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Rubal-Otero L, Gil-Ugidos A, Villar AJG, Carrillo-de-la-Peña MT. Temporal summation of second pain is affected by cognitive load. J Neurosci Res 2024; 102:e25363. [PMID: 38895850 DOI: 10.1002/jnr.25363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 05/30/2024] [Accepted: 06/04/2024] [Indexed: 06/21/2024]
Abstract
This work attempted to clarify the interaction of cognition and pain sensitization during a paradigm of Temporal Summation of Second Pain (TSSP). We analyzed pain ratings and electroencephalographic (EEG) activity obtained from 21 healthy participants during the presentation of four experimental conditions that differed in the manipulation of attention to painful stimuli or working memory load (Attention to hand & TSSP; 0-back & TSSP (low cognitive load); 2-back & TSSP (high cognitive load); 2-back (without pain)). We found that the TSSP was reduced when the attention was diverted and the cognitive load increased, and this reduction was accompanied by higher midfrontal theta activity and lower posterior alpha and central beta activity. Although it is well established that TSSP is a phenomenon that occurs at the spinal level, here we show that it is also affected by supraspinal attentional mechanisms. Delivery of painful repeated stimuli did not affect the performance of the 2-back task but was associated with smaller amplitudes of attentional event-related potentials (ERPs) after standard stimuli (not the target). The study of brain activity during TSSP allowed to clarify the role of top-down attentional modulation in pain sensitization processes. Results contribute to a better understanding of cognitive dysfunction in pain conditions and reinforce the use of therapeutic strategies based on distracting attention away from pain.
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Affiliation(s)
- Lara Rubal-Otero
- Brain and Pain (BaP) Lab, Department of Clinical Psychology and Psychobiology, University of Santiago de Compostela (USC), Santiago de Compostela, Spain
| | - Antonio Gil-Ugidos
- Brain and Pain (BaP) Lab, Department of Clinical Psychology and Psychobiology, University of Santiago de Compostela (USC), Santiago de Compostela, Spain
| | - Alberto Jacobo González Villar
- Psychological Neuroscience Lab, Centro de Investigação em Psicologia, School of Psychology, University of Minho, Campus de Gualtar, Braga, Portugal
| | - María Teresa Carrillo-de-la-Peña
- Brain and Pain (BaP) Lab, Department of Clinical Psychology and Psychobiology, University of Santiago de Compostela (USC), Santiago de Compostela, Spain
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2
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Fernández-Carnero J, Beltrán-Alacreu H, Arribas-Romano A, Cerezo-Téllez E, Cuenca-Zaldivar JN, Sánchez-Romero EA, Lerma Lara S, Villafañe JH. Prediction of Patient Satisfaction after Treatment of Chronic Neck Pain with Mulligan's Mobilization. LIFE (BASEL, SWITZERLAND) 2022; 13:life13010048. [PMID: 36675997 PMCID: PMC9860852 DOI: 10.3390/life13010048] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/16/2022] [Accepted: 12/20/2022] [Indexed: 12/28/2022]
Abstract
Chronic neck pain is among the most common types of musculoskeletal pain. Manual therapy has been shown to have positive effects on this type of pain, but there are not yet many predictive models for determining how best to apply manual therapy to the different subtypes of neck pain. The aim of this study is to develop a predictive learning approach to determine which basal outcome could give a prognostic value (Global Rating of Change, GRoC scale) for Mulligan's mobilization technique and to identify the most important predictive factors for recovery in chronic neck pain subjects in four key areas: the number of treatments, time of treatment, reduction of pain, and range of motion (ROM) increase. A prospective cohort dataset of 80 participants with chronic neck pain diagnosed by their family doctor was analyzed. Logistic regression and machine learning modeling techniques (Generalized Boosted Models, Support Vector Machine, Kernel, Classsification and Decision Trees, Random Forest and Neural Networks) were each used to form a prognostic model for each of the nine outcomes obtained before and after intervention: disability-neck disability index (NDI), patient satisfaction (GRoC), quality of life (12-Item Short Form Survey, SF-12), State-Trait Anxiety Inventory (STAI), Beck Depression Inventory (BDI II), pain catastrophizing scale (ECD), kinesiophobia-Tampa scale of kinesiophobia (TSK-11), Pain Intensity Visual Analogue Scale (VAS), and cervical ROM. Pain descriptions from the subjects and pain body diagrams guided the physical examination. The most important predictive factors for recovery in chronic neck pain patients indicated that the more anxiety and the lower the ROM of lateroflexion, the higher the probability of success with the Mulligan concept treatment.
