Brain Computer Interface revolutionizes technology

The Brain Computer Interface (BCI), created by the University of Washington, enabled one researcher to telepathically control the body of another researcher through the Internet.

The ability to telepathically communicate with another person may sound quite complicated, but it is actually easy. It depends on tools regularly used in medical fields.

According to Extreme Tech, the first human brain, the message sender, is linked to a computer by an electroencephalogram (EGG) based BCI. Electroencephalography is the measurement of electrical activity in different brain parts, and the recording of it. The BCI reads the sender’s thoughts, in this case, the sender thinks about moving their hands or feet.

The second human brain (the receiver) is connected to a different computer using a Magstim transcranial magnetic stimulation (TMS.) The TMS stimulates the receiver’s visual cortex that manages body movement. This causes a recipient’s body part to move, an immediate reaction.

This new technological invention can be compared to the transcranial direct current stimulation (tDCS.) Both tDCS and the TMS are used to trigger brain regions and are proven to be entirely harmless so far. TMS uses electromagnetic induction, or the making of an electromotive force across a conductor when it is exposed to a changing magnetic field, to affect the neurons that electrons travel through. Though tDCS passes an electrical current through the brain instead, it still creates a related effect.

According to computer.howstuffworks.com, a setback of the invention is when the EEG is attached to the scalp, the skull can block much of the electrical signal and it alters what gets through. The only way to get a higher resolution signal is for the scientist to implant electrodes directly into the brain, but it requires an invasive surgery.