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Denche-Zamorano A, Mayordomo-Pinilla N, Barrios-Fernandez S, Luis-del Campo V, Gómez-Paniagua S, Rojo-Ramos J, Castillo-Paredes A, Muñoz-Bermejo L. A scientometrics analysis of physical activity and transcranial stimulation research. Medicine (Baltimore) 2023; 102:e35834. [PMID: 38013373 PMCID: PMC10681591 DOI: 10.1097/md.0000000000035834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 10/06/2023] [Indexed: 11/29/2023] Open
Abstract
BACKGROUND The search for alternatives to improve physical performance is rising, and in recent years has been focused on the brain. No bibliometric study analyzing research on physical activity (PA) and transcranial stimulation has been found in the scientific literature. Aims: To provide an overview of the existing scientific research on PA and transcranial brain stimulation in healthy and sports participants, using a bibliometric analysis and graphic mapping of the references in the field. To do this, we analyze annual publication trends in this area, identifying the most productive and cited authors, journals and countries with the highest number of publications, and the most cited documents and keywords. METHODS Those publications related to this area, published in journals indexed in the web of science main collection were retrieved and analyzed using the traditional laws of bibliometrics. RESULTS A total of 305 documents were found. Annual publications followed an exponential growth trend (R2 = 94.2%); with A. J. Pearce (9 documents) is the most productive coauthor and M.C. Ridding, H. Theoret and M. Lassonde as the most prominent (with 5 most cited papers). The USA (67 papers) and the journal Frontiers in Human Neuroscience (12 papers) were the most productive country and journal respectively. The paper "Action anticipation and motor resonance in elite basketball players" was the most cited paper and "transcranial magnetic stimulation" was the most used keyword. CONCLUSION There are extensive research networks throughout the world, with the USA leading the production. Publications on the issue are of high interest in the scientific community as an exponential increase in publications over the last few years was found. The contribution of these findings is to offer a complete picture of the relationship between PA and transcranial brain stimulation in healthy individuals and athletes. Therefore, this comprehensive analysis provides fruitful information for sports researchers and policymakers to make future correct decisions about how to better design and implement training interventions in these groups of individuals.
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Affiliation(s)
- Angel Denche-Zamorano
- Promoting a Healthy Society Research Group (PHeSO), Faculty of Sport Sciences, University of Extremadura, Caceres, Spain
| | - Noelia Mayordomo-Pinilla
- Promoting a Healthy Society Research Group (PHeSO), Faculty of Sport Sciences, University of Extremadura, Caceres, Spain
| | - Sabina Barrios-Fernandez
- Occupation, Participation, Sustainability and Quality of Life (Ability Research Group), Nursing and Occupational Therapy College, University of Extremadura, Cáceres, Spain
| | - Vicente Luis-del Campo
- Laboratorio de Aprendizaje y Control Motor, Facultad de Ciencias del Deporte, Universidad de Extremadura, Cáceres, Spain
| | | | - Jorge Rojo-Ramos
- Physical Activity for Education, Performance and Health, Faculty of Sport Sciences, University of Extremadura, Caceres, Spain
| | - Antonio Castillo-Paredes
- Grupo AFySE, Investigación en Actividad Física y Salud Escolar, Escuela de Pedagogía en Educación Física, Facultad de Educación, Universidad de Las Américas, Santiago, Chile
| | - Laura Muñoz-Bermejo
- Social Impact and Innovation in Health (InHEALTH), University Centre of Mérida, University of Extremadura, Mérida, Spain
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Trofimov AO, Agarkova DI, Sergeev D, Dubrovin A, Trofimova KA, Novosadova O, Martynov D, Lidji-Goryaev K, Bragin DE. NIRS-Based Study of Local Cerebral Oxygenation During Transcranial Direct Current Stimulation in Patients with Mild Traumatic Brain Injury. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1395:59-63. [PMID: 36527614 PMCID: PMC10042479 DOI: 10.1007/978-3-031-14190-4_10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The purpose of our study was to assess the dynamics of local cerebral oxygenation (LCO) by near-infrared spectroscopy (NIRS) during transcranial direct current stimulation (tDCS) in the acute stage of mild traumatic brain injury (mTBI). Fifty-seven mTBI patients (18 women and 39 men, 35 ± 11.7 years old, GCS 13.7 ± 0.7) were treated by tDCS at 3-5 days after head injury. Stimulation parameters were: 1 mA, 9 V, duration-20 min. A cerebral oximeter was used to assess LCO-values in the frontotemporal lobes. Anodal and cathodal LCO values were compared before tDCS and every 2 min until the tDCS end. Significance was preset to p < 0.05. Results: A significant decrease in LCO values on the anodal side was observed at the 8th to 12th minutes of stimulation, compared to the cathodal side (at 8th minute - p = 0.011; at 12th minute - p < 0.00000001) and compared to LCO values before tDCS (p < 0.00001). The LCO on the cathodal side was not significantly different during the whole tDCS. At the end of the procedure, the interhemispheric LCO differences were not statistically significant (p = 0.757). Conclusions: Transcranial DCS in 3-5 days of mTBI leads to a significant decrease in the LCO value on the anodal side between 8 and 12 min and subsequent recovery to baseline values by the end of the procedure.
