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de Souza ITC, Dos Santos EGG, da Costa RVA, Ferreira WDN, Santana KDJ, Felix JVDS, Brandão CBF, Candeia AA, Nascimento LMDS, da Silva ACT, Ferreira CAS, Queiroz MHBS, Silva JS, Lima JHDM, Pedrosa R, Onofre T, de França EET. Effects of high-definition transcranial direct current stimulation combined with inspiratory muscle training for treating respiratory sequelae of long COVID: A case series. PHYSIOTHERAPY RESEARCH INTERNATIONAL 2024; 29:e2109. [PMID: 38961771 DOI: 10.1002/pri.2109] [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: 08/16/2023] [Revised: 04/18/2024] [Accepted: 06/24/2024] [Indexed: 07/05/2024]
Abstract
INTRODUCTION Long COVID occurs when numerous symptoms begin 3 weeks after acute infection and last for 12 months or more. High-definition transcranial direct current stimulation (HD-tDCS) has been tested in patients with COVID-19; however, previous studies did not investigate the HD-tDCS use combined with inspiratory muscle training (IMT) for respiratory sequelae of long COVID. CASE PRESENTATION Six individuals (four women and two men) aged between 29 and 71 years and presenting with respiratory sequelae of long COVID were included. They were submitted to an intervention that comprised HD-tDCS combined with IMT twice a week for 5 weeks. Lung function and respiratory muscle assessments were performed at baseline and after 5 weeks of intervention. IMPLICATIONS ON PHYSIOTHERAPY PRACTICE HD-tDCS may enhance the IMT effects by increasing respiratory muscle strength, efficiency, and lung function of individuals with long COVID.
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Affiliation(s)
- Iara Tainá C de Souza
- Postgraduate Program in Physiotherapy, Federal University of Paraíba, João Pessoa, Brazil
| | | | | | | | - Kelly de J Santana
- Postgraduate Program in Physiotherapy, Federal University of Paraíba, João Pessoa, Brazil
| | | | - Celso B F Brandão
- Physiotherapy Departament, Federal University of Paraíba, João Pessoa, Brazil
| | - Aline A Candeia
- Physiotherapy Departament, Federal University of Paraíba, João Pessoa, Brazil
| | | | | | | | | | - Jackeline S Silva
- Nutrition Departament, Federal University of Paraíba, João Pessoa, Brazil
| | - José Heriston de M Lima
- Postgraduate Program in Physiotherapy, Federal University of Paraíba, João Pessoa, Brazil
- Physiotherapy Departament, Federal University of Paraíba, João Pessoa, Brazil
| | - Rafaela Pedrosa
- Postgraduate Program in Physiotherapy, Federal University of Paraíba, João Pessoa, Brazil
- Physiotherapy Departament, Federal University of Paraíba, João Pessoa, Brazil
| | - Tatiana Onofre
- Postgraduate Program in Physiotherapy, Federal University of Paraíba, João Pessoa, Brazil
- Physiotherapy Departament, Federal University of Paraíba, João Pessoa, Brazil
| | - Eduardo E T de França
- Postgraduate Program in Physiotherapy, Federal University of Paraíba, João Pessoa, Brazil
- Physiotherapy Departament, Federal University of Paraíba, João Pessoa, Brazil
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Spaccavento S, Carraturo G, Brattico E, Matarrelli B, Rivolta D, Montenegro F, Picciola E, Haumann NT, Jespersen KV, Vuust P, Losavio E. Musical and electrical stimulation as intervention in disorder of consciousness (DOC) patients: A randomised cross-over trial. PLoS One 2024; 19:e0304642. [PMID: 38820520 PMCID: PMC11142721 DOI: 10.1371/journal.pone.0304642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 05/14/2024] [Indexed: 06/02/2024] Open
Abstract
BACKGROUND Disorders of consciousness (DOC), i.e., unresponsive wakefulness syndrome (UWS) or vegetative state (VS) and minimally conscious state (MCS), are conditions that can arise from severe brain injury, inducing widespread functional changes. Given the damaging implications resulting from these conditions, there is an increasing need for rehabilitation treatments aimed at enhancing the level of consciousness, the quality of life, and creating new recovery perspectives for the patients. Music may represent an additional rehabilitative tool in contexts where cognition and language are severely compromised, such as among DOC patients. A further type of rehabilitation strategies for DOC patients consists of Non-Invasive Brain Stimulation techniques (NIBS), including transcranial electrical stimulation (tES), affecting neural excitability and promoting brain plasticity. OBJECTIVE We here propose a novel rehabilitation protocol for DOC patients that combines music-based intervention and NIBS in neurological patients. The main objectives are (i) to assess the residual neuroplastic processes in DOC patients exposed to music, (ii) to determine the putative neural modulation and the clinical outcome in DOC patients of non-pharmacological strategies, i.e., tES(control condition), and music stimulation, and (iii) to evaluate the putative positive impact of this intervention on caregiver's burden and psychological distress. METHODS This is a randomised cross-over trial in which a total of 30 participants will be randomly allocated to one of three different combinations of conditions: (i) Music only, (ii) tES only (control condition), (iii) Music + tES. The music intervention will consist of listening to an individually tailored playlist including familiar and self-relevant music together with fixed songs; concerning NIBS, tES will be applied for 20 minutes every day, 5 times a week, for two weeks. After these stimulations two weeks of placebo treatments will follow, with sham stimulation combined with noise for other two weeks. The primary outcomes will be clinical, i.e., based on the differences in the scores obtained on the neuropsychological tests, such as Coma Recovery Scale-Revised, and neurophysiological measures as EEG, collected pre-intervention, post-intervention and post-placebo. DISCUSSION This study proposes a novel rehabilitation protocol for patients with DOC including a combined intervention of music and NIBS. Considering the need for rigorous longitudinal randomised controlled trials for people with severe brain injury disease, the results of this study will be highly informative for highlighting and implementing the putative beneficial role of music and NIBS in rehabilitation treatments. TRIAL REGISTRATION ClinicalTrials.gov identifier: NCT05706831, registered on January 30, 2023.
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Affiliation(s)
- Simona Spaccavento
- Istituti Clinici Scientifici Maugeri IRCCS, Institute of Bari, Bari, Italy
| | - Giulio Carraturo
- Department of Education, Psychology, Communication, University of Bari Aldo Moro, Bari, Italy
| | - Elvira Brattico
- Department of Education, Psychology, Communication, University of Bari Aldo Moro, Bari, Italy
- Center for Music in the Brain, Department of Clinical Medicine, Aarhus University & Royal Academy of Aarhus/Aalborg, Aarhus, Denmark
| | - Benedetta Matarrelli
- Department of Education, Psychology, Communication, University of Bari Aldo Moro, Bari, Italy
| | - Davide Rivolta
- Department of Education, Psychology, Communication, University of Bari Aldo Moro, Bari, Italy
| | - Fabiana Montenegro
- Istituti Clinici Scientifici Maugeri IRCCS, Institute of Bari, Bari, Italy
| | - Emilia Picciola
- Istituti Clinici Scientifici Maugeri IRCCS, Institute of Bari, Bari, Italy
| | - Niels Trusbak Haumann
- Center for Music in the Brain, Department of Clinical Medicine, Aarhus University & Royal Academy of Aarhus/Aalborg, Aarhus, Denmark
| | - Kira Vibe Jespersen
- Center for Music in the Brain, Department of Clinical Medicine, Aarhus University & Royal Academy of Aarhus/Aalborg, Aarhus, Denmark
| | - Peter Vuust
- Center for Music in the Brain, Department of Clinical Medicine, Aarhus University & Royal Academy of Aarhus/Aalborg, Aarhus, Denmark
| | - Ernesto Losavio
- Istituti Clinici Scientifici Maugeri IRCCS, Institute of Bari, Bari, Italy
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Dragon K, Abdelnaim MA, Weber FC, Heuschert M, Englert L, Langguth B, Hebel T, Schecklmann M. Treating depression at home with transcranial direct current stimulation: a feasibility study. Front Psychiatry 2024; 15:1335243. [PMID: 38501089 PMCID: PMC10944921 DOI: 10.3389/fpsyt.2024.1335243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 02/13/2024] [Indexed: 03/20/2024] Open
Abstract
Introduction Treating major depressive disorder (MDD) with transcranial direct current stimulation (tDCS) devices at home has various logistic advantages compared to tDCS treatment in the clinic. However, preliminary (controlled) studies showed side effects such as skin lesions and difficulties in the implementation of home-based tDCS. Thus, more data are needed regarding the feasibility and possible disadvantages of home-based tDCS. Methods Ten outpatients (23-69 years) with an acute depressive episode were included for this one-arm feasibility study testing home-based tDCS. All patients self-administered prefrontal tDCS (2 mA, 20 min, anodal left, cathodal right) at home on 30 consecutive working days supported by video consultations. Correct implementation of the home-based treatment was analyzed with tDCS recordings. Feasibility was examined by treatment compliance. For additional analyses of effectiveness, three depression scores were used: Hamilton depression rating scale (HDRS-21), Major Depression Inventory (MDI), and the subscale depression of the Depression-Anxiety-Stress Scale (DASS). Furthermore, usability was measured with the user experience questionnaire (UEQ). Tolerability was analyzed by the number of reported adverse events (AEs). Results Eight patients did not stick to the protocol. AEs were minimal. Four patients responded to the home treatment according to the MDI. Usability was judged positive by the patients. Conclusions Regular video consultations or other safety concepts are recommended regardless of the number of video sessions actually conducted. Home-based tDCS seems to be safe and handy in our feasibility study, warranting further investigation.
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Affiliation(s)
- Katharina Dragon
- Department of Psychiatry and Psychotherapy, University of Regensburg, Regensburg, Germany
| | - Mohamed A. Abdelnaim
- Department of Psychiatry and Psychotherapy, University of Regensburg, Regensburg, Germany
| | - Franziska C. Weber
- Department of Psychiatry and Psychotherapy, University of Regensburg, Regensburg, Germany
| | - Markus Heuschert
- University Medical Center, University of Regensburg, Regensburg, Germany
| | - Leon Englert
- University Medical Center, University of Regensburg, Regensburg, Germany
| | - Berthold Langguth
- Department of Psychiatry and Psychotherapy, University of Regensburg, Regensburg, Germany
| | - Tobias Hebel
- Department of Psychiatry and Psychotherapy, University of Regensburg, Regensburg, Germany
| | - Martin Schecklmann
- Department of Psychiatry and Psychotherapy, University of Regensburg, Regensburg, Germany
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Zhang L, Guo Y, Liu J, Li L, Wang Y, Wu X, Bai Y, Li J, Zhang Q, Hui Y. Transcranial direct current stimulation of the prefrontal cortex improves depression-like behaviors in rats with Parkinson's disease. Brain Res 2024; 1822:148649. [PMID: 37923003 DOI: 10.1016/j.brainres.2023.148649] [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: 07/27/2023] [Revised: 09/28/2023] [Accepted: 10/24/2023] [Indexed: 11/07/2023]
Abstract
Depression associated with Parkinson's disease (PD) seriously affects patients, and there is a lack of effective treatments. Transcranial direct current stimulation (tDCS) is increasingly used as a new non-invasive neuromodulation technique in the treatment of neuropsychiatric diseases. However, there is a paucity of research on tDCS for PD-related depression. Our study used PD model rats established with unilateral destruction of the medial forebrain bundle (MFB) to observe the modulatory effects of tDCS acting on the mPFC on depression-like behaviors. We found that tDCS acting on the mPFC improved depression-like behaviors in PD model rats by increasing sucrose intake in sucrose preference test (n = 7-10 rats/group) and shortening immobility time in forced swimming test (n = 7-8 rats/group). Meanwhile, tDCS decreased the expression of c-Fos protein (n = 8-11 rats/group) and the excitation of glutamatergic neurons (n = 6-8 rats/group) in the PrL and LHb of PD model rats. Western blots showed that tDCS decreased the overexpression of serine 845 phosphorylation site of AMPA receptor GluR1 (p-GluR1-S845) in the PrL and LHb of PD model rats (n = 8-11 rats/group), and the overexpression of p-GluR1-S831 in the LHb (n = 8-11 rats/group). The results of this study show that tDCS acting on the mPFC helps to improve PD-related depression, which involves the modulation of excitability and AMPA receptor phosphorylation on the PrL and LHb neurons.
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Affiliation(s)
- Lei Zhang
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China
| | - Yuan Guo
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - Jian Liu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - Libo Li
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China
| | - Yixuan Wang
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China
| | - Xiang Wu
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China
| | - Yihua Bai
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China
| | - Jing Li
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China
| | - Qiaojun Zhang
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China.
| | - Yanping Hui
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710004, China.
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Joshi R, Murali S, Thirugnanasambandam N. Behavioral Validation of Individualized Low-Intensity Transcranial Electrical Stimulation (tES) Protocols. eNeuro 2023; 10:ENEURO.0374-22.2023. [PMID: 38135512 PMCID: PMC10748339 DOI: 10.1523/eneuro.0374-22.2023] [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: 09/11/2022] [Revised: 08/15/2023] [Accepted: 08/28/2023] [Indexed: 12/24/2023] Open
Abstract
Large interindividual variability in the effects of low-intensity transcranial electrical stimulation (tES) considerably limits its potential for clinical applications. It has been recently proposed that individualizing stimulation dose by accounting for interindividual anatomic differences would reduce the variability in electric fields (E-fields) over the targeted cortical site and therefore produce more consistent behavioral outcomes. However, improvement in behavioral outcomes following individualized dose tES has never been compared with that of conventional fixed dose tES. In this study, we aimed to empirically evaluate the effect of individualized dose tES on behavior and further compare it with the effects of sham and fixed dose stimulations. We conducted a single-blinded, sham-controlled, repeated-measures study to examine the impact of transcranial direct current stimulation on motor learning and that of transcranial alternating current stimulation on the working memory of 42 healthy adult individuals. Each participant underwent three sessions of tES, receiving fixed dose, individualized dose, or sham stimulation over the targeted brain region for the entire behavioral task. Our results showed that the individualized dose reduced the variability in E-fields at the targeted cortical surfaces. However, there was no significant effect of tES on behavioral outcomes. We argue that although the stimulation dose and E-field intensity at the targeted cortical site are linearly correlated, the effect of E-fields on behavior seems to be more complex. Effective optimization of tES protocols warrants further research considering both neuroanatomical and functional aspects of behavior.
