An overview of Brain computer interface (B.C.I)
What is a brain computer interface??
A brain–computer interface (BCI), sometimes called a neural-control interface (NCI), mind-machine interface(MMI), direct neural interface (DNI), or brain–machine interface (BMI), is a direct communication pathway between an enhanced or wired brain and an external device.
Brain computer interface should not be confused with neuromodulation in that neuromodulation allows bidirectional information flow.
But how does these B.C.I works??
It works simply by picking up electrical signals from the brain. Small electrodes are implanted into to brains grey matter itself, then forwards received electrical signals from the brain to an external device.
With the advancement of this artificial intelligence, users are able to manipulate electronic devices with their mind!!
Through the help of this artificial intelligence, three clinical trial participants with paralysis were able to chat with their family and friends, shopped online and used other tablet computer applications, all by just thinking about pointing and clicking a mouse.
Not just them, Two participants in the BrainGate clinical trial directly controlled a tablet computer through a brain-computer interface to chat with each other online.
|Credit: BrainGate Collaboration|
Looks awesome right??
Sure you might wanna see how this works
B.C.I research has been developed and worked on to help blind and paralyzed patients regain some normal daily activities which healthy people enjoy such as texting, walking and general operation of computer devices.
For years, the BrainGate collaboration has been working to develop the neuroscience and neuroengineering know-how to enable people who have lost motor abilities to control external devices just by thinking about the movement of their own arm or hand,
“It was great to see our participants make their way through the tasks we asked them to perform, but the most gratifying and fun part of the study was when they just did what they wanted to do using the apps that they liked for shopping, watching videos or just chatting with friends,”
One of the participants told us at the beginning of the trial that one of the things she really wanted to do was play music again. So to see her play on a digital keyboard was fantastic.”
“The assistive technologies that are available today, while they’re important and useful, are all inherently limited in terms of either the speed of use they enable, or the flexibility of the interface,”
“That’s largely because of the limited input signals that are available. With the richness of the input from the BCI, we were able to just buy two tablets on Amazon, turn on Bluetooth and the participants could use them with our investigational BrainGate system right out of the box.”
This has great potential for restoring reliable, rapid and rich communication for somebody with locked-in syndrome who is unable to speak,”
“That not only could provide increased interaction with their family and friends, but can provide a conduit for more thoroughly describing ongoing health issues with caregivers.”
“When I see somebody in the neuro-intensive care unit who has had an acute stroke and has lost the ability to move or communicate, I’d like to be able to say, ‘I’m very sorry this has happened, but we can restore your ability to use the technologies you were using before this happened, and you’ll be able to use them again tomorrow,’”
“And we are getting closer to being able to tell someone who has been diagnosed with ALS, ‘even while we continue to seek out a cure, you will never lose the ability to communicate.’ This work is a step toward those goals.”