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Affiliation(s)
- Josué Fernández-Carnero
- Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine, Universidad Rey Juan Carlos, 28922 Alcorcón, Spain
- Musculoskeletal Pain and Motor Control Research Group, Faculty of Sport Sciences, Universidad Europea de Madrid, 28670 Madrid, Spain
- Department of Physiotherapy, Faculty of Sport Sciences, Universidad Europea de Madrid, 28670 Villaviciosa de Odón, Spain
- Musculoskeletal Pain and Motor Control Research Group, Faculty of Health Sciences, Universidad Europea de Canarias, C/Inocencio García 1, 38300 La Orotava, Spain
- Department of Physiotherapy, Faculty of Health Sciences, Universidad Europea de Canarias, 38300 Santa Cruz de Tenerife, Spain
- Motion in Brains Research Group, Institute of Neuroscience and Sciences of the Movement (INCIMOV), Centro Superior de Estudios Universitarios La Salle, Universidad Autónoma de Madrid, 28023 Madrid, Spain
| | - Hector Beltrán-Alacreu
- Toledo Physiotherapy Research Group (GIFTO), Faculty of Physical Therapy and Nursing, Universidad de Castilla-La Mancha, Avenida de Carlos III s/n, 45071 Toledo, Spain
- CranioSPain Research Group, Centro Superior de Estudios Universitarios La Salle, Calle de la Salle 10, 28023 Madrid, Spain
| | - Alberto Arribas-Romano
- Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine, Universidad Rey Juan Carlos, 28922 Alcorcón, Spain
- International Doctoral School, Rey Juan Carlos University, 28933 Móstoles, Spain
| | - Ester Cerezo-Téllez
- Facultad de Medicina y Ciencias de la Salud, Departamento de Enfermería y Fisioterapia, Grupo de Investigación en Fisioterapia y Dolor, Universidad de Alcalá, 28801 Alcalá de Henares, Spain
| | - Juan Nicolás Cuenca-Zaldivar
- Facultad de Medicina y Ciencias de la Salud, Departamento de Enfermería y Fisioterapia, Grupo de Investigación en Fisioterapia y Dolor, Universidad de Alcalá, 28801 Alcalá de Henares, Spain
- Research Group in Nursing and Health Care, Puerta de Hierro Health Research Institute-Segovia de Arana (IDIPHISA), Manuel de Falla s/n, 28220 Majadahonda, Spain
- Primary Health Center "El Abajón", Calle Principado de Asturias 30, 28231 Las Rozas, Spain
| | - Eleuterio A Sánchez-Romero
- Musculoskeletal Pain and Motor Control Research Group, Faculty of Sport Sciences, Universidad Europea de Madrid, 28670 Madrid, Spain
- Department of Physiotherapy, Faculty of Sport Sciences, Universidad Europea de Madrid, 28670 Villaviciosa de Odón, Spain
- Musculoskeletal Pain and Motor Control Research Group, Faculty of Health Sciences, Universidad Europea de Canarias, C/Inocencio García 1, 38300 La Orotava, Spain
- Department of Physiotherapy, Faculty of Health Sciences, Universidad Europea de Canarias, 38300 Santa Cruz de Tenerife, Spain
| | - Sergio Lerma Lara
- Motion in Brains Research Group, Institute of Neuroscience and Sciences of the Movement (INCIMOV), Centro Superior de Estudios Universitarios La Salle, Universidad Autónoma de Madrid, 28023 Madrid, Spain
- Department of Physical Therapy, Centro Superior de Estudios Universitarios La Salle, Universidad Autónoma de Madrid, 28023 Madrid, Spain