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Affiliation(s)
- Rajat Joshi
- National Brain Research Centre (NBRC), Manesar 122 052, India
- Human Motor Neurophysiology and Neuromodulation Lab, Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai Mumbai 400076, India
| | - Sainath Murali
- National Brain Research Centre (NBRC), Manesar 122 052, India
- Human Motor Neurophysiology and Neuromodulation Lab, Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai Mumbai 400076, India
| | - Nivethida Thirugnanasambandam
- National Brain Research Centre (NBRC), Manesar 122 052, India
- Human Motor Neurophysiology and Neuromodulation Lab, Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Powai Mumbai 400076, India
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Sehatpour P, Kreither J, Lopez-Calderon J, Shastry AM, De Baun HM, Martinez A, Javitt DC. Network-level mechanisms underlying effects of transcranial direct current stimulation (tDCS) on visuomotor learning in schizophrenia. Transl Psychiatry 2023; 13:360. [PMID: 37993420 PMCID: PMC10665365 DOI: 10.1038/s41398-023-02656-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 10/24/2023] [Accepted: 11/07/2023] [Indexed: 11/24/2023] Open
Abstract
Motor learning is a fundamental skill to our daily lives. Dysfunction in motor performance in schizophrenia (Sz) has been associated with poor social and functional outcomes. Transcranial direct current stimulation (tDCS), a non-invasive electrical brain stimulation approach, can influence underlying brain function with potential for improving motor learning in Sz. We used a well-established Serial Reaction Time Task (SRTT) to study motor learning, in combination with simultaneous tDCS and EEG recording, to investigate mechanisms of motor and procedural learning deficits in Sz, and to develop refined non-invasive brain stimulation approaches to improve neurocognitive dysfunction. We recruited 27 individuals with Sz and 21 healthy controls (HC). Individuals performed the SRTT task as they received sham and active tDCS with simultaneous EEG recording. Reaction time (RT), neuropsychological, and measures of global functioning were assessed. SRTT performance was significantly impaired in Sz and showed significant correlations with motor-related and working memory measures as well as global function. Source-space time-frequency decomposition of EEG showed beta-band coherence across supplementary-motor, primary-motor and visual cortex forming a network involved in SRTT performance. Motor-cathodal and visual-cathodal stimulations resulted in significant modulation in coherence particularly across the motor-visual nodes of the network accompanied by significant improvement in motor learning in both controls and patients. Here, we confirm earlier reports of SRTT impairment in Sz and demonstrate significant reversal of the deficits with tDCS. The findings support continued development of tDCS for enhancement of plasticity-based interventions in Sz, as well as source-space EEG analytic approaches for evaluating underlying neural mechanisms.
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Affiliation(s)
- Pejman Sehatpour
- Division of Experimental Therapeutics, Columbia University Irving Medical Center, New York, NY, USA.
- Schizophrenia Research Division, Nathan Kline Institute for Psychiatric Research, Orangeburg, NY, USA.
| | - Johanna Kreither
- PIA Ciencias Cognitivas, Centro de Investigación en Ciencias Cognitivas, Facultad de Psicología, and Laboratorio de Neurofisiología, Escuela de Medicina, Universidad de Talca, Talca, Chile
| | | | - Adithya M Shastry
- Division of Experimental Therapeutics, Columbia University Irving Medical Center, New York, NY, USA
| | - Heloise M De Baun
- Division of Experimental Therapeutics, Columbia University Irving Medical Center, New York, NY, USA
| | - Antigona Martinez
- Division of Experimental Therapeutics, Columbia University Irving Medical Center, New York, NY, USA
- Schizophrenia Research Division, Nathan Kline Institute for Psychiatric Research, Orangeburg, NY, USA
| | - Daniel C Javitt
- Division of Experimental Therapeutics, Columbia University Irving Medical Center, New York, NY, USA.
- Schizophrenia Research Division, Nathan Kline Institute for Psychiatric Research, Orangeburg, NY, USA.
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Zhang H, Rajji TK, Selby P, Melamed O, Attwells S, Zawertailo L. Augmenting varenicline treatment with transcranial direct current stimulation (tDCS) increases smoking abstinence rates at end of treatment. Brain Stimul 2023; 16:1083-1085. [PMID: 37406928 DOI: 10.1016/j.brs.2023.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 07/01/2023] [Indexed: 07/07/2023] Open
Affiliation(s)
- Helena Zhang
- Nicotine Dependence Service, Addictions Program, Centre for Addiction and Mental Health, Toronto, Canada; Department of Pharmacology and Toxicology, Faculty of Medicine, University of Toronto, Toronto, Canada
| | - Tarek K Rajji
- Department of Psychiatry, University of Toronto, Toronto, Canada; Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, Canada
| | - Peter Selby
- Nicotine Dependence Service, Addictions Program, Centre for Addiction and Mental Health, Toronto, Canada; Department of Family and Community Medicine, Faculty of Medicine, University of Toronto, Toronto, Canada; Department of Psychiatry, University of Toronto, Toronto, Canada; Dalla Lana School of Public Health, University of Toronto, Toronto, Canada; Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, Canada
| | - Osnat Melamed
- Nicotine Dependence Service, Addictions Program, Centre for Addiction and Mental Health, Toronto, Canada
| | - Sophia Attwells
- Nicotine Dependence Service, Addictions Program, Centre for Addiction and Mental Health, Toronto, Canada
| | - Laurie Zawertailo
- Nicotine Dependence Service, Addictions Program, Centre for Addiction and Mental Health, Toronto, Canada; Department of Pharmacology and Toxicology, Faculty of Medicine, University of Toronto, Toronto, Canada; Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, Canada.
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Byczynski G, Vanneste S. Modulating motor learning with brain stimulation: Stage-specific perspectives for transcranial and transcutaneous delivery. Prog Neuropsychopharmacol Biol Psychiatry 2023; 125:110766. [PMID: 37044280 DOI: 10.1016/j.pnpbp.2023.110766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 03/22/2023] [Accepted: 04/09/2023] [Indexed: 04/14/2023]
Abstract
Brain stimulation has been used in motor learning studies with success in improving aspects of task learning, retention, and consolidation. Using a variety of motor tasks and stimulus parameters, researchers have produced an array of literature supporting the efficacy of brain stimulation to modulate motor task learning. We discuss the use of transcranial direct current stimulation, transcranial alternating current stimulation, and peripheral nerve stimulation to modulate motor learning. In a novel approach, we review literature of motor learning modulation in terms of learning stage, categorizing learning into acquisition, consolidation, and retention. We endeavour to provide a current perspective on the stage-specific mechanism behind modulation of motor task learning, to give insight into how electrical stimulation improves or hinders motor learning, and how mechanisms differ depending on learning stage. Offering a look into the effectiveness of peripheral nerve stimulation for motor learning, we include potential mechanisms and overlapping features with transcranial stimulation. We conclude by exploring how peripheral stimulation may contribute to the results of studies that employed brain stimulation intracranially.
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Affiliation(s)
- Gabriel Byczynski
- Lab for Clinical and Integrative Neuroscience, Trinity College Institute for Neuroscience, School of Psychology, Trinity College Dublin, D02 PN40, Ireland; Global Brain Health Institute, Trinity College Dublin, D02 PN40, Ireland
| | - Sven Vanneste
- Lab for Clinical and Integrative Neuroscience, Trinity College Institute for Neuroscience, School of Psychology, Trinity College Dublin, D02 PN40, Ireland; School of Psychology, Trinity College Institute for Neuroscience, School of Psychology, Trinity College Dublin, D02 PN40, Ireland; Global Brain Health Institute, Trinity College Dublin, D02 PN40, Ireland.
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Javitt D, Sehatpour P, Kreither J, Lopez-Calderon J, Shastry A, De-Baun H, Martinez A. Network-level mechanisms underlying effects of transcranial direct current stimulation (tDCS) on visuomotor learning impairments in schizophrenia. RESEARCH SQUARE 2023:rs.3.rs-2711867. [PMID: 37066410 PMCID: PMC10104242 DOI: 10.21203/rs.3.rs-2711867/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/18/2023]
Abstract
Motor learning is a fundamental skill to our daily lives. Dysfunction in motor performance in schizophrenia (Sz) is associated with poor social and functional outcomes, but nevertheless remains understudied relative to other neurocognitive domains. Moreover, transcranial direct current stimulation (tDCS) can influence underlying brain function in Sz and may be especially useful in enhancing local cortical plasticity, but underlying neural mechanisms remain incompletely understood. Here, we evaluated performance of Sz individuals on the Serial Reaction Time Task (SRTT), which has been extensively used in prior tDCS research, in combination with concurrent tDCS and EEG source localization first to evaluate the integrity of visuomotor learning in Sz relative to other cognitive domains and second to investigate underlying neural mechanisms. Twenty-seven individuals with Sz and 21 healthy controls (HC) performed the SRTT task as they received sham or active tDCS and simultaneous EEG recording. Measures of motor, neuropsychological and global functioning were also assessed. Impaired SRTT performance correlated significantly with deficits in motor performance, working memory, and global functioning. Time-frequency ("Beamformer") EEG source localization showed beta-band coherence across supplementary-motor, primary-motor and visual cortex regions, with reduced visuomotor coherence in Sz relative to HC. Cathodal tDCS targeting both visual and motor regions resulted in significant modulation in coherence particularly across the motor-visual nodes of the network accompanied by significant improvement in motor learning in both controls and patients. Overall, these findings demonstrate the utility of the SRTT to study mechanisms of visuomotor impairment in Sz and demonstrate significant tDCS effects on both learning and connectivity when applied over either visual or motor regions. The findings support continued study of dysfunctional dorsal-stream visual connectivity and motor plasticity as components of cognitive impairment in Sz, of local tDCS administration for enhancement of plasticity, and of source-space EEG-based biomarkers for evaluation of underlying neural mechanisms.
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Affiliation(s)
- Daniel Javitt
- Columbia University Medical Center/Nathan Kline Institute
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10
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Chen L, Oei TP, Zhou R. The cognitive control mechanism of improving emotion regulation: A high-definition tDCS and ERP study. J Affect Disord 2023; 332:19-28. [PMID: 36958485 DOI: 10.1016/j.jad.2023.03.059] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 03/10/2023] [Accepted: 03/18/2023] [Indexed: 03/25/2023]
Abstract
BACKGROUND Cognitive reappraisal as a commonly used emotion regulation strategy includes reinterpretation and detachment and is associated with the activity of the dorsolateral prefrontal cortex (DLPFC). However, the neuroenhancement mechanisms of transcranial direct current stimulation (tDCS) over DLPFC that modulate cognitive reappraisal are not yet fully understood. This work aims to verify the causal role of DLPFC in different tactics of cognitive reappraisal and further explore the cognitive control mechanisms of emotion regulation. METHODS A single-blind, within-subjects, sham-controlled design was adopted. Twenty-nine healthy subjects underwent two sessions of offline high-definition tDCS (HD-tDCS) that were targeted at the right DLPFC. Participants completed the cognitive control (Flanker) and cognitive reappraisal task in each session. We quantified the efficacy of cognitive control using N2 and P3 of the evoked brain responses and cognitive reappraisal using the late positivity potential (LPP). RESULTS Anodal HD-tDCS resulted in the decrease of LPP for reinterpretation and detachment. The cognitive control increased after stimulation, indicated by the increase of P3 and decrease of N2 amplitude. The increased cognitive control mediated the effect of HD-tDCS on modulating reinterpretation, but not for detachment. LIMITATIONS The single-blind design, absence of the lasting-effects measure, and the intrinsically limited focality of tDCS are limitations of this study. CONCLUSIONS Increasing the activity of DLPFC would facilitate emotion regulation and increase cognitive control. Cognitive control may be a significant potential mechanism for reinterpretation. Both tDCS and cognitive control interventions may be possible approaches to enhance emotion regulation.
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Affiliation(s)
- Lele Chen
- Department of Radiology, The Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing 210008, China; School of Education, Nantong University, Nantong 226019, China; Department of Psychology, Nanjing University, Nanjing 210023, China; School of Psychology, University of Queensland, Qld, Australia
| | - Tian Po Oei
- Department of Psychology, Nanjing University, Nanjing 210023, China
| | - Renlai Zhou
- Department of Radiology, The Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing 210008, China; Department of Psychology, Nanjing University, Nanjing 210023, China; State Key Laboratory of Media Convergence Production Technology and Systems, Beijing 100803, China.
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Mosayebi-Samani M, Agboada D, Mutanen TP, Haueisen J, Kuo MF, Nitsche MA. Transferability of cathodal tDCS effects from the primary motor to the prefrontal cortex: A multimodal TMS-EEG study. Brain Stimul 2023; 16:515-539. [PMID: 36828302 DOI: 10.1016/j.brs.2023.02.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 01/24/2023] [Accepted: 02/19/2023] [Indexed: 02/24/2023] Open
Abstract
Neurophysiological effects of transcranial direct current stimulation (tDCS) have been extensively studied over the primary motor cortex (M1). Much less is however known about its effects over non-motor areas, such as the prefrontal cortex (PFC), which is the neuronal foundation for many high-level cognitive functions and involved in neuropsychiatric disorders. In this study, we, therefore, explored the transferability of cathodal tDCS effects over M1 to the PFC. Eighteen healthy human participants (11 males and 8 females) were involved in eight randomized sessions per participant, in which four cathodal tDCS dosages, low, medium, and high, as well as sham stimulation, were applied over the left M1 and left PFC. After-effects of tDCS were evaluated via transcranial magnetic stimulation (TMS)-electroencephalography (EEG), and TMS-elicited motor evoked potentials (MEP), for the outcome parameters TMS-evoked potentials (TEP), TMS-evoked oscillations, and MEP amplitude alterations. TEPs were studied both at the regional and global scalp levels. The results indicate a regional dosage-dependent nonlinear neurophysiological effect of M1 tDCS, which is not one-to-one transferable to PFC tDCS. Low and high dosages of M1 tDCS reduced early positive TEP peaks (P30, P60), and MEP amplitudes, while an enhancement was observed for medium dosage M1 tDCS (P30). In contrast, prefrontal low, medium and high dosage tDCS uniformly reduced the early positive TEP peak amplitudes. Furthermore, for both cortical areas, regional tDCS-induced modulatory effects were not observed for late TEP peaks, nor TMS-evoked oscillations. However, at the global scalp level, widespread effects of tDCS were observed for both, TMS-evoked potentials and oscillations. This study provides the first direct physiological comparison of tDCS effects applied over different brain areas and therefore delivers crucial information for future tDCS applications.
