This is tough to see when some completely accepted bit of science seems to be in error.
Apparently the Rubber Hand Illusion experiment may have been wildly misinterpreted.
In the illusion synchronous brush strokes on a participant’s concealed hand and a visible fake hand can give the impression of illusory sensations of touch and of ownership of the fake hand. The paper has been widely cited and is a sort of foundation on thinking about how people perceive their bodies.
The problem is that the illusion may result from suggestion. What’s more, suggestion may be skewing results in numerous other psychological experiments. Hypnosis, known formally since the 18th century and used by shamans for thousands of years before that, still isn’t understood. Nor is the power of suggestibility and placebos.