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Aksu S, Indahlastari A, O'Shea A, Marsiske M, Cohen R, Alexander GE, DeKosky ST, Hishaw GA, Dai Y, Wu SS, Woods AJ. Facilitation of working memory capacity by transcranial direct current stimulation: a secondary analysis from the augmenting cognitive training in older adults (ACT) study. GeroScience 2024; 46:4075-4110. [PMID: 38789832 PMCID: PMC11336148 DOI: 10.1007/s11357-024-01205-0] [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: 02/14/2024] [Accepted: 05/13/2024] [Indexed: 05/26/2024] Open
Abstract
Aging is a public health concern with an ever-increasing magnitude worldwide. An array of neuroscience-based approaches like transcranial direct current stimulation (tDCS) and cognitive training have garnered attention in the last decades to ameliorate the effects of cognitive aging in older adults. This study evaluated the effects of 3 months of bilateral tDCS over the frontal cortices with multimodal cognitive training on working memory capacity. Two hundred ninety-two older adults without dementia were allocated to active or sham tDCS paired with cognitive training. These participants received repeated sessions of bilateral tDCS over the bilateral frontal cortices, combined with multimodal cognitive training. Working memory capacity was assessed with the digit span forward, backward, and sequencing tests. No baseline differences between active and sham groups were observed. Multiple linear regressions indicated more improvement of the longest digit span backward from baseline to post-intervention (p = 0.021) and a trend towards greater improvement (p = 0.056) of the longest digit span backward from baseline to 1 year in the active tDCS group. No significant between-group changes were observed for digit span forward or digit span sequencing. The present results provide evidence for the potential for tDCS paired with cognitive training to remediate age-related declines in working memory capacity. These findings are sourced from secondary outcomes in a large randomized clinical trial and thus deserve future targeted investigation in older adult populations.
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Affiliation(s)
- Serkan Aksu
- Center for Cognitive Aging and Memory, McKnight Brain Institute, University of Florida, Gainesville, FL, USA.
- Department of Clinical and Health Psychology, College of Public Health and Health Professions, University of Florida, Gainesville, FL, USA.
- Department of Physiology, Faculty of Medicine, Muğla Sıtkı Koçman University, Muğla, Turkey.
| | - Aprinda Indahlastari
- Center for Cognitive Aging and Memory, McKnight Brain Institute, University of Florida, Gainesville, FL, USA
- Department of Clinical and Health Psychology, College of Public Health and Health Professions, University of Florida, Gainesville, FL, USA
| | - Andrew O'Shea
- Center for Cognitive Aging and Memory, McKnight Brain Institute, University of Florida, Gainesville, FL, USA
- Department of Clinical and Health Psychology, College of Public Health and Health Professions, University of Florida, Gainesville, FL, USA
| | - Michael Marsiske
- Center for Cognitive Aging and Memory, McKnight Brain Institute, University of Florida, Gainesville, FL, USA
- Department of Clinical and Health Psychology, College of Public Health and Health Professions, University of Florida, Gainesville, FL, USA
| | - Ronald Cohen
- Center for Cognitive Aging and Memory, McKnight Brain Institute, University of Florida, Gainesville, FL, USA
- Department of Clinical and Health Psychology, College of Public Health and Health Professions, University of Florida, Gainesville, FL, USA
| | - Gene E Alexander
- Department of Psychiatry, Neuroscience and Physiological Sciences Graduate Interdisciplinary Programs, and BIO5 Institute, University of Arizona and Arizona Alzheimer's Disease Consortium, Tucson, AZ, USA
- Department of Psychology and Evelyn F. McKnight Brain Institute, University of Arizona, Tucson, AZ, USA
| | - Steven T DeKosky
- Center for Cognitive Aging and Memory, McKnight Brain Institute, University of Florida, Gainesville, FL, USA