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Affiliation(s)
- Mohsen Mosayebi-Samani
- Department of Psychology and Neurosciences, Leibniz Research Centre for Working Environment and Human Factors, Dortmund, Germany; Institute of Biomedical Engineering and Informatics, Technische Universität Ilmenau, Ilmenau, Germany
| | - Desmond Agboada
- Department of Psychology and Neurosciences, Leibniz Research Centre for Working Environment and Human Factors, Dortmund, Germany; Institute of Psychology, Federal Armed Forces University Munich, Neubiberg, Germany
| | - Tuomas P Mutanen
- Department of Neuroscience & Biomedical Engineering, Aalto University, School of Science, 00076, Aalto, Espoo, Finland
| | - Jens Haueisen
- Institute of Biomedical Engineering and Informatics, Technische Universität Ilmenau, Ilmenau, Germany
| | - Min-Fang Kuo
- Department of Psychology and Neurosciences, Leibniz Research Centre for Working Environment and Human Factors, Dortmund, Germany
| | - 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, Bielefeld, Germany.
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12
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Transcranial direct current stimulation (tDCS) in depression induces structural plasticity. Sci Rep 2023; 13:2841. [PMID: 36801903 PMCID: PMC9938111 DOI: 10.1038/s41598-023-29792-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 02/10/2023] [Indexed: 02/19/2023] Open
Abstract
Transcranial direct current stimulation (tDCS) is a non-invasive neuromodulation technique involving administration of well-tolerated electrical current to the brain through scalp electrodes. TDCS may improve symptoms in neuropsychiatric disorders, but mixed results from recent clinical trials underscore the need to demonstrate that tDCS can modulate clinically relevant brain systems over time in patients. Here, we analyzed longitudinal structural MRI data from a randomized, double-blind, parallel-design clinical trial in depression (NCT03556124, N = 59) to investigate whether serial tDCS individually targeted to the left dorso-lateral prefrontal cortex (DLPFC) can induce neurostructural changes. Significant (FWEc p < 0.05) treatment-related gray matter changes were observed with active high-definition (HD) tDCS relative to sham tDCS within the left DLPFC stimulation target. No changes were observed with active conventional tDCS. A follow-up analysis within individual treatment groups revealed significant gray matter increases with active HD-tDCS in brain regions functionally connected with the stimulation target, including the bilateral DLPFC, bilateral posterior cingulate cortex, subgenual anterior cingulate cortex, and the right hippocampus, thalamus and left caudate brain regions. Integrity of blinding was verified, no significant differences in stimulation-related discomfort were observed between treatment groups, and tDCS treatments were not augmented by any other adjunct treatments. Overall, these results demonstrate that serial HD-tDCS leads to neurostructural changes at a predetermined brain target in depression and suggest that such plasticity effects may propagate over brain networks.
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13
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Santana K, França E, Sato J, Silva A, Queiroz M, de Farias J, Rodrigues D, Souza I, Ribeiro V, Caparelli-Dáquer E, Teixeira AL, Charvet L, Datta A, Bikson M, Andrade S. Non-invasive brain stimulation for fatigue in post-acute sequelae of SARS-CoV-2 (PASC). Brain Stimul 2023; 16:100-107. [PMID: 36693536 PMCID: PMC9867562 DOI: 10.1016/j.brs.2023.01.1672] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 01/10/2023] [Accepted: 01/19/2023] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND and purpose: Fatigue is among the most common persistent symptoms following post-acute sequelae of Sars-COV-2 infection (PASC). The current study investigated the potential therapeutic effects of High-Definition transcranial Direct Current Stimulation (HD-tDCS) associated with rehabilitation program for the management of PASC-related fatigue. METHODS Seventy patients with PASC-related fatigue were randomized to receive 3 mA or sham HD-tDCS targeting the left primary motor cortex (M1) for 30 min paired with a rehabilitation program. Each patient underwent 10 sessions (2 sessions/week) over five weeks. Fatigue was measured as the primary outcome before and after the intervention using the Modified Fatigue Impact Scale (MFIS). Pain level, anxiety severity and quality of life were secondary outcomes assessed, respectively, through the McGill Questionnaire, Hamilton Anxiety Rating Scale (HAM-A) and WHOQOL. RESULTS Active HD-tDCS resulted in significantly greater reduction in fatigue compared to sham HD-tDCS (mean group MFIS reduction of 22.11 points vs 10.34 points). Distinct effects of HD-tDCS were observed in fatigue domains with greater effect on cognitive (mean group difference 8.29 points; effect size 1.1; 95% CI 3.56-13.01; P < .0001) and psychosocial domains (mean group difference 2.37 points; effect size 1.2; 95% CI 1.34-3.40; P < .0001), with no significant difference between the groups in the physical subscale (mean group difference 0.71 points; effect size 0.1; 95% CI 4.47-5.90; P = .09). Compared to sham, the active HD-tDCS group also had a significant reduction in anxiety (mean group difference 4.88; effect size 0.9; 95% CI 1.93-7.84; P < .0001) and improvement in quality of life (mean group difference 14.80; effect size 0.7; 95% CI 7.87-21.73; P < .0001). There was no significant difference in pain (mean group difference -0.74; no effect size; 95% CI 3.66-5.14; P = .09). CONCLUSION An intervention with M1 targeted HD-tDCS paired with a rehabilitation program was effective in reducing fatigue and anxiety, while improving quality of life in people with PASC.
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Affiliation(s)
| | | | - João Sato
- Center of Mathematics, Computing and Cognition, Federal University of ABC, Santo André, Brazil
| | - Ana Silva
- Federal University of Paraíba, João Pessoa, Brazil
| | | | | | | | - Iara Souza
- Federal University of Paraíba, João Pessoa, Brazil
| | - Vanessa Ribeiro
- Department of Health, Government of Paraíba, João Pessoa, Brazil
| | - Egas Caparelli-Dáquer
- Nervous System Electric Stimulation Lab, Rio de Janeiro State University, Rio de Janeiro, Brazil
| | - Antonio L. Teixeira
- Department of Psychiatry and Behavioral Sciences, McGovern Medical School, University of Texas Health Science Center, Houston, United States,Faculdade Santa Casa BH, Belo Horizonte, Brazil
| | - Leigh Charvet
- Department of Neurology, New York University Langone Health, New York, United States
| | - Abhishek Datta
- Department of Biomedical Engineering, The City College of New York of CUNY, New York, United States,Research & Development, Soterix Medical, Inc., New York, United States
| | - Marom Bikson
- Department of Biomedical Engineering, The City College of New York of CUNY, New York, United States
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14
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Efficacy and Safety of Transcranial Electric Stimulation during the Perinatal Period: A Systematic Literature Review and Three Case Reports. J Clin Med 2022; 11:jcm11144048. [PMID: 35887812 PMCID: PMC9318834 DOI: 10.3390/jcm11144048] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/05/2022] [Accepted: 07/07/2022] [Indexed: 11/17/2022] Open
Abstract
Introduction: The perinatal period is an at-risk period for the emergence or decompensation of psychiatric disorders. Transcranial electrical stimulation (tES) is an effective and safe treatment for many psychiatric disorders. Given the reluctance to use pharmacological treatments during pregnancy or breastfeeding, tES may be an interesting treatment to consider. Our study aims to evaluate the efficacy and safety of tES in the perinatal period through a systematic literature review followed by three original case reports. Method: Following PRISMA guidelines, a systematic review of MEDLINE and ScienceDirect was undertaken to identify studies on tES on women during the perinatal period. The initial research was conducted until 31 December 2021 and search terms included: tDCS, transcranial direct current stimulation, tACS, transcranial alternating current stimulation, tRNS, transcranial random noise stimulation, pregnancy, perinatal, postnatal, and postpartum. Results: Seven studies reporting on 33 women during the perinatal period met the eligibility criteria. No serious adverse effects for the mother or child were reported. Data were limited to the use of tES during pregnancy in patients with schizophrenia or unipolar depression. In addition, we reported three original case reports illustrating the efficacy and safety of tDCS: in a pregnant woman with bipolar depression, in a pregnant woman with post-traumatic stress disorder (sham tDCS), and in a breastfeeding woman with postpartum depression. Conclusions: The results are encouraging, making tES a potentially safe and effective treatment in the perinatal period. Larger studies are needed to confirm these initial results, and any adverse effects on the mother or child should be reported. In addition, research perspectives on the medico-economic benefits of tES, and its realization at home, are to be investigated in the future.
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15
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Baroni A, Magro G, Martinuzzi C, Brondi L, Masiero S, Milani G, Zani G, Bergonzoni A, Basaglia N, Straudi S. Combined effects of cerebellar tDCS and task-oriented circuit training in people with multiple sclerosis: A pilot randomized control trial. Restor Neurol Neurosci 2022; 40:85-95. [DOI: 10.3233/rnn-211245] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Background: Balance and mobility impairments are frequent in people with multiple sclerosis, partly due to cerebellar dysfunctions. Task-oriented behavioural approaches were previously shown to promote physical function. The possibility exists that cerebellar transcranial direct current stimulation (ctDCS) applied during training, known to increase the excitability of the brain, can boost rehabilitation effects through modulation of cerebellum-brain inhibition. Objective: To test the efficacy of cerebellar ctDCS stimulation combined with motor training on mobility and balance in people with multiple sclerosis. Methods: 16 subjects were randomly assigned to receive real- or sham-ctDCS and task-oriented training daily over two weeks in a double-blind, randomised clinical pilot trial. Functional mobility, balance, walking performance and quality of life were tested before and after treatment and at two-week follow-up. Effects of cerebellar stimulation on psychological and executive functions were also recorded. Results: Walking performance, balance and quality of life improved for both groups at post-treatment assessment which was maintained at 2-weeks follow up. A two-way ANOVA revealed a significant time effect for balance and walking performance. A significant interaction effect of time–treatment (F = 3.12, df = 2,26; p = 0.03) was found for motor aspects of quality of life assessment in patients who received real-ctDCS. Conclusions: Task-oriented training improves balance and mobility in people with multiple sclerosis, but ctDCS does not boost motor training effects.
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Affiliation(s)
- Andrea Baroni
- Department of Neuroscience and Rehabilitation, Ferrara University Hospital, Ferrara, Italy
| | - Giacomo Magro
- Physical Medicine and Rehabilitation School, Department of Neuroscience, University of Padova, Padova, Italy
| | - Carlotta Martinuzzi
- Department of Neuroscience and Rehabilitation, Ferrara University Hospital, Ferrara, Italy
| | - Laura Brondi
- Department of Neuroscience and Rehabilitation, Ferrara University Hospital, Ferrara, Italy
| | - Stefano Masiero
- Rehabilitation Unit, Department of Neuroscience, University of Padova, Padova, Italy
| | - Giada Milani
- Department of Neuroscience and Rehabilitation, Ferrara University Hospital, Ferrara, Italy
- Ferrara University, Doctoral Program in Translational Neurosciences and Neurotechnologies, Ferrara, Italy
| | - Giulia Zani
- Department of Neuroscience and Rehabilitation, Ferrara University Hospital, Ferrara, Italy
| | - Antonella Bergonzoni
- Department of Neuroscience and Rehabilitation, Ferrara University Hospital, Ferrara, Italy
| | - Nino Basaglia
- Department of Neuroscience and Rehabilitation, Ferrara University Hospital, Ferrara, Italy
- Department of Neuroscience and Rehabilitation, University of Ferrara, Ferrara, Italy
| | - Sofia Straudi
- Department of Neuroscience and Rehabilitation, Ferrara University Hospital, Ferrara, Italy
- Department of Neuroscience and Rehabilitation, University of Ferrara, Ferrara, Italy
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16
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Zhao Q, Han Y, Hu XY, Zhang S, Zhang L, Wang J, Zhang QQ, Tao MS, Fang JX, Yang J, Liu RG, Sun X, Zhou J, Li X, Mannan-Abdul, Zhang H, Liu H, Cao JL. Transcranial Electrical Stimulation for Relief of Peripartum Mental Health Disorders in Women Undergoing Cesarean Section With Combined Spinal-Epidural Anesthesia: A Pilot Randomized Clinical Trial. Front Psychiatry 2022; 13:837774. [PMID: 35444569 PMCID: PMC9013841 DOI: 10.3389/fpsyt.2022.837774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 02/14/2022] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE This study aimed to explore transcranial electrical stimulation (tES) to relieve peripartum anxiety and depressive symptoms in women undergoing cesarean section with combined spinal-epidural anesthesia. METHODS This double-blind, randomized, sham-controlled trial was conducted in the Affiliated Hospital of Xuzhou Medical University from March 2021 and May 2021. One hundred and forty-eight full-term parturients giving birth by elective cesarean section were selected, and 126 were included in the intent-to-treat analysis. Parturients were provided standardized anesthesia and randomized to the active-tES (a-tES) group and sham-tES group. Parturients and outcome assessors were blinded to treatment allocation. The primary outcome was the changes in peripartum mental health disorders, including anxiety, assessed by the Pregnancy-Related Anxiety Questionnaire-Revised 2 (PRAQ-R2). Secondary outcomes included peripartum depressive symptoms, assessed by the Edinburgh Postnatal Depression Scale (EPDS), maternal satisfaction, fatigue level, sleep quality index, and pain score during and after operation. Data were collected before entering the operating room (T0), between post-anesthesia and pre-surgery (T1), before leaving the operating room (T2), and at 24 h post-surgery (T3). RESULTS One hundred and twenty-six eligible parturients were enrolled in the two groups: a-tES group (N = 62) and sham-tES group (N = 64). Treatment with tES resulted in significantly lower scores of anxiety compared with sham-tES (T2: P < 0.001; T3: P = 0.001). Moreover, the a-tES groups showed a significant reduction in depression scores (T2: P = 0.003; T3: P = 0.032). CONCLUSION In this randomized pilot study, tES treatment is efficacious in alleviating peripartum anxiety and depressive symptoms in women undergoing cesarean section and has been demonstrated to be a novel strategy for improving peripartum mental health disorders. CLINICAL TRIAL REGISTRATION [www.chictr.org.cn], identifier [ChiCTR2000040963].
