Scientific publications in chronological order
*** 2024 ***
Gedin F, Blomé S, Kastrati G, Lalouni M, Åhs F, Fransson P, Rosén J, Thompson WH, Jensen K. Predicting long-term pain by combining brain imaging, genetics and health questionnaire data with Swedish national registries using a prospective superstruct design. Mol Pain, 2024, In Press.
Jensen K. Placebo effects beyond dopamine. PLoS Biology, 2024, 22(9): e3002812.
Quide Y, […] Jensen K, […] Gustin S. ENIGMA-Chronic Pain: a worldwide initiative to identify brain correlates of chronic pain. Pain, 165(12):2662-2666.
Hansson LS, Tognetti A, Sigurjónsson P, Brück E, Wåhlén K, Jensen K, Olsson MJ, Toll John R, Wilhelms DB, Lekander M, Lasselin J. Perception of unfamiliar caregivers during sickness – Using the new Caregiver Perception Task (CgPT) during experimental endotoxemia. Brain, Behavior, and Immunity, Volume 119, July 2024, Pages 741-749.
Coppi S, Jensen K, Ehrsson HH. Eliciting the rubber hand illusion by the activation of nociceptive C and A delta fibers. Pain, In Press, April 2024.
Pontén S, Lagerbäck T, Blomé S, Jensen K, Skorpil M, Gerdhem P. Lumbar degeneration and quality of life in patients with lumbar disc herniation: a case-control long-term follow-up study. Acta Orthopaedica. 2024 Feb 2;95:92-98.
Ruehr L, Blomé S, Kastrati G, Lagerbäck T, Jonsjö M, Möller H, Skorpil M, Lasselin J, Lalouni M, Gerdhem P, Jensen K. Back morphology and walking patterns mean 13.8 years after surgery for lumbar disk herniation in adolescents. Pain Reports. 2024 Mar 14;9(2):e1148.
Fust J, Jensen K, Coppi S, Bjureberg J, Jayaram-Lindström N, Hellner C, Ehrsson HH, Lalouni M. Rubber hand illusion and experiences of dissociation in women with self-injury behavior. Psychiatry Research Communications, Vol 4, Issue 1, 2024 Mar, 100155.
*** 2023 ***
Pontén M, Jonsjö M, Vadenmark V, Moberg E, Grannas D, Andersson G, Boersma K, Hedman-Lagerlöf E, Kleinstaeuber M, Weise C, Kaldo V, Ljótsson B, Andersson E, Axelsson E, Jensen K. Association between expectations and clinical outcomes in online v. face-to-face therapy - an individual participant data meta-analysis. Psychological Medicine. 2023 Oct 31:1-8.
Fanton S, Menezes J, Krock E, Sandström A, Tour J, Sandor K, Jurczak A, Hunt M, Baharpoor A, Kadetoff D, Jensen K, Fransson P, Ellerbrock I, Sitnikov R, Svensson CI, Kosek E. Anti-satellite glia cell IgG antibodies in fibromyalgia patients are related to symptom severity and to metabolite concentrations in thalamus and rostral anterior cingulate cortex, Brain Behavior and Immunity, 2023;114:371-382.
Kirakosian R, Möllenbrink L, Zamore G, Kaptchuk TJ, Jensen K. Heresy, witchcraft, Jean Gerson, scepticism, and the use of placebo controls. Journal of the Royal Society for Medicine (JRSM), 2023, 22:1410768231207260.
Sandström A, Ellerbrock I, Tour J, Kadetoff D, Jensen K, Kosek E. Dysfunctional activation of the dorsolateral prefrontal cortex during pain anticipation is associated with altered subsequent pain experience in fibromyalgia patients. The Journal of Pain, 2023, S1526-5900(23)00415-7.
Hohenschurz-Schmidt D, Vase L, Scott W, … Jensen K … ASC Rice, J Draper-Rodi. Recommendations for the development, implementation, and reporting of (sham) control interventions in efficacy trials of physical, psychological, and self-management therapies. BMJ, 2023, 25;381:e072108.
Curie A, Oberlander TF, Jensen K. Placebo effects in children with autism spectrum disorder, Developmental Medicine & Child Neurology, 2023, doi: 10.1111/dmcn.15574. Online ahead of print.
Hird EJ, Diederen K, Leucht S, Jensen K, McGuire P. The placebo effect in psychosis: why it matters and how to measure it, Biological Psychiatry Global Open Sci, 2023, doi.org/10.1016/j.bpsgos.2023.02.008. Online ahead of print.
