Martin's Seminar on Brain Control Interface(BCI)

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Martin's Seminar on Brain Control Interface(BCI)

  1. 1. BRAIN COMPUTER INTERFACE
  2. 3. The Electric Brain <ul><li>Transmitting signals directly to someone's brain that would allow them to see, hear or feel specific sensory inputs. </li></ul><ul><li>Making Science Fiction into Reality. </li></ul><ul><li>Isn't about Convenience – disabled people. </li></ul>
  3. 4. Brain – Neurons… <ul><li>Brain is filled with Neurons . </li></ul><ul><li>Nerve cells are connected by Dendrites & Axons . </li></ul><ul><li>Signals are in form of small </li></ul><ul><li>Electronic, as fast as 250mph. </li></ul><ul><li>Signals are generated by difference in Electric potential carried by Ions on the Membrane of each Neuron. </li></ul>
  4. 5. BCI – Input & Output <ul><li>One of the biggest challenges BCI facing is the Basic Mechanism of the Interface itself. </li></ul><ul><li>The Easiest & least invasive method is a set of electrodes & the device which is attached to the scalp is known as </li></ul><ul><li>E LECTRO E NCEPHALO G RAPH (EEG). </li></ul><ul><li>The Electrodes can read the Brain signals. </li></ul><ul><li>The another way to measure brain activity is with </li></ul><ul><li>Magnetic Resonance Image (MRI). </li></ul>
  5. 7. BCI Applications <ul><li>Development of devices that can be controlled by thoughts. </li></ul><ul><li>If you think, a remote control is convenient, imagine changing channels with your mind. </li></ul><ul><li>A more difficult task is interpreting the brain signals for movement in someone who can't physically move their own arm. </li></ul><ul><li>Once the basic mechanism of converting thoughts to computerized or robotic action is perfected, the potential uses for the technology are almost limitless. </li></ul>
  6. 8. Sensory Input <ul><li>The most common and oldest way to use a BCI is a cochlear implant. </li></ul><ul><li>A cochlear implant bypasses the nonfunctioning part of the ear, processes the sound waves into electric signals and passes them via electrodes right to the auditory nerves. The result: A previously deaf person can now hear. </li></ul><ul><li>With enough practice, users can gain enough control over a cursor to draw a circle, access computer prog’s & control T.V. </li></ul>Dr. Peter Brunner demonstrates the brain-computer interface at a conference in Paris.

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