Brain-Computer Interface (BCI) -The Next Tech Era

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Introduction:

Brain Computer Interface (BCI) technology is a powerful communication tool between users and systems.This allows a human to control a computer, peripheral,  or other electronic devices just using thought.It does not require any external devices or muscle intervention to issue commands and complete the interaction.

Working:



                                                         Block representation


  Our brain is full of neurons. It connect with each other to form a super highway for nerve impulses to travel from neuron to neuron to produce thought,hearing, speech or movement. For example if we want to lift something from our hand , then our hand receives a stimulus(signal) from brain and hand will react in response to stimulus by lifting that item. This signal travels at a rate of about 250 feet per second.

The easiest and least invasive method is a use a set of electrodes- a device known as an electroenceplalograph(EEG) --attached
on the surface of the brain beneath the skull.


Types Of BCI:



Invasive BCIs:

Invasive BCIs are implanted directly into the grey matter of the brain by neurosurgery.

Partially Invasive:


It is another brain signal reading process which is applied to the inside the skull but outside the grey matter. An electrode Grid is being implanted by surgical incision.


Non-Invasive:


It is the most useful neuron signal imaging method which  is applied to the outside of the skull just applied on the scalp.

Applications:
  • Provide disabled people with communication, environment control and movement restortion.
  • It enhances the control of devices such as wheelchairs, vehicles, or assistance robots .    
  • This technology will help a lot in medical syetems and its related operations. 
  • This have a massive application in military operations.

Demo Video:

                                 Mind Communication



Conclusion:

This is going to lead the future technology . The world is going to be a better place for disabled and handicap persons. This technology has potential to touch millions of lives.

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