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"There are several features of this system which combined might be the cause of pain relief" says Max Ortiz Catalan. The patient can see himself on a screen with a superimposed virtual arm, which is controlled using his own neural command in real time. The signals are then translated into arm movements by complex algorithms. The electrical signals in the muscles are sensed by electrodes on the skin. The new method uses muscle signals from the patient´s arm stump to drive a system known as augmented reality.
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PHANTOM PAIN MANAGEMENT ALOGOTHIM FREE
He now has periods where he is entirely free of pain, and he is no longer awakened by intense periods of pain at night like he was previously. The patient´s pain was drastically reduced after a period of treatment with the new method. The patient lost his arm 48 years ago, and had since that time suffered from phantom pain varying from moderate to unbearable. This was the case for the patient that Chalmers researcher Max Ortiz Catalan selected for a case study of the new treatment method he has envisaged as a potential solution. Examples include mirror therapy, different types of medication, acupuncture and hypnosis. Phantom limb pain is currently treated with several different methods. The exact cause of phantom limb pain and other phantom sensations is yet unknown. Phantom limb pain can be a serious chronic and deteriorating condition that reduces the quality of the person´s life considerably. Seventy per cent of amputees experience pain in the amputated limb despite that it no longer exists. People who lose an arm or a leg often experience phantom sensations, as if the missing limb were still there.