- Department of Neurology, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Georg A Hishaw
- Department of Psychiatry, Neuroscience and Physiological Sciences Graduate Interdisciplinary Programs, and BIO5 Institute, University of Arizona and Arizona Alzheimer's Disease Consortium, Tucson, AZ, USA
| | - Yunfeng Dai
- Department of Biostatistics, College of Public Health and Health Professions, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Samuel S Wu
- Department of Biostatistics, College of Public Health and Health Professions, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Adam J Woods
- Center for Cognitive Aging and Memory, McKnight Brain Institute, University of Florida, Gainesville, FL, USA
- Department of Clinical and Health Psychology, College of Public Health and Health Professions, University of Florida, Gainesville, FL, USA
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Dalhuisen I, van Oostrom I, Spijker J, Wijnen B, van Exel E, van Mierlo H, de Waardt D, Arns M, Tendolkar I, van Eijndhoven P. rTMS as a Next Step in Antidepressant Nonresponders: A Randomized Comparison With Current Antidepressant Treatment Approaches. Am J Psychiatry 2024; 181:806-814. [PMID: 39108161 DOI: 10.1176/appi.ajp.20230556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/02/2024]
Abstract
OBJECTIVE Although repetitive transcranial magnetic stimulation (rTMS) is an effective treatment for depression, little is known about the comparative effectiveness of rTMS and other treatment options, such as antidepressants. In this multicenter randomized controlled trial, rTMS was compared with the next pharmacological treatment step in patients with treatment-resistant depression. METHODS Patients with unipolar nonpsychotic depression (N=89) with an inadequate response to at least two treatment trials were randomized to treatment with rTMS or to a switch of antidepressants, both in combination with psychotherapy. Treatment duration was 8 weeks and consisted of either 25 high-frequency rTMS sessions to the left dorsolateral prefrontal cortex or a switch of antidepressant medication following the Dutch treatment algorithm. The primary outcome was change in depression severity based on the Hamilton Depression Rating Scale (HAM-D). Secondary outcomes were response and remission rates as well as change in symptom dimensions (anhedonia, anxiety, sleep, rumination, and cognitive reactivity). Finally, expectations regarding treatment were assessed. RESULTS rTMS resulted in a significantly larger reduction in depressive symptoms than medication, which was also reflected in higher response (37.5% vs. 14.6%) and remission (27.1% vs. 4.9%) rates. A larger decrease in symptoms of anxiety and anhedonia was observed after rTMS compared with a switch in antidepressants, and no difference from the medication group was seen for symptom reductions in rumination, cognitive reactivity, and sleep disorders. Expectations regarding treatment correlated with changes in HAM-D scores. CONCLUSIONS In a sample of patients with moderately treatment-resistant depression, rTMS was more effective in reducing depressive symptoms than a switch of antidepressant medication. In addition, the findings suggest that the choice of treatment may be guided by specific symptom dimensions.
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Affiliation(s)
- Iris Dalhuisen
- Department of Psychiatry, Radboud University Medical Center, and Donders Institute for Brain, Cognition, and Behavior, Centre for Medical Neuroscience, Nijmegen, the Netherlands (Dalhuisen, Tendolkar, van Eijndhoven); Neurocare Clinics, Nijmegen, the Netherlands (van Oostrom); Depression Expertise Centre, Pro Persona Mental Health Care, and Behavioral Science Institute, Radboud University, Nijmegen, the Netherlands (Spijker); Center for Economic Evaluation, Trimbos Institute, Netherlands Institute of Mental Health and Addiction, Utrecht, the Netherlands (Wijnen); GGZ inGeest Specialized Mental Health Care, and Department of Psychiatry, Amsterdam University Medical Center, Amsterdam (van Exel); Department of Psychiatry and Psychology, St. Antonius Hospital, Utrecht/Nieuwegein, the Netherlands (van Mierlo); Department of Psychiatry, Elisabeth-TweeSteden Ziekenhuis Hospital, Tilburg, the Netherlands (de Waardt); Research Institute Brainclinics, Brainclinics Foundation, Nijmegen, the Netherlands (Arns); Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, the Netherlands (Arns)