Karacaoglu M, Meijer S, Peerdeman KJ, Dusseldorp E, Jensen K, Veldhuijzen D, van Middendorp H, Evers A. Efficacy of open-label counterconditioning for reducing nocebo effects on pressure pain. Eur J Pain, 2023, 27(7):831-847.
Weik E, Neuenschwander R, Edgington B, Jensen K, Tipper CM, Oberlander T. Conditioning Induced Placebo- and Nocebo-Like Effects of Thermal Discomfort in Adults but not in Youth. Br J Pain, 2023, 20494637231153364.
*** 2022 ***
Gedin F, Blomé S, Ponten M, Lalouni M, Fust J, Raquette A, Lundquist VV, Thompson WT, Jensen K. Placebo Response and media attention in randomized clinical trials assessing cannabis-based therapies for pain: A systematic review and meta-analysis. JAMA Network Open, 2022, 5(11):e2243848.
Lalouni M, Bujacz A, Bonnert M, Jensen K, Rosengren A, Hedman-Lagerlöf E, Serlachius E, Olén O, Ljótsson B. Parental responses and catastrophizing in online cognitive behavioral therapy for pediatric functional abdominal pain – a mediation analysis, Frontiers in Pain Research, 2022, 3: 962037.
*Lalouni M*, Fust J*, Bjureberg J, Kastrati G, Fransson P, Jayaram-Lindström N, Kosek E, Hellner C, Jensen KB. Augmented pain inhibition and higher integration of pain modulatory brain networks in women with self-injury behavior. Molecular Psychiatry, 2022, 6, 1-8.
Kastrati G, Rosén J, Fredrikson M, Chen X, Kuja-Halkola R, Larsson H, Jensen K, Åhs F. Genetic influences on central and peripheral nervous system activity during fear conditioning. Translational Psychiatry, 2022, 12, 1: 95.
Kastrati G, Thompson WH, Schiffler B, Fransson P*, Jensen K*. Brain network segregation and integration during painful thermal stimulation. Cerebral Cortex. 2022 Jan 3:bhab464.
Kastrati G, Rosén J, Thompson WH, Chen X, Larsson H, Nichols TE, Tracey I, Fransson P, Åhs F, Jensen K. Genetic influence on nociceptive processing in the human brain – a twin study. Cerebral Cortex. 2022 Jan 10;32(2):266-274.
Fanton S, Sandström A, Tour J, Kadetoff D, Schalling M, Jensen K, Sitnikov R, Ellerbrock I, Kosek E. The translocator protein gene is associated with endogenous pain modulation and the balance between glutamate and GABA in fibromyalgia and healthy subjects: A multimodal neuroimaging study. Pain, 2022 Feb 1;163(2):274-286.
Matthiesen ST, Rosenkjæra S, Pontén M, Jensen K, Gottrup H, Vase L. Does certainty of genuine treatment increase the drug response in Alzheimer’s disease patients: A meta-analysis and critical discussion, The Journal of Alzheimer's Disease, 2022, 86 (3), 1483-1483.
Weik E, Neuenschwander R, Jensen K, Oberlander T, Tipper C. Placebo and Nocebo Effects in Youth: Subjective thermal discomfort can be modulated by a conditioning paradigm utilizing mental states of low and high self-efficacy. Br J Pain, 2022, Feb;16(1):60-70.
*** 2021 ***
Lagerbäck T, Kastrati G, Möller H, Jensen K, Skorpil M, Gerdhem P. MRI characteristics mean 13 years after lumbar disc herniation surgery in adolescence - a case control study, The Journal of Bone and Joint Surgery, 2021 Nov 19;6(4):e21.00081.
Lalouni M, Fust J, Vadenmark-Lundqvist V, Ehrsson HH, Kilteni K, Jensen K. Predicting pain: differential pain thresholds during self-induced, externally induced, and imagined self-induced pressure pain. Pain, 2021, 162, 5, 1539-1544.
Ellerbrock I, Sandström A, Tour J, Fanton S, Kadetoff D, Schalling M, Jensen K, Sitnikov R, Kosek E. Serotonergic Gene-to-gene Interaction is Associated with Mood and GABA Concentrations but not with Pain-Related Cerebral Processing in Fibromyalgia Subjects and Healthy Controls. Molecular Brain, 2021, 14 (1), 1-15
Rosén A, Sachs L, Ekdahl A, Westberg A, Gerdhem P, Kaptchuk TJ, Jensen K. Surgeons’ Behaviors and Beliefs Regarding Placebo Effects in Surgery. Acta Orthopaedica, 2021 Oct;92(5):507-512.