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Affiliation(s)
- Qiu Zhao
- Department of Anesthesiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.,Jiangsu Province Key Laboratory of Anesthesiology and NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, Xuzhou Medical University, Xuzhou, China
| | - Yuan Han
- Department of Anesthesiology, Eye & ENT Hospital of Fudan University, Shanghai, China
| | - Xiao-Yi Hu
- Department of Anesthesiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.,Jiangsu Province Key Laboratory of Anesthesiology and NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, Xuzhou Medical University, Xuzhou, China
| | - Song Zhang
- Department of Anesthesiology, Renji Hospital School of Medicine Shanghai Jiao Tong University, Shanghai, China
| | - Long Zhang
- Insititute of Nervous System Diseases, Xuzhou Medical University, Xuzhou, China
| | - Jun Wang
- Department of Anesthesiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.,Jiangsu Province Key Laboratory of Anesthesiology and NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, Xuzhou Medical University, Xuzhou, China
| | - Qian-Qian Zhang
- Department of Anesthesiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.,Jiangsu Province Key Laboratory of Anesthesiology and NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, Xuzhou Medical University, Xuzhou, China
| | - Ming-Shu Tao
- Department of Anesthesiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.,Jiangsu Province Key Laboratory of Anesthesiology and NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, Xuzhou Medical University, Xuzhou, China
| | - Jia-Xing Fang
- Department of Anesthesiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.,Jiangsu Province Key Laboratory of Anesthesiology and NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, Xuzhou Medical University, Xuzhou, China
| | - Jie Yang
- Department of Anesthesiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.,Jiangsu Province Key Laboratory of Anesthesiology and NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, Xuzhou Medical University, Xuzhou, China
| | - Rong-Guang Liu
- Department of Anesthesiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.,Jiangsu Province Key Laboratory of Anesthesiology and NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, Xuzhou Medical University, Xuzhou, China
| | - Xun Sun
- Department of Anesthesiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.,Jiangsu Province Key Laboratory of Anesthesiology and NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, Xuzhou Medical University, Xuzhou, China
| | - Jian Zhou
- Department of Anesthesiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.,Jiangsu Province Key Laboratory of Anesthesiology and NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, Xuzhou Medical University, Xuzhou, China
| | - Xiang Li
- Department of Anesthesiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.,Jiangsu Province Key Laboratory of Anesthesiology and NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, Xuzhou Medical University, Xuzhou, China
| | - Mannan-Abdul
- Department of Anesthesiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.,Jiangsu Province Key Laboratory of Anesthesiology and NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, Xuzhou Medical University, Xuzhou, China
| | - Hongxing Zhang
- Jiangsu Province Key Laboratory of Anesthesiology and NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, Xuzhou Medical University, Xuzhou, China
| | - He Liu
- Department of Anesthesiology, The Affiliated Huzhou Hospital, Zhejiang University School of Medicine, Huzhou Central Hospital, Huzhou, China
| | - Jun-Li Cao
- Department of Anesthesiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.,Jiangsu Province Key Laboratory of Anesthesiology and NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, Xuzhou Medical University, Xuzhou, China
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17
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Jog M, Anderson C, Kim E, Garrett A, Kubicki A, Gonzalez S, Jann K, Iacoboni M, Woods R, Wang DJ, Narr KL. A novel technique for accurate electrode placement over cortical targets for transcranial electrical stimulation (tES) clinical trials. J Neural Eng 2021; 18. [PMID: 34555822 DOI: 10.1088/1741-2552/ac297d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 09/23/2021] [Indexed: 11/12/2022]
Abstract
Objective. We present an easy-to-implement technique for accurate electrode placement over repeated transcranial electrical stimulation (tES) sessions across participants and time. tES is an emerging, non-invasive neuromodulation technique that delivers electrical stimulation using scalp electrodes.Approach.The tES electrode placement technique was developed during an exploratory clinical trial aimed at targeting a specific MNI-atlas cortical coordinate inN= 59 depressed participants (32 F, mean age: 31.1 ± 8.3 SD). Each participant completed 12 sessions of active or sham stimulation, administered using high-definition (HD) or conventional sized electrode montages placed according to the proposed technique. Neuronavigation data measuring the distances between the identified and the intended stimulation site, simulations, and cerebral blood flow (CBF) data at baseline and post-treatment were acquired to evaluate the targeting characteristics of the proposed technique.Main results.Neuronavigation measurements indicate accurate electrode placement to within 1 cm of the stimulation target on average across repeated sessions. Simulations predict that these placement characteristics result in minimal electric field differences at the stimulation target (>0.90 correlation, and <10% change in the modal electric field and targeted volume). Additionally, significant changes in %CBF (relative to baseline) under the stimulation target in the active stimulation group relative to sham confirmed that the proposed placement technique introduces minimal bias in the spatial location of the cortical coordinate ultimately targeted. Finally, we show proof of concept that the proposed technique provides similar accuracy of electrode placement at other cortical targets.Significance.For voxel-level cortical targets, existing techniques based on cranial landmarks are suboptimal. Our results show that the proposed electrode placement approach provides high consistency for the accurate targeting of such specific cortical regions. Overall, the proposed technique now enables the accurate targeting of locations not accessible with the existing 10-20 system such as scalp-projections of clinically-relevant cortical coordinates identified by brain mapping studies. Clinical trial ID: NCT03556124.
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Affiliation(s)
- Mayank Jog
- Department of Neurology, University of California Los Angeles, Los Angeles, CA, United States of America
| | - Cole Anderson
- Department of Neurology, University of California Los Angeles, Los Angeles, CA, United States of America
| | - Elizabeth Kim
- Department of Neurology, University of California Los Angeles, Los Angeles, CA, United States of America
| | - Avery Garrett
- Department of Neurology, University of California Los Angeles, Los Angeles, CA, United States of America
| | - Antoni Kubicki
- Department of Neurology, University of California Los Angeles, Los Angeles, CA, United States of America
| | - Sara Gonzalez
- Department of Neurology, University of California Los Angeles, Los Angeles, CA, United States of America
| | - Kay Jann
- Stevens Neuroimaging and Informatics Institute, University of Southern California, Los Angeles, CA, United States of America
| | - Marco Iacoboni
- Department of Neurology, University of California Los Angeles, Los Angeles, CA, United States of America
| | - Roger Woods
- Department of Neurology, University of California Los Angeles, Los Angeles, CA, United States of America
| | - Danny Jj Wang
- Stevens Neuroimaging and Informatics Institute, University of Southern California, Los Angeles, CA, United States of America
| | - Katherine L Narr
- Department of Neurology, University of California Los Angeles, Los Angeles, CA, United States of America
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18
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Rubia K, Westwood S, Aggensteiner PM, Brandeis D. Neurotherapeutics for Attention Deficit/Hyperactivity Disorder (ADHD): A Review. Cells 2021; 10:cells10082156. [PMID: 34440925 PMCID: PMC8394071 DOI: 10.3390/cells10082156] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 08/07/2021] [Accepted: 08/18/2021] [Indexed: 01/19/2023] Open
Abstract
This review focuses on the evidence for neurotherapeutics for attention deficit/hyperactivity disorder (ADHD). EEG-neurofeedback has been tested for about 45 years, with the latest meta-analyses of randomised controlled trials (RCT) showing small/medium effects compared to non-active controls only. Three small studies piloted neurofeedback of frontal activations in ADHD using functional magnetic resonance imaging or near-infrared spectroscopy, finding no superior effects over control conditions. Brain stimulation has been applied to ADHD using mostly repetitive transcranial magnetic and direct current stimulation (rTMS/tDCS). rTMS has shown mostly negative findings on improving cognition or symptoms. Meta-analyses of tDCS studies targeting mostly the dorsolateral prefrontal cortex show small effects on cognitive improvements with only two out of three studies showing clinical improvements. Trigeminal nerve stimulation has been shown to improve ADHD symptoms with medium effect in one RCT. Modern neurotherapeutics are attractive due to their relative safety and potential neuroplastic effects. However, they need to be thoroughly tested for clinical and cognitive efficacy across settings and beyond core symptoms and for their potential for individualised treatment.
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Affiliation(s)
- Katya Rubia
- Department of Child & Adolescent Psychiatry, Institute of Psychiatry, Psychology & Neurosciences, King’s College London, De Crespigny Park, London SE5 8AF, UK;
- Department of Social Genetics and Developmental Psychiatry, Institute of Psychiatry, Psychology & Neurosciences, King’s College London, De Crespigny Park, London SE5 8AF, UK
- Department of Child & Adolescent Psychiatry, Transcampus, Dresden University, 01307 Dresden, Germany
- Correspondence:
| | - Samuel Westwood
- Department of Child & Adolescent Psychiatry, Institute of Psychiatry, Psychology & Neurosciences, King’s College London, De Crespigny Park, London SE5 8AF, UK;
- Department of Social Genetics and Developmental Psychiatry, Institute of Psychiatry, Psychology & Neurosciences, King’s College London, De Crespigny Park, London SE5 8AF, UK
- Department of Psychology, Wolverhampton University, Wolverhampton WV1 1LY, UK
| | - Pascal-M. Aggensteiner
- Department of Child and Adolescent Psychiatry and Psychotherapy, Medical Faculty Mannheim, Central Institute of Mental Health, Heidelberg University, 68159 Mannheim, Germany; (P.-M.A.); (D.B.)
| | - Daniel Brandeis
- Department of Child and Adolescent Psychiatry and Psychotherapy, Medical Faculty Mannheim, Central Institute of Mental Health, Heidelberg University, 68159 Mannheim, Germany; (P.-M.A.); (D.B.)
- Department of Child and Adolescent Psychiatry and Psychotherapy, Hospital of Psychiatry, Psychiatric Hospital University, University of Zürich, 8032 Zürich, Switzerland
- Neuroscience Center Zürich, Swiss Federal Institute of Technology and University of Zürich, 8057 Zürich, Switzerland
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19
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Rittweger N, Ishorst T, Barmashenko G, Aliane V, Winter C, Funke K. Effects of iTBS-rTMS on the Behavioral Phenotype of a Rat Model of Maternal Immune Activation. Front Behav Neurosci 2021; 15:670699. [PMID: 33967716 PMCID: PMC8098712 DOI: 10.3389/fnbeh.2021.670699] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 03/30/2021] [Indexed: 12/23/2022] Open
Abstract
Repetitive transcranial magnetic stimulation (rTMS) is considered a promising therapeutic tool for treating neuropsychiatric diseases. Previously, we found intermittent theta-burst stimulation (iTBS) rTMS to be most effective in modulating cortical excitation-inhibition balance in rats, accompanied by improved cortical sensory processing and sensory learning performance. Using an animal schizophrenia model based on maternal immune activation (MIA) we tested if iTBS applied to either adult or juvenile rats can affect the behavioral phenotype in a therapeutic or preventive manner, respectively. In a sham-controlled fashion, iTBS effects in MIA rats were compared with rats receiving vehicle NaCl injection instead of the synthetic viral strand. Prior to iTBS, adult MIA rats showed deficits in sensory gating, as tested with prepulse inhibition (PPI) of the acoustic startle reflex, and deficits in novel object recognition (NOR). No differences between MIA and control rats were evident with regard to signs of anxiety, anhedonia and depression but MIA rats were somewhat superior to controls during the training phase of Morris Water Maze (MWM) test. MIA but not control rats significantly improved in PPI following iTBS at adulthood but without significant differences between verum and sham application. If applied during adolescence, verum but not sham-iTBS improved NOR at adulthood but no difference in PPI was evident in rats treated either with sham or verum-iTBS. MIA and control rat responses to sham-iTBS applied at adulthood differed remarkably, indicating a different physiological reaction to the experimental experiences. Although verum-iTBS was not superior to sham-iTBS, MIA rats seemed to benefit from the treatment procedure in general, since differences-in relation to control rats declined or disappeared. Even if classical placebo effects can be excluded, motor or cognitive challenges or the entire handling procedure during the experiments appear to alleviate the behavioral impairments of MIA rats.
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Affiliation(s)
- Nadine Rittweger
- Department of Neurophysiology, Medical Faculty, Ruhr-University, Bochum, Germany
| | - Tanja Ishorst
- Department of Neurophysiology, Medical Faculty, Ruhr-University, Bochum, Germany
| | - Gleb Barmashenko
- Department of Neurophysiology, Medical Faculty, Ruhr-University, Bochum, Germany.,AIO-Studien-gGmbH, Berlin, Germany
| | - Verena Aliane
- Department of Neurophysiology, Medical Faculty, Ruhr-University, Bochum, Germany
| | - Christine Winter
- Department of Psychiatry and Psychotherapy, Charité University Medicine Berlin, Berlin, Germany.,Department of Psychiatry and Psychotherapy, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Klaus Funke
- Department of Neurophysiology, Medical Faculty, Ruhr-University, Bochum, Germany
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20
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Poppe A, Bais L, van Duin D, Ćurčić-Blake B, Pijnenborg GHM, van der Meer L. Improving cognition in severe mental illness by combining cognitive remediation and transcranial direct current stimulation: study protocol for a pragmatic randomized controlled pilot trial (HEADDSET). Trials 2021; 22:275. [PMID: 33849658 PMCID: PMC8042354 DOI: 10.1186/s13063-021-05230-8] [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: 12/09/2020] [Accepted: 03/27/2021] [Indexed: 02/08/2023] Open
Abstract
Background A fundamental challenge for many people with severe mental illness (SMI) is how to deal with cognitive impairments. Cognitive impairments are common in this population and limit daily functioning. Moreover, neural plasticity in people with SMI appears to be reduced, a factor that might hinder newly learned cognitive skills to sustain. The objective of this pilot trial is to investigate the effects of cognitive remediation (CR) on cognitive and daily functioning in people dependent on residential settings. In addition, transcranial direct current stimulation (tDCS) is used to promote neural plasticity. It is expected that the addition of tDCS can enhance learning and will result in longer-lasting improvements in cognitive and daily functioning. Methods This is a pragmatic, triple-blinded, randomized, sham-controlled, pilot trial following a non-concurrent multiple baseline design with the participants serving as their own control. We will compare (1) CR to treatment as usual, (2) active/sham tDCS+CR to treatment as usual, and (3) active tDCS+CR to sham tDCS+CR. Clinical relevance, feasibility, and acceptability of the use of CR and tDCS will be evaluated. We will recruit 26 service users aged 18 years or older, with a SMI and dependent on residential facilities. After a 16-week waiting period (treatment as usual), which will serve as a within-subject control condition, participants will be randomized to 16 weeks of twice weekly CR combined with active (N = 13) or sham tDCS (N = 13). Cognitive, functional, and clinical outcome assessments will be performed at baseline, after the control (waiting) period, directly after treatment, and 6-months post-treatment. Discussion The addition of cognitive interventions to treatment as usual may lead to long-lasting improvements in the cognitive and daily functioning of service users dependent on residential facilities. This pilot trial will evaluate whether CR on its own or in combination with tDCS can be a clinically relevant addition to further enhance recovery. In case the results indicate that cognitive performance can be improved with CR, and whether or not tDCS will lead to additional improvement, this pilot trial will be extended to a large randomized multicenter study. Trial registration Dutch Trial Registry NL7954. Prospectively registered on August 12, 2019.