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Norton CM, Ibinson JW, Pcola SJ, Popov V, Tremel JJ, Reder LM, Fiez JA, Vogt KM. Neutral auditory words immediately followed by painful electric shock may show reduced next-day recollection. Exp Brain Res 2022; 240:2939-2951. [PMID: 36152053 PMCID: PMC10190200 DOI: 10.1007/s00221-022-06467-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 09/18/2022] [Indexed: 11/27/2022]
Abstract
In this study, we investigated the effect of experimentally delivered acute pain on memory. Twenty-five participants participated in experimental sessions on consecutive days. The first session involved a categorization task to encourage memory encoding. There were two conditions, presented in randomized order, in which participants listened to a series of words, which were repeated three times. In one condition, one-third of the word items were immediately followed by a painful electrical shock. This word-shock pairing was consistent across repetition and the pain-paired items were presented unpredictably. In the other condition, all word items were not associated with pain. Response times over these repeated presentations were assessed for differences. Explicit memory was tested the following day, employing a Remember-Know assessment of word recognition, with no shocks employed. We found evidence that recollection may be reduced for pain-paired words, as the proportion of correct Remember responses (out of total correct responses) was significantly lower. There were no significant reductions in memory for non-pain items that followed painful stimulation after a period of several seconds. Consistent with the experience of pain consuming working memory resources, we theorize that painful shocks interrupt memory encoding for the immediately preceding experimental items, due to a shift in attention away from the word item.
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Affiliation(s)
- Caroline M Norton
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh, School of Medicine, 3459 Fifth Avenue, Suite 467, Pittsburgh, PA, 15213, USA
| | - James W Ibinson
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh, School of Medicine, 3459 Fifth Avenue, Suite 467, Pittsburgh, PA, 15213, USA
- Clinical and Translational Science Institute, University of Pittsburgh, Pittsburgh, PA, USA
| | - Samantha J Pcola
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh, School of Medicine, 3459 Fifth Avenue, Suite 467, Pittsburgh, PA, 15213, USA
| | - Vencislav Popov
- Center for the Neural Basis of Cognition, Pittsburgh, PA, USA
- Department of Psychology, Carnegie Mellon University, Pittsburgh, PA, USA
| | - Joshua J Tremel
- Department of Psychology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Lynne M Reder
- Center for the Neural Basis of Cognition, Pittsburgh, PA, USA
- Department of Psychology, Carnegie Mellon University, Pittsburgh, PA, USA
| | - Julie A Fiez
- Center for the Neural Basis of Cognition, Pittsburgh, PA, USA
- Department of Psychology, University of Pittsburgh, Pittsburgh, PA, USA
- Department of Neuroscience, University of Pittsburgh, Pittsburgh, PA, USA
| | - Keith M Vogt
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh, School of Medicine, 3459 Fifth Avenue, Suite 467, Pittsburgh, PA, 15213, USA.
- Center for the Neural Basis of Cognition, Pittsburgh, PA, USA.
- Department of Bioengineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA, USA.