Fust J, Lalouni M, Vadenmark Lundqvist V, Wärnberg E, Jensen K. Offset analgesia and onset hyperalgesia with different stimulus ranges. Pain Reports, 2021,(6)1, e914.
Evers AWM, Colloca L, Blease C, Gaab J, Jensen K, Atlas LY, Beedie CJ, Benedetti F, Bingel U, Büchel C, Bussemaker J, Colagiuri B, Crum AJ, Finniss DG, Geers AL, Howick J, Klinger R, Meeuwis SH, Meissner K, Napadow V, Petrie KJ, Rief W, Smeets I, Wager TD, Wanigasekera V, Vase L, Kelley JM, Kirsch I; on behalf of the Consortium of Placebo Experts. "Consensus on Placebo and Nocebo Effects Connects Science with Practice:" Reply to "Questioning the Consensus on Placebo and Nocebo Effects". Psychother Psychosom. 2021;90(3):213-214.
*** 2020 ***
Neuenschwander R, Weik E, Tipper C, Jensen K, Oberlander T. Conditioned placebo- and nocebo-like effects in adolescents: The role of conscious awareness, sensory discrimination, and executive function. Frontiers in Psychiatry, 2020 Nov 19;11:586455.
Ellerbrock I, Sandström A, Tour J, Kadetoff D, Schalling M, Jensen K, Kosek E. Polymorphisms of the μ-opioid receptor gene influence cerebral pain processing in fibromyalgia. Eur J Pain. 2020 Oct 16.
Evers, Colloca, Blease, Gaab, Jensen K. et al. What Should Clinicians Tell Patients about Placebo and Nocebo Effects? Practical Considerations Based on Expert Consensus. Psychother Psychosom; 2020 Oct 19;1-8. doi: 10.1159/000510738.
Ellingsen DM, Isenburg K, Jung C, Lee J, Gerber J, Mawla I, Sclocco R, Jensen K, Edwards RR, Kelley JM, Kirsch I, Kaptchuk TJ, Napadow V. Dynamic brain-to-brain concordance and behavioral mirroring as a mechanism of the patient-clinician interaction. Science Advances, 2020 Oct 21;6(43):eabc1304.
Pontén M, Fust J, Kosek E, Guterstam J, Jensen K. Naltrexone during pain conditioning—a double-blind placebo-controlled experimental trial. Mol Pain, 2020, 16:1744806920927625.
Sandström A, Ellerbrock I, Tour J, Kadetoff D, Jensen K, Kosek E. Neural Correlates Of Conditioned Pain Responses In Fibromyalgia Subjects Indicate Formation Of New Pain Associations Rather Than Extinction Of Irrelevant Ones. Pain, 2020 Sep 1;161(9):2079-2088.
Stridh A, Pontén M, Arver S, Kirsch I, Abé C*, Jensen K*. Response to Placebo among men with Erectile Dysfunction in Phosphodiesterase 5 inhibitor Trials: A systematic review and meta-analysis. JAMA Network Open. 2020 Mar 2;3(3):e201423.
Jensen K, Gollub RL, Kong J, Lamm C, Kaptchuk TJ, Petrovic P. Reward and Empathy in the treating clinician: The neural correlates of successful doctor-patient interactions. Translational Psychiatry. 2020 Jan 21;10(1):17.
*** 2019 ***
Ponten M, Fust J, D’Onofrio P, van Dorp R, Sunnergård L, Ingre M, Axelsson J, Jensen K. The pain alarm response - an example of how conscious awareness shapes pain perception. Scientific Reports, 2019 Aug 28; 9(1):12478.
Sandström A, Ellerbrock I, Jensen K, Martinsen S, Altawil R, Hakeberg P, Fransson P, Lampa J, Kosek E. Altered cerebral pain processing of noxious stimuli from inflamed joints in rheumatoid arthritis: An event-related fMRI study. Brain Behavior and Immunology, 2019 Oct; 81:272-279.
Ponten M, Ljotsson B, Jensen K. Shaping Placebo Analgesic Responses on the Internet: a randomized experimental trial. Pain Reports, 2019 Jun 7;4(3):e698.