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Affiliation(s)
- Anika Poppe
- Department of Rehabilitation, Lentis Psychiatric Institute, Lagerhout E35, 9741 KE, Zuidlaren, The Netherlands.,Department of Clinical and Developmental Neuropsychology, University of Groningen, Grote Kruisstraat 2/1, 9712 TS, Groningen, The Netherlands
| | - Leonie Bais
- Department of Rehabilitation, Lentis Psychiatric Institute, Lagerhout E35, 9741 KE, Zuidlaren, The Netherlands
| | - Daniëlle van Duin
- Trimbos Institute, Utrecht, The Netherlands.,Phrenos Center of Expertise, Utrecht, The Netherlands
| | - Branislava Ćurčić-Blake
- Department of Biomedical Sciences of Cells and Systems, Cognitive Neuroscience Center, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Gerdina Hendrika Maria Pijnenborg
- Department of Clinical and Developmental Neuropsychology, University of Groningen, Grote Kruisstraat 2/1, 9712 TS, Groningen, The Netherlands.,Department of Psychotic Disorders, GGZ Drenthe, Assen, The Netherlands
| | - Lisette van der Meer
- Department of Rehabilitation, Lentis Psychiatric Institute, Lagerhout E35, 9741 KE, Zuidlaren, The Netherlands. .,Department of Clinical and Developmental Neuropsychology, University of Groningen, Grote Kruisstraat 2/1, 9712 TS, Groningen, The Netherlands.
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21
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Lewis YD, Gallop L, Campbell IC, Schmidt U. Effects of non-invasive brain stimulation in children and young people with psychiatric disorders: a protocol for a systematic review. Syst Rev 2021; 10:76. [PMID: 33706788 PMCID: PMC7953615 DOI: 10.1186/s13643-021-01627-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 03/02/2021] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Most psychiatric disorders have their onset in childhood or adolescence, and if not fully treated have the potential for causing life-long psycho-social and physical sequelae. Effective psychotherapeutic and medication treatments exist, but a significant proportion of children and young people do not make a full recovery. Thus, novel, safe, brain-based alternatives or adjuncts to conventional treatments are needed. Repetitive transcranial magnetic stimulation (rTMS) and transcranial direct current stimulation (tDCS) are non-invasive brain stimulation (NIBS) techniques which have shown clinical benefits in adult psychiatric conditions. However, in children and young people their efficacy is not well established. The objective of this study will be to systematically evaluate the evidence on clinical effects of NIBS in children and young people with psychiatric disorders, assessing disorder-specific symptoms, mood and neurocognitive functions. METHODS We designed and registered a study protocol for a systematic review. We will include randomised and non-randomised controlled trials and observational studies (e.g. cohort, case-control, case series) assessing the effects of NIBS in children and young people (aged ≤ 24 years old) for psychiatric disorders. The primary outcome will be reduction of disorder-specific symptoms. Secondary outcomes will include effects on mood and cognition. A comprehensive search from database inception onwards will be conducted in MEDLINE, EMBASE and PsycINFO. Grey literature will be identified through searching multiple clinical trial registries. Two reviewers will independently screen all citations, full-text articles and abstract data. The methodological quality of the studies will be appraised using appropriate tools. We will provide a narrative synthesis of the evidence and according to heterogeneity will conduct an appropriate meta-analysis. Additional analyses will be conducted to explore the potential sources of heterogeneity. DISCUSSION This systematic review will provide a broad and comprehensive evaluation of the evidence on clinical effects of NIBS in children and young people with psychiatric disorders. Our findings will be reported according to the PRISMA guidelines and will be of interest to multiple audiences (including patients, researchers, healthcare professionals and policy-makers). Results will be published in a peer-reviewed journal. SYSTEMATIC REVIEW REGISTRATION PROSPERO CRD42019158957.
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Affiliation(s)
- Yael D Lewis
- Section of Eating Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King's College London, PO59, London, SE5 8AF, UK.,Hadarim Eating Disorder Unit, Shalvata Mental Health Centre, Hod Hasharon, Israel.,Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Lucy Gallop
- Section of Eating Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King's College London, PO59, London, SE5 8AF, UK
| | - Iain C Campbell
- Section of Eating Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King's College London, PO59, London, SE5 8AF, UK
| | - Ulrike Schmidt
- Section of Eating Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King's College London, PO59, London, SE5 8AF, UK. .,South London and Maudsley NHS Foundation Trust, London, UK.
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22
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Weinzimmer SA, Schneider SC, Cepeda SL, Guzick AG, Lázaro-Muñoz G, McIngvale E, Goodman WK, Sheth SA, Storch EA. Perceptions of Deep Brain Stimulation for Adolescents with Obsessive-Compulsive Disorder. J Child Adolesc Psychopharmacol 2021; 31:109-117. [PMID: 33534637 PMCID: PMC7984933 DOI: 10.1089/cap.2020.0166] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Objective: The present study aims to understand perceptions of deep brain stimulation (DBS) for severe obsessive-compulsive disorder (OCD) in adolescents among two groups: parents of children with a history of OCD and adults with a history of OCD. Methods: Two hundred sixty participants completed a questionnaire exploring their treatment history, relevant symptom severity, DBS knowledge, and DBS attitudes using an acceptability scale and a series of statements indicating levels of willingness or reluctance to consider DBS for adolescents with severe OCD or severe epilepsy. Results: Overall, participants found DBS to be fairly acceptable for adolescents with severe OCD, with 63% reporting at least 7/10 on a 0-10 acceptability Likert scale. Respondents were more willing to consider DBS for epilepsy than for OCD. Several factors were associated with greater willingness to consider DBS for OCD, including familiarity with DBS, the presence of suicidal thoughts, assurances of daily functioning improvements, and assurances of substantial symptom reduction. Concerns about safety, personality changes, and long-term effects on the body were associated with greatest reluctance to consider DBS for OCD. Conclusions: Our findings support the importance of increasing parents' familiarity with DBS, monitoring factors participants identified as most important to their DBS perceptions in future DBS research, and communicating benefits and risks clearly. We also highlight the need for further research on perceptions of DBS for severe and refractory OCD in adolescents.
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Affiliation(s)
- Saira A. Weinzimmer
- Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, Texas, USA.,Address correspondence to: Saira Weinzimmer, BA, Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, 1977 Butler Boulevard, Suite 4-400, Houston, TX 77030, USA
| | - Sophie C. Schneider
- Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, Texas, USA
| | - Sandra L. Cepeda
- Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, Texas, USA
| | - Andrew G. Guzick
- Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, Texas, USA
| | - Gabriel Lázaro-Muñoz
- Center for Medical Ethics and Health Policy, Baylor College of Medicine, Houston, Texas, USA
| | | | - Wayne K. Goodman
- Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, Texas, USA
| | - Sameer A. Sheth
- Department of Neurosurgery, Baylor College of Medicine, Houston, Texas, USA
| | - Eric A. Storch
- Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, Texas, USA.,Address correspondence to: Eric Storch, PhD, Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, 1977 Butler Boulevard, Suite 4-400, Houston, TX 77030, USA
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23
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In-vivo imaging of targeting and modulation of depression-relevant circuitry by transcranial direct current stimulation: a randomized clinical trial. Transl Psychiatry 2021; 11:138. [PMID: 33627624 PMCID: PMC7904813 DOI: 10.1038/s41398-021-01264-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 01/07/2021] [Accepted: 02/03/2021] [Indexed: 12/28/2022] Open
Abstract
Recent clinical trials of transcranial direct current stimulation (tDCS) in depression have shown contrasting results. Consequently, we used in-vivo neuroimaging to confirm targeting and modulation of depression-relevant neural circuitry by tDCS. Depressed participants (N = 66, Baseline Hamilton Depression Rating Scale (HDRS) 17-item scores ≥14 and <24) were randomized into Active/Sham and High-definition (HD)/Conventional (Conv) tDCS groups using a double-blind, parallel design, and received tDCS individually targeted at the left dorsolateral prefrontal cortex (DLPFC). In accordance with Ampere's Law, tDCS currents were hypothesized to induce magnetic fields at the stimulation-target, measured in real-time using dual-echo echo-planar-imaging (DE-EPI) MRI. Additionally, the tDCS treatment trial (consisting of 12 daily 20-min sessions) was hypothesized to induce cerebral blood flow (CBF) changes post-treatment at the DLPFC target and in the reciprocally connected anterior cingulate cortex (ACC), measured using pseudo-continuous arterial spin labeling (pCASL) MRI. Significant tDCS current-induced magnetic fields were observed at the left DLPFC target for both active stimulation montages (Brodmann's area (BA) 46: pHD = 0.048, Cohen's dHD = 0.73; pConv = 0.018, dConv = 0.86; BA 9: pHD = 0.011, dHD = 0.92; pConv = 0.022, dConv = 0.83). Significant longitudinal CBF increases were observed (a) at the left DLPFC stimulation-target for both active montages (pHD = 3.5E-3, dHD = 0.98; pConv = 2.8E-3, dConv = 1.08), and (b) at ACC for the HD-montage only (pHD = 2.4E-3, dHD = 1.06; pConv = 0.075, dConv = 0.64). These results confirm that tDCS-treatment (a) engages the stimulation-target, and (b) modulates depression-relevant neural circuitry in depressed participants, with stronger network-modulations induced by the HD-montage. Although not primary outcomes, active HD-tDCS showed significant improvements of anhedonia relative to sham, though HDRS scores did not differ significantly between montages post-treatment.
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24
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Lippmann B, Barmashenko G, Funke K. Effects of repetitive transcranial magnetic and deep brain stimulation on long-range synchrony of oscillatory activity in a rat model of developmental schizophrenia. Eur J Neurosci 2021; 53:2848-2869. [PMID: 33480084 DOI: 10.1111/ejn.15125] [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: 10/09/2020] [Revised: 12/23/2020] [Accepted: 01/19/2021] [Indexed: 12/14/2022]
Abstract
Aberrant neuronal network activity likely resulting from disturbed interactions of excitatory and inhibitory systems may be a major cause of cognitive deficits in neuropsychiatric diseases, like within the spectrum of schizophrenic phenotypes. In particular, the synchrony and pattern of oscillatory brain activity appears to be disturbed within limbic networks, e.g. between prefrontal cortex and hippocampus. In a rat model of maternal immune activation (MIA), we compared the acute effects of deep brain stimulation within either medial prefrontal cortex or ventral hippocampus with the effects of repetitive transcranial magnetic stimulation (rTMS), using the intermittent theta-burst protocol (iTBS), on oscillatory activity within limbic structures. Simultaneous local field potential recordings were made from medial prefrontal cortex, ventral hippocampus, nucleus accumbens and rostral part of ventral tegmental area before and after deep brain stimulation in anaesthetized rats previously (~3 h) treated with sham or verum rTMS. We found a waxing and waning pattern of theta and gamma activity in all structures which was less synchronous in particular between medial prefrontal cortex and ventral hippocampus in MIA offspring. Deep brain stimulation in medial prefrontal cortex and pre-treatment with iTBS-rTMS partly improved this pattern. Gamma-theta cross-frequency coupling was stronger in MIA offspring and could partly be reduced by deep brain stimulation in medial prefrontal cortex. We can confirm aberrant limbic network activity in a rat MIA model, and at least acute normalizing effects of the neuromodulatory methods. It has to be proven whether these procedures can have chronic effects suitable for therapeutic purposes.
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Affiliation(s)
- Benjamin Lippmann
- Department of Neurophysiology, Medical Faculty, Ruhr-University Bochum, Bochum, Germany
| | - Gleb Barmashenko
- Department of Neurophysiology, Medical Faculty, Ruhr-University Bochum, Bochum, Germany.,AIO-Studien-gGmbH, Berlin, Germany
| | - Klaus Funke
- Department of Neurophysiology, Medical Faculty, Ruhr-University Bochum, Bochum, Germany
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25
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Lin YY, Chang CC, Huang CCY, Tzeng NS, Kao YC, Chang HA. Efficacy and neurophysiological predictors of treatment response of adjunct bifrontal transcranial direct current stimulation (tDCS) in treating unipolar and bipolar depression. J Affect Disord 2021; 280:295-304. [PMID: 33221715 DOI: 10.1016/j.jad.2020.11.030] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 09/19/2020] [Accepted: 11/07/2020] [Indexed: 12/18/2022]
Abstract
BACKGROUND Although add-on transcranial direct current stimulation (tDCS) is a promising intervention for treating unipolar (UD) and bipolar depression (BD), its moderate antidepressant efficacy urges research into biomarkers for predicting therapeutic response and achieving highly targeted applications. METHODS This open-label trial enrolled UD (N=58) and BD (N=22) patients who had failed 1 or more trials of adequate pharmacologic interventions (ClinicalTrials.gov ID: NCT03287037). Bifrontal tDCS (anode/cathode: F3/F4) was applied using a 2 mA current for 20 min, twice daily, for 5 consecutive weekdays. Depression was measured with Hamilton Depression Rating Scale-17 (HAMD) at baseline, after 10-session stimulation, 1- and 4-week follow-ups. Heart rate (HR) and heart rate variability (HRV) was measured at baseline, during the initial 5 min of the 1st session, after 10-session stimulation, 1- and 4-week follow-ups. Cognitive performance and other outcomes were also assessed. RESULTS Bifrontal tDCS rapidly and equally improved depression in both groups. The effects persisted until the end of the trial. Both groups had similar improvements in cognitive performance, anxiety, and psychosocial functioning. Compared with baseline, increased vagally-mediated HRV was observed one month after tDCS for both groups. A positive correlation was found between HR deceleration within the 1st session and treatment response after 10-session tDCS only among UD patients, explaining 20% of the variance. CONCLUSION tDCS as an adjunct therapy is effective for both UD and BD. Data suggest that the greater the increase in parasympathetic signaling during the 1st session, the better the clinical response after 10-session tDCS for UD patients.