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Amir C, Rose-McCandlish M, Weger R, Dildine TC, Mischkowski D, Necka EA, Lee IS, Wager TD, Pine DS, Atlas LY. Test-Retest Reliability of an Adaptive Thermal Pain Calibration Procedure in Healthy Volunteers. THE JOURNAL OF PAIN 2022; 23:1543-1555. [PMID: 35189353 PMCID: PMC9644806 DOI: 10.1016/j.jpain.2022.01.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 01/14/2022] [Accepted: 01/30/2022] [Indexed: 01/02/2023]
Abstract
Quantitative sensory testing (QST) allows researchers to evaluate associations between noxious stimuli and acute pain in clinical populations and healthy participants. Despite its widespread use, our understanding of QST’s reliability is limited, as reliability studies have used small samples and restricted time windows. We examined the reliability of pain ratings in response to noxious thermal stimulation in 171 healthy volunteers (n = 99 female, n = 72 male) who completed QST on multiple visits ranging from 1 day to 952 days between visits. On each visit, participants underwent an adaptive pain calibration in which they experienced 24 heat trials and rated pain intensity after stimulus offset on a 0 to 10 Visual Analog Scale. We used linear regression to determine pain threshold, pain tolerance, and the correlation between temperature and pain for each session and examined the reliability of these measures. Threshold and tolerance were moderately reliable (Intra-class correlation = .66 and .67, respectively; P < .001), whereas temperature-pain correlations had low reliability (Intra-class correlation = .23). In addition, pain tolerance was significantly more reliable in female participants than male participants, and we observed similar trends for other pain sensitive measures. Our findings indicate that threshold and tolerance are largely consistent across visits, whereas sensitivity to changes in temperature vary over time and may be influenced by contextual factors.
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Affiliation(s)
- Carolyn Amir
- National Center for Complementary and Integrative Health, National Institutes of Health, Bethesda, Maryland
| | - Margaret Rose-McCandlish
- National Center for Complementary and Integrative Health, National Institutes of Health, Bethesda, Maryland
| | - Rachel Weger
- National Center for Complementary and Integrative Health, National Institutes of Health, Bethesda, Maryland
| | - Troy C Dildine
- National Center for Complementary and Integrative Health, National Institutes of Health, Bethesda, Maryland; Clinical Neuroscience Section, Karolinska Institutet, Solna, Sweden
| | | | - Elizabeth A Necka
- National Center for Complementary and Integrative Health, National Institutes of Health, Bethesda, Maryland; National Institute on Aging, National Institutes of Health, Bethesda, Maryland
| | - In-Seon Lee
- College of Korean Medicine, Kyung Hee University, Seoul, Republic of Korea; Acupuncture & Meridian Science Research Center, Kyung Hee University, Seoul, Republic of Korea
| | | | - Daniel S Pine
- National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland
| | - Lauren Y Atlas
- National Center for Complementary and Integrative Health, National Institutes of Health, Bethesda, Maryland; National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland; National Institute on Drug Abuse, National Institutes of Health, Baltimore, Maryland.
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Comparison between the Impacts of Memory and Arithmetic-Based Dual Tasks on Physical Performance in Women with Fibromyalgia. BIOLOGY 2022; 11:biology11070947. [PMID: 36101328 PMCID: PMC9312017 DOI: 10.3390/biology11070947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/17/2022] [Accepted: 06/20/2022] [Indexed: 11/17/2022]
Abstract
Background: Fibromyalgia symptoms have a significant impact on the ability to perform activities of daily living. These activities require the ability to perform two or more tasks at the same time, which is known as a dual task. Purpose: To analyze physical and cognitive performance differences between memory and arithmetic dual tasks. Methods: Twenty-five women with fibromyalgia participated in this study. Participants performed three physical tests (back scratch, arm curl, and 10-step stair) as a single task and under two types of dual task (memory and arithmetic). Results: Differences between the single and dual tasks were observed in the back scratch and the 10-step stair tests using the arithmetic dual-task. Significant differences were only observed for the memory dual-task in the 10-step stair test. In addition, the performance in the back scratch and in the 10-step stair was significantly lower under the arithmetic compared to the memory-based dual task. Furthermore, a significant difference between these two types of dual task was obtained in the dual-task cost of 10-step stair. Regarding cognitive performance, a significantly lower percentage of correct responses was found in the AbDT compared to the MbDT in the 10-step stair test. Conclusions: the AbDT could have a higher impact on physical performance than the MbDT during the back scratch and the 10-step stair tests. The characteristics of the sample, environment, complexity of the motor task, and difficulty of the simultaneous cognitive task may also be relevant for understanding the differences in dual-task interference.