*** 2018 ***
Lasselin J, Petrovic P, Olsson MJ, Paues Göranson S, Lekander M, Jensen K†, Axelsson J†. Sickness behavior is not all about the immune response: Possible roles of expectations and prediction errors in the worry of being sick. Brain Behavior and Immunology, 2018, S0889-1591 (18): 30577-4. PMID: 30217536 https://www.ncbi.nlm.nih.gov/pubmed/?term=30217536
Evers A, Colloca L, Blease C, Annoni M, Atlas LY, Benedetti F, Bingel U, Büchel C, Carvalho C, Colagiuri B, Crum AJ, Enck P, Gaab J, Geers AL, Howick J, Jensen K, Kirsch I, Meissner K, Napadow V, Peerdeman KJ, Raz A, Rief W, Vase L, Wager TD, Wampold B, Weimer K, Wiech K, Kaptchuk TJ, Klinger R, Kelley JM. Implications of Placebo and Nocebo Effects for Clinical Practice: Expert Consensus. Psychotherapy and Psychosomatics, 2018, 87(4): 204-210. PMID: 29895014 https://www.ncbi.nlm.nih.gov/pubmed/?term=29895014
*** 2017 ***
Jensen K, Kirsch I, Pontén M, Rosén A, Yang K, Gollub RL, des Portes V, Kaptchuk T, Curie A. Certainty of genuine treatment increases drug responses among intellectually disabled patients, Neurology, 2017, 88(20):1912-1918. PMID: 28424273 https://www.ncbi.nlm.nih.gov/pubmed/?term=28424273
Berna C, Kirsch I, Zion SR, Lee YC, Jensen K, Sadler P, Kaptchuk TJ, Edwards RR. Side effects can enhance treatment response through expectancy effects: an experimental analgesic randomized controlled trial. Pain, 2017, 158(6):1014-1020. PMID: 28178072 https://www.ncbi.nlm.nih.gov/pubmed/?term=28178072
Kosek E, Rosén A, Carville S, Choy E, Gracely RH, Vitton O, Marcus H, Petzke F, Ingvar M, Jensen K. Lower placebo responses after long-term exposure to fibromyalgia pain. The Journal of Pain, 2017, 18(7):835-843. PMID: 28279705 https://www.ncbi.nlm.nih.gov/pubmed/?term=28279705
*** 2016 ***
Karshikoff B, Jensen K, Kosek E, Kalpouzos G, Soop A, Ingvar M, Olgart Höglund C, Lekander M, Axelsson J. Why sickness hurts: A central mechanism for pain induced by peripheral inflammation. Brain Behav Immun. 2016;57:38-46. PMID: 27058164 https://www.ncbi.nlm.nih.gov/pubmed/?term=27058164
Madden VJ, Harvie DS, Parker R, Jensen K, Vlaeyen JW, Moseley GL, Stanton TR. Can Pain or Hyperalgesia Be a Classically Conditioned Response in Humans? A Systematic Review and Meta-Analysis. Pain Medicine, 2016;17(6):1094-111. PMID: 26814278 https://www.ncbi.nlm.nih.gov/pubmed/?term=26814278
Kosek E, Martinsen S, Gerdle B, Mannerkorpi K, Löfgren M, Bileviciute-Ljungar I, Fransson P, Schalling M, Ingvar M, Ernberg M, Jensen K. The translocator protein gene is associated with symptom severity and cerebral pain processing in fibromyalgia. Brain Behav Immun. 2016, 58:218-227. PMID: 27448744 https://www.ncbi.nlm.nih.gov/pubmed/?term=27448744
Rosén A, Yi J, Kirsch I, Kaptchuk T, Ingvar M, Jensen K. Effects of subtle cognitive manipulations on placebo analgesia – an implicit priming study. Eur J Pain. 2016. 21(4):594-604. PMID: 27748563 https://www.ncbi.nlm.nih.gov/pubmed/?term=27748563
Jensen K, Regenbogen C, Ohse MC, Frasnelli J, Freiherr J, Lundström JN. Brain activations during pain: a neuroimaging meta-analysis of patients with pain and healthy controls. Pain. 2016, 157(6):1279-86. PMID: 26871535 https://www.ncbi.nlm.nih.gov/pubmed/?term=26871535