| | - Iris van Oostrom
- Department of Psychiatry, Radboud University Medical Center, and Donders Institute for Brain, Cognition, and Behavior, Centre for Medical Neuroscience, Nijmegen, the Netherlands (Dalhuisen, Tendolkar, van Eijndhoven); Neurocare Clinics, Nijmegen, the Netherlands (van Oostrom); Depression Expertise Centre, Pro Persona Mental Health Care, and Behavioral Science Institute, Radboud University, Nijmegen, the Netherlands (Spijker); Center for Economic Evaluation, Trimbos Institute, Netherlands Institute of Mental Health and Addiction, Utrecht, the Netherlands (Wijnen); GGZ inGeest Specialized Mental Health Care, and Department of Psychiatry, Amsterdam University Medical Center, Amsterdam (van Exel); Department of Psychiatry and Psychology, St. Antonius Hospital, Utrecht/Nieuwegein, the Netherlands (van Mierlo); Department of Psychiatry, Elisabeth-TweeSteden Ziekenhuis Hospital, Tilburg, the Netherlands (de Waardt); Research Institute Brainclinics, Brainclinics Foundation, Nijmegen, the Netherlands (Arns); Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, the Netherlands (Arns)
| | - Jan Spijker
- Department of Psychiatry, Radboud University Medical Center, and Donders Institute for Brain, Cognition, and Behavior, Centre for Medical Neuroscience, Nijmegen, the Netherlands (Dalhuisen, Tendolkar, van Eijndhoven); Neurocare Clinics, Nijmegen, the Netherlands (van Oostrom); Depression Expertise Centre, Pro Persona Mental Health Care, and Behavioral Science Institute, Radboud University, Nijmegen, the Netherlands (Spijker); Center for Economic Evaluation, Trimbos Institute, Netherlands Institute of Mental Health and Addiction, Utrecht, the Netherlands (Wijnen); GGZ inGeest Specialized Mental Health Care, and Department of Psychiatry, Amsterdam University Medical Center, Amsterdam (van Exel); Department of Psychiatry and Psychology, St. Antonius Hospital, Utrecht/Nieuwegein, the Netherlands (van Mierlo); Department of Psychiatry, Elisabeth-TweeSteden Ziekenhuis Hospital, Tilburg, the Netherlands (de Waardt); Research Institute Brainclinics, Brainclinics Foundation, Nijmegen, the Netherlands (Arns); Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, the Netherlands (Arns)
| | - Ben Wijnen
- Department of Psychiatry, Radboud University Medical Center, and Donders Institute for Brain, Cognition, and Behavior, Centre for Medical Neuroscience, Nijmegen, the Netherlands (Dalhuisen, Tendolkar, van Eijndhoven); Neurocare Clinics, Nijmegen, the Netherlands (van Oostrom); Depression Expertise Centre, Pro Persona Mental Health Care, and Behavioral Science Institute, Radboud University, Nijmegen, the Netherlands (Spijker); Center for Economic Evaluation, Trimbos Institute, Netherlands Institute of Mental Health and Addiction, Utrecht, the Netherlands (Wijnen); GGZ inGeest Specialized Mental Health Care, and Department of Psychiatry, Amsterdam University Medical Center, Amsterdam (van Exel); Department of Psychiatry and Psychology, St. Antonius Hospital, Utrecht/Nieuwegein, the Netherlands (van Mierlo); Department of Psychiatry, Elisabeth-TweeSteden Ziekenhuis Hospital, Tilburg, the Netherlands (de Waardt); Research Institute Brainclinics, Brainclinics Foundation, Nijmegen, the Netherlands (Arns); Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, the Netherlands (Arns)
| | - Eric van Exel
