Table 4 The standard RHI questionnaire adapted to fit an experiment with tapping stimulation on a rubber hand.

From: The rubber hand illusion is a fallible method to study ownership of prosthetic limbs

During the experiment …

Q1

… I felt as if the prosthetic hand was my hand

Q2

… it seemed as if the sensation I felt was caused by the tapper tapping the prosthetic hand

Q3

… it seemed like I was looking directly at my own hand, rather than at a prosthetic hand

Q4

… it seemed like the prosthetic hand was part of my body

Q5

… it felt as if my right hand was drifting towards the prosthetic hand

Q6

… it seemed as if the sensation I felt came from somewhere between my residual limb and the prosthetic hand

Q7

… it appeared as if the prosthetic hand was drifting towards my right hand

Q8

… the prosthetic hand started to change shape, color, and appearance so that it (visually) started to resemble my right hand

  1. The first four questions are adapted from Longo et al.64 and are used to establish if the ownership illusion was successful. The other four questions are control statements.
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