The way we experience the world is determined by the way our brain works. The phantom limb phenomenon, which is a delusional belief of the presence of a non-existent limb, has a particular fascination in neurology. This positive phenomenon of the phantom limb raises theoretical questions about its nature. After a stroke, some patients experience the perception of an extra limb in addition to the regular set of two arms and two legs. This complex cognitive and perceptual distortion is called supernumerary phantom limb. Here, we review the pathogenesis and historical aspects, and report a new case.
| Symptom | Subdomain | Domain |
|---|---|---|
| delusion | Reality Monitoring | Cognitive Systems |
| supernumerary limb | Sense of Self | Cognitive Systems |
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