Researchers revealed that they were able to trick people into believing that prosthetic fingers were their real fingers.

“It’s told us the minimal information necessary to induce this sensation of owning parts of the body. The body’s got to have a model or representation of (itself) before it can accurately hold a posture or make a movement. What this study says, for the first time, is that just one class of receptors in your muscles is sufficient to give you this information”, co-author of the study, Simon Gandevia said.
The study has been published in the Journal of Physiology
Source-Medindia