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BRAIN DEVICE MOVES OBJECTS BY THOUGHT




                     Shashwat Shriparv
           dwivedishashwat@gmail.com
                           InfinitySoft
Brain Device Moves Objects by
                  Thought


Brain Device (brain-machine interface) is a
   new technology which can let human to
   control electronic devices without lifting a
   finger.
It simply reads brain activity.
How it is possible to
read Brain Thought
The brain-machine interface
analyzes slight changes in the
brain's blood flow and translates
brain motion into electric signals.
By measuring blood flow in the
 brain, researchers can turn thoughts into
 actions
Types of Brain-machine interface


• There are two types of brain-machine
  interface

     • Non-invasive
     • Invasive
Non-invasive Brain-machine interface
This brain-machine interface works on technology called optical topography, which
   sends a small amount of infrared light through the brain's surface to map out
   changes in blood flow.
A key advantage to this technology is that sensors don't have to physically enter the
   brain.
A cap connects by optical fibers to a mapping device, which links working device via
   a control computer
Hitachi has sold a device based on optical
  topography that monitors brain activity in
  paralyzed patients so they can answer
  simple questions.
for example, by doing mental
 calculations to indicate "yes" or
 thinking of nothing in particular to
 indicate "no."
Challenges :
Size is one issue, though Hitachi has
  developed a prototype compact headband
  and mapping machine that together
  weight only about two pounds.
Another would be to tweak the interface to
  more accurately pick up on the correct
  signals while ignoring background brain
  activity.
With over 100 tiny metal electrodes, the
 berlin brain computer interface is the
 most advanced non-invasive system in
 the world
INVASIVE BRAIN-MACHINE
  INTERFACE

This technologies was developed by U.S.
 companies like Neural Signals Inc.
 required implanting a chip under the skull.
Brain device moves objects by thought
A paralysed man in the US has become the
  first person to benefit from a brain chip
  that reads his mind.
Matthew Nagle, 25, was left paralysed from
  the neck down and confined to a
  wheelchair after a knife attack in 2001.
The brain chip reads his mind and sends
  the thoughts to a computer to decipher
Recently four people, two of them partly
 paralysed wheelchair users, were able to
 move a computer cursor while wearing a cap
 with 64 electrodes that pick up brain waves.
Mr. Nagle's device, called Brain Gate, consists
 of nearly 100 hair-thin electrodes implanted a
 millimetre deep into part of the motor cortex
 of his brain that controls movement .
A team of scientists inserted the device, called
  a neuromotor prosthesis (NMP or Brain
  Gate), into an area of the brain known as the
  motor cortex which is responsible for
  voluntary movement.
The NMP comprises an internal sensor that
  detects brain cell activity, and external
  processors that convert the activity into
  signals that can be recognised by a
  computer.
A company called Cyberkinetics
  Neurotechnology Systems created the
  BrainGate device. Professors and
  students at Brown University formed
  Cyberkinetics in two thousand one. They
  based their work on research developed
  in the laboratory of neuroscientist John
  Donoghue
SEE HOW THE SYSTEM WORKS
 Although the patient's spinal cord had been
  severed for three years by the time of the
  trial, the scientists found that brain cell
  activity - or neural firing patterns - persisted
  in the patient's motor cortex.
The electrodes in the NMP were able to record
  this activity and send it to a computer. The
  computer then translated the firing patterns
  into movement commands which could drive
  computer controls or artificial limbs.
BrainGate is made up of a sensor, which is
 implanted in the brain and attached to
 neurons. The upper left image shows the
 device that attaches to the implant on the
 outside of the brain. The white box is
 about the size of a VHS tape and contains
 software that digitizes the signals coming
 from the neurons. The image labeled
 "cart" depicts the computer system that
 interprets the digital code.
Brain device moves objects by thought
IN THE FUTURISTIC VISION OF THE WACHOWSKI BROTHERS'
MOVIE TRILOGY "THE MATRIX," HUMANS DIVE INTO A VIRTUAL
WORLD BY CONNECTING THEIR BRAINS DIRECTLY TO A
COMPUTER……
REAL STORY 1: MONKEY THINK, ROBOT
DO
>> MONKEY CONTROL ROBOT ARM BY
MIND
FROM EEG FEATURE TO 1D/BINARY
CONTROL


           Brain Signal   Translation / Classification
                                                         Control device
Brain device moves objects by thought
NEURON SPIKE BASED BMI (BRAIN MACHINE INTERFACE)




     • high speed real time control
    • precise control of movement
                •invasive
          •high risk for clinical
               application


   •Brain to Action
   • Sensation Brain
BCI IS BECOMING A BIG WAVE
  140
                                 127
  120
  100
   80
   60                                   SCI paper
                         48
   40
   20
          2       4
    0
        1985-   1991-   1996-   2001-
        1990    1995    2000    2004
Area of implementation:-
 •   Medical science




