn't do that on our first supercomputer."
  • Organised columns of neurons have been simulated molecule by molecule
  • "This is very interesting research and I'm not criticising it, but it doesn't help us in computer science in having the intelligent behaviour of humans replicated." Professor Markram believes that by building up from one neocortical column to the entire neocortex, the ethereal "emergent properties" that characterise human thought will, step by step, make themselves apparent.
  • Tero Toivanen on 24 Apr 09
     
    A detailed simulation of a small region of a brain built molecule by molecule has been constructed and has recreated experimental results from real brains.
anonymous

The Strange Neuroscience of Immortality - 0 views

www.scoop.it/...ge-neuroscience-of-immortality

neuroscience immortality psychology brain memory

shared by anonymous on 16 Jul 12 - No Cached
  • anonymous on 16 Jul 12
     
    "Hayworth has spent much of the past few years in a windowless room carving brains into very thin slices. He is by all accounts a curious man, known for casually saying things like, "The human race is on a beeline to mind uploading: We will preserve a brain, slice it up, simulate it on a computer, and hook it up to a robot body." He wants that brain to be his brain. He wants his 100 billion neurons and more than 100 trillion synapses to be encased in a block of transparent, amber-colored resin-before he dies of natural causes."
Tero Toivanen

Growing evidence of the brain's plasticity could benefit stroke victims or those suffer... - 1 views

www.guardian.co.uk/...neuroscience-stroke-depression

brain plasticity

shared by Tero Toivanen on 08 Apr 09 - Cached
  • With the right training, scientists now know the brain can reshape itself to work around dead and damaged areas, often with dramatic benefits.
  • Therapies that exploit the brain's power to adapt have helped people overcome damage caused by strokes, depression, anxiety and learning disabilities, and may one day replace drugs for some of these conditions.
  • Children with language difficulties have been shown to make significant progress using computer training tools that are the equivalent of cerebral cross-training.
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  • Neuroplasticity does not see the different regions of the brain as completely versatile and certainly not interchangeable. But it recognises that if part of the brain is damaged, it can be possible to train other areas to take on, at least to some extent, the job of the lost brain matter.
  • Doidge says he is not anti-medication, but wonders if therapies that tap into neuro-plasticity will soon replace drug treatments for certain conditions. "We can change our brains by sensing, imagining and acting in the world. It's economical and mostly low-tech, and I'm very, very hopeful"
  • Tero Toivanen on 08 Apr 09
     
    With the right training, scientists now know the brain can reshape itself to work around dead and damaged areas, often with dramatic benefits.
Tero Toivanen

Kwabena Boahen on a computer that works like the brain | Video on TED.com - 0 views

www.ted.com/...that_works_like_the_brain.html

Kwabena Boahen computer brain retina

shared by Tero Toivanen on 18 Apr 09 - Cached
  • Tero Toivanen on 18 Apr 09
     
    Kwabena Boahen's interesting talk in TED about computer copaired with the brain.
Tero Toivanen

YouTube - Brain-Computer Interfaces (Krishna Shenoy, Stanford University) - 0 views

www.youtube.com/watch

brain computer interfaces Krishna Shenoy

shared by Tero Toivanen on 27 Mar 09 - Cached
  • Tero Toivanen on 27 Mar 09
     
    Video of Krishna Shenoy of Stanford University about brain-computer interfaces, wich could help people suffering problems to communicate.
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