- Department of Psychiatry, Radboud University Medical Center, and Donders Institute for Brain, Cognition, and Behavior, Centre for Medical Neuroscience, Nijmegen, the Netherlands (Dalhuisen, Tendolkar, van Eijndhoven); Neurocare Clinics, Nijmegen, the Netherlands (van Oostrom); Depression Expertise Centre, Pro Persona Mental Health Care, and Behavioral Science Institute, Radboud University, Nijmegen, the Netherlands (Spijker); Center for Economic Evaluation, Trimbos Institute, Netherlands Institute of Mental Health and Addiction, Utrecht, the Netherlands (Wijnen); GGZ inGeest Specialized Mental Health Care, and Department of Psychiatry, Amsterdam University Medical Center, Amsterdam (van Exel); Department of Psychiatry and Psychology, St. Antonius Hospital, Utrecht/Nieuwegein, the Netherlands (van Mierlo); Department of Psychiatry, Elisabeth-TweeSteden Ziekenhuis Hospital, Tilburg, the Netherlands (de Waardt); Research Institute Brainclinics, Brainclinics Foundation, Nijmegen, the Netherlands (Arns); Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, the Netherlands (Arns)
| | - Hans van Mierlo
- Department of Psychiatry, Radboud University Medical Center, and Donders Institute for Brain, Cognition, and Behavior, Centre for Medical Neuroscience, Nijmegen, the Netherlands (Dalhuisen, Tendolkar, van Eijndhoven); Neurocare Clinics, Nijmegen, the Netherlands (van Oostrom); Depression Expertise Centre, Pro Persona Mental Health Care, and Behavioral Science Institute, Radboud University, Nijmegen, the Netherlands (Spijker); Center for Economic Evaluation, Trimbos Institute, Netherlands Institute of Mental Health and Addiction, Utrecht, the Netherlands (Wijnen); GGZ inGeest Specialized Mental Health Care, and Department of Psychiatry, Amsterdam University Medical Center, Amsterdam (van Exel); Department of Psychiatry and Psychology, St. Antonius Hospital, Utrecht/Nieuwegein, the Netherlands (van Mierlo); Department of Psychiatry, Elisabeth-TweeSteden Ziekenhuis Hospital, Tilburg, the Netherlands (de Waardt); Research Institute Brainclinics, Brainclinics Foundation, Nijmegen, the Netherlands (Arns); Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, the Netherlands (Arns)
| | - Dieuwertje de Waardt
- Department of Psychiatry, Radboud University Medical Center, and Donders Institute for Brain, Cognition, and Behavior, Centre for Medical Neuroscience, Nijmegen, the Netherlands (Dalhuisen, Tendolkar, van Eijndhoven); Neurocare Clinics, Nijmegen, the Netherlands (van Oostrom); Depression Expertise Centre, Pro Persona Mental Health Care, and Behavioral Science Institute, Radboud University, Nijmegen, the Netherlands (Spijker); Center for Economic Evaluation, Trimbos Institute, Netherlands Institute of Mental Health and Addiction, Utrecht, the Netherlands (Wijnen); GGZ inGeest Specialized Mental Health Care, and Department of Psychiatry, Amsterdam University Medical Center, Amsterdam (van Exel); Department of Psychiatry and Psychology, St. Antonius Hospital, Utrecht/Nieuwegein, the Netherlands (van Mierlo); Department of Psychiatry, Elisabeth-TweeSteden Ziekenhuis Hospital, Tilburg, the Netherlands (de Waardt); Research Institute Brainclinics, Brainclinics Foundation, Nijmegen, the Netherlands (Arns); Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, the Netherlands (Arns)
| | - Martijn Arns
- Department of Psychiatry, Radboud University Medical Center, and Donders Institute for Brain, Cognition, and Behavior, Centre for Medical Neuroscience, Nijmegen, the Netherlands (Dalhuisen, Tendolkar, van Eijndhoven); Neurocare Clinics, Nijmegen, the Netherlands (van Oostrom); Depression Expertise Centre, Pro Persona Mental Health Care, and Behavioral Science Institute, Radboud University, Nijmegen, the Netherlands (Spijker); Center for Economic Evaluation, Trimbos Institute, Netherlands Institute of Mental Health and Addiction, Utrecht, the Netherlands (Wijnen); GGZ inGeest Specialized Mental Health Care, and Department of Psychiatry, Amsterdam University Medical Center, Amsterdam (van Exel); Department of Psychiatry and Psychology, St. Antonius Hospital, Utrecht/Nieuwegein, the Netherlands (van Mierlo); Department of Psychiatry, Elisabeth-TweeSteden Ziekenhuis Hospital, Tilburg, the Netherlands (de Waardt); Research Institute Brainclinics, Brainclinics Foundation, Nijmegen, the Netherlands (Arns); Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, the Netherlands (Arns)
| | - Indira Tendolkar