*** 2015 ***
Curie A, Yang K, Kirsch I, Gollub RL, des Portes V, Kaptchuk TJ, Jensen K. Placebo Responses in Genetically Determined Intellectual Disability: A Meta-Analysis. PLoS One, 2015, 10(7):e0133316. PMID: 26226597 https://www.ncbi.nlm.nih.gov/pubmed/?term=26226597
Jensen K, Kirsch I, Odmalm S, Kaptchuk TJ, Ingvar M. Classical conditioning of analgesic and hyperalgesic pain responses without conscious awareness. Proc Natl Acad Sci (PNAS) 2015, 112(25):7863-7. PMID: 25979940 https://www.ncbi.nlm.nih.gov/pubmed/?term=25979940
Jensen K, Kaptchuk T, Chen X, Kirsch I, Ingvar M, Gollub RL, Kong J. A neural mechanism for nonconscious activation of conditioned placebo and nocebo responses in humans. Cerebral Cortex, 2015, 25(10):3903-10. PMID: 25452576 https://www.ncbi.nlm.nih.gov/pubmed/?term=25452576
*** 2014 ***
Hsieh C, Kong J, Kirsch I, Edwards RR, Jensen K, Kaptchuk TJ, Gollub RL: Well-loved music robustly relieves pain: a randomized, controlled trial. PLoS One 2014, 9(9):e107390. PMID: 25211164 https://www.ncbi.nlm.nih.gov/pubmed/?term=25211164
Jensen K, Petzke F, Carville S, Choy E, Fransson P, Gracely R.H, Vitton O, Marcus H, Williams, S, Ingvar M, Kosek E. Segregating the cerebral mechanisms of antidepressants and placebo in fibromyalgia. Journal of Pain, 2014, 15(12), 1328-37. PMID: 25283470 https://www.ncbi.nlm.nih.gov/pubmed/?term=25283470
Jensen K, Petrovic P, Kerr CE, Kirsch I, Raicek J, Cheetham A, Spaeth R, Cook A, Gollub RL, Kong J†, Kaptchuk TJ†. Sharing pain and relief: Neural correlates of physicians during treatment of patients. Molecular Psychiatry, 2014, 19(3), 392-398. PMID: 23358155 https://www.ncbi.nlm.nih.gov/pubmed/?term=23358155
*** 2013 ***
Jensen K, Srinivasan P, Spaeth R, Tan Y, Kosek E, Petzke F, Carville S, Fransson P, Marcus H, Williams SC, Choy E, Vitton O, Gracely R, Ingvar M, Kong J. Overlapping structural and functional brain changes in patients with long-term exposure to fibromyalgia. Arthritis & Rheumatism, 2013, 65(12), 3293-3303. PMID: 23982850 https://www.ncbi.nlm.nih.gov/pubmed/?term=23982850
Kong J, Spaeth RB, Wey HY, Cheetham A, Cook AH, Jensen K, Tan Y, Liu H, Wang D, Loggia ML, Napadow V, Smoller JW, Wasan AD, Gollub RL. S1 is associated with chronic low back pain: a functional and structural MRI study. Mol Pain, 2013 Aug 21;9(1):43. PMID: 23965184 https://www.ncbi.nlm.nih.gov/pubmed/?term=23965184
Kong J, Jensen K, Loiotile R, Cheetham A, Wey H-Y, Tan Y, Rosen B, Smoller J, Kaptchuk TJ, Gollub R. Functional connectivity of the frontoparietal network predicts cognitive modulation of pain. Pain, 2013, 154(3), 459-467. PMID: 23352757 https://www.ncbi.nlm.nih.gov/pubmed/?term=23352757
Petzke F †, Jensen K †, Kosek E, Choy E, Carville S, Fransson P, Williams S, Marcus H, Mainguy Y, Ingvar M, Gracely RH. Using fMRI to evaluate the effects of milnacipran on central pain processing in patients with fibromyalgia. Scand J Pain, 2013, 4(2), 65-74. http://dx.doi.org/10.1016/j.sjpain.2012.10.002
Wicksell R, Kemani M, Jensen K, Kosek E, Kadetoff D, Sorjonen K, Ingvar M, Olsson G. Acceptance and commitment therapy for fibromyalgia: a randomized controlled trial. Eur J Pain, 2013, 17(4), 599-611. PMID: 23090719 https://www.ncbi.nlm.nih.gov/pubmed/?term=23090719
*** 2012 ***
Jensen K, Kaptchuk TJ, Kirsch I, Raicek J, Lindstrom KM, Berna C, Gollub RL, Ingvar M, Kong J. Nonconscious activation of placebo and nocebo pain responses. Proc Natl Acad Sci (PNAS) 2012; 25(39): 15959-15964. PMID: 23019380 https://www.ncbi.nlm.nih.gov/pubmed/?term=23019380
