1. Abbey, J., Piller, N., Bellis, A. D., Esterman, A., Parker, D., Giles, L., et al. (2004). The abbey pain scale: A 1-minute numerical indicator for people with end-stage dementia. International Journal of Palliative Nursing, 10(1), 6–13. doi: 10.12968/ijpn.2004.10.1.12013 [
DOI:10.12968/ijpn.2004.10.1.12013]
2. Apkarian, A. V., Bushnell, M. C., Treede, R.-D., & Zubieta, J. K. (2005). Human brain mechanisms of pain perception and regulation in health and disease. European Journal of Pain, 9(4), 463. doi: 10.1016/j.ejpain.2004.11.001 [
DOI:10.1016/j.ejpain.2004.11.001]
3. Apkarian, V. A., Hashmi, J. A., & Baliki, M. N. (2011). Pain and the brain: Specificity and plasticity of the brain in clinical chronic pain. Pain, 152(Supplement), S49–S64. doi: 10.1016/j.pain.2010.11.010 [
DOI:10.1016/j.pain.2010.11.010]
4. Büchel, C., Bornhövd, K., Quante, M., Glauche, V., Bromm, B., & Weiller, C. (2002). Dissociable neural responses related to pain intensity, stimulus intensity, and stimulus awareness within the anterior cingulate cortex: A parametric single-trial laser functional magnetic resonance imaging study. Journal of Neuroscience, 22(3), 970-6. PMID: 11826125 [
PMID]
5. Coghill, R. C., McHaffie, J. G., & Yen, Y. F. (2003). Neural correlates of interindividual differences in the subjective experience of pain. Proceedings of the National Academy of Sciences, 100(14), 8538–42. doi: 10.1073/pnas.1430684100 [
DOI:10.1073/pnas.1430684100]
6. Collins, S. L., Moore, A. R., & McQuay, H. J. (1997). The visual analogue pain intensity scale: What is moderate pain in millimetres. Pain, 72(1), 95–7. doi: 10.1016/s0304-3959(97)00005-5 [
DOI:10.1016/S0304-3959(97)00005-5]
7. Decety, J. (2009). Empathy, sympathy and the perception of pain. Pain, 145(3), 365–6. doi: 10.1016/j.pain.2009.08.006 [
DOI:10.1016/j.pain.2009.08.006]
8. Derbyshire, S. W., Jones, A. K. ., Gyulai, F., Clark, S., Townsend, D., & Firestone, L. L. (1997). Pain processing during three levels of noxious stimulation produces differential patterns of central activity. Pain, 73(3), 431–45. doi: 10.1016/s0304-3959(97)00138-3 [
DOI:10.1016/S0304-3959(97)00138-3]
9. Devinsky, O., Morrell, M. J., & Vogt, B. A. (1995). Contributions of anterior cingulate cortex to behaviour. Brain, 118(1), 279–306. doi: 10.1093/brain/118.1.279 [
DOI:10.1093/brain/118.1.279]
10. Deyo, K. S., Prkachin, K. M., & Mercer, S. R. (2004). Development of sensitivity to facial expression of pain. Pain, 107(1), 16–21. doi: 10.1016/s0304-3959(03)00263-x [
DOI:10.1016/S0304-3959(03)00263-X]
11. Fishbain, D. A., Goldberg, M., Rosomoff, R. S., & Rosomoff, H. L. (1991). More Munchausen with chronic pain. The Clinical Journal of Pain, 7(3), 237–44. doi: 10.1097/00002508-199109000-00012 [
DOI:10.1097/00002508-199109000-00012]
12. Gerbershagen, H. J., Rothaug, J., Kalkman, C. J., & Meissner, W. (2011). Determination of moderate-to-severe postoperative pain on the numeric rating scale: A cut-off point analysis applying four different methods. British Journal of Anaesthesia, 107(4), 619–26. doi: 10.1093/bja/aer195 [
