Hitachi has unveiled a prototype brain-computer interface.

The interface is equipped with eight pairs of laser / optical sensor for measuring the activity of the frontal lobe of the cerebral cortex in the hoop worn on the head.
The company has made a small and easy-to-use device based on medical equipment.
The cost of the device is about 840,000 US dollars.
You can see what this miracle looks like here: editorial.gettyimages.com/Search/Search.aspx?EventId=74218417