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Affiliation(s)
- Alex O Trofimov
- Department of Neurological Diseases, Privolzhsky Research Medical University, Nizhny Novgorod, Russia.
- Department of Polytrauma, Regional Hospital named after Semashko, Nizhny Novgorod, Russia.
| | - Darya I Agarkova
- Department of Polytrauma, Regional Hospital named after Semashko, Nizhny Novgorod, Russia
| | - Dmitry Sergeev
- Department of Polytrauma, Regional Hospital named after Semashko, Nizhny Novgorod, Russia
| | - Anton Dubrovin
- Department of Polytrauma, Regional Hospital named after Semashko, Nizhny Novgorod, Russia
| | - Kseniia A Trofimova
- Department of Neurological Diseases, Privolzhsky Research Medical University, Nizhny Novgorod, Russia
| | - Oxana Novosadova
- Department of Neurological Diseases, Privolzhsky Research Medical University, Nizhny Novgorod, Russia
| | - Dmitry Martynov
- State Technical University named after R.E. Alekseev, Nizhny Novgorod, Russia
| | - Kyril Lidji-Goryaev
- Department of Neurological Diseases, Privolzhsky Research Medical University, Nizhny Novgorod, Russia
| | - Denis E Bragin
- Lovelace Biomedical Research Institute, Albuquerque, NM, USA
- Department of Neurology, University of New Mexico School of Medicine, Albuquerque, USA
- National Research Saratov State University, Saratov, Russia
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De Freitas DJ, De Carvalho D, Paglioni VM, Brunoni AR, Valiengo L, Thome-Souza MS, Guirado VMP, Zaninotto AL, Paiva WS. Effects of transcranial direct current stimulation (tDCS) and concurrent cognitive training on episodic memory in patients with traumatic brain injury: a double-blind, randomised, placebo-controlled study. BMJ Open 2021; 11:e045285. [PMID: 34446480 PMCID: PMC8395342 DOI: 10.1136/bmjopen-2020-045285] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Accepted: 06/17/2021] [Indexed: 11/23/2022] Open
Abstract
INTRODUCTION Deficits in episodic memory following traumatic brain injury (TBI) are common and affect independence in activities of daily living. Transcranial direct current stimulation (tDCS) and concurrent cognitive training may contribute to improve episodic memory in patients with TBI. Although previous studies have shown the potential of tDCS to improve cognition, the benefits of the tDCS applied simultaneously to cognitive training in participants with neurological disorders are inconsistent. This study aims to (1) investigate whether active tDCS combined with computer-assisted cognitive training enhances episodic memory compared with sham tDCS; (2) compare the differences between active tDCS applied over the left dorsolateral prefrontal cortex (lDLPFC) and bilateral temporal cortex (BTC) on episodic memory and; (3) investigate inter and intragroup changes on cortical activity measured by quantitative electroencephalogram (qEEG). METHODS AND ANALYSIS A randomised, parallel-group, double-blind placebo-controlled study is conducted. Thirty-six participants with chronic, moderate and severe closed TBI are being recruited and randomised into three groups (1:1:1) based on the placement of tDCS sponges and electrode activation (active or sham). TDCS is applied for 10 consecutive days for 20 min, combined with a computer-based cognitive training. Cognitive scores and qEEG are collected at baseline, on the last day of the stimulation session, and 3 months after the last tDCS session. We hypothesise that (1) the active tDCS group will improve episodic memory scores compared with the sham group; (2) differences on episodic memory scores will be shown between active BTC and lDLPFC and; (3) there will be significant delta reduction and an increase in alpha waves close to the location of the active electrodes compared with the sham group. ETHICS AND DISSEMINATION This study was approved by Hospital das Clínicas, University of São Paulo Ethical Institutional Review Border (CAAE: 87954518.0.0000.0068). TRIAL REGISTRATION NUMBER NCT04540783.
