At present, VR technology is still one of the largest potential stocks in the medical field. Similarly, the world's major medical laboratories are also exploring the possibility of "VR + medical care."
In a breakthrough study by Olaf Blanke, a neuroscientist at EPFL in Switzerland, and the team he led, they found that with the help of VR technology, a physical illusion can be created to alleviate the condition of patients with phantom limb pain.
Blanke explained: "We tried to create an illusion that the amputated experimental patients thought that their legs were being tapped gently, but in fact we were hitting their backs, and the study patients told us It really does reduce the pain."
Many times, due to spinal cord injury, the condition is often accompanied by neuropathic pain, so even if the patient has lost both legs, but the source of pain is also felt from the legs, and these pains are indeed real, and to some extent have drug resistance. However, now VR technology may be a new solution to alleviate this pain.
The research collaborator, Polana Po, a neuroscientist from the University of Lausanne, said: “We hit the sensor on the back near the shoulder, and this sensor can give the patient a knock on the leg. The sensation of hitting sensation, through the VR head display, the patient under test will also get the visual stimulation of the false leg being struck, so will deceive the brain and treat the artificial leg as its own leg.â€
The experimental setup consisted of a pair of prosthetic legs, a camera, VR head and two sticks for tapping. When the prosthetic leg is photographed by the camera, the video frame will be transmitted to the VR head-display in real time. The patient observes his virtual leg from above in the VR and makes them think that they are looking down at their legs. The device, where the medical staff tapped the back of the patient with one of the sticks and tapped the prosthetic leg with the other stick, would help the patient deceive the brain and bring them visual and sensory illusions.
Therefore, the patient will experience both stimuli during the course of the experiment: tactile stimuli from the back and visual stimuli from the VR head. Blanke said: "It takes about a minute or more to create a illusion, because visual stimuli govern their tactile stimuli, so the back sensation is transferred to the legs."
This research not only breaks through the limitations of the application of virtual reality technology in real medical treatment, but it may also use this to manipulate the brain during the treatment of internal medicine to find the source of the disease.
The fields involved in VR technology and the conveniences that bring us life are very extensive. Based on these new findings, medical scientists are seeking new and immersive therapies that can stimulate vision and touch. In the future, patients will adopt this new therapy, even at home. It can also be easily used and relieved.
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