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Qi X, Jia T, Zhang C, Su W, Pan Z, Wang C, Yang H, Liu J. The different analgesic effects of alpha high-definition transcranial alternating current stimulation over the primary sensorimotor cortex and the left dorsolateral prefrontal cortex during sustained experimental pain. Brain Stimul 2024; 17:416-418. [PMID: 38548132 DOI: 10.1016/j.brs.2024.03.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Accepted: 03/24/2024] [Indexed: 04/02/2024] Open
Affiliation(s)
- Xingang Qi
- Center for Brain Imaging, School of Life Science and Technology, Xidian University, Xi'an, 710126, PR China; Engineering Research Center of Molecular & Neuroimaging, Ministry of Education, Xi'an, 710126, PR China
| | - Tianzhe Jia
- Center for Brain Imaging, School of Life Science and Technology, Xidian University, Xi'an, 710126, PR China; Engineering Research Center of Molecular & Neuroimaging, Ministry of Education, Xi'an, 710126, PR China
| | - Chuan Zhang
- Department of Radiology, Affiliated Hospital of North Sichuan Medical College, Sichuan, 637000, PR China
| | - Wenjie Su
- Center for Brain Imaging, School of Life Science and Technology, Xidian University, Xi'an, 710126, PR China; Engineering Research Center of Molecular & Neuroimaging, Ministry of Education, Xi'an, 710126, PR China
| | - Zhiqiang Pan
- Center for Brain Imaging, School of Life Science and Technology, Xidian University, Xi'an, 710126, PR China; Engineering Research Center of Molecular & Neuroimaging, Ministry of Education, Xi'an, 710126, PR China
| | - Chenxi Wang
- Center for Brain Imaging, School of Life Science and Technology, Xidian University, Xi'an, 710126, PR China; Engineering Research Center of Molecular & Neuroimaging, Ministry of Education, Xi'an, 710126, PR China.
| | - Hanfeng Yang
- Department of Radiology, Affiliated Hospital of North Sichuan Medical College, Sichuan, 637000, PR China.
| | - Jixin Liu
- Center for Brain Imaging, School of Life Science and Technology, Xidian University, Xi'an, 710126, PR China; Engineering Research Center of Molecular & Neuroimaging, Ministry of Education, Xi'an, 710126, PR China.
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Gurdiel-Álvarez F, González-Zamorano Y, Lerma-Lara S, Gómez-Soriano J, Sánchez-González JL, Fernández-Carnero J, Navarro-López V. Transcranial Direct Current Stimulation (tDCS) Effects on Quantitative Sensory Testing (QST) and Nociceptive Processing in Healthy Subjects: A Systematic Review and Meta-Analysis. Brain Sci 2023; 14:9. [PMID: 38275514 PMCID: PMC10813344 DOI: 10.3390/brainsci14010009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 12/06/2023] [Accepted: 12/07/2023] [Indexed: 01/27/2024] Open
Abstract
BACKGROUND The aim of this study is to determine the effect that different tDCS protocols have on pain processing in healthy people, assessed using quantitative sensory tests (QST) and evoked pain intensity. METHODS We systematically searched in EMBASE, CINAHL, PubMed, PEDro, PsycInfo, and Web of Science. Articles on tDCS on a healthy population and regarding QST, such as pressure pain thresholds (PPT), heat pain thresholds (HPT), cold pain threshold (CPT), or evoked pain intensity were selected. Quality was analyzed using the Cochrane Risk of Bias Tool and PEDro scale. RESULTS Twenty-six RCTs were included in the qualitative analysis and sixteen in the meta-analysis. There were no significant differences in PPTs between tDCS and sham, but differences were observed when applying tDCS over S1 in PPTs compared to sham. Significant differences in CPTs were observed between tDCS and sham over DLPFC and differences in pain intensity were observed between tDCS and sham over M1. Non-significant effects were found for the effects of tDCS on HPTs. CONCLUSION tDCS anodic over S1 stimulation increases PPTs, while a-tDCS over DLPFC affects CPTs. The HPTs with tDCS are worse. Finally, M1 a-tDCS seems to reduce evoked pain intensity in healthy subjects.
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Affiliation(s)
- Francisco Gurdiel-Álvarez
- International Doctorate School, Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine, Universidad Rey Juan Carlos, 28933 Alcorcón, Spain; (F.G.-Á.); (Y.G.-Z.)
- Cognitive Neuroscience, Pain, and Rehabilitation Research Group (NECODOR), Faculty of Health Sciences, Rey Juan Carlos University, 28032 Madrid, Spain
| | - Yeray González-Zamorano
- International Doctorate School, Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine, Universidad Rey Juan Carlos, 28933 Alcorcón, Spain; (F.G.-Á.); (Y.G.-Z.)