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Affiliation(s)
- Daglie Jorge De Freitas
- Division of Neurology/Neurosurgery, Hospital das Clinicas, Faculdade de Medicina da Universidade de Sao Paulo, HCFMUSP, Sao Paulo, Brazil
| | - Daniel De Carvalho
- Division of Neurology/Neurosurgery, Hospital das Clinicas, Faculdade de Medicina da Universidade de Sao Paulo, HCFMUSP, Sao Paulo, Brazil
| | - Vanessa Maria Paglioni
- Division of Neurology/Neurosurgery, Hospital das Clinicas, Faculdade de Medicina da Universidade de Sao Paulo, HCFMUSP, Sao Paulo, Brazil
| | - Andre R Brunoni
- Institute of Psychiatry, Hospital das Clinicas da Universidade de Sao Paulo, IPq HCFMUSP, University of São Paulo, São Paulo, Brazil
- Interdisciplinary Center for Applied Neuromodulation and Service of Interdisciplinary Neuromodulation, University of Sao Paulo, Sao Paulo, Brazil
| | - Leandro Valiengo
- Institute of Psychiatry, Hospital das Clinicas da Universidade de Sao Paulo, IPq HCFMUSP, University of São Paulo, São Paulo, Brazil
- Interdisciplinary Center for Applied Neuromodulation and Service of Interdisciplinary Neuromodulation, University of Sao Paulo, Sao Paulo, Brazil
| | - Maria Sigride Thome-Souza
- Institute of Psychiatry, Hospital das Clinicas da Universidade de Sao Paulo, IPq HCFMUSP, University of São Paulo, São Paulo, Brazil
| | - Vinícius M P Guirado
- Division of Neurology/Neurosurgery, Hospital das Clinicas, Faculdade de Medicina da Universidade de Sao Paulo, HCFMUSP, Sao Paulo, Brazil
| | - Ana Luiza Zaninotto
- Division of Neurology/Neurosurgery, Hospital das Clinicas, Faculdade de Medicina da Universidade de Sao Paulo, HCFMUSP, Sao Paulo, Brazil
- Speech and Feeding Disorders Lab, MGH Institute of Health Professions, Boston, Massachusetts, USA
| | - Wellingson S Paiva
- Division of Neurology/Neurosurgery, Hospital das Clinicas, Faculdade de Medicina da Universidade de Sao Paulo, HCFMUSP, Sao Paulo, Brazil
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Eilam-Stock T, George A, Charvet LE. Cognitive Telerehabilitation with Transcranial Direct Current Stimulation Improves Cognitive and Emotional Functioning Following a Traumatic Brain Injury: A Case Study. Arch Clin Neuropsychol 2021; 36:442-453. [PMID: 33885138 DOI: 10.1093/arclin/acaa059] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 07/08/2020] [Accepted: 07/12/2020] [Indexed: 12/29/2022] Open
Abstract
OBJECTIVE Cognitive deficits following a traumatic brain injury (TBI) are a leading cause of disability in young adults and there is a critical need for novel approaches to improve cognitive outcomes in TBI survivors. Transcranial direct current stimulation (tDCS) paired with cognitive remediation has emerged as a viable, cost-effective, noninvasive approach for treating cognitive impairments in a wide variety of neurological conditions. Here, we report the first case study utilizing remotely supervised tDCS (RS-tDCS) protocol paired with cognitive remediation in a 29-year-old man with persisting cognitive and emotional sequelae following TBI. METHOD Neuropsychological measures were administered before and after the patient completed 20 daily sessions of RS-tDCS (2.0 mA × 20 minutes, left anodal dorsolateral prefrontal cortex montage). During the daily stimulation period, he completed adaptive cognitive training. All treatment procedures were delivered at home and monitored in real time via videoconference with a study technician. RESULTS Following 20 RS-tDCS and cognitive training sessions, he had significant improvements (>1 SD) on tests of attention and working memory, semantic fluency, and information processing speed. Mood was also improved. CONCLUSIONS This is the first demonstration of at-home telerehabilitation with RS-tDCS and cognitive training to improve cognitive outcomes following TBI.
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Affiliation(s)
- Tehila Eilam-Stock
- Department of Neurology, NYU Grossman School of Medicine, New York 10017, USA
| | - Allan George
- Department of Neurology, NYU Grossman School of Medicine, New York 10017, USA
| | - Leigh E Charvet
- Department of Neurology, NYU Grossman School of Medicine, New York 10017, USA
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Pugh J, Pugh C. Neurostimulation, doping, and the spirit of sport. NEUROETHICS-NETH 2020; 14:141-158. [PMID: 34824648 PMCID: PMC8590673 DOI: 10.1007/s12152-020-09435-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 04/27/2020] [Indexed: 12/19/2022]
Abstract
There is increasing interest in using neuro-stimulation devices to achieve an ergogenic effect in elite athletes. Although the World Anti-Doping Authority (WADA) does not currently prohibit neuro-stimulation techniques, a number of researchers have called on WADA to consider its position on this issue. Focusing on trans-cranial direct current stimulation (tDCS) as a case study of an imminent so-called ‘neuro-doping’ intervention, we argue that the emerging evidence suggests that tDCS may meet WADA’s own criteria (pertaining to safety, performance-enhancing effect, and incompatibility with the ‘spirit of sport’) for a method’s inclusion on its list of prohibited substances and methods. We begin by surveying WADA’s general approach to doping, and highlight important limitations to the current evidence base regarding the performance-enhancing effect of pharmacological doping substances. We then review the current evidence base for the safety and efficacy of tDCS, and argue that despite significant shortcomings, there may be sufficient evidence for WADA to consider prohibiting tDCS, in light of the comparable flaws in the evidence base for pharmacological doping substances. In the second half of the paper, we argue that the question of whether WADA ought to ban tDCS turns significantly on the question of whether it is compatible with the ‘spirit of sport’ criterion. We critique some of the previously published positions on this, and advocate our own sport-specific and application-specific approach. Despite these arguments, we finally conclude by suggesting that tDCS ought to be monitored rather than prohibited due to compelling non-ideal considerations.
