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VYSAKH SHARMA S7 AE & I ROLL NO: 65 MOUNT ZION COLLEGE OF ENGINEERING KERALA

37618331 Brain Machine Interface

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Page 1: 37618331 Brain Machine Interface

VYSAKH SHARMA S7 AE & I ROLL NO: 65 MOUNT ZION COLLEGE OF ENGINEERING KERALA

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The bioport Load new skills into their colleagues' brains

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The bioport (that’s what the technology was called in movie) was a way of giving the Matrix computers full access to the information channels of the brain.

The rebels use the bioport to load new skills into their colleagues' brains—writing directly into permanent memory.

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Imagine all this turning to reality. All your exam time problems

vanishing. You being able to memorize your

course books with just a tap of button. A BMI is an attempt to mesh our

minds with machine. These are electronic interfaces with the brain , which has ability to send & receive signals from brain.

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Main principle behind this interface is the bioelectrical activity of nerves and muscles.

The brain is composed of millions of neurons. These neurons work together in complex logic and produce thought and signal that control our bodies.

When the neuron fires or activates there is a voltage change across the cell, which can be read through a variety of devices.

By monitoring or analyzing these signals, we can understand the working of brain.

A neuron depolarizes to generate an impulse.

We can control the brain function by artificially producing these signals and sending them to respective parts.

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Moving to reality, many researches are actually going on to explore the possibility of the man and machine merger

Trials for the implanted chip technology have been very successful for monkeys, who have learned to control a computer game with their brains.

Scientists are finding different ways of receiving senses for people who have lost a sense, such as sight or touch, they are made wear an artificial sensor.

Scientists at the Max Planck Institute have developed "neuron transistors" that can detect the firing of a nearby neuron, or alternatively, can cause a nearby neuron to fire, or suppress it from firing

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BMI

INVASIVESEMI –

INVASIVENON-

INVASIVE

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INVASIVE BMI SEMI INVASIVE BMI NON INVASIVE BMI MODEL MODEL MODEL

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ElectrodesSignal Processing SectionExternal DeviceFeedback

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Demonstrated on 31st March,2009.Enables a user to control an ASIMO robot using nothing more than thought. A headset containing both (EEG) and near-infrared spectroscopy (NIRS) sensors used.User simply imagines moving either hand, tongue or feet - and ASIMO makes a corresponding movement.

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http://www.youtube.com/watch?v=q-fE9QBy0FI

VIDEO OF EXPERIMENT FROM HONDAS BMI.

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Scientists who are finding different ways of receiving senses. People who have lost a sense, such as sight or touch wear an artificial sensor.

This might be a video camera, or a touch sensitive glove. Then, electrical pulses which encode the sense are sent to brain via a strip on their tongue

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REMOTE CONTROL BrainGate technology is designed to read brain signals associated with controlling movement, which a computer could translate into instructions for moving a computer cursor or controlling a variety of assistive devices.

Plugging a sensor into the human brain's motor cortex could turn the thoughts of paralysis victims into action. Team of Brown University scientists have expanded its efforts to developing technology that reconnects the brain to lifeless limbs.

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BrainGate Neural Interface includes a baby aspirin–size brain sensor containing 100 electrodes

Sensor connects to the surface of the motor cortex (the part of the brain that enables voluntary movement), registers electrical signals from nearby neurons, and transmits them through gold wires to a set of computers, processors and monitors.

BrainGate can assist those suffering from spinal cord injuries, muscular dystrophy, brain stem stroke, amyotrophic lateral sclerosis (ALS), and other motor neuron diseases

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ELECTRODE IMPLANTED UNDER NEURON

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An ordinary silicon chip, with the outermost 20 nm oxidized, is an ideal substrate to cultivate neurons on.

The silicon oxide layer insulates the two sides and stops any electrochemical charge transfer, which might damage the chip or the cell.

Instead, there is only a capacitative connection, established by a so-called planar core-coat conductor. Proteins sticking out of the lipid membrane ensure that there is a thin (50-100 nm) conducting layer between lipid and silicon oxide, which constitutes the core of the conductor.

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Gamers will soon be able to interact with the virtual world using their thoughts and emotions alone.

A neuro-headset which interprets the interaction of neurons in the brain will go on sale later this year.

It’s a brain computer interface that reads electrical impulses in the brain and translates them into commands that a video game can accept and control the game dynamically

The headset could detects more than 30 different expressions, emotions and actions.

Gamers are able to move objects in the world just by thinking of the action

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In this era where drastic diseases are getting common , it is a boon if we can develop it to its full potential.

It provides better living , more features, more advancement in technologies etc.

Linking up in this way would allow for computer intelligence to be hooked more directly into brain.

By this human get gradual co-evolution with computers.

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Getting the right codes out for the desired action Permanent brain damage. Virus attack may occur to brain causing ill effect. In the networked brain condition –what will

mean to be human? Animal rights. Extensive training required.

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A great deal of efforts in neuroscience, robotics, and computer science are today spent by many research groups to develop BMI.Concept of BMI have been used for a large number of applications in various fields.Till now research is going on largely on monkeys and rats.

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