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BRAIN COMPUTER INTERFACE
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CONTENTS TERMS
INTRODUCTION
HISTORY
HOW TO CONNECT COMPUTER TO BRAIN?
THE ELECTRIC BRAIN
VISUALISED EXPERIENCE
APPLICATIONS
DRAW BACKS |
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TERMS BRAIN
-An organ of soft nervous tissue in skull.
COMPUTER
-An electric device for storing and processing data.
INTERFACE
-A point where two systems, subjects, organizations, meet and interact.
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INTRODUCTION BCI is often called mind machine interface(MMI) or brain machine interface.
It is direct communication between the brain and an external device.
BCI’s are often directed at assisting, augmenting or sensory motor functions.
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HISTORY The field of BCI research and development has since focused primarily on nueroprosthetics applications that aim on damaged hearing, sight and movement.
The first neuroprosthetic devices implemented in human appeared in mid-1990’s. |
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HOW TO CONNECT A COMPUTER TO BRAIN? When silicon germanium nano tubes are placed into a culture of mouse neurons, we find dendrites from the nerve cells were drawn to exposures and grow into and through the tubes and even follow their structure. Then the tubes are made into functional silicon transistor chips that are capable both of reading electrical signals as well as stimulating them. |
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THE ELECTRICAL BRAIN The work done by us is carried out by small electric signals that zip neutrons as fast as 250 mph. Although the path signal escapes. Scientists can detect those electric signals, interrupt what they mean and use them to direct a device of some kind. |
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VISUALISED EXPERIENCE Researches could find out what signals are sent to the brain by optical nerve when some one sees the colour red. They could rig a camera that would send those exact signals into someone’s brain. When ever the camera saw red, allowing a blind person to see with out eyes. |
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APPLICATIONS Ability to control a video game by thought.
To manipulate a computer cursor.
With enough practice, we can gain control over a curser to draw a circle, access computer programs.
Instead of robotic hands, disabled users could have braces attached to limbs.
several Medical purposes. |
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DRAW BACKS In present case, the patient was highly motivated and was familiar with paradigm, but still unable to have a successful interface.
The actual duration for recordings have not been determined. |
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