- Department of Psychiatry, Radboud University Medical Center, and Donders Institute for Brain, Cognition, and Behavior, Centre for Medical Neuroscience, Nijmegen, the Netherlands (Dalhuisen, Tendolkar, van Eijndhoven); Neurocare Clinics, Nijmegen, the Netherlands (van Oostrom); Depression Expertise Centre, Pro Persona Mental Health Care, and Behavioral Science Institute, Radboud University, Nijmegen, the Netherlands (Spijker); Center for Economic Evaluation, Trimbos Institute, Netherlands Institute of Mental Health and Addiction, Utrecht, the Netherlands (Wijnen); GGZ inGeest Specialized Mental Health Care, and Department of Psychiatry, Amsterdam University Medical Center, Amsterdam (van Exel); Department of Psychiatry and Psychology, St. Antonius Hospital, Utrecht/Nieuwegein, the Netherlands (van Mierlo); Department of Psychiatry, Elisabeth-TweeSteden Ziekenhuis Hospital, Tilburg, the Netherlands (de Waardt); Research Institute Brainclinics, Brainclinics Foundation, Nijmegen, the Netherlands (Arns); Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, the Netherlands (Arns)
| | - Philip van Eijndhoven
- Department of Psychiatry, Radboud University Medical Center, and Donders Institute for Brain, Cognition, and Behavior, Centre for Medical Neuroscience, Nijmegen, the Netherlands (Dalhuisen, Tendolkar, van Eijndhoven); Neurocare Clinics, Nijmegen, the Netherlands (van Oostrom); Depression Expertise Centre, Pro Persona Mental Health Care, and Behavioral Science Institute, Radboud University, Nijmegen, the Netherlands (Spijker); Center for Economic Evaluation, Trimbos Institute, Netherlands Institute of Mental Health and Addiction, Utrecht, the Netherlands (Wijnen); GGZ inGeest Specialized Mental Health Care, and Department of Psychiatry, Amsterdam University Medical Center, Amsterdam (van Exel); Department of Psychiatry and Psychology, St. Antonius Hospital, Utrecht/Nieuwegein, the Netherlands (van Mierlo); Department of Psychiatry, Elisabeth-TweeSteden Ziekenhuis Hospital, Tilburg, the Netherlands (de Waardt); Research Institute Brainclinics, Brainclinics Foundation, Nijmegen, the Netherlands (Arns); Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, the Netherlands (Arns)
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Brown R, Cherian K, Jones K, Wickham R, Gomez R, Sahlem G. Repetitive transcranial magnetic stimulation for post-traumatic stress disorder in adults. Cochrane Database Syst Rev 2024; 8:CD015040. [PMID: 39092744 PMCID: PMC11295260 DOI: 10.1002/14651858.cd015040.pub2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/04/2024]
Abstract
BACKGROUND The estimated lifetime prevalence of post-traumatic stress disorder (PTSD) in adults worldwide has been estimated at 3.9%. PTSD appears to contribute to alterations in neuronal network connectivity patterns. Current pharmacological and psychotherapeutic treatments for PTSD are associated with inadequate symptom improvement and high dropout rates. Repetitive transcranial magnetic stimulation (rTMS), a non-invasive therapy involving induction of electrical currents in cortical brain tissue, may be an important treatment option for PTSD to improve remission rates and for people who cannot tolerate existing treatments. OBJECTIVES To assess the effects of repetitive transcranial magnetic stimulation (rTMS) on post-traumatic stress disorder (PTSD) in adults. SEARCH METHODS We searched the Cochrane Common Mental Disorders Controlled Trials Register, CENTRAL, MEDLINE, Embase, three other databases, and two clinical trials registers. We checked reference lists of relevant articles. The most recent search was January 2023. SELECTION CRITERIA We included randomized controlled trials (RCTs) assessing the efficacy and safety of rTMS versus sham rTMS for PTSD in adults from any treatment setting, including veterans. Eligible trials employed at least five rTMS treatment sessions with both active and sham conditions. We included trials with combination interventions, where a pharmacological agent or psychotherapy was combined with rTMS for both intervention and control groups. We included studies meeting the above criteria regardless of whether they reported any of our outcomes of interest. DATA COLLECTION AND ANALYSIS Two review authors independently extracted data and assessed the risk of bias in