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Attention Bias to Pain Words Comes Early and Cognitive Load Matters: Evidence from an ERP Study on Experimental Pain. Neural Plast 2021; 2021:9940889. [PMID: 34754306 PMCID: PMC8572635 DOI: 10.1155/2021/9940889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Revised: 09/19/2021] [Accepted: 10/05/2021] [Indexed: 11/18/2022] Open
Abstract
Attention bias (AB) is a common cognitive challenge for patients with pain. In this study, we tested at what stage AB to pain occurs in participants with experimental pain (EP) and tested whether cognitive load interferes with it. We recruited 40 healthy adults aged 18-27 years, and randomized them into control and EP groups. We sprayed the participants in the EP group with 10% capsaicin paste to mimic acute pain and those in the control group with water, accessing both groups' behavioral results and event-related potential data. We found that high-load tasks had longer response times and lower accuracies than low-load tasks did and that different neural processing of words occurred between the groups. The EP group exhibited AB to pain at an early stage with both attentional avoidance (N1 latency) and facilitated attention (P2 amplitude) to pain words. The control group coped with semantic differentiation (N1) at first, followed by pain word discrimination (P2). In addition, AB to pain occurred only in low-load tasks. As the cognitive load multiplied, we did not find AB in the EP group. Therefore, our study adds further evidence for AB to pain, suggesting the implementation of cognitive load in future AB therapy.
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Gil-Ugidos A, Rodríguez-Salgado D, Pidal-Miranda M, Samartin-Veiga N, Fernández-Prieto M, Carrillo-de-la-Peña MT. Working Memory Performance, Pain and Associated Clinical Variables in Women With Fibromyalgia. Front Psychol 2021; 12:747533. [PMID: 34744922 PMCID: PMC8566754 DOI: 10.3389/fpsyg.2021.747533] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 09/20/2021] [Indexed: 01/08/2023] Open
Abstract
Working memory (WM) is a critical process for cognitive functioning in which fibromyalgia (FM) patients could show cognitive disturbances. Dyscognition in FM has been explained by interference from pain processing, which shares the neural substrates involved in cognition and may capture neural resources required to perform cognitive tasks. However, there is not yet data about how pain is related to WM performance, neither the role that other clinical variables could have. The objectives of this study were (1) to clarify the WM status of patients with FM and its relationship with nociception, and (2) to determine the clinical variables associated to FM that best predict WM performance. To this end, 132 women with FM undertook a neuropsychological assessment of WM functioning (Digit span, Spatial span, ACT tests and a 2-Back task) and a complete clinical assessment (FSQ, FIQ-R, BDI-1A, HADS, PSQI, MFE-30 questionnaires), including determination of pain thresholds and tolerance by pressure algometry. Patients with FM seem to preserve their WM span and ability to maintain and manipulate information online for both visuospatial and verbal domains. However, up to one-third of patients showed impairment in tasks requiring more short-term memory load, divided attention, and information processing ability (measured by the ACT task). Cognitive performance was spuriously related to the level of pain experienced, finding only that pain measures are related to the ACT task. The results of the linear regression analyses suggest that sleep problems and fatigue were the variables that best predicted WM performance in FM patients. Future research should take these variables into account when evaluating dyscognition in FM and should include dynamic measures of pain modulation.