 •   Robotics
FUTURE IMPLEMENTATION :-


Researches are
 going on for
 brain-to-brain
 communication
Thank you

                  Shashwat Shriparv
        dwivedishashwat@gmail.com
29
                        InfinitySoft

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Brain device moves objects by thought

  • 1. BRAIN DEVICE MOVES OBJECTS BY THOUGHT Shashwat Shriparv dwivedishashwat@gmail.com InfinitySoft
  • 2. Brain Device Moves Objects by Thought Brain Device (brain-machine interface) is a new technology which can let human to control electronic devices without lifting a finger. It simply reads brain activity.
  • 3. How it is possible to read Brain Thought
  • 4. The brain-machine interface analyzes slight changes in the brain's blood flow and translates brain motion into electric signals.
  • 5. By measuring blood flow in the brain, researchers can turn thoughts into actions
  • 6. Types of Brain-machine interface • There are two types of brain-machine interface • Non-invasive • Invasive
  • 7. Non-invasive Brain-machine interface This brain-machine interface works on technology called optical topography, which sends a small amount of infrared light through the brain's surface to map out changes in blood flow. A key advantage to this technology is that sensors don't have to physically enter the brain. A cap connects by optical fibers to a mapping device, which links working device via a control computer
  • 8. Hitachi has sold a device based on optical topography that monitors brain activity in paralyzed patients so they can answer simple questions. for example, by doing mental calculations to indicate "yes" or thinking of nothing in particular to indicate "no."
  • 9. Challenges : Size is one issue, though Hitachi has developed a prototype compact headband and mapping machine that together weight only about two pounds. Another would be to tweak the interface to more accurately pick up on the correct signals while ignoring background brain activity.
  • 10. With over 100 tiny metal electrodes, the berlin brain computer interface is the most advanced non-invasive system in the world
  • 11. INVASIVE BRAIN-MACHINE INTERFACE This technologies was developed by U.S. companies like Neural Signals Inc. required implanting a chip under the skull.
  • 13. A paralysed man in the US has become the first person to benefit from a brain chip that reads his mind. Matthew Nagle, 25, was left paralysed from the neck down and confined to a wheelchair after a knife attack in 2001. The brain chip reads his mind and sends the thoughts to a computer to decipher
  • 14. Recently four people, two of them partly paralysed wheelchair users, were able to move a computer cursor while wearing a cap with 64 electrodes that pick up brain waves. Mr. Nagle's device, called Brain Gate, consists of nearly 100 hair-thin electrodes implanted a millimetre deep into part of the motor cortex of his brain that controls movement .
  • 15. A team of scientists inserted the device, called a neuromotor prosthesis (NMP or Brain Gate), into an area of the brain known as the motor cortex which is responsible for voluntary movement. The NMP comprises an internal sensor that detects brain cell activity, and external processors that convert the activity into signals that can be recognised by a computer.
  • 16. A company called Cyberkinetics Neurotechnology Systems created the BrainGate device. Professors and students at Brown University formed Cyberkinetics in two thousand one. They based their work on research developed in the laboratory of neuroscientist John Donoghue
  • 17. SEE HOW THE SYSTEM WORKS Although the patient's spinal cord had been severed for three years by the time of the trial, the scientists found that brain cell activity - or neural firing patterns - persisted in the patient's motor cortex. The electrodes in the NMP were able to record this activity and send it to a computer. The computer then translated the firing patterns into movement commands which could drive computer controls or artificial limbs.
  • 18. BrainGate is made up of a sensor, which is implanted in the brain and attached to neurons. The upper left image shows the device that attaches to the implant on the outside of the brain. The white box is about the size of a VHS tape and contains software that digitizes the signals coming from the neurons. The image labeled "cart" depicts the computer system that interprets the digital code.
  • 20. IN THE FUTURISTIC VISION OF THE WACHOWSKI BROTHERS' MOVIE TRILOGY "THE MATRIX," HUMANS DIVE INTO A VIRTUAL WORLD BY CONNECTING THEIR BRAINS DIRECTLY TO A COMPUTER……
  • 21. REAL STORY 1: MONKEY THINK, ROBOT DO
  • 22. >> MONKEY CONTROL ROBOT ARM BY MIND
  • 23. FROM EEG FEATURE TO 1D/BINARY CONTROL Brain Signal Translation / Classification Control device
  • 25. NEURON SPIKE BASED BMI (BRAIN MACHINE INTERFACE) • high speed real time control • precise control of movement •invasive •high risk for clinical application •Brain to Action • Sensation Brain
  • 26. BCI IS BECOMING A BIG WAVE 140 127 120 100 80 60 SCI paper 48 40 20 2 4 0 1985- 1991- 1996- 2001- 1990 1995 2000 2004
  • 27. Area of implementation:- • Medical science • Robotics
  • 28. FUTURE IMPLEMENTATION :- Researches are going on for brain-to-brain communication
  • 29. Thank you Shashwat Shriparv dwivedishashwat@gmail.com 29 InfinitySoft