DOI:10.1093/bja/aer195]
13. Goebel, R. (2012). BrainVoyager: Past, present, future. Neuro Image, 62(2), 748–56. doi: 10.1016/j.neuroimage.2012.01.083 [
DOI:10.1016/j.neuroimage.2012.01.083]
14. Graven Nielsen, T., Mense, S., & Arendt Nielsen, L. (2004). Painful and non-painful pressure sensations from human skeletal muscle. Experimental Brain Research, 159(3), 273–83. doi: 10.1007/s00221-004-1937-7 [
DOI:10.1007/s00221-004-1937-7]
15. Hadjistavropoulos, T., Chapelle, D. L., Hadjistavropoulos, H. D., Green, S., & Asmundson, G. J. G. (2002). Using facial expressions to assess musculoskeletal pain in older persons. European Journal of Pain, 6(3), 179–87. doi: 10.1053/eujp.2001.0327 [
DOI:10.1053/eujp.2001.0327]
16. Hayashi, K., Ikemoto, T., Ueno, T., Arai, Y. C. P., Shimo, K., Nishihara, M., et al. (2015). Regional differences of repeatability on visual analogue scale with experimental mechanical pain stimuli. Neuroscience Letters, 585, 67–71. doi: 10.1016/j.neulet.2014.11.032 [
DOI:10.1016/j.neulet.2014.11.032]
17. Hayashi, K., Ikemoto, T., Ueno, T., Arai, Y. C. P., Shimo, K., Nishihara, M., et al. (2016). Higher pain rating results in lower variability of somatosensory cortex activation by painful mechanical stimuli: An fMRI study. Clinical Neurophysiology, 127(4), 1923–8. doi: 10.1016/j.clinph.2016.01.008 [
DOI:10.1016/j.clinph.2016.01.008]
18. Herr, K., Coyne, P. J., Key, T., Manworren, R., McCaffery, M., Merkel, S., et al. (2006). Pain assessment in the nonverbal patient: Position statement with clinical practice recommendations. Pain Management Nursing, 7(2), 44–52. doi: 10.1016/j.pmn.2006.02.003 [
DOI:10.1016/j.pmn.2006.02.003]
19. Hofbauer, R. K., Rainville, P., Duncan, G. H., & Bushnell, M. C. (2001). Cortical representation of the sensory dimension of pain. Journal of Neurophysiology, 86(1), 402–11. doi: 10.1152/jn.2001.86.1.402 [
DOI:10.1152/jn.2001.86.1.402]
20. Jackson, P. L., Meltzoff, A. N., & Decety, J. (2005). How do we perceive the pain of others? A window into the neural processes involved in empathy. NeuroImage, 24(3), 771–9. doi: 10.1016/j.neuroimage.2004.09.006 [
DOI:10.1016/j.neuroimage.2004.09.006]
21. Kemp, J., Despres, O., & Dufour, A. (2012). Unreliability of the visual analog scale in experimental pain assessment: A sensitivity and evoked potentials study. Pain Physician, 15(5), E693-9. PMID: 22996863 [
PMID]
22. Kundel, H. L., & Polansky, M. (2003). Measurement of observer agreement. Radiology, 228(2), 303–8. doi: 10.1148/radiol.2282011860 [
DOI:10.1148/radiol.2282011860]
23. Kunz, M., Chatelle, C., Lautenbacher, S., & Rainville, P. (2008). The relation between catastrophizing and facial responsiveness to pain. Pain, 140(1), 127–34. doi: 10.1016/j.pain.2008.07.019 [
DOI:10.1016/j.pain.2008.07.019]
24. Kunz, M., Chen, J. I., Lautenbacher, S., Vachon-Presseau, E., & Rainville, P. (2011). Cerebral regulation of facial expressions of pain. Journal of Neuroscience, 31(24), 8730–8. doi: 10.1523/jneurosci.0217-11.2011 [
DOI:10.1523/JNEUROSCI.0217-11.2011]