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Affiliation(s)
- Yen-Yue Lin
- Department of Emergency Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan; Department of Emergency Medicine, Taoyuan Armed Forces General Hospital, Taoyuan, Taiwan; Department of Life Sciences, National Central University, Taoyuan, Taiwan
| | - Chuan-Chia Chang
- Department of Psychiatry, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | | | - Nian-Sheng Tzeng
- Department of Psychiatry, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Yu-Chen Kao
- Department of Psychiatry, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan; Department of Psychiatry, Tri-Service General Hospital Songshan Branch, National Defense Medical Center, Taipei, Taiwan
| | - Hsin-An Chang
- Department of Psychiatry, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
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26
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Gardoki-Souto I, Martín de la Torre O, Hogg B, Redolar-Ripoll D, Valiente-Gómez A, Martínez Sadurní L, Blanch JM, Lupo W, Pérez V, Radua J, Amann BL, Moreno-Alcázar A. Augmentation of EMDR with multifocal transcranial current stimulation (MtCS) in the treatment of fibromyalgia: study protocol of a double-blind randomized controlled exploratory and pragmatic trial. Trials 2021; 22:104. [PMID: 33514408 PMCID: PMC7844777 DOI: 10.1186/s13063-021-05042-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 01/12/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Fibromyalgia (FM) is a generalized, widespread chronic pain disorder affecting 2.7% of the general population. In recent years, different studies have observed a strong association between FM and psychological trauma. Therefore, a trauma-focused psychotherapy, such as eye movement desensitization and reprocessing (EMDR), combined with a non-invasive brain stimulation technique, such as multifocal transcranial current stimulation (MtCS), could be an innovative adjunctive treatment option. This double-blind randomized controlled trial (RCT) analyzes if EMDR therapy is effective in the reduction of pain symptoms in FM patients and if its potential is boosted with the addition of MtCS. METHODS Forty-five patients with FM and a history of traumatic events will be randomly allocated to Waiting List, EMDR + active-MtCS, or EMDR + sham-MtCS. Therapists and patients will be kept blind to MtCS conditions, and raters will be kept blind to both EMDR and MtCS. All patients will be evaluated at baseline, post-treatment, and follow-up at 6 months after post-treatment. Evaluations will assess the following variables: sociodemographic data, pain, psychological trauma, sleep disturbance, anxiety and affective symptoms, and wellbeing. DISCUSSION This study will provide evidence of whether EMDR therapy is effective in reducing pain symptoms in FM patients, and whether the effect of EMDR can be enhanced by MtCS. TRIAL REGISTRATION ClinicalTrials.gov NCT04084795 . Registered on 2 August 2019.
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Affiliation(s)
- I. Gardoki-Souto
- Centre Forum Research Unit, Institut de Neuropsiquiatria i Addiccions, Parc de Salut Mar, C/ Llull 410, 08019 Barcelona, Spain
- Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- Department of Psychiatry and Forensic Medicine, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | | | - B. Hogg
- Centre Forum Research Unit, Institut de Neuropsiquiatria i Addiccions, Parc de Salut Mar, C/ Llull 410, 08019 Barcelona, Spain
- Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- Department of Psychiatry and Forensic Medicine, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - D. Redolar-Ripoll
- Cognitive NeuroLab, Universitat Oberta de Catalunya (UOC), Barcelona, Spain
| | - A. Valiente-Gómez
- Centre Forum Research Unit, Institut de Neuropsiquiatria i Addiccions, Parc de Salut Mar, C/ Llull 410, 08019 Barcelona, Spain
- Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- Department of Psychiatry and Forensic Medicine, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
- Centro de Investigación Biomédica en Red Salud Mental (CIBERSAM), Madrid, Spain
| | - L. Martínez Sadurní
- Institut de Neuropsiquiatria i Addiccions (INAD), Parc de Salut Mar, Barcelona, Spain
| | - J. M. Blanch
- Service of Rheumatology, Parc de Salut Mar, Barcelona, Spain
| | - W. Lupo
- Centre Forum Research Unit, Institut de Neuropsiquiatria i Addiccions, Parc de Salut Mar, C/ Llull 410, 08019 Barcelona, Spain
| | - V. Pérez
- Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- Department of Psychiatry and Forensic Medicine, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
- Centro de Investigación Biomédica en Red Salud Mental (CIBERSAM), Madrid, Spain
| | - J. Radua
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
- Karolinska Institutet, Solna, Sweden
- King’s College, London, England
| | - B. L. Amann
- Centre Forum Research Unit, Institut de Neuropsiquiatria i Addiccions, Parc de Salut Mar, C/ Llull 410, 08019 Barcelona, Spain
- Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- Department of Psychiatry and Forensic Medicine, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
- Centro de Investigación Biomédica en Red Salud Mental (CIBERSAM), Madrid, Spain
| | - A. Moreno-Alcázar
- Centre Forum Research Unit, Institut de Neuropsiquiatria i Addiccions, Parc de Salut Mar, C/ Llull 410, 08019 Barcelona, Spain
- Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- Department of Psychiatry and Forensic Medicine, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
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27
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Bączyk M, Krutki P, Zytnicki D. Is there hope that transpinal direct current stimulation corrects motoneuron excitability and provides neuroprotection in amyotrophic lateral sclerosis? Physiol Rep 2021; 9:e14706. [PMID: 33463907 PMCID: PMC7814489 DOI: 10.14814/phy2.14706] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 12/06/2020] [Accepted: 12/08/2020] [Indexed: 12/14/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease of largely unknown pathophysiology, characterized by the progressive loss of motoneurons (MNs). We review data showing that in presymptomatic ALS mice, MNs display reduced intrinsic excitability and impaired level of excitatory inputs. The loss of repetitive firing specifically affects the large MNs innervating fast contracting muscle fibers, which are the most vulnerable MNs in ALS. Interventions that aimed at restoring either the intrinsic excitability or the synaptic excitation result in a decrease of disease markers in MNs and delayed neuromuscular junction denervation. We then focus on trans‐spinal direct current stimulation (tsDCS), a noninvasive tool, since it modulates the activity of spinal neurons and networks. Effects of tsDCS depend on the polarity of applied current. Recent work shows that anodal tsDCS induces long‐lasting enhancement of MN excitability and synaptic excitation of spinal MNs. Moreover, we show preliminary results indicating that anodal tsDCS enhances the excitatory synaptic inputs to MNs in ALS mice. In conclusion, we suggest that chronic application of anodal tsDCS might be useful as a complementary method in the management of ALS patients.
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Affiliation(s)
- Marcin Bączyk
- Department of Neurobiology, Poznan University of Physical Education, Poznań, Poland
| | - Piotr Krutki
- Department of Neurobiology, Poznan University of Physical Education, Poznań, Poland
| | - Daniel Zytnicki
- Université de Paris, Centre National de la Recherche Scientifique (CNRS), Saints-Pères Paris Institute for the Neurosciences (SPPIN), Paris, France
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28
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Van Schuerbeek A, Vanderhasselt MA, Baeken C, Pierre A, Smolders I, Van Waes V, De Bundel D. Effects of repeated anodal transcranial direct current stimulation on auditory fear extinction in C57BL/6J mice. Brain Stimul 2021; 14:250-260. [PMID: 33454396 DOI: 10.1016/j.brs.2021.01.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 01/07/2021] [Accepted: 01/08/2021] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND Trauma-based psychotherapy is a first line treatment for post-traumatic stress disorder (PTSD) but not all patients achieve long-term remission. Transcranial direct current stimulation (tDCS) received considerable attention as a neuromodulation method that may improve trauma-based psychotherapy. OBJECTIVE We explored the effects of repeated anodal tDCS over the prefrontal cortex (PFC) on fear extinction in mice as a preclinical model for trauma-based psychotherapy. METHODS We performed auditory fear conditioning with moderate or high shock intensity on C57BL6/J mice. Next, mice received anodal tDCS (0.2 mA, 20 min) or sham stimulation over the PFC twice daily for five consecutive days. Extinction training was performed by repeatedly exposing mice to the auditory cue the day after the last stimulation session. Early and late retention of extinction were evaluated one day and three weeks after extinction training respectively. RESULTS We observed no significant effect of tDCS on the acquisition or retention of fear extinction in mice subjected to fear conditioning with moderate intensity. However, when the intensity of fear conditioning was high, tDCS significantly lowered freezing during the acquisition of extinction, regardless of the extinction protocol. Moreover, when tDCS was combined with a strong extinction protocol, we also observed a significant improvement of early extinction recall. Finally, we found that tDCS reduced generalized fear induced by contextual cues when the intensity of conditioning is high and extinction training limited. CONCLUSIONS Our data provide a rationale to further explore anodal tDCS over the PFC as potential support for trauma-based psychotherapy for PTSD.
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Affiliation(s)
- Andries Van Schuerbeek
- Department of Pharmaceutical Sciences, Research Group Experimental Pharmacology, Center for Neurosciences (C4N), Vrije Universiteit Brussel, Laarbeeklaan 103, 1090, Brussels, Belgium.
| | - Marie-Anne Vanderhasselt
- Department of Experimental Clinical and Health Psychology, Universiteit Gent - C, Heymanslaan 10, 9000, Gent, Belgium.
| | - Chris Baeken
- Department of Psychiatry and Medical Psychology, Ghent Experimental Psychiatry (GHEP) Lab, Universiteit Gent - C, Heymanslaan 10, 9000, Gent, Belgium; Department of Psychiatry, UZBrussel, Laarbeeklaan 103, 1090, Brussels, Belgium.
| | - Anouk Pierre
- Department of Pharmaceutical Sciences, Research Group Experimental Pharmacology, Center for Neurosciences (C4N), Vrije Universiteit Brussel, Laarbeeklaan 103, 1090, Brussels, Belgium
| | - Ilse Smolders
- Department of Pharmaceutical Sciences, Research Group Experimental Pharmacology, Center for Neurosciences (C4N), Vrije Universiteit Brussel, Laarbeeklaan 103, 1090, Brussels, Belgium.
| | - Vincent Van Waes
- Laboratory of Clinical and Integrative Neuroscience, EA481, Université Bourgogne Franche-Comté, 19 rue Ambroise Paré, 25030, Besancon, Cedex, France.
| | - Dimitri De Bundel
- Department of Pharmaceutical Sciences, Research Group Experimental Pharmacology, Center for Neurosciences (C4N), Vrije Universiteit Brussel, Laarbeeklaan 103, 1090, Brussels, Belgium.
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Romanella SM, Sprugnoli G, Ruffini G, Seyedmadani K, Rossi S, Santarnecchi E. Noninvasive Brain Stimulation & Space Exploration: Opportunities and Challenges. Neurosci Biobehav Rev 2020; 119:294-319. [PMID: 32937115 PMCID: PMC8361862 DOI: 10.1016/j.neubiorev.2020.09.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 05/22/2020] [Accepted: 09/03/2020] [Indexed: 01/11/2023]
Abstract
As NASA prepares for longer space missions aiming for the Moon and Mars, astronauts' health and performance are becoming a central concern due to the threats associated with galactic cosmic radiation, unnatural gravity fields, and life in extreme environments. In space, the human brain undergoes functional and structural changes related to fluid shift and changes in intracranial pressure. Behavioral abnormalities, such as cognitive deficits, sleep disruption, and visuomotor difficulties, as well as psychological effects, are also an issue. We discuss opportunities and challenges of noninvasive brain stimulation (NiBS) methods - including transcranial magnetic stimulation (TMS) and transcranial electrical stimulation (tES) - to support space exploration in several ways. NiBS includes safe and portable techniques already applied in a wide range of cognitive and motor domains, as well as therapeutically. NiBS could be used to enhance in-flight performance, supporting astronauts during pre-flight Earth-based training, as well as to identify biomarkers of post-flight brain changes for optimization of rehabilitation/compensatory strategies. We review these NiBS techniques and their effects on brain physiology, psychology, and cognition.
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Affiliation(s)
- S M Romanella
- Siena Brain Investigation & Neuromodulation Lab (Si-BIN Lab), Department of Medicine, Surgery and Neuroscience, Neurology and Clinical Neurophysiology Section, University of Siena, Italy
| | - G Sprugnoli
- Berenson-Allen Center for Noninvasive Brain Stimulation, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA; Radiology Unit, Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - G Ruffini
- Neuroelectrics Corporation, Cambridge, MA, USA
| | - K Seyedmadani
- University Space Research Association NASA Johnson Space Center, Houston, TX, USA; Ann and H.J. Smead Aerospace Engineering Sciences, University of Colorado, Boulder, CO, USA
| | - S Rossi
- Siena Brain Investigation & Neuromodulation Lab (Si-BIN Lab), Department of Medicine, Surgery and Neuroscience, Neurology and Clinical Neurophysiology Section, University of Siena, Italy; Human Physiology Section, Department of Medicine, Surgery and Neuroscience, University of Siena, Siena, Italy
| | - E Santarnecchi
- Siena Brain Investigation & Neuromodulation Lab (Si-BIN Lab), Department of Medicine, Surgery and Neuroscience, Neurology and Clinical Neurophysiology Section, University of Siena, Italy; Berenson-Allen Center for Noninvasive Brain Stimulation, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
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Bączyk M, Drzymała-Celichowska H, Mrówczyński W, Krutki P. Polarity-dependent adaptations of motoneuron electrophysiological properties after 5-wk transcutaneous spinal direct current stimulation in rats. J Appl Physiol (1985) 2020; 129:646-655. [DOI: 10.1152/japplphysiol.00301.2020] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Transcutaneous spinal direct current stimulation applied systematically for 5 wk evoked polarity-dependent adaptations in the electrophysiological properties of rat spinal motoneurons. After anodal polarization sessions, motoneurons became more excitable and could evoke higher maximum discharge frequencies during repetitive firing than motoneurons in the sham polarization group. However, no significant adaptive changes of motoneuron properties were observed after repeated cathodal polarization in comparison with the sham control group.