accordance with Cochrane standards. Primary outcomes were PTSD severity immediately after treatment and serious adverse events during active treatment. Secondary outcomes were PTSD remission, PTSD response, PTSD severity at two follow-up time points after treatment, dropouts, and depression and anxiety severity immediately after treatment. MAIN RESULTS We included 13 RCTs in the review (12 published; 1 unpublished dissertation), with 577 participants. Eight studies included stand-alone rTMS treatment, four combined rTMS with an evidence-based psychotherapeutic treatment, and one investigated rTMS as an adjunctive to treatment-as-usual. Five studies were conducted in the USA, and some predominantly included white, male veterans. Active rTMS probably makes little to no difference to PTSD severity immediately following treatment (standardized mean difference (SMD) -0.14, 95% confidence interval (CI) -0.54 to 0.27; 3 studies, 99 participants; moderate-certainty evidence). We downgraded the certainty of evidence by one level for imprecision (sample size insufficient to detect a difference of medium effect size). We deemed one study as having a low risk of bias and the remaining two as having 'some concerns' for risk of bias. A sensitivity analysis of change-from-baseline scores enabled inclusion of a greater number of studies (6 studies, 252 participants). This analysis yielded a similar outcome to our main analysis but also indicated significant heterogeneity in efficacy across studies, including two studies with a high risk of bias. Reported rates of serious adverse events were low, with seven reported (active rTMS: 6; sham rTMS: 1). The evidence is very uncertain about the effect of active rTMS on serious adverse events (odds ratio (OR) 5.26, 95% CI 0.26 to 107.81; 5 studies, 251 participants; very low-certainty evidence [Active rTMS: 23/1000, sham rTMS: 4/1000]). We downgraded the evidence by one level for risk of bias and two levels for imprecision. We rated four of five studies as having a high risk of bias, and the fifth as 'some concerns' for bias. We were unable to assess PTSD remission immediately after treatment as none of the included studies reported this outcome. AUTHORS' CONCLUSIONS Based on moderate-certainty evidence, our review suggests that active rTMS probably makes little to no difference to PTSD severity immediately following treatment compared to sham stimulation. However, significant heterogeneity in efficacy was detected when we included a larger number of studies in sensitivity analysis. We observed considerable variety in participant and protocol characteristics across studies included in this review. For example, studies tended to be weighted towards inclusion of either male veterans or female civilians. Studies varied greatly in terms of the proportion of the sample with comorbid depression. Study protocols differed in treatment design and stimulation parameters (e.g. session number/duration, treatment course length, stimulation intensity/frequency, location of stimulation). These differences may affect efficacy, particularly when considering interactions with participant factors. Reported rates of serious adverse events were very low (< 1%) across active and sham conditions. It is uncertain whether rTMS increases the risk of serious adverse event occurrence, as our certainty of evidence was very low. Studies frequently lacked clear definitions for serious adverse events, as well as detail on tracking/assessment of data and information on the safety population. Increased reporting on these elements would likely aid the advancement of both research and clinical recommendations of rTMS for PTSD. Currently, there is insufficient evidence to meta-analyze PTSD remission, PTSD treatment response, and PTSD severity at different periods post-treatment. Further research into these outcomes could inform the clinical use of rTMS. Additionally, the relatively large contribution of data from trials that focused on white male veterans may limit the generalizability of our conclusions. This could be addressed by prioritizing recruitment of more diverse participant samples.