25. Kunz, M., Gruber, A., & Lautenbacher, S. (2006). Sex differences in facial encoding of pain. The Journal of Pain, 7(12), 915–28. doi: 10.1016/j.jpain.2006.04.012 [
DOI:10.1016/j.jpain.2006.04.012]
26. Kunz, M., Mylius, V., Schepelmann, K., & Lautenbacher, S. (2004). On the relationship between self-report and facial expression of pain. The Journal of Pain, 5(7), 368–76. doi: 10.1016/j.jpain.2004.06.002 [
DOI:10.1016/j.jpain.2004.06.002]
27. Kunz, M., Mylius, V., Schepelmann, K., & Lautenbacher, S. (2008). Impact of age on the facial expression of pain. Journal of Psychosomatic Research, 64(3), 311–8. doi: 10.1016/j.jpsychores.2007.09.010 [
DOI:10.1016/j.jpsychores.2007.09.010]
28. Kwan, C. L., Crawley, A. P., Mikulis, D. J., & Davis, K. D. (2000). An fMRI study of the anterior cingulate cortex and surrounding medial wall activations evoked by noxious cutaneous heat and cold stimuli. Pain, 85(3), 359-74. PMID: 10781909 [
DOI:10.1016/S0304-3959(99)00287-0]
29. LeResche, L., & Dworkin, S. F. (1984). Facial expression accompanying pain. Social Science & Medicine, 19(12), 1325–30. doi: 10.1016/0277-9536(84)90020-0 [
DOI:10.1016/0277-9536(84)90020-0]
30. Littman, G. S., Walker, B. R., & Schneider, B. E. (1985). Reassessment of verbal and visual analog ratings in analgesic studies. Clinical Pharmacology and Therapeutics, 38(1), 16–23. doi: 10.1038/clpt.1985.127 [
DOI:10.1038/clpt.1985.127]
31. Lord, B. (2009). Paramedic assessment of pain in the cognitively impaired adult patient. BMC Emergency Medicine, 9(1). doi: 10.1186/1471-227x-9-20 [
DOI:10.1186/1471-227X-9-20]
32. Lucey, P., Cohn, J. F., Prkachin, K. M., Solomon, P. E., Chew, S., & Matthews, I. (2012). Painful monitoring: Automatic pain monitoring using the UNBC-McMaster shoulder pain expression archive database. Image and Vision Computing, 30(3), 197–205. doi: 10.1016/j.imavis.2011.12.003 [
DOI:10.1016/j.imavis.2011.12.003]
33. Merskey, H. (1979). Pain terms: A list with definitions and notes on usage. Recommended by the IASP Subcommittee on Taxonomy. Pain, 6, 249-52. PMID: 460932
34. Mogil, J. S. (2015). Social modulation of and by pain in humans and rodents. Pain, 156, S35–S41. doi: 10.1097/01.j.pain.0000460341.62094.77 [
DOI:10.1097/01.j.pain.0000460341.62094.77]
35. Moisset, X., & Bouhassira, D. (2007). Brain imaging of neuropathic pain. NeuroImage, 37, S80–8. doi: 10.1016/j.neuroimage.2007.03.054 [
DOI:10.1016/j.neuroimage.2007.03.054]
36. Moore, R. A., Straube, S., & Aldington, D. (2013). Pain measures and cut-offs - "no worse than mild pain" as a simple, universal outcome. Anaesthesia, 68(4), 400–12. doi: 10.1111/anae.12148 [
DOI:10.1111/anae.12148]
37. Nasu, T., Taguchi, T., & Mizumura, K. (2010). Persistent deep mechanical hyperalgesia induced by repeated cold stress in rats. European Journal of Pain, 14(3), 236–44. doi: 10.1016/j.ejpain.2009.05.009 [
DOI:10.1016/j.ejpain.2009.05.009]
38. Prkachin, K. M. (1992). The consistency of facial expressions of pain: a comparison across modalities. Pain, 51(3), 297–306. doi: 10.1016/0304-3959(92)90213-u [
DOI:10.1016/0304-3959(92)90213-U]