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Affiliation(s)
- Antonio Gil-Ugidos
- Brain and Pain (BaP) Laboratory, Department of Clinical Psychology and Psychobiology, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Dolores Rodríguez-Salgado
- Brain and Pain (BaP) Laboratory, Department of Clinical Psychology and Psychobiology, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Marina Pidal-Miranda
- Brain and Pain (BaP) Laboratory, Department of Clinical Psychology and Psychobiology, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Noelia Samartin-Veiga
- Brain and Pain (BaP) Laboratory, Department of Clinical Psychology and Psychobiology, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Montse Fernández-Prieto
- Genetics Group, GC05, Instituto de Investigación Sanitaria de Santiago (IDIS), Santiago de Compostela, Spain.,Grupo de Medicina Xenómica, Center for Research in Molecular Medicine and Chronic Diseases (CiMUS), Universidade de Santiago de Compostela (USC), Santiago de Compostela, Spain.,U711, Centro de Investigación en Red de Enfermedades Raras (CIBERER), Santiago de Compostela, Spain
| | - Maria Teresa Carrillo-de-la-Peña
- Brain and Pain (BaP) Laboratory, Department of Clinical Psychology and Psychobiology, University of Santiago de Compostela, Santiago de Compostela, Spain
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Liew BXW, Peolsson A, Rugamer D, Wibault J, Löfgren H, Dedering A, Zsigmond P, Falla D. Clinical predictive modelling of post-surgical recovery in individuals with cervical radiculopathy: a machine learning approach. Sci Rep 2020; 10:16782. [PMID: 33033308 PMCID: PMC7545179 DOI: 10.1038/s41598-020-73740-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 09/18/2020] [Indexed: 12/23/2022] Open
Abstract
Prognostic models play an important role in the clinical management of cervical radiculopathy (CR). No study has compared the performance of modern machine learning techniques, against more traditional stepwise regression techniques, when developing prognostic models in individuals with CR. We analysed a prospective cohort dataset of 201 individuals with CR. Four modelling techniques (stepwise regression, least absolute shrinkage and selection operator [LASSO], boosting, and multivariate adaptive regression splines [MuARS]) were each used to form a prognostic model for each of four outcomes obtained at a 12 month follow-up (disability-neck disability index [NDI]), quality of life (EQ5D), present neck pain intensity, and present arm pain intensity). For all four outcomes, the differences in mean performance between all four models were small (difference of NDI < 1 point; EQ5D < 0.1 point; neck and arm pain < 2 points). Given that the predictive accuracy of all four modelling methods were clinically similar, the optimal modelling method may be selected based on the parsimony of predictors. Some of the most parsimonious models were achieved using MuARS, a non-linear technique. Modern machine learning methods may be used to probe relationships along different regions of the predictor space.
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Affiliation(s)
- Bernard X W Liew
- School of Sport, Rehabilitation and Exercise Sciences, University of Essex, Colchester, Essex, UK.
| | - Anneli Peolsson
- Department of Health, Medicine and Caring Sciences, Division of Prevention, Rehabilitation and Community Medicine, Unit of Physiotherapy, Linköping University, Linköping, Sweden
| | - David Rugamer
- Department of Statistics, Ludwig-Maximilians-Universität München, Munich, Germany
- Chair of Statistics, School of Business and Economics, Humboldt University of Berlin, Berlin, Germany
| | - Johanna Wibault
- Department of Health, Medicine and Caring Sciences, Division of Prevention, Rehabilitation and Community Medicine, Unit of Physiotherapy, Linköping University, Linköping, Sweden
- Department of Activity and Health, and Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | - Hakan Löfgren
- Neuro-Orthopedic Center, Jönköping, Region Jönköping County, Sweden
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Asa Dedering
- Allied Health Professionals Function, Department of Occupational Therapy and Physiotherapy, Karolinska University Hospital, Stockholm, Sweden
- Department of Neurobiology, Care Sciences and Society, Division of Physiotherapy, Karolinska Institutet, Stockholm, Sweden
| | - Peter Zsigmond
- Department of Neurosurgery, Linköping University Hospital, Linköping, Sweden
| | - Deborah Falla
- Centre of Precision Rehabilitation for Spinal Pain (CPR Spine), School of Sport, Exercise and Rehabilitation Sciences, College of Life and Environmental Sciences, University of Birmingham, Birmingham, UK
