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A joint research team from Sony CSL and the University of Chicago is working on a wearable device that feels like accelerating the human reflexes. With a small phototransistor, it detects that it is moving quickly, and accordingly, it applies EMS to the muscles, that is, electrical stimulation of the muscles so that humans can move.
It is said that ultra-high-speed arithmetic processing is used as electrode pads to stimulate muscles and to feel as if reflexes are strengthened. These days, mechanical prostheses or prosthetic feet or reinforced exoskeletons are sometimes worn to enhance human abilities. However, if you do this, you can simply expand your strength and ability, but the technology does not directly affect the body that is directly connected to the muscles or nerves. In contrast, the technology the research team makes can be said to be an attempt to’boost’ the human body’s reflexes itself.
The average human reaction time is 250 milliseconds. In other words, it can take about a quarter of a second for your body to see and react. However, the reaction is said to be reduced to 200 milliseconds when the device is installed. In other words, it takes 50 milliseconds from the eye to the brain and to certain muscles. In this study, the instructions transmitted by the brain are replaced by machines.
Of course, the real purpose of this study is to explore the boundary of perception whether the body feels that the body has moved up to a certain boundary even if the body is moved by external factors faster than one’s will. For example, I try to recognize and hold a pen that fell in front of my eyes, but it is actually moved by a machine. However, humans can be mistaken for voluntarily doing everything. It is to explore how far this speed will come to realize that the machine has done it.
Research results suggest that even if it is 80 milliseconds faster than the normal visual response, there is a time boundary that maintains the sense of the actor. If you subtract 80 from 250 milliseconds, it will decrease by 30%, which means that humans are likely to be mistaken.
Of course, we are not considering generalizing this technique. However, by adding these functions to a machine such as a prosthesis or prosthetic leg, a person may be supported by the machine while maintaining the confidence and dignity that he has acted according to his or her will. However, there may be a discrepancy between the body movement and the thought that the body is moving with a machine for the moment to stop, but the body has already moved. Generalization can be difficult as this can happen. Related information can be found here .
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