Invasive vs Noninvasive Brain-Computer Interface (BCI)


 

What is Brain-Computer Interface (BCI)


A brain–computer interface (BCI), also known as a neural control interface (NCI) or brain–machine interface (BMI), is a direct communication connection between a wired or augmented brain and an external system. BCIs are often used to study, map, help, augment, or restore human cognitive or sensory-motor functions.


How Brain-Computer Interface Works


A BCI works by collecting brain signals, analyzing them, and converting them into readable commands that are then relayed to an output system to perform the desired action.


Invasive Brain-Computer Interface


Invasive vs Noninvasive Brain-Computer Interface (BCI)



Invasive BCIs are injected directly into the brain during neurosurgery. There are single unit BCIs, which detect signals from a single region of brain cells, and multiunit BCIs, which detect signals from different regions.

Pros

  • Much more fast and accurate
  • Can input information in the brain

Cons


  • Required Surgery

Noninvasive Brain-Computer Interface


Invasive vs Noninvasive Brain-Computer Interface (BCI)



The majority of non-invasive BCI systems rely on electroencephalogram (EEG) signals. electrical brain activity measured using electrodes mounted on the scalp.


Pros

  • No Surgery Required


Cons

  • Not as accurate


Why Brain-Computer Interface is Important


BCI is important in so many ways and can be a game-changer for humanity because BCI has so much potential like a person with a disability can use technology with little to no effort and it can also provide so many benefits for example we can play games without any controller device or learning can very easy like things that we want to learn can be download directly to our brains and person who don't have libs can use prosthetic limbs with the brain like we usually do with our natural libs.



And BCI can allow us to become digitally immortal by uploading our consciousness to a computer or a robot.


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