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Affiliation(s)
- Marcin Bączyk
- Department of Neurobiology, Poznań University of Physical Education, Poznań, Poland
| | - Hanna Drzymała-Celichowska
- Department of Neurobiology, Poznań University of Physical Education, Poznań, Poland
- Department of Biochemistry, Poznań University of Physical Education, Poznań, Poland
| | | | - Piotr Krutki
- Department of Neurobiology, Poznań University of Physical Education, Poznań, Poland
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Harika-Germaneau G, Heit D, Chatard A, Thirioux B, Langbour N, Jaafari N. Treating refractory obsessive-compulsive disorder with transcranial direct current stimulation: An open label study. Brain Behav 2020; 10:e01648. [PMID: 32406608 PMCID: PMC7375126 DOI: 10.1002/brb3.1648] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 03/30/2020] [Accepted: 04/03/2020] [Indexed: 11/11/2022] Open
Abstract
BACKGROUND Obsessive-compulsive disorder (OCD) is a complex disorder with 40%-60% of patients' refractory to treatment. Transcranial direct current stimulation (tDCS) has been shown to induce potent and long-lasting effects on cortical excitability. The aim of the present clinical trial was to evaluate the therapeutic efficacy and tolerability of cathodal tDCS over the supplementary motor area (SMA) in treatment-resistant OCD patients. METHODS Twenty-one treatment-resistant OCD outpatients received 10 sessions of tDCS. Each treatment session consisted of 2 mA stimuli for 30 min. The cathode was positioned over the bilateral SMA and the anode over the right supraorbital area. Patients were evaluated at baseline, end of treatment, one-month follow-up, and three-month follow-up. Response to treatment was defined as at least a decrease of 35% on the Yale-Brown Obsessive-Compulsive Scale (YBOCS) and a score of 2 or less on the Clinical Global Impressions-Improvement (CGI-I) between baseline and 1-month follow-up. RESULTS There was a significant decrease of YBOCS scores between baseline and one-month assessment. At one month, five patients (24%) were considered as responders and 3 (15%) at 3 months. We also observed concomitant changes in depressive symptoms, and insight. The treatment was well tolerated. Short-lasting side effects were reported as localized tingling sensation and skin redness. CONCLUSION Our results suggest that the use of cathodal tDCS over the SMA and anodal tDCS over the right supraorbital area in OCD treatment-refractory patients is safe and promising to improve obsessive and compulsive symptoms. Large randomized controlled trials are needed to confirm this positive result.
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Affiliation(s)
- Ghina Harika-Germaneau
- Unité de Recherché Clinique Intersectorielle en Psychiatrie à vocation régionale, Centre Hospitalier Henri Laborit, Poitiers, France.,Université de Poitiers, Poitiers, France.,Laboratoire de Neurosciences Expérimentales et Cliniques, INSERM U 1084, Poitiers, France
| | - Damien Heit
- Unité de Recherché Clinique Intersectorielle en Psychiatrie à vocation régionale, Centre Hospitalier Henri Laborit, Poitiers, France
| | - Armand Chatard
- Unité de Recherché Clinique Intersectorielle en Psychiatrie à vocation régionale, Centre Hospitalier Henri Laborit, Poitiers, France.,Université de Poitiers, Poitiers, France.,Laboratoire CeRCA, CNRS 7295, Poitiers, France
| | - Berangere Thirioux
- Unité de Recherché Clinique Intersectorielle en Psychiatrie à vocation régionale, Centre Hospitalier Henri Laborit, Poitiers, France
| | - Nicolas Langbour
- Unité de Recherché Clinique Intersectorielle en Psychiatrie à vocation régionale, Centre Hospitalier Henri Laborit, Poitiers, France
| | - Nemat Jaafari
- Unité de Recherché Clinique Intersectorielle en Psychiatrie à vocation régionale, Centre Hospitalier Henri Laborit, Poitiers, France.,Université de Poitiers, Poitiers, France.,Laboratoire de Neurosciences Expérimentales et Cliniques, INSERM U 1084, Poitiers, France
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Jog M, Jann K, Yan L, Huang Y, Parra L, Narr K, Bikson M, Wang DJJ. Concurrent Imaging of Markers of Current Flow and Neurophysiological Changes During tDCS. Front Neurosci 2020; 14:374. [PMID: 32372913 PMCID: PMC7186453 DOI: 10.3389/fnins.2020.00374] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 03/26/2020] [Indexed: 11/13/2022] Open
Abstract
Despite being a popular neuromodulation technique, clinical translation of transcranial direct current stimulation (tDCS) is hampered by variable responses observed within treatment cohorts. Addressing this challenge has been difficult due to the lack of an effective means of mapping the neuromodulatory electromagnetic fields together with the brain's response. In this study, we present a novel imaging technique that provides the capability of concurrently mapping markers of tDCS currents, as well as the brain's response to tDCS. A dual-echo echo-planar imaging (DE-EPI) sequence is used, wherein the phase of the acquired MRI-signal encodes the tDCS current induced magnetic field, while the magnitude encodes the blood oxygenation level dependent (BOLD) contrast. The proposed technique was first validated in a custom designed phantom. Subsequent test-retest experiments in human participants showed that tDCS-induced magnetic fields can be detected reliably in vivo. The concurrently acquired BOLD data revealed large-scale networks characteristic of a brain in resting-state as well as a 'cathodal' and an 'anodal' resting-state component under each electrode. Moreover, 'cathodal's BOLD-signal was observed to significantly decrease with the applied current at the group level in all datasets. With its ability to image markers of electromagnetic cause as well as neurophysiological changes, the proposed technique may provide an effective means to visualize neural engagement in tDCS at the group level. Our technique also contributes to addressing confounding factors in applying BOLD fMRI concurrently with tDCS.
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Affiliation(s)
- Mayank Jog
- Laboratory of FMRI Technology, Stevens Neuroimaging and Informatics Institute, University of Southern California, Los Angeles, CA, United States.,Department of Neurology, University of California, Los Angeles, Los Angeles, CA, United States
| | - Kay Jann
- Laboratory of FMRI Technology, Stevens Neuroimaging and Informatics Institute, University of Southern California, Los Angeles, CA, United States
| | - Lirong Yan
- Laboratory of FMRI Technology, Stevens Neuroimaging and Informatics Institute, University of Southern California, Los Angeles, CA, United States
| | - Yu Huang
- Department of Biomedical Engineering, the City College of The City University of New York, New York, NY, United States
| | - Lucas Parra
- Department of Biomedical Engineering, the City College of The City University of New York, New York, NY, United States
| | - Katherine Narr
- Department of Neurology, University of California, Los Angeles, Los Angeles, CA, United States
| | - Marom Bikson
- Department of Biomedical Engineering, the City College of The City University of New York, New York, NY, United States
| | - Danny J J Wang
- Laboratory of FMRI Technology, Stevens Neuroimaging and Informatics Institute, University of Southern California, Los Angeles, CA, United States
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Dutra LRDV, Pegado R, Silva LK, da Silva Dantas H, Câmara HA, Silva-Filho EM, Correia GN, Micussi MTABC. Modulating Anxiety and Functional Capacity with Anodal tDCS Over the Left Dorsolateral Prefrontal Cortex in Primary Dysmenorrhea. Int J Womens Health 2020; 12:243-251. [PMID: 32308497 PMCID: PMC7147620 DOI: 10.2147/ijwh.s226501] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 01/03/2020] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Primary dysmenorrhea is a common and often debilitating condition affecting 40-90% of menstruating women. This condition reduces functionality, quality of life, and social activities. Transcranial direct current stimulation (tDCS) has been used in many chronic pain syndromes, with evidence of improved pain, functionality, and mood in women with primary dysmenorrhea. The objective of this study was to determine whether tDCS could offer clinical benefits on pain, anxiety, affectivity, and functionality in women with primary dysmenorrhea. METHODS This parallel, sham, randomized, double-blind trial was conducted with 26 women randomized into sham tDCS and active tDCS. Anodal tDCS was applied for 5 consecutive days over F3 corresponding to the left dorsolateral prefrontal cortex (DLPFC) and the cathode electrode over Fp2 for 20 min with an intensity of 2 mA. A numeric rating scale (NRS) was used to assess pain, anxiety, positive and negative affect, and submaximal aerobic performance during two consecutive menstrual cycles. RESULTS No significant interaction was found between intervention and time on the NRS [F(2,44) = 1.358, p = 0.26], and a significant main effect of time [F(2,44) = 4.446, p = 0.01] was found. The active group showed a significant reduction in anxiety (p = 0.03) with a mean difference of 5.12 (95% CI 0.79 to 11.05). No significant differences in positive and negative affect were found (p = 0.95 and p = 0.15, respectively). Submaximal aerobic performance was significantly greater in the active group [F(2,21) = 5.591, p = 0.02], with a mean difference of 70.87 (95% CI 8.53 to 133.21). CONCLUSION Anodal tDCS over the DLPFC seems to be an effective therapeutic approach for improving anxiety and functionality in women with primary dysmenorrhea.
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Affiliation(s)
| | - Rodrigo Pegado
- Graduate Program in Rehabilitation Science, Federal University of Rio Grande do Norte, Rio Grande do Norte, Brazil
| | - Luana Karyne Silva
- Graduate Program in Rehabilitation Science, Federal University of Rio Grande do Norte, Rio Grande do Norte, Brazil
| | - Hégila da Silva Dantas
- Graduate Program in Rehabilitation Science, Federal University of Rio Grande do Norte, Rio Grande do Norte, Brazil
| | - Hialison Andrade Câmara
- Graduate Program in Rehabilitation Science, Federal University of Rio Grande do Norte, Rio Grande do Norte, Brazil
| | - Edson Meneses Silva-Filho
- Graduate Program in Rehabilitation Science, Federal University of Rio Grande do Norte, Rio Grande do Norte, Brazil
| | - Grasiéla Nascimento Correia
- Graduate Program in Rehabilitation Science, Federal University of Rio Grande do Norte, Rio Grande do Norte, Brazil
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Safety and efficacy of transcranial direct current stimulation (tDCS) in the treatment of Anorexia Nervosa. The open-label STAR study. Brain Stimul 2019; 12:1325-1327. [DOI: 10.1016/j.brs.2019.06.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 06/05/2019] [Accepted: 06/17/2019] [Indexed: 01/21/2023] Open
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Attenuating anger and aggression with neuromodulation of the vmPFC: A simultaneous tDCS-fMRI study. Cortex 2018; 109:156-170. [PMID: 30343211 DOI: 10.1016/j.cortex.2018.09.010] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 08/20/2018] [Accepted: 09/13/2018] [Indexed: 12/22/2022]
Abstract
Angry outbursts during interpersonal provocations may lead to violence and prevails in numerous pathological conditions. In the anger-infused Ultimatum Game (aiUG), unfair monetary offers accompanied by written provocations induce anger. Rejection of such offers relates to aggression, whereas acceptance to anger regulation. We previously demonstrated the involvement of the ventro-medial prefrontal cortex (vmPFC) in accepting unfair offers and attenuating anger during an aiUG, suggestive of its role in anger regulation. Here, we aimed to enhance anger regulation by facilitating vmPFC activity during anger induction, using anodal transcranial direct current stimulation (tDCS) and simultaneously with functional Magnetic Resonance Imaging to validate modulation of vmPFC activity. In a cross-over, sham-controlled, double-blind study, participants (N = 25) were each scanned twice, counterbalancing sham and active tDCS applied during administration of the aiUG. Outcome measures included the effect of active versus sham stimulation on vmPFC activity, unfair offers' acceptance rates, self-reported anger, and aggressive behavior in a subsequent reactive aggression paradigm. Results indicate that active stimulation led to increased vmPFC activity during the processing of unfair offers, increased acceptance rates of these offers, and mitigated the increase in self-reported anger following the aiUG. We also noted a decrease in subsequent aggressive behavior following active stimulation, but only when active stimulation was conducted in the first experimental session. Finally, an exploratory finding indicated that participants with a stronger habitual tendency to use suppression as an emotion regulation strategy, reported less anger following the aiUG in the active compared to sham stimulation conditions. Findings support a potential causal link between vmPFC functionality and the experience and expression of anger, supporting vmPFC's role in anger regulation, and providing a promising avenue for reducing angry and aggressive outbursts during interpersonal provocations in various psychiatric and medical conditions.
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Testing assumptions on prefrontal transcranial direct current stimulation: Comparison of electrode montages using multimodal fMRI. Brain Stimul 2018; 11:998-1007. [DOI: 10.1016/j.brs.2018.05.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Revised: 03/25/2018] [Accepted: 05/01/2018] [Indexed: 11/19/2022] Open
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Transcranial Direct Current Stimulation (tDCS): A Promising Treatment for Major Depressive Disorder? Brain Sci 2018; 8:brainsci8050081. [PMID: 29734768 PMCID: PMC5977072 DOI: 10.3390/brainsci8050081] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Revised: 04/19/2018] [Accepted: 05/03/2018] [Indexed: 12/28/2022] Open
Abstract
Background: Transcranial direct current stimulation (tDCS) opens new perspectives in the treatment of major depressive disorder (MDD), because of its ability to modulate cortical excitability and induce long-lasting effects. The aim of this review is to summarize the current status of knowledge regarding tDCS application in MDD. Methods: In this review, we searched for articles published in PubMed/MEDLINE from the earliest available date to February 2018 that explored clinical and cognitive effects of tDCS in MDD. Results: Despite differences in design and stimulation parameters, the examined studies indicated beneficial effects of tDCS for MDD. These preliminary results, the non-invasiveness of tDCS, and its good tolerability support the need for further research on this technique. Conclusions: tDCS constitutes a promising therapeutic alternative for patients with MDD, but its place in the therapeutic armamentarium remains to be determined.
