Table 3.

Contents of “subjective questionnaire A.”

Q1	Because it looks like a four-fingered hand, I realize that I don't have a thumb
Q2	I feel that my thumb doesn't exist
Q3	Being able to see the middle finger has nothing to do with being able to see the other fingers
Q4	I feel that the index finger does not exist
Q5	Seeing the ring finger is sufficient to notice the existence of the ring finger
Q6	Fingers other than the visible index finger are independent of seeing the index finger
Q7	The existence of the little finger is noticed only by seeing the little finger
Q8	I can see my thumb