- Cognitive Neuroscience, Pain, and Rehabilitation Research Group (NECODOR), Faculty of Health Sciences, Rey Juan Carlos University, 28032 Madrid, Spain
- Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine, Rey Juan Carlos University, 28032 Madrid, Spain;
- Brain Injury and Movement Disorders Neurorehabilitation Group (GINDAT), Institute of Life Sciences, Francisco de Vitoria University, 28223 Pozuelo de Alarcón, Spain
| | - Sergio Lerma-Lara
- Department of Physical Therapy, Centro Superior de Estudios Universitarios La Salle, Universidad Autónoma de Madrid, 28023 Madrid, Spain;
| | - Julio Gómez-Soriano
- Toledo Physiotherapy Research Group (GIFTO), Faculty of Physiotherapy and Nursing, Universidad Castilla La Mancha, 45071 Toledo, Spain;
| | - Juan Luis Sánchez-González
- Faculty of Nursing and Physiotherapy, Department of Nursing and Physiotherapy, Instituto de Investigación Biomédica de Salamanca (IBSAL), University of Salamanca, Campus Miguel de Unamuno s/n, 37007 Salamanca, Spain;
| | - Josué Fernández-Carnero
- Cognitive Neuroscience, Pain, and Rehabilitation Research Group (NECODOR), Faculty of Health Sciences, Rey Juan Carlos University, 28032 Madrid, Spain
- Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine, Rey Juan Carlos University, 28032 Madrid, Spain;
- La Paz Hospital Institute for Health Research, IdiPAZ, 28922 Madrid, Spain
- Musculoskeletal Pain and Motor Control Research Group, Faculty of Sport Sciences, Universidad Europea de Madrid, 28670 Madrid, Spain
| | - Víctor Navarro-López
- Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine, Rey Juan Carlos University, 28032 Madrid, Spain;
- Movement Analysis, Biomechanics, Ergonomics, and Motor Control Laboratory, Faculty of Health Sciences, Rey Juan Carlos University, 28922 Madrid, Spain
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Yang D, Jiang J, Li W, Zhang R, Sun L, Meng J. Neural mechanisms of priming effects of spicy food pictures induced analgesia. Biol Psychol 2023; 184:108688. [PMID: 37730170 DOI: 10.1016/j.biopsycho.2023.108688] [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: 03/26/2023] [Revised: 09/13/2023] [Accepted: 09/15/2023] [Indexed: 09/22/2023]
Abstract
In this study, the effects of the priming of spicy food pictures on pain perception were evaluated in female participants using standardized methods of pain. Results from behavior tests revealed that the priming of spicy food pictures significantly reduced pain perception, particularly at high-pain intensities. Electrophysiological analysis showed that the analgesic effects of spicy food pictures were linked to decreased pain-related event-related potentials, such as N2 and P2 amplitudes, and suppressed θ-oscillations in the sensorimotor cortex. Both N2 amplitudes and θ-oscillations activities were found to be correlated with participants' pain perception. These results suggest that spicy-arousal stimuli may act as an "antagonist" to the increase in N2 amplitudes and θ-oscillations power induced by pain and influence the neuronal networks involved in integrating spontaneous nociceptive resources, which supports the dissociation theory of pain sensation and affection. These findings highlight the potential use of spicy-arousal stimuli as an analgesic and emphasize the importance of considering both the intensity of the stimuli and the individual's emotional state in the assessment and treatment of pain.
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Affiliation(s)
- Di Yang
- Research Center for Brain and Cognitive Science, Chongqing Normal University, Chongqing, China; Key Laboratory of Applied Psychology, Chongqing Normal University, Chongqing, China; Department of Psychology, Soochow University, Suzhou, China
| | - Jin Jiang
- School of Automotive Engineering, Chongqing Wuyi Polytechinc, Chongqing, China
| | - Wanchen Li
- School of Psychology, Shenzhen University, Shenzhen, China
| | | | - Luzhuang Sun
- School of Economics and Management, Chongqing University of Posts and Telecommunications, Chongqing, China
| | - Jing Meng
- Research Center for Brain and Cognitive Science, Chongqing Normal University, Chongqing, China; Key Laboratory of Applied Psychology, Chongqing Normal University, Chongqing, China.
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Zhang JH, Liang J, Yang ZW. Non-invasive brain stimulation for fibromyalgia: current trends and future perspectives. Front Neurosci 2023; 17:1288765. [PMID: 37928733 PMCID: PMC10620708 DOI: 10.3389/fnins.2023.1288765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 10/05/2023] [Indexed: 11/07/2023] Open
Abstract
Fibromyalgia, a common and enduring pain disorder, ranks as the second most prevalent rheumatic disease after osteoarthritis. Recent years have witnessed successful treatment using non-invasive brain stimulation. Transcranial magnetic stimulation, transcranial direct current stimulation, and electroconvulsion therapy have shown promise in treating chronic pain. This article reviews the literature concerning non-invasive stimulation for fibromyalgia treatment, its mechanisms, and establishes a scientific basis for rehabilitation, and discusses the future directions for research and development prospects of these techniques are discussed.