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Bose A, Shivakumar V, Agarwal SM, Kalmady SV, Shenoy S, Sreeraj VS, Narayanaswamy JC, Venkatasubramanian G. Efficacy of fronto-temporal transcranial direct current stimulation for refractory auditory verbal hallucinations in schizophrenia: A randomized, double-blind, sham-controlled study. Schizophr Res 2018; 195:475-480. [PMID: 28866447 DOI: 10.1016/j.schres.2017.08.047] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2017] [Revised: 08/23/2017] [Accepted: 08/23/2017] [Indexed: 10/18/2022]
Abstract
Persistent auditory verbal hallucinations (AVH) that are refractory to antipsychotic medications are reported in about 20-30% of schizophrenia patients. Transcranial Direct Current Stimulation (tDCS), a non-invasive and safe neuromodulatory technique, has attracted significant interest as an add-on treatment for refractory AVH in schizophrenia. Studies examining the efficacy of tDCS for refractory AVH in schizophrenia have reported inconsistent findings. In this study, using a randomized, double-blind, sham-controlled design (RCT), we sought to examine the effect of add-on tDCS [anode corresponding to left dorsolateral prefrontal cortex and cathode to left temporo-parietal junction; 2-mA, twice-daily sessions for 5-days] to treat refractory AVH in schizophrenia patients (N=25); following this RCT phase, patients that had <30% reduction in AVH severity were offered an open-label extension (OLE) active stimulation to evaluate the effect of cross-over to verum tDCS. In the RCT phase, repeated measures ANOVA with tDCS type [verum (N=12) vs. sham (N=13)] as between subjects factor demonstrated a significant tDCS-type X time-point interaction [F=21.5, p<0.001, partial-η2=0.48] with significantly greater reduction of AVH score in verum tDCS group as compared to sham group. In the OLE phase, sham-to-verum crossed over patients (N=13) showed significantly greater reduction in AVH severity than their corresponding change during RCT phase (t=2.9; p=0.01). Together, these observations add further support to the beneficial effects of add-on tDCS to treat refractory AVH schizophrenia.
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Affiliation(s)
- Anushree Bose
- WISER Program, Schizophrenia Clinic, Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, India
| | - Venkataram Shivakumar
- WISER Program, Schizophrenia Clinic, Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, India
| | - Sri Mahavir Agarwal
- WISER Program, Schizophrenia Clinic, Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, India
| | - Sunil V Kalmady
- WISER Program, Schizophrenia Clinic, Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, India
| | - Sonia Shenoy
- WISER Program, Schizophrenia Clinic, Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, India
| | - Vanteemar S Sreeraj
- WISER Program, Schizophrenia Clinic, Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, India
| | - Janardhanan C Narayanaswamy
- WISER Program, Schizophrenia Clinic, Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, India
| | - Ganesan Venkatasubramanian
- WISER Program, Schizophrenia Clinic, Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, India.
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Sampaio-Junior B, Tortella G, Borrione L, Moffa AH, Machado-Vieira R, Cretaz E, Fernandes da Silva A, Fraguas R, Aparício LV, Klein I, Lafer B, Goerigk S, Benseñor IM, Lotufo PA, Gattaz WF, Brunoni AR. Efficacy and Safety of Transcranial Direct Current Stimulation as an Add-on Treatment for Bipolar Depression: A Randomized Clinical Trial. JAMA Psychiatry 2018; 75:158-166. [PMID: 29282470 PMCID: PMC5838572 DOI: 10.1001/jamapsychiatry.2017.4040] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2017] [Accepted: 11/03/2017] [Indexed: 12/15/2022]
Abstract
Importance More effective, tolerable interventions for bipolar depression treatment are needed. Transcranial direct current stimulation (tDCS) is a novel therapeutic modality with few severe adverse events that showed promising results for unipolar depression. Objective To determine the efficacy and safety of tDCS as an add-on treatment for bipolar depression. Design, Setting, and Participants A randomized, sham-controlled, double-blind trial (the Bipolar Depression Electrical Treatment Trial [BETTER]) was conducted from July 1, 2014, to March 30, 2016, at an outpatient, single-center academic setting. Participants included 59 adults with type I or II bipolar disorder in a major depressive episode and receiving a stable pharmacologic regimen with 17-item Hamilton Depression Rating Scale (HDRS-17) scores higher than 17. Data were analyzed in the intention-to-treat sample. Interventions Ten daily 30-minute, 2-mA, anodal-left and cathodal-right prefrontal sessions of active or sham tDCS on weekdays and then 1 session every fortnight until week 6. Main Outcomes and Measures Change in HDRS-17 scores at week 6. Results Fifty-nine patients (40 [68%] women), with a mean (SD) age of 45.9 (12) years participated; 36 (61%) with bipolar I and 23 (39%) with bipolar II disorder were randomized and 52 finished the trial. In the intention-to-treat analysis, patients in the active tDCS condition showed significantly superior improvement compared with those receiving sham (βint = -1.68; number needed to treat, 5.8; 95% CI, 3.3-25.8; P = .01). Cumulative response rates were higher in the active vs sham groups (67.6% vs 30.4%; number needed to treat, 2.69; 95% CI, 1.84-4.99; P = .01), but not remission rates (37.4% vs 19.1%; number needed to treat, 5.46; 95% CI, 3.38-14.2; P = .18). Adverse events, including treatment-emergent affective switches, were similar between groups, except for localized skin redness that was higher in the active group (54% vs 19%; P = .01). Conclusions and Relevance In this trial, tDCS was an effective, safe, and tolerable add-on intervention for this small bipolar depression sample. Further trials should examine tDCS efficacy in a larger sample. Trial Registration clinicaltrials.gov Identifier: NCT02152878.
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Affiliation(s)
- Bernardo Sampaio-Junior
- Center for Clinical and Epidemiological Research & Interdisciplinary Center for Applied Neuromodulation, University Hospital, University of São Paulo, São Paulo, Brazil
- Service of Interdisciplinary Neuromodulation, Department and Institute of Psychiatry, University of São Paulo Medical School, São Paulo, Brazil
- Laboratory of Neuroscience and National Institute of Biomarkers in Psychiatry, Department and Institute of Psychiatry, University of São Paulo Medical School, São Paulo, Brazil
| | - Gabriel Tortella
- Center for Clinical and Epidemiological Research & Interdisciplinary Center for Applied Neuromodulation, University Hospital, University of São Paulo, São Paulo, Brazil
- Service of Interdisciplinary Neuromodulation, Department and Institute of Psychiatry, University of São Paulo Medical School, São Paulo, Brazil
- Laboratory of Neuroscience and National Institute of Biomarkers in Psychiatry, Department and Institute of Psychiatry, University of São Paulo Medical School, São Paulo, Brazil
| | - Lucas Borrione
- Center for Clinical and Epidemiological Research & Interdisciplinary Center for Applied Neuromodulation, University Hospital, University of São Paulo, São Paulo, Brazil
- Service of Interdisciplinary Neuromodulation, Department and Institute of Psychiatry, University of São Paulo Medical School, São Paulo, Brazil
| | - Adriano H. Moffa
- Center for Clinical and Epidemiological Research & Interdisciplinary Center for Applied Neuromodulation, University Hospital, University of São Paulo, São Paulo, Brazil
- Service of Interdisciplinary Neuromodulation, Department and Institute of Psychiatry, University of São Paulo Medical School, São Paulo, Brazil
| | - Rodrigo Machado-Vieira
- Laboratory of Neuroscience and National Institute of Biomarkers in Psychiatry, Department and Institute of Psychiatry, University of São Paulo Medical School, São Paulo, Brazil
- Experimental Therapeutics and Molecular Pathophysiology Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston
| | - Eric Cretaz
- Bipolar Disorder Research Program, Department and Institute of Psychiatry, University of São Paulo Medical School, São Paulo, Brazil
| | - Adriano Fernandes da Silva
- Center for Clinical and Epidemiological Research & Interdisciplinary Center for Applied Neuromodulation, University Hospital, University of São Paulo, São Paulo, Brazil
- Service of Interdisciplinary Neuromodulation, Department and Institute of Psychiatry, University of São Paulo Medical School, São Paulo, Brazil
| | - Renério Fraguas
- Center for Clinical and Epidemiological Research & Interdisciplinary Center for Applied Neuromodulation, University Hospital, University of São Paulo, São Paulo, Brazil
| | - Luana V. Aparício
- Center for Clinical and Epidemiological Research & Interdisciplinary Center for Applied Neuromodulation, University Hospital, University of São Paulo, São Paulo, Brazil
- Service of Interdisciplinary Neuromodulation, Department and Institute of Psychiatry, University of São Paulo Medical School, São Paulo, Brazil
| | - Izio Klein
- Service of Interdisciplinary Neuromodulation, Department and Institute of Psychiatry, University of São Paulo Medical School, São Paulo, Brazil
| | - Beny Lafer
- Bipolar Disorder Research Program, Department and Institute of Psychiatry, University of São Paulo Medical School, São Paulo, Brazil
| | - Stephan Goerigk
- Department of Psychiatry and Psychotherapy, Ludwig-Maximilians-University, Munich, Germany
- Department of Psychological Methodology and Assessment, Ludwig-Maximilians-University, Munich, Germany
- Hochschule Fresenius, University of Applied Sciences, Munich, Germany
| | - Isabela Martins Benseñor
- Center for Clinical and Epidemiological Research & Interdisciplinary Center for Applied Neuromodulation, University Hospital, University of São Paulo, São Paulo, Brazil
| | - Paulo Andrade Lotufo
- Center for Clinical and Epidemiological Research & Interdisciplinary Center for Applied Neuromodulation, University Hospital, University of São Paulo, São Paulo, Brazil
| | - Wagner F. Gattaz
- Laboratory of Neuroscience and National Institute of Biomarkers in Psychiatry, Department and Institute of Psychiatry, University of São Paulo Medical School, São Paulo, Brazil
| | - André Russowsky Brunoni
- Center for Clinical and Epidemiological Research & Interdisciplinary Center for Applied Neuromodulation, University Hospital, University of São Paulo, São Paulo, Brazil
- Service of Interdisciplinary Neuromodulation, Department and Institute of Psychiatry, University of São Paulo Medical School, São Paulo, Brazil
- Laboratory of Neuroscience and National Institute of Biomarkers in Psychiatry, Department and Institute of Psychiatry, University of São Paulo Medical School, São Paulo, Brazil
- Department of Psychiatry and Psychotherapy, Ludwig-Maximilians-University, Munich, Germany
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Külzow N, Cavalcanti de Sousa AV, Cesarz M, Hanke JM, Günsberg A, Harder S, Koblitz S, Grittner U, Flöel A. No Effects of Non-invasive Brain Stimulation on Multiple Sessions of Object-Location-Memory Training in Healthy Older Adults. Front Neurosci 2018; 11:746. [PMID: 29375290 PMCID: PMC5767718 DOI: 10.3389/fnins.2017.00746] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Accepted: 12/20/2017] [Indexed: 01/03/2023] Open
Abstract
Object-location memory (OLM) is known to decline with normal aging, a process accelerated in pathological conditions like mild cognitive impairment (MCI). In order to maintain cognitive health and to delay the transition from healthy to pathological conditions, novel strategies are being explored. Tentative evidence suggests that combining cognitive training and anodal transcranial direct current stimulation (atDCS), both reported to induce small and often inconsistent behavioral improvements, could generate larger or more consistent improvements or both, compared to each intervention alone. Here, we explored the combined efficacy of these techniques on OLM. In a subject-blind sham-controlled cross-over design 32 healthy older adults underwent a 3-day visuospatial training paired with either anodal (20 min) or sham (30 s) atDCS (1 mA, temporoparietal). Subjects were asked to learn the correct object-location pairings on a street map, shown over five learning blocks on each training day. Acquisition performance was assessed by accuracy on a given learning block in terms of percentage of correct responses. Training success (performance on last training day) and delayed memory after 1-month were analyzed by mixed model analysis and were controlled for gender, age, education, sequence of stimulation and baseline performance. Exploratory analysis of atDCS effects on within-session (online) and between-session (offline) memory performance were conducted. Moreover, transfer effects on similar trained (visuospatial) and less similar (visuo-constructive, verbal) untrained memory tasks were explored, both immediately after training, and on follow-up. We found that atDCS paired with OLM-training did not enhance success in training or performance in 1-month delayed memory or transfer tasks. In sum, this study did not support the notion that the combined atDCS-training approach improves immediate or delayed OLM in older adults. However, specifics of the experimental design, and a non-optimal timing of atDCS between sessions might have masked beneficial effects and should be more systematically addressed in future studies.
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Affiliation(s)
- Nadine Külzow
- Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Neurocure Cluster of Excellence, Berlin, Germany.,Clinical Research Unit, Berlin Institute of Health, Berlin, Germany
| | - Angelica Vieira Cavalcanti de Sousa
- Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Neurocure Cluster of Excellence, Berlin, Germany
| | - Magda Cesarz
- Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Neurocure Cluster of Excellence, Berlin, Germany
| | - Julie-Marie Hanke
- Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Neurocure Cluster of Excellence, Berlin, Germany
| | - Alida Günsberg
- Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Neurocure Cluster of Excellence, Berlin, Germany
| | - Solvejg Harder
- Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Neurocure Cluster of Excellence, Berlin, Germany
| | - Swantje Koblitz
- Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Neurocure Cluster of Excellence, Berlin, Germany
| | - Ulrike Grittner
- Charité - Universitätsmedizin Berlin, Department of Biostatistics and Clinical Epidemiology, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany.,Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Center for Stroke Research, Berlin, Germany
| | - Agnes Flöel
- Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Neurocure Cluster of Excellence, Berlin, Germany.,Charité - Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Center for Stroke Research, Berlin, Germany.,Department of Neurology, University Medicine Greifswald, Greifswald, Germany
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Reti IM. Editorial. Int Rev Psychiatry 2017; 29:51-53. [PMID: 28523975 DOI: 10.1080/09540261.2017.1311480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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