Release date: 2014-06-05
Virtual reality (VR) technology, involving computer graphics, human-computer interaction technology, sensing technology, artificial intelligence and other fields, it uses computer to generate realistic three-dimensional visual, listening, smell and other feelings, enabling people to pass as participants Appropriate devices naturally experience and interact with the virtual world. When the user moves the position, the computer can perform complex calculations immediately, and return accurate 3D world images to produce a sense of presence. The technology integrates the latest developments in computer graphics (CG) technology, computer simulation technology, artificial intelligence, sensing technology, display technology, network parallel processing and other technologies. It is a high-tech simulation system generated by computer technology. Virtual reality systems have the characteristics of "3I", namely immersion, interaction, and imagination. With the advancement of technology, virtual reality technology will be widely used in rehabilitation therapy, mainly used in cognitive function rehabilitation training and limb exercise rehabilitation training.
Cognitive rehabilitation training
The emergence of virtual reality technology has promoted a higher level of integration between computer technology and cognitive science. Virtual reality can immerse people in the three-dimensional environment generated by computer in real time, which shows the tradition in the evaluation and training of cognitive impairment. The method can not match the advantages. It is understood that in the United States, at least 73% of rehabilitation agencies use computers to recover from cognitive impairment.
As early as 2007, psychologists at the Army Medical Center in Madigan, Washington, USA used video games to reproduce wartime scenarios to treat some veterans' post-traumatic stress disorder (PTSD). This is called psychotherapy in psychology. The San Diego Virtual Reality Medical Center in California also uses cognitive reality therapy to treat a range of phobias, such as fear of heights, fear of flying, and fear of spiders. Doctors in the center also apply this method to the treatment of patients suffering from car accidents. Studies have shown that virtual reality technology can also help those with stroke, brain trauma, cerebral palsy and autism to improve their physical condition and cognitive ability.
At present, Shandong Province has also introduced the “virtual reality therapy†of the California Virtual Reality Medical Center. According to the person in charge of the project, “virtual reality therapy†can immerse patients in virtual scenes like real environments, so that patients can gradually reduce their fear. In a specific virtual situation, the recipient will have a different response. These reactions were transmitted to the psychologist's computer through the data line. Based on these reactions, the psychologist will simultaneously provide targeted guidance to these healers, resonate with the patient's consciousness, conduct effective psychological counseling, and gradually free them from psychological fear (see below).
Limb sports rehabilitation training
Human physical rehabilitation is also an area where virtual reality technology is introduced. Physical rehabilitation is the process of actively or passively pulling the limbs with some instruments. The current rehabilitation process is too monotonous and boring, and it is difficult for patients to have an interest, and the effect is not satisfactory.
Virtual reality technology can provide a variety of artificial scenes by software, so that patients are placed in the environment of games or tourism, making the treatment process full of fun and improving the optimism of patients. At the same time, the patient can be used to make various psychological prompts and inducements in the language and words, fully mobilize the patient's mental effects, and in turn strengthen the role of physiological treatment. And in the principle of the game to design a number of rehabilitation procedures, so that the game action of the rehabilitation program and the action in the home treatment. If there is a mistake in the course of training, it will not cause damage to the patient's body.
When patients use virtual reality technology for rehabilitation, they can clearly feel their improvement in motor skills, balance, flexibility, muscle tone, posture and trunk control. Both patients and medical institutions claim that virtual reality technology is more exciting and effective than traditional therapies.
Virtual reality technology can also greatly enhance the sports experience. For example, the latest Virtuix Omni is a device that provides a virtual running experience. In addition to head-mounted display devices, it also includes treadmills, belts, handles and positioning sensors, as well as a pair of sneakers with built-in sensors. The application software allows you to run around the world for a cooler sports experience (see below).
Source: Medical Device Innovation Network
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