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Affiliation(s)
- Jonathan Pugh
- The Oxford Uehiro Centre for Practical Ethics, University of Oxford, Suite 8, Littlegate House, St Ebbes Street, Oxford, OX1 1PT UK
| | - Christopher Pugh
- Cardiff School of Sport and Health Sciences, Cardiff Metropolitan University, Cardiff, UK
- Cardiff Centre for Exercise and Health, Cardiff Metropolitan University, Cardiff, UK
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Mucci V, Meier C, Bizzini M, Romano F, Agostino D, Ventura A, Bertolini G, Feddermann-Demont N. Combined Optokinetic Treatment and Vestibular Rehabilitation to Reduce Visually Induced Dizziness in a Professional Ice Hockey Player After Concussion: A Clinical Case. Front Neurol 2019; 10:1200. [PMID: 31849804 PMCID: PMC6896248 DOI: 10.3389/fneur.2019.01200] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 10/28/2019] [Indexed: 11/13/2022] Open
Abstract
Background: The appropriate detection and therapy of concussion symptoms are of great importance to avoid long-term impairment and absence from pre-concussive activities, such as sport, school or work. Post-traumatic headache and dizziness are known as risk factors of persistent symptoms after a concussion. Dizziness has even been classified as a predictor for symptom persistence. One type of dizziness, which has never been considered is visually induced dizziness (VID) often develops as a consequence of vestibular impairment. This manuscript presents the clinical case of a 25-year-old male, professional ice hockey player, whereby a therapeutic approach to VID after concussion is demonstrated. Case: A detailed interdisciplinary clinical and laboratory-assisted neurological, neurovestibular and ocular-motor examination was performed 20 days post-concussion, which indicated VID symptoms. Thus, the player qualified for a 5-day combined vestibular, balance and optokinetic therapy, which aimed to reduce the player's increased sensitivity to visual information. Each treatment day consisted of two sessions: vestibular/ocular-motor training and exposure to optokinetic stimuli combined with postural control exercises. The optokinetic stimulus was delivered in the form of a rotating disk. VID symptoms were recorded daily via posturography and a visual analog scale prior to the optokinetic sessions. The player improved over the course of each treatment day and was able to return to ice hockey 15 days after the final treatment session. Three months later the player reported no symptoms in the follow up questionnaire. Conclusion: The combination of vestibular, balance and optokinetic therapy led to remission of VID symptoms in a professional ice hockey player after multiple concussions, within a short time frame after his last concussion. Thus, this case study highlights the significant benefit of treating post-concussive VID symptoms utilizing a multi-modal approach.
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Affiliation(s)
- Viviana Mucci
- Swiss Concussion Center, Schulthess Clinic, Zurich, Switzerland.,Department of Neurology, University Hospital and University of Zurich, Zurich, Switzerland
| | - Cornelia Meier
- Swiss Concussion Center, Schulthess Clinic, Zurich, Switzerland
| | - Mario Bizzini
- Swiss Concussion Center, Schulthess Clinic, Zurich, Switzerland.,Human Performance Lab, Schulthess Clinic, Zurich, Switzerland
| | - Fausto Romano
- Swiss Concussion Center, Schulthess Clinic, Zurich, Switzerland.,Department of Neurology, University Hospital and University of Zurich, Zurich, Switzerland
| | - Daniel Agostino
- Swiss Concussion Center, Schulthess Clinic, Zurich, Switzerland
| | | | - Giovanni Bertolini
- Swiss Concussion Center, Schulthess Clinic, Zurich, Switzerland.,Department of Neurology, University Hospital and University of Zurich, Zurich, Switzerland
| | - Nina Feddermann-Demont
- Swiss Concussion Center, Schulthess Clinic, Zurich, Switzerland.,Department of Neurology, University Hospital and University of Zurich, Zurich, Switzerland
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Affiliation(s)
- Vincent M Vacca
- Vincent M. Vacca, Jr., is adjunct faculty at Massachusetts College of Pharmacy and Health Sciences University in Boston, Mass
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