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BRAIN-COMPUTER INTERFACE P.SRIKANTH P.PRAVALLIKA II/IV B.TECH (IT) II/IV B.TECH (IT) [email protected] .com [email protected] NARSAPUR-534280 ABSTRACT: This paper focuses on the Brain Chip Technology which helps quadriplegic people to do things like checking e-mail, turning the TV, lights on or off—with just their thoughts. Also the definition of Brain-Computer Interface, the primary goal of designing Brain gate, the basic elements of BrainGate, the research work and some short comings of BrainGate were also presented. INTRODUCTION: An implantable brain- computer interface the size of an aspirin has been clinically tested on humans by American company Cyberkinetics. The 'BrainGate' device can provide paralysed or motor-impaired patients a mode of communication through the translation of thought into direct computer control. The technology driving this breakthrough in the Brain-Machine- Interface field has a myriad of potential applications, including the development of human augmentation for military and commercial purposes. A Brain-Computer Interface sometimes called a direct neural interface or a brain-machine interface(BMI) accepts commands directly from the human or animal brain without requiring physical movement
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and can be used to operate a computer or other technologies. This broad term can describe many actual and theoretical interfaces. In this definition of Brain- Computer Interface the word brain mean the brain or nervous system of an organic life form rather than the mind. Computer means any processing or computational device form an integrated circuit to silicon chip. The term ‘Brain- Computer Interface’ refers to the direct interaction between a healthy brain and a computer. The goal of the BrainGate program is to develop a fast, reliable and unobtrusive connection between the brain of a severely disabled person and a personal computer. The aim of designing this chip is to provide paralysed individuals with a gateway through which they can access the broad capabilities of computers, control devices in the surrounding environment, and even move their own limbs. Researchers at the University of Pittsburgh have already demonstrated that a monkey can feed itself with a robotic arm simply by using signals from its brain, an advance that could enhance prosthetics for people, especially those with spinal cord injuries. Now, using the BrainGate system in the current human trials, a 25 year old quadriplegic has successfully been able to switch on lights, adjust the volume on a TV, change channels and read e-mail using only his brain. Crucially the patient was able to do these tasks while carrying on a conversation and moving his head at the same time. John Donoghue, the
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This note was uploaded on 03/26/2011 for the course IT 101 taught by Professor Dontknow during the Spring '07 term at Northern Virginia.

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