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Table 1 Summary of human responses to watch the video of itch

From: Contagious itch can be induced in humans but not in rodents

No. Gender Age Score of senses: −/+/++/+++ Body Parts Expression No. of scratch
Uncomfortable Itch Anxious Laugh Pain
1 22 ++ + + above the mouth, nose, eyebrow, face, head smile 8
2 25 ++ + + ear distracted at last 1
3 22 ++ above the mouth, middle of eyebrows smile at first 2
4 29 + ++ +++ touch face, neck, nape, forehead frown 3
5 26 + + nose (touch the hand twice) smile at first, sleepy at latter half 1
6 29 + ++ head, face / 2
7 26 + + + eyebrow, ear smile 6 times, yawn 8 times 2
8 25 +++ + forehead, face, ear, above the mouth, head, hand, eyelid, shoulder, chin, neck / 35
9 27 + / / 0
10 30 ++ +++ ++ above the mouth, mouth sleepy at latter half 2