在截肢者身上产生的所谓“幻肢”,是一种常见现象。患者因外伤或手术在自身的某部份,多数是臂和腿部截除之后,常常会体验到这种病理现象。失去肢体的患者会觉得已经不存在的这部份体肢,还是活生生的长在身上。几乎所有截肢病人手术后都有幻肢感。有的很快就消除,有的却要残留很久时期。在幻肢消失时,会感到幻肢逐渐靠近断肢端,似乎凹陷下去,然后很快消除。但是一旦断肢的末梢神经受到刺激,也会使已经消除了的幻肢感觉重新出现。有幻肢时,往往是在断肢端部特别敏感,或者以为肢体在 The so-called “phantom limbs” produced on amputees are a common phenomenon. Patients with trauma or surgery in some part of their own, most of the arms and legs after the truncation, and often will experience this pathological phenomenon. Patients who have lost their limbs may feel that part of the limb that they no longer exist in is still living on their body. Almost all amputation patients have phantom limbs after surgery. Some will soon be eliminated, while others will have to remain for a long time. When the phantom limbs disappear, the phantom limbs will feel close to the amputation limbs, appear to sink and then quickly disappear. However, once the peripheral nerve of the severed limb is stimulated, it can also re-emerge the sensation of phantom limbs that have been eliminated. When there is a phantom limb, it is often particularly sensitive at the ends of the amputated limbs, or the limbs are present