Jensen K, Kosek E, Wicksell R, Kemani M, Olsson G, Merle JV, Kadetoff D, Ingvar M. Cognitive behavioral therapy increases pain-evoked activation of the prefrontal cortex in patients with fibromyalgia. Pain 2012; 153(7): 1495-1503. PMID: 22617632 https://www.ncbi.nlm.nih.gov/pubmed/?term=22617632
Mohan R†, Jensen K†, Petkova V, Dey A, Barnsley N, Ingvar M, McAuley J, Moseley L†, Ehrsson H†. Pain intensity is maintained during the rubber hand illusion. PLoS One 2012, 7(12): e52400. PMID: 23285026 https://www.ncbi.nlm.nih.gov/pubmed/?term=23285026
Hall K, Lembo A, 1 I, Ziogas D, Douaiher J, Jensen K, Conboy L, Kelley J, Kaptchuk T, Kokkotou E. COMT val158met polymorphism predicts placebo effect in irritable bowel syndrome. PLoS One 2012, 7(10): e48135. PMID: 23110189 https://www.ncbi.nlm.nih.gov/pubmed/?term=23110189
Jensen K, Loitoile R, Kosek E, Petzke F, Carville S, Fransson P, Marcus H, Williams S, Choy E, Mainguy Y, Vitton O, Gracely RH, Gollub RL, Ingvar M, Kong J. Patients with fibromyalgia display less functional connectivity in the brain’s pain inhibitory network, Mol Pain 2012; 8(32): 1-9. PMID: 22537768 https://www.ncbi.nlm.nih.gov/pubmed/?term=22537768
Linnman C †, Beucke JC †, Jensen K, Gollub RL, Kong J. Sex similarities and differences in pain-related periaqueductal gray connectivity. Pain 2012; 153(2): 444-454. PMID: 22154332 https://www.ncbi.nlm.nih.gov/pubmed/?term=22154332
*** 2011 ***
Loggia ML †, Jensen K †, Gollub RL, Wasan AD, Edwards RR, Kong J. The Catechol-O-Methyltransferase (COMT) val158met polymorphism affects brain responses to repeated painful stimuli. PLoS One 2011; 6(11): 1-8. PMID: 22132136 https://www.ncbi.nlm.nih.gov/pubmed/?term=22132136
*** 2010 ***
Zyloney C, Jensen K, Gollub RL, LaViolette P, Kaptchuk T, Kong J. Imaging the functional connectivity of the periaqueductal gray during verum and sham electroacupuncture treatment. Mol Pain 2010, 16 (80): 1-11. PMID: 21080967 https://www.ncbi.nlm.nih.gov/pubmed/?term=21080967
Jensen K, Ingvar M, Petzke F, Carville S, Fransson P, Choy E, Williams SCR, Marcus H, Mainguy Y, Gracely RH, Kosek E. Anxiety and depressive symptoms in fibromyalgia are related to low health esteem but not to sensitivity or cerebral processing of pain. Arthritis & Rheumatism 2010; 62(11): 3488-3495. PMID: 20617526 https://www.ncbi.nlm.nih.gov/pubmed/?term=20617526
*** 2009 ***
Kosek E, Jensen K, Lonsdorf T, Schalling M, Ingvar M. Genetic variation in the serotonin transporter gene (5-HTTLPR, rs25531) influences the analgesic response to the short acting opioid remifentanil in humans. Mol Pain 2009; 5 (37): 1-7. PMID: 19570226 https://www.ncbi.nlm.nih.gov/pubmed/?term=19570226
Jensen K, Lonsdorf T, M, Kosek E, Ingvar M. Increased sensitivity to thermal pain following a single opiate dose is influenced by the COMT val158met polymorphism. PLoS One 2009; 4 (6): e6016. PMID: 19547755 https://www.ncbi.nlm.nih.gov/pubmed/?term=19547755
Jensen K, Kosek E, Petzke F, Carville S, Fransson P, Marcus H, Williams SCR, Choy E, Giesecke T, Mainguy Y, Gracely R, Ingvar M. Evidence of dysfunctional pain inhibition in fibromyalgia reflected in rACC during provoked pain. Pain 2009; 144 (1-2): 95-100. PMID: 19410366 https://www.ncbi.nlm.nih.gov/pubmed/?term=19410366