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Affiliation(s)
- Randi Brown
- Clinical Psychology, Palo Alto University, Palo Alto, CA, USA
| | - Kirsten Cherian
- Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA, USA
| | - Katherine Jones
- Sheffield Centre for Health and Related Research, University of Sheffield, Sheffield, UK
| | - Robert Wickham
- Department of Psychological Sciences, Northern Arizona University, Flagstaff, AZ, USA
| | - Rowena Gomez
- Clinical Psychology, Palo Alto University, Palo Alto, CA, USA
- Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA, USA
| | - Gregory Sahlem
- Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA, USA
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Bolandi M, Javanbakht M, Shaabani M, Bakhshi E. Effectiveness of bimodal stimulation of the auditory-somatosensory system in the treatment of tonal tinnitus. Am J Otolaryngol 2024; 45:104449. [PMID: 39116719 DOI: 10.1016/j.amjoto.2024.104449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2024] [Accepted: 07/29/2024] [Indexed: 08/10/2024]
Abstract
BACKGROUND AND OBJECTIVES The dorsal cochlear nucleus (DCN) is the interaction site of auditory and somatosensory system inputs. According to the stochastic resonance theory, hearing loss increases the neural activity of the somatosensory system in the DCN and causes tinnitus. it is possible to modulate this neural hyperactivity by applying random noise through the auditory and somatosensory systems (bimodal stimulation). Therefore, this study aimed to investigate the effectiveness of the bimodal intervention based on the theory of stochastic resonance. METHODS The study divided 34 participants into unimodal and bimodal groups with 17 subjects in each. The bimodal group received customized acoustic stimulation along with transcutaneous auricular vagus nerve stimulation (tAVNS) and the unimodal group received customized acoustic stimulation along with tAVNS as a sham. The treatment sessions in both groups were 6 sessions and each session lasted for 20 min. The participants were evaluated before, immediately after, and one month after the completion of the intervention sessions, using the Tinnitus Handicap Inventory (THI) questionnaire and the mismatch negativity (MMN) test. RESULTS After the intervention sessions, the results indicated a statistically significant decrease in THI scores and a significant increase in the MMN amplitude in the bimodal group compared to the unimodal group. No significant changes in MMN latency were observed between the two groups. These changes were stable in the one-month follow-up visit. CONCLUSIONS Our study showed that bimodal stimulation is a better intervention option compared to unimodal stimulation. Bimodal stimulation may be an effective intervention method for some subjects with tinnitus, especially people with hearing loss who have tonal tinnitus.
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Affiliation(s)
- Masoud Bolandi
- Department of Audiology, University of Social Welfare and Rehabilitation Science, Tehran, Iran
| | - Mohanna Javanbakht
- Department of Audiology, University of Social Welfare and Rehabilitation Science, Tehran, Iran; Pediatric Neurorehabilitation Research Center, University of Social Welfare and Rehabilitation Science, Tehran, Iran
| | - Moslem Shaabani
- Department of Audiology, University of Social Welfare and Rehabilitation Science, Tehran, Iran; Rofeideh Rehabilitation Hospital, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran.
| | - Enayatollah Bakhshi
- Department of Biostatistics, University of Social Welfare and Rehabilitation Science, Tehran, Iran
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Mantovani E, Bressan MM, Tinazzi M, Tamburin S. Towards multimodal cognition-based treatment for cognitive impairment in Parkinson's disease: drugs, exercise, non-invasive brain stimulation and technologies. Curr Opin Neurol 2024:00019052-990000000-00188. [PMID: 39132779 DOI: 10.1097/wco.0000000000001310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/13/2024]
Abstract
PURPOSE OF REVIEW Cognitive impairment is one of the most challenging non-motor symptoms of Parkinson's disease (PD) and may occur during all PD stages. There are no established pharmacological treatments for PD-related cognitive impairment, which may be improved by cognition-based interventions (i.e., cognitive stimulation, cognitive training, cognitive rehabilitation). Multimodal cognition-based interventions by adjunctive drugs, exercise, non-invasive brain stimulation and technologies may