39. Puntillo, K. A., Miaskowski, C., Kehrle, K., Stannard, D., Gleeson, S., & Nye, P. (1997). Relationship between behavioral and physiological indicators of pain, critical care patients' self-reports of pain, and opioid administration. Critical Care Medicine, 25(7), 1159-66. doi: 10.1097/00003246-199707000-00017 [
DOI:10.1097/00003246-199707000-00017]
40. Quiton, R. L., & Greenspan, J. D. (2008). Across- and within-session variability of ratings of painful contact heat stimuli. Pain, 137(2), 245–56. doi: 10.1016/j.pain.2007.08.034 [
DOI:10.1016/j.pain.2007.08.034]
41. Robinson, M. E., Staud, R., & Price, D. D. (2013). Pain measurement and brain activity: Will neuroimages replace pain ratings. The Journal of Pain, 14(4), 323–7. doi: 10.1016/j.jpain.2012.05.007 [
DOI:10.1016/j.jpain.2012.05.007]
42. Rohling, M. L., Binder, L. M., & Langhinrichsen-Rohling, J. (1995). Money matters: A meta-analytic review of the association between financial compensation and the experience and treatment of chronic pain. Health Psychology, 14(6), 537–47. doi: 10.1037/0278-6133.14.6.537 [
DOI:10.1037/0278-6133.14.6.537]
43. Shrout, P. E. (1998). Measurement reliability and agreement in psychiatry. Statistical Methods in Medical Research, 7(3), 301–17. doi: 10.1177/096228029800700306 [
DOI:10.1177/096228029800700306]
44. Singer, T. (2004). Empathy for pain involves the affective but not sensory components of pain. Science, 303(5661), 1157–62. doi: 10.1126/science.1093535 [
DOI:10.1126/science.1093535]
45. Takahashi, K., Taguchi, T., Itoh, K., Okada, K., Kawakita, K., & Mizumura, K. (2005). Influence of surface anesthesia on the pressure pain threshold measured with different-sized probes. Somatosensory & Motor Research, 22(4), 299–305. doi: 10.1080/08990220500420475 [
DOI:10.1080/08990220500420475]
46. Takai, Y., Yamamoto Mitani, N., Chiba, Y., Nishikawa, Y., Hayashi, K., & Sugai, Y. (2010). Abbey pain scale: Development and validation of the Japanese version. Geriatrics & gerontology international, 10(2), 145-53. doi: 10.1111/j.1447-0594.2009.00568.x. [
DOI:10.1111/j.1447-0594.2009.00568.x]
47. Treede, R. D., Kenshalo, D. R., Gracely, R. H., & Jones, A. K. . (1999). The cortical representation of pain. Pain, 79(2), 105–11. doi: 10.1016/s0304-3959(98)00184-5 [
DOI:10.1016/S0304-3959(98)00184-5]
48. Vlaeyen, J. W. S., Hanssen, M., Goubert, L., Vervoort, T., Peters, M., van Breukelen, G., et al. (2009). Threat of pain influences social context effects on verbal pain report and facial expression. Behaviour Research and Therapy, 47(9), 774–82. doi: 10.1016/j.brat.2009.05.008 [
DOI:10.1016/j.brat.2009.05.008]
49. Wallenstein, S., Heidrich d, G., Kaiko, R., & Houde, R. (1980). Clinical evaluation of mild analgesics: the measurement of clinical pain. British Journal of Clinical Pharmacology, 10(S2), 319S–27. doi: 10.1111/j.1365-2125.1980.tb01816.x [
DOI:10.1111/j.1365-2125.1980.tb01816.x]
50. Williams, A. C. de C. (2002). Facial expression of pain: An evolutionary account. Behavioral and Brain Sciences, 25(4):439-55. doi: 10.1017/s0140525x02000080 [
DOI:10.1017/S0140525X02000080]