Neurofeedback for pain management: a systematic review
Open accessAbstract
Background. Chronic pain is a significant global health issue. For most individuals with chronic pain, biomedical treatments do not provide adequate relief. Given the evidence that neurophysiological abnormalities are associated with pain, it is reasonable to consider treatments that target these factors, such as neurofeedback (NF). The primary objectives of this review were to summarize the current state of knowledge regarding: (1) the different types of NF and NF protocols that have been evaluated for pain management; (2) the evidence supporting each NF type and protocol; (3) if targeted brain activity changes occur with NF training; and (4) if such brain activity change is associated with improvements on treatment outcomes. Methods. Inclusion criteria were intentionally broad to encompass every empirical study using NF in relation to pain. We considered all kinds of NF, including both electroencephalogram- (EEG-) and functional magnetic resonance imagining- (fMRI-) based. We searched the following databases from inception through September 2019: Pubmed, Ovid, Embase, Web of Science, PsycINFO. The search strategy consisted of a combination of key terms referring to all NF types and pain conditions (e.g., neurofeedback, rt-fMRI-NF, BOLD, pain, migraine). Results. A total of 6,552 citations were retrieved; 24 of these that were included in the review. Most of the studies were of moderate quality, included a control condition and but did not include a follow-up. They focused on studying pain intensity (83%), pain frequency, and other variables (fatigue, sleep, depression) in samples of adults (n = 7 – 71) with headaches, fibromyalgia and other pain conditions. Most studies (79%) used EEG-based NF. A wide variety of NF types and protocols have been used for pain management aiming to either increase, decrease or regulate brain activity in certain areas theoretically associated with pain. Conclusions. Given the generally positive results in the studies reviewed, the findings indicate that NF procedures have the potential for reducing pain and improving other related outcomes in individuals with chronic pain. These findings support the need for continued – but higher quality – research in this area.
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Integrity signals
Registry
Cites
Statistics
Claims the paper makes
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Claims other papers make about this one
Each is checked against this paper’s own text: does it say what the citing paper says it does?
Two reviews evaluated neuro/biofeedback interventions following injury and both reported moderate to high-level evidence for these interventions being beneficial for distress-related outcomes.
“Two reviews evaluated neuro/biofeedback interventions following injury and both reported moderate to high-level evidence for these interventions being beneficial for distress-related outcomes.48 49”
From Impact of healthcare interventions on distress following acute musculoskeletal/orthopaedic injury: A scoping review of systematic reviews (2024) · cites this paper as [48]
The Discussion’s “Efficacy of NF” section reports improvements in anxiety and depression in studies of people with chronic pain, and the Results include studies involving spinal cord injury. But the review calls its overall evidence preliminary, not moderate to high-level, and does not establish that distress-related benefits apply specifically following injury. Page numbers are not available in our copy. (LLM, conf=0.87)
Experimental — accuracy not yet measured
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
The self-check needs the paper’s full text.