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Wang K, Cai G, Huang S, Li Y, Li R, Wu W. Performance of healthy persons under pain in different cognitive load tasks: An event-related potential study on experimental pain individuals. Brain Behav 2020; 10:e01713. [PMID: 32558280 PMCID: PMC7428486 DOI: 10.1002/brb3.1713] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 05/13/2020] [Accepted: 05/15/2020] [Indexed: 12/18/2022] Open
Abstract
OBJECTIVE This study aims to determine how brain activities underlying task with different cognitive load would be modulated by the painful state using electroencephalography. METHODS The pain state was established by spraying capsaicin on subjects' left inner forearm. A total of 20 experimental pain subjects and 20 matched nonpain controls underwent cognitive tasks with electroencephalogram recording. We collected and analyzed behavioral and event-related potential (ERP) data. RESULTS High cognitive tasks exhibited significantly longer response times and lower accuracies than low-load tasks. The experimental pain group displayed a significantly lower accuracy than the control group. In addition, the experimental pain group showed no significance between high and low cognitive tasks in early ERP components (amplitude of N1, P2, N2, and early part of late positive potential), whereas the control group exhibited significance between different load tasks. Furthermore, we observed a delay peak energy for delta and theta oscillation in Fz 500-800 ms after the onset for pain persons and high cognitive load tasks. CONCLUSIONS Inadequate early attention modulation, along with delayed peak energy for brain oscillation (delta and theta), could be accountable for a worse performance in cognitive tasks in the experimental pain group. Thus, cognitive load is a highly considerable factor. Overall, this study offers more insights into how healthy population works with cognitive tasks under pain neurologically.
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Affiliation(s)
- Kangling Wang
- Department of Rehabilitation MedicineZhujiang HospitalSouthern Medical UniversityGuangzhouChina
| | - Guiyuan Cai
- Department of Rehabilitation MedicineZhujiang HospitalSouthern Medical UniversityGuangzhouChina
| | - Shimin Huang
- Department of Rehabilitation MedicineZhujiang HospitalSouthern Medical UniversityGuangzhouChina
| | - Yuqi Li
- Department of Rehabilitation MedicineZhujiang HospitalSouthern Medical UniversityGuangzhouChina
| | - Rongdong Li
- Department of Rehabilitation MedicineZhujiang HospitalSouthern Medical UniversityGuangzhouChina
| | - Wen Wu
- Department of Rehabilitation MedicineZhujiang HospitalSouthern Medical UniversityGuangzhouChina
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Vuong QC, Owen A, Akin-Akinyosoye K, Araujo-Soares V. An incremental dual-task paradigm to investigate pain attenuation by task difficulty, affective content and threat value. PLoS One 2018; 13:e0207023. [PMID: 30412604 PMCID: PMC6226192 DOI: 10.1371/journal.pone.0207023] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Accepted: 10/22/2018] [Indexed: 02/02/2023] Open
Abstract
There is accumulating evidence that task demands and psychological states can affect perceived pain intensity. Different accounts have been proposed to explain this attenuation based either on how limited attentional resources are allocated to the pain stimulus or on how the threat value of the pain stimulus biases attention. However, the evidence for both proposals remains mixed. Here we introduce an incremental dual-task paradigm in which participants were asked to detect pain on their fingertip without any additional tasks during baseline phases or while concurrently detecting visual targets during task phases. The force applied to participants' fingertip in all phases increased incrementally until they detected moderate pain. In Experiment 1, we used coloured shapes and in Experiment 2 we used affective images as visual targets. We also manipulated the threat value of the pain stimulus in Experiment 2. For both experiments, we found that a concurrent task attenuated perceived pain intensity: mean force was significantly greater for the same moderate pain during task compared to baseline phases. Furthermore although task difficulty and affective content did not affect pain perception, the threat value of the pain stimulus moderated the magnitude of pain attenuation.
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Affiliation(s)
- Quoc C. Vuong
- Institute of Neuroscience, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Angela Owen
- Institute of Neuroscience, Newcastle University, Newcastle upon Tyne, United Kingdom
| | | | - Vera Araujo-Soares
- Institute of Neuroscience, Newcastle University, Newcastle upon Tyne, United Kingdom
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