Top 10 Practices of Virtual Reality (VR) in the Medical Field
Release date: 2016-03-04
Virtual reality is really coming. Considering only the healthcare sector, its potential application value is enormous. For many years, scientists and medical experts have been developing and researching virtual reality to take advantage of virtual reality methods to help them diagnose, treat, and train medical staff.
    Many virtual reality technologies are now being used in clinical practice. Of course, with the continuous development of virtual reality technology, these methods are constantly developing and improving. Here are ten examples that have been applied to practice.
Exposure therapy
    Exposure therapy is one of the ways to treat phobia. Psychiatrists at the University of Louisville have used virtual reality to help patients overcome fear and treat claustrophobic patients.
    In this case, virtual reality technology is used to create a controlled simulation environment for patients, so that patients can break away from escapism, face their fears, and even practice coping strategies. All of this is due to the use of virtual reality technology - the world of simulation is privately set, secure, and can be easily stopped or repeated artificially.
Treatment of post-traumatic stress disorder
    Similar to exposure therapy, which can be used to treat phobias and anxiety disorders, virtual reality can also be used to treat post-traumatic stress disorder (PTSD) in soldiers. The University of Southern California's Institute of Innovative Technology mentioned in a paper that virtual reality has been used to treat post-traumatic stress disorder as early as 1997 when Georgia Tech released the so-called Virtual Vietnam VR.
    Recently, clinics and hospitals are using virtual reality technology to simulate wars, such as the Iraq war, the war in Afghanistan, etc., helping veterans to repeatedly experience the traumatic events they have experienced. In a secure, controlled virtual environment, they can learn how to deal with crises, avoid dangerous situations, and protect themselves and others.
Analgesic treatment
    For burn patients, pain is a problem that has to be faced. Doctors hope to distract patients' attention through virtual reality and use distraction therapy to help them deal with pain. The University of Washington has launched a virtual reality video game called SnowWorld, in which patients can throw snowballs at penguins and listen to Paul Simon's music, reducing pain during the treatment process by suppressing pain and blocking pain pathways in the brain. Pain, such as wound care, physical therapy, etc. A 2011 study by the military showed that SnowWorld's analgesic effect is better than morphine for soldiers who burn by explosion.
Surgical training
    Surgeons usually have to deal with corpses when they are trained. They must go through a process of continuous accumulation of experience and gradual training before taking over a surgical task or taking on a bigger role in surgery. Virtual reality technology allows virtual surgeons to immersively simulate the surgical procedure through a virtual surgical field without any risk to the real patient.
    Stanford University's surgical simulators even provide tactile feedback to surgical trainers. The Stanford University Endoscopic Sinus Surgery Simulator creates a three-dimensional model of the patient's CT scan for the trainer to simulate surgery. This example was put into use in 2002. Although this technology does not use a head-mounted display, this basic work has a certain effect on the effectiveness of future virtual simulations.
Phantom limb pain
    Phantom limb pain is a common medical problem for patients who have lost their limbs. For example, some people without arms will feel that they are clenching their fists and cannot relax. Of course, this is still light, and many phantom limb pains are more unbearable than this. In the past, mirror therapy was often used to solve the problem of phantom limb pain. That is, let the patient see a mirror image of their healthy limbs, so that the brain may be synchronized with real limb movements and phantom limb movements, thereby alleviating phantom limb pain.
    Similarly, last year's medical journal Frontiers in Neuroscience published a study investigating the possible role of virtual reality games in relieving phantom limb pain. The report states that the sensor is capable of receiving nerve signals from the brain. In the game, patients use virtual limbs to complete the prescribed tasks, which can help them gain some control and learning ability. For example, they can learn how to relax their fists that are painfully gripped.
Brain injury assessment and rehabilitation
    A review published in CyberPsychology & Behavior points out that virtual reality can be used not only for damage assessment, but also for physical rehabilitation. A report and executive function of the magazine is related to “there are obstacles in the order of arrangement, organizational behavior, planning issues, etc.â€. The newspaper said. Scientists have created a world of virtual reality in which there is a building with different color gates, and users who require experience must reach the exit. It should be similar to the Wisconsin Card Sorting Task, a neuropsychological test that requires participants to match cards. They don't tell participants how to match, just tell them the correctness of the match. “The authors conclude that they, like WCST, are also testing cognitive functions for users. But virtual reality methods may be more ecological and effective,†writes Network Psychology & Behavior.
Social cognition training for young people with autism
    Dallas is a professor at the University of Texas who created a training program to help children with autism learn social skills. The project uses brain imaging and brainwave monitoring techniques to use avatars to keep children in situations like job interviews, blind dates, and so on. This can help them understand some aspects of society and make their emotional expressions more socially acceptable and better integrated into society. Through brain scans of participants, it was found that after the completion of the training program, the vitality of the brain activity area related to social understanding ability was improved.
meditation
    Meditation is one of the ways to treat general anxiety. Oculus Rift's new app DEEP is designed to help users learn how to make deep, meditation breathing. The virtual reality experience is like an underwater world. It uses the belt attached to the chest to detect breathing. By breathing, the experiencer can go from one place to another. Breathing is the only controllable variable of the game. It is the winning point. Another benefit of the game is that it expands the range of the experiencer, and everyone can breathe, and people who don't manipulate the stick or controller can experience it.
Opportunities for the disabled
    The New York Times described a variety of use cases for virtual experiences in 1994, such as having a 5-year-old boy with cerebral palsy in a wheelchair driving across the grass, allowing 50 children with cancer to "swim" in an animated fish tank.
    A recent example, headset manufacturer Fove, has funded the creation of an app called Eye Play the Piano that uses headphones' eye tracking technology to let physically disabled children play the piano.
Leisure home opportunities
    Perhaps people will worry, will virtual reality make some people prefer to live in a virtual world and not want to face the real world? But for the disabled and the elderly who are not able to walk around in the real world, virtual reality technology can improve their quality of life, so that their field of activity is no longer limited to a home, a room, or even a bed.
    Last year, engineering students at Stanford University created a virtual reality experience program for seniors to experience the outside world, such as cycling and walking on the beach. It provides environmental factors such as sound, light, wind, temperature changes, and uses a huge display that is fixed to the wall to fill the normal field of view.
Source: Arterial Network
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