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Affiliation(s)
- Jia-Hao Zhang
- Laboratory of Laser Sports Medicine, School of Physical Education and Sports Science, South China Normal University, Guangzhou, China
| | - Jian Liang
- Laboratory of Sports Rehabilitation, School of Physical Education and Sports Science, South China Normal University, Guangzhou, China
| | - Zhong-Wei Yang
- Laboratory of Sports Rehabilitation, School of Physical Education and Sports Science, South China Normal University, Guangzhou, China
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Brancucci A, Rivolta D, Nitsche MA, Manippa V. The effects of transcranial random noise stimulation on motor function: A comprehensive review of the literature. Physiol Behav 2023; 261:114073. [PMID: 36608913 DOI: 10.1016/j.physbeh.2023.114073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/23/2022] [Accepted: 01/01/2023] [Indexed: 01/05/2023]
Abstract
The present review considers all papers published on the topic up to the end of the year 2022. Transcranial random noise stimulation (tRNS) is a non-invasive neuromodulation technique introduced about 15 years ago whose use is becoming increasingly widespread in neuroscience. It consists of the application over the scalp of a weak, white noise-like current, through electrodes having a surface of several square centimetres, for a duration ranging from seconds to minutes. Despite its relatively low spatial and temporal resolution, tRNS has well defined effects on central motor excitability, which critically depend on stimulation parameters. These effects seem to be chiefly based on an effect on neuronal membrane sodium channels and can last much longer than the stimulation itself. While the effects at the cellular level in the motor cortex are becoming progressively clear, much more studies are needed to understand the effects of tRNS on motor behaviour and performance, where initial research results are nevertheless promising, in both basic and applied research.
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Affiliation(s)
- Alfredo Brancucci
- Dipartimento di Scienze Motorie, Umane e della Salute, Università di Roma "Foro Italico", Italy.
| | - Davide Rivolta
- Dipartimento di Scienze della Formazione, Psicologia, Comunicazione, Università degli studi di Bari "Aldo Moro", Italy
| | - Michael A Nitsche
- Department of Psychology and Neurosciences, Leibniz Research Centre for Working Environment and Human Factors, Dortmund, Germany; Bielefeld University, University Hospital OWL, Protestant Hospital of Bethel Foundation, University Clinic of Psychiatry and Psychotherapy and University Clinic of Child and Adolescent Psychiatry and Psychotherapy, Germany
| | - Valerio Manippa
- Dipartimento di Scienze della Formazione, Psicologia, Comunicazione, Università degli studi di Bari "Aldo Moro", Italy; Department of Psychology and Neurosciences, Leibniz Research Centre for Working Environment and Human Factors, Dortmund, Germany
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Transcranial random noise stimulation over the left dorsolateral prefrontal cortex attenuates pain expectation and perception. Clin Neurophysiol 2023; 147:1-10. [PMID: 36608385 DOI: 10.1016/j.clinph.2022.12.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 12/04/2022] [Accepted: 12/14/2022] [Indexed: 12/29/2022]
Abstract
OBJECTIVE The dorsolateral prefrontal cortex (DLPFC) has been increasingly used as a neuromodulatory target in pain management. Transcranial random noise stimulation (tRNS) was shown to effectively elevate cortical excitability. Hence, this study aimed to characterize how tRNS over the left DLPFC affects pain expectation and perception, as well as the efficacy of conditioned-pain modulation (CPM) that reflects the function of the endogenous pain-inhibitory pathway. METHODS Using a randomized, double-blinded, and sham-controlled design, healthy participants were randomly recruited to receive tRNS with a direct current offset or sham stimulation. Their expectations and perceptions of painful electrocutaneous stimuli, as well as CPM efficacy were assessed before, immediately after, and 30 min after tRNS. RESULTS Compared with sham stimulation, perceived-pain ratings to the painful stimuli, and expected-pain ratings before painful stimuli, attenuated immediately after tRNS, whereas this analgesic effect was ineffective 30 min after tRNS. Importantly, the immediate analgesia induced by tRNS could be accounted for by tRNS effect on attenuating expected-pain ratings before certain painful stimuli. However, CPM efficacy was not significantly affected by tRNS. CONCLUSIONS These results demonstrate analgesia immediately after applying tRNS over the left DLPFC. SIGNIFICANCE This study provides evidence for analgesia of DLPFC-tRNS on an experimental pain model.
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