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BRAIN GATE

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What is Brain Gate/Brain Machine Interface/Brain Computer Interface

Brain gate is an electrode chip which can be implemented in the brain. When it is implemented in brain, the electrical signal exchanged by neurons within the brain. Those signals are sent to the brain and it executes body movement. All the signaling process is handled by special software. The signal sends to the computer and then the computer is controlled by patient.
Whenever a man forgotten about his past due to certain accidental matter or he had lost his part of his body, at that time this electrode chip can be implemented on his brain and active the man as well.


Types of Brain Computer Interface(BCI)

One way BCI

Computers either accept commands from the brain or send signals to it

Two way BCI

Allow brains and external devices to exchange information in both directions.


History of Brain Gate…

Research on BCIs has been going on for more than 30 years, but from the mid-1990s there has been a dramatic increase in working experimental implants.
Brain gate was developed by the bio-tech company Cyberkinetics in 2003 in conjuction with the Department of Neuroscience at Brown University.


PRINCIPLE:

The system consists of a sensor that is implanted on the motor cortex of the brain (Pedestal) and a Brain Gate Neural Interface Device that analyzes the brain signal.
The principle is that the intact brain functions, brain signals are generated even though they are not sent to the arms,hands and legs.The signals are interpreted and translated into cursor movements,offering the user an alternate”BRAIN GATE PATHWAY” to control a computer with thought,just as individuals who have the ability to move their hands.


CONCLUSION

According to the Cyberkinetics' website, two patients have been implanted with the Brain Gate system.

Using the system, called Brain Gate, the patient can read e-mail, play video games, turn lights on or off and change channels or adjust the volume of a television set.

In early test sessions, the patient was able to control the TV and carry on a conversation and move his head at the same time.

The results are spectacular and almost unbelievable.

Brain Gate can help paralyzed people move by controlling their own electric wheelchairs, communicate by using e-mail and Internet-based phone systems, and be independent by controlling items such as televisions and thermostats.

Finally BRAIN GATE has proved to be a boon for paralyzed patient .