Cites
PRISMA-P Group, Moher, D., Shamseer, L., Clarke, M., Ghersi, D., Liberati, A., Petticrew, M., Shekelle, P., & Stewart, L. A. (2015) · Systematic Reviews · doi:10.1186/2046-4053-4-1 · Cited by 26,223 · see citing works
(2005) · Cited by 5,977 · see citing works
Depression and Pain Comorbidity: A Literature Review
Bair, M. J., Robinson, R. L., Katon, W., & Kroenke, K. (2003) · Archives of Internal Medicine · doi:10.1001/archinte.163.20.2433 · Cited by 3,463 · see citing works
Pascual-Marqui, R. D., Michel, C. M., & Lehmann, D. (1994) · International Journal of Psychophysiology · doi:10.1016/0167-8760(84)90014-x · Cited by 2,869 · see citing works
The Economic Costs of Pain in the United States
Gaskin, D. J., & Richard, P. (2012) · The Journal of Pain · doi:10.1016/j.jpain.2012.03.009 · Cited by 2,359 · see citing works
Thomas, B. H., Ciliska, D., Dobbins, M., & Micucci, S. (2004) · Worldviews on Evidence-Based Nursing · doi:10.1111/j.1524-475x.2004.04006.x · Cited by 2,118 · see citing works
The Hazards of Scoring the Quality of Clinical Trials for Meta-analysis
Jüni, P. (1999) · JAMA · doi:10.1001/jama.282.11.1054 · Cited by 1,981 · see citing works
The epidemiology of chronic pain in children and adolescents revisited: A systematic review
King, S., Chambers, C. T., Huguet, A., MacNevin, R. C., McGrath, P. J., Parker, L., & MacDonald, A. J. (2011) · Pain · doi:10.1016/j.pain.2011.07.016 · Cited by 1,688 · see citing works
Psychological therapies for the management of chronic pain (excluding headache) in adults
Williams, A. C. D. C., Eccleston, C., & Morley, S. (2012) · Cochrane Database of Systematic Reviews · doi:10.1002/14651858.cd007407.pub3 · Cited by 1,634 · see citing works
The association of sleep and pain: an update and a path forward
Finan, P. H., Goodin, B. R., & Smith, M. T. (2013) · The Journal of Pain · doi:10.1016/j.jpain.2013.08.007 · Cited by 1,620 · see citing works
Pain as a global public health priority
Goldberg, D. S., & McGee, S. J. (2011) · BMC Public Health · doi:10.1186/1471-2458-11-770 · Cited by 1,471 · see citing works
Estimates of Pain Prevalence and Severity in Adults: United States, 2012
Nahin, R. L. (2015) · The Journal of Pain · doi:10.1016/j.jpain.2015.05.002 · Cited by 918 · see citing works
Control over brain activation and pain learned by using real-time functional MRI
deCharms, R. C., Maeda, F., Glover, G. H., Ludlow, D., Pauly, J. M., Soneji, D., Gabrieli, J. D. E., & Mackey, S. C. (2005) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.0505210102 · Cited by 876 · see citing works
Pain and the brain: specificity and plasticity of the brain in clinical chronic pain
Apkarian, V. A., Hashmi, J. A., & Baliki, M. N. (2011) · Pain · doi:10.1016/j.pain.2010.11.010 · Cited by 782 · see citing works
Functional imaging with low-resolution brain electromagnetic tomography (LORETA): a review.
Pascual-Marqui, R. D., Esslen, M., Kochi, K., & Lehmann, D. (2002) · PubMed · Cited by 756 · see citing works
Event-related potential: An overview
Sur, S., & Sinha, V. (2009) · Industrial Psychiatry Journal · doi:10.4103/0972-6748.57865 · Cited by 659 · see citing works
Chronic pain may change the structure of the brain
May, A. (2008) · Pain · doi:10.1016/j.pain.2008.02.034 · Cited by 649 · see citing works
Chronic pain epidemiology and its clinical relevance
van Hecke, O., Torrance, N., & Smith, B. H. (2013) · British Journal of Anaesthesia · doi:10.1093/bja/aet123 · Cited by 632 · see citing works
A Decade of EEG Theta/Beta Ratio Research in ADHD: A Meta-Analysis
Arns, M., Conners, C. K., & Kraemer, H. C. (2013) · Journal of Attention Disorders · doi:10.1177/1087054712460087 · Cited by 608 · see citing works
The severity of chronic pediatric pain: an epidemiological study
Huguet, A., & Miró, J. (2008) · The Journal of Pain · doi:10.1016/j.jpain.2007.10.015 · Cited by 600 · see citing works
Self-citationWater associated zero maze: a novel rat test for long term traumatic re-experiencing
Ritov, G., & Richter‐Levin, G. (2014) · Frontiers in Behavioral Neuroscience · doi:10.3389/fnbeh.2014.00001 · Cited by 579 · see citing works
The Prevalence of Chronic Pain in Canada
Schopflocher, D., Taenzer, P. A., & Jovey, R. D. (2011) · Pain Research and Management · doi:10.1155/2011/876306 · Cited by 524 · see citing works
Marzbani, H., Marateb, H., & Mansourian, M. (2016) · Basic and Clinical Neuroscience Journal · doi:10.15412/j.bcn.03070208 · Cited by 484 · see citing works
Real-time fMRI neurofeedback: Progress and challenges
Sulzer, J., Haller, S., Scharnowski, F., Weiskopf, N., Birbaumer, N., Blefari, M. L., Bruehl, A. B., Cohen, L. G., deCharms, R. C., Gassert, R., et al. (2013) · NeuroImage · doi:10.1016/j.neuroimage.2013.03.033 · Cited by 453 · see citing works
Ros, T., Enriquez-Geppert, S., Zotev, V., Young, K. D., Wood, G., Whitfield-Gabrieli, S., Wan, F., Vuilleumier, P., Vialatte, F., Van De Ville, D., et al. (2020) · Brain · doi:10.1093/brain/awaa009 · Cited by 399 · see citing works
Groenewald, C. B., Essner, B. S., Wright, D., Fesinmeyer, M. D., & Palermo, T. M. (2014) · The Journal of Pain · doi:10.1016/j.jpain.2014.06.002 · Cited by 391 · see citing works
Central mechanisms of pain revealed through functional and structural MRI
Davis, K. D., & Moayedi, M. (2013) · Journal of Neuroimmune Pharmacology · doi:10.1007/s11481-012-9386-8 · Cited by 376 · see citing works
What is Neurofeedback: An Update
Hammond, D. C. (2011) · Journal of Neurotherapy · doi:10.1080/10874208.2011.623090 · Cited by 339 · see citing works
Understanding stigma and chronic pain: a-state-of-the-art review
De Ruddere, L., & Craig, K. D. (2016) · Pain · doi:10.1097/j.pain.0000000000000512 · Cited by 330 · see citing works
Strehl, U., Leins, U., Goth, G., Klinger, C., Hinterberger, T., & Birbaumer, N. (2006) · PEDIATRICS · doi:10.1542/peds.2005-2478 · Cited by 315 · see citing works
Neurofeedback with fMRI: A critical systematic review
Thibault, R. T., MacPherson, A., Lifshitz, M., Roth, R. R., & Raz, A. (2017) · NeuroImage · doi:10.1016/j.neuroimage.2017.12.071 · Cited by 300 · see citing works
Annotation: Neurofeedback – train your brain to train behaviour
Heinrich, H., Gevensleben, H., & Strehl, U. (2006) · Journal of Child Psychology and Psychiatry · doi:10.1111/j.1469-7610.2006.01665.x · Cited by 293 · see citing works
Electroencephalographic Patterns in Chronic Pain: A Systematic Review of the Literature
Pinheiro, E. S. D. S., de Queirós, F. C., Montoya, P., Luz-Santos, C., do Nascimento, M. A., Ito, C. H., Silva, M. M. P., Santos, D. B. N., Benevides, S. D., Miranda, J. G. V., et al. (2016) · PLoS ONE · doi:10.1371/journal.pone.0149085 · Cited by 285 · see citing works
Neurofeedback and Basic Learning Theory: Implications for Research and Practice
Sherlin, L. H., Arns, M., Lubar, J., Heinrich, H., Kerson, C., Strehl, U., & Sterman, M. B. (2011) · Journal of Neurotherapy · doi:10.1080/10874208.2011.623089 · Cited by 248 · see citing works
What is a ‘clinically meaningful’ reduction in pain?
Rowbotham, M. C. (2001) · Pain · doi:10.1016/s0304-3959(01)00371-2 · Cited by 246 · see citing works
Boord, P., Siddall, P. J., Tran, Y., et al. (2007) · Spinal Cord · doi:10.1038/sj.sc.3102077 · Cited by 187 · see citing works
Neuromodulatory treatments for chronic pain: efficacy and mechanisms
Jensen, M. P., Day, M. A., & Miró, J. (2014) · Nature Reviews Neurology · doi:10.1038/nrneurol.2014.12 · Cited by 172 · see citing works
Self-citationHoedlmoser, K., Pecherstorfer, T., Gruber, G., Anderer, P., Doppelmayr, M. M., Klimesch, W., & Schabus, M. (2008) · SLEEP · doi:10.5665/sleep/31.10.1401 · Cited by 172 · see citing works
Kayiran, S., Dursun, E., Dursun, N., Ermutlu, N., & Karamürsel, S. (2010) · Applied Psychophysiology and Biofeedback · doi:10.1007/s10484-010-9135-9 · Cited by 134 · see citing works
Self-regulation of Slow Cortical Potentials in Children with Migraine: An Exploratory Study
Siniatchkin, M., Hierundar, A., Kropp, P. A., Kuhnert, R., Gerber, W., & Stephani, U. (2000) · Applied Psychophysiology and Biofeedback · doi:10.1023/a:1009581321624 · Cited by 115 · see citing works
Rogala, J., Jurewicz, K., Paluch, K., Kublik, E., Cetnarski, R., & Wróbel, A. (2016) · Frontiers in Human Neuroscience · doi:10.3389/fnhum.2016.00301 · Cited by 115 · see citing works
Brain oscillations, hypnosis, and hypnotizability
Jensen, M. P., Adachi, T., & Hakimian, S. (2015) · American Journal of Clinical Hypnosis · doi:10.1080/00029157.2014.976786 · Cited by 98 · see citing works
Self-citationNeurofeedback and Neuromodulation Techniques and Applications
Coben, R., & Evans, J. R. (2011) · Elsevier eBooks · doi:10.1016/c2009-0-64101-5 · Cited by 91 · see citing works
Neurofeedback and biofeedback with 37 migraineurs: a clinical outcome study
Stokes, D. A., & Lappin, M. S. (2010) · Behavioral and Brain Functions · doi:10.1186/1744-9081-6-9 · Cited by 91 · see citing works
Review of the therapeutic neurofeedback method using electroencephalography: EEG Neurofeedback
Omejc, N., Rojc, B., Battaglini, P. P., & Marusic, U. (2018) · Bosnian Journal of Basic Medical Sciences · doi:10.17305/bjbms.2018.3785 · Cited by 91 · see citing works
QEEG-Guided Neurofeedback for Recurrent Migraine Headaches
Walker, J. E. (2011) · Clinical EEG and Neuroscience · doi:10.1177/155005941104200112 · Cited by 88 · see citing works
Steps Toward Developing an EEG Biofeedback Treatment for Chronic Pain
Jensen, M. P., Gertz, K. J., Kupper, A. E., Braden, A. L., Howe, J. D., Hakimian, S., & Sherlin, L. H. (2013) · Applied Psychophysiology and Biofeedback · doi:10.1007/s10484-013-9214-9 · Cited by 85 · see citing works
Self-citationNeurofeedback Treatment for Pain Associated with Complex Regional Pain Syndrome Type I
Jensen, M. P., Grierson, C., Tracy-Smith, V., Bacigalupi, S. C., & Othmer, S. (2007) · Journal of Neurotherapy · doi:10.1300/j184v11n01_04 · Cited by 83 · see citing works
Self-citationNeurofeedback in pain management
Ibric, V. L., & Dragomirescu, L. G. (2009) · Elsevier eBooks · doi:10.1016/b978-0-12-374534-7.00016-2 · Cited by 82 · see citing works
Effects of non-pharmacological pain treatments on brain states
Jensen, M. P., Sherlin, L. H., Askew, R. L., Fregni, F., Witkop, G., Gianas, A., Howe, J. D., & Hakimian, S. (2013) · Clinical Neurophysiology · doi:10.1016/j.clinph.2013.04.009 · Cited by 78 · see citing works
Self-citationHassan, M. A., Fraser, M., Conway, B. A., Allan, D., & Vučković, A. (2015) · BMC Neurology · doi:10.1186/s12883-015-0445-7 · Cited by 77 · see citing works
Psychological pain interventions and neurophysiology: Implications for a mechanism-based approach.
Flor, H. (2014) · American Psychologist · doi:10.1037/a0035254 · Cited by 74 · see citing works
Caro, X. J., & Winter, E. F. (2011) · Applied Psychophysiology and Biofeedback · doi:10.1007/s10484-011-9159-9 · Cited by 74 · see citing works
Real-time fMRI applied to pain management
Chapin, H. L., Bagarinao, E., & Mackey, S. (2012) · Neuroscience Letters · doi:10.1016/j.neulet.2012.02.076 · Cited by 73 · see citing works
Emmert, K., Breimhorst, M., Bauermann, T., Birklein, F., Ville, D. V. D., & Haller, S. (2014) · Frontiers in Behavioral Neuroscience · doi:10.3389/fnbeh.2014.00350 · Cited by 60 · see citing works
Vučković, A., Al-Taleb, M., Fraser, M., McGeady, C., & Purcell, M. (2019) · Frontiers in Neuroscience · doi:10.3389/fnins.2019.00762 · Cited by 60 · see citing works
Prinsloo, S., Novy, D. M., Driver, L., Lyle, R. R., Ramondetta, L. M., Eng, C., Lopez, G., Li, Y., & Cohen, L. G. (2018) · Journal of Pain and Symptom Management · doi:10.1016/j.jpainsymman.2018.01.010 · Cited by 59 · see citing works
Guan, M., Ma, L., Li, L., Yan, B., Zhao, L., Li, T., Dou, S., Xia, L., Wang, M., & Shi, D. (2015) · PLoS ONE · doi:10.1371/journal.pone.0123675 · Cited by 56 · see citing works
Rance, M., Ruttorf, M., Nees, F., Schad, L. R., & Flor, H. (2014) · Human Brain Mapping · doi:10.1002/hbm.22585 · Cited by 48 · see citing works
Miltner, W. H. R., Larbig, W., & Braun, C. (1988) · Pain · doi:10.1016/0304-3959(88)90228-x · Cited by 46 · see citing works
The climate of neurofeedback: scientific rigour and the perils of ideology
Thibault, R. T., Lifshitz, M., & Raz, A. (2017) · Brain · doi:10.1093/brain/awx330 · Cited by 43 · see citing works
Passive Infrared Hemoencephalography: Four Years and 100 Migraines
Carmen, J. A. (2005) · Journal of Neurotherapy · doi:10.1300/j184v08n03_03 · Cited by 41 · see citing works
Pain Management Using 19-Electrode Z -Score LORETA Neurofeedback
Koberda, J. L., Koberda, P., Bienkiewicz, A. A., et al. (2013) · Journal of Neurotherapy · doi:10.1080/10874208.2013.813204 · Cited by 39 · see citing works
Slow Cortical Potentials Neurofeedback
Strehl, U. (2009) · Journal of Neurotherapy · doi:10.1080/10874200902885936 · Cited by 33 · see citing works
Jensen, M. P., Gianas, A., George, H. R., Sherlin, L. H., Kraft, G. H., & Ehde, D. M. (2015) · International Journal of Clinical and Experimental Hypnosis · doi:10.1080/00207144.2015.1099400 · Cited by 33 · see citing works
Self-citationJensen, M. P., Battalio, S. L., Chan, J. F., Edwards, K. A., Day, M. A., Sherlin, L. H., & Ehde, D. M. (2018) · International Journal of Clinical and Experimental Hypnosis · doi:10.1080/00207144.2018.1460546 · Cited by 33 · see citing works
Self-citationRance, M., Ruttorf, M., Nees, F., Schad, L. R., & Flor, H. (2014) · Frontiers in Behavioral Neuroscience · doi:10.3389/fnbeh.2014.00357 · Cited by 26 · see citing works
Neurofeedback: Introduction to the special issue
Boxtel, G. J. M. V., & Gruzelier, J. H. (2013) · Biological Psychology · doi:10.1016/j.biopsycho.2013.11.011 · Cited by 25 · see citing works
Farahani, D. M., Tavallaii, A., Ahmadi, K., Fathi-Ashtiani, A., Sheikh, M., & Yahaghi, E. (2014) · Iranian Red Crescent Medical Journal · doi:10.5812/ircmj.17799 · Cited by 23 · see citing works
A DISCOURSE ON METHOD IN CHILD PSYCHIATRY*
Miller, E. (1960) · Journal of Child Psychology and Psychiatry · doi:10.1111/j.1469-7610.1960.tb01974.x · Cited by 22 · see citing works
Clinical Perspectives of 19-Channel Z-Score Neurofeedback: Benefits and Limitations
Wigton, N. L. (2013) · Journal of Neurotherapy · doi:10.1080/10874208.2013.847142 · Cited by 20 · see citing works
When Discussing Neurofeedback, Does Modality Matter?
Krigbaum, G., & Wigton, N. L. (2014) · NeuroRegulation · doi:10.15540/nr.1.1.48 · Cited by 17 · see citing works
Prinsloo, S., Rosenthal, D. I., Lyle, R. R., Garcia, S. M., Gabel, S., Cannon, R. L., Bruera, E. D., & Cohen, L. G. (2018) · Brain Topography · doi:10.1007/s10548-018-0686-z · Cited by 17 · see citing works
Psychological Neuromodulatory Treatments for Young People with Chronic Pain
Miró, J., Castarlenas, E., de la Vega, R., Roy, R., Solé, E., Tomé‐Pires, C., & Jensen, M. (2016) · Children · doi:10.3390/children3040041 · Cited by 16 · see citing works
Self-citationEEG Neurofeedback in the Treatment of Chronic Pain: A Case Series
Jacobs, E., & Jensen, M. (2015) · NeuroRegulation · doi:10.15540/nr.2.2.86 · Cited by 8 · see citing works
Self-citationFeedback of Slow Cortical Potentials
Wyckoff, S. N., & Strehl, U. (2010) · Elsevier eBooks · doi:10.1016/b978-0-12-382235-2.00008-1 · Cited by 3 · see citing works
Flagged first, then by citations
Research works printed but not linked: 2
- Institute of Medicine (U.S) Committee on a National Agenda for the Prevention of Disabilities (1991). Disability in America: Toward a National Agenda for Prevention - Committee on a National Agenda for the Prevention of Disabilities, Institute of Medicine. editors Pope A. Tarlov A. Washington, DC: National Academy Press.
- Jensen M. Karoly P. (2001). Self-report scales and procedures for assessing pain in adults, in Handbook of Pain Assessment, 3 Edn. eds Turk D. Melzack R. (New York, NY: Guilford Press), 15– 34.
Cited by
Sorted by citations
Sim, A., McNeilage, A. G., Gholamrezaei, A., Rebbeck, T., & Ashton-James, C. (2024) · BMJ Open · doi:10.1136/bmjopen-2024-085778 · Cited by 8 · see citing works
“90 Most of the reviews did not include information on the clinicians delivering the interventions.”
Background
- Authors
- Roy, R., de la Vega, R., Jensen, M. P., & Miró, J.
- Affiliations
- Universitat Rovira i Virgili (ES)
- University of Washington (US)
- Corresponding author
- Miró, Jordi
- Venue
- Frontiers in Neuroscience
- Publisher
- Frontiers Media SA
- Published
- 2020-07-16
- Volume
- 14
- Pages
- 671-671
- ISSN
- 1662-453X (ISSN-L)
- PMC
- PMC7378966
- OpenAlex
- W3042473214
- Cited by
- 77
- References
- 76
- Citations by year
- 2026: 5 · 2025: 25 · 2024: 18 · 2023: 8 · 2022: 10 · 2021: 9 · 2020: 2
- FWCI
- 2.17
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Frontiers in Neuroscience (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Rovira & Virgili repository (submittedVersion, cc-by)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- Ministerio de Economía y Competitividad (PSI2015-70966-P, RTI2018)
- Fundación Grünenthal España (RTI2018-09870-B-I00)
- National Institutes of Health (P01 HD33988)
- European Regional Development Fund (RTI2018-09870-B-I00, RTI2018)
- National Institute of Child Health and Human Development (P01 HD33988)
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (P01HD033988)
- National Center for Medical Rehabilitation Research
- Topics
- Health Sciences › Medicine › Anesthesiology and Pain Medicine › Pain Management and Treatment
- Life Sciences › Neuroscience › Cognitive Neuroscience › EEG and Brain-Computer Interfaces
- Health Sciences › Medicine › Physiology › Pain Mechanisms and Treatments
- Keywords
- neurofeedback, chronic pain, pain management, EEG-based neurofeedback, real-time fMRI neurofeedback, fibromyalgia, headache, migraine, pain intensity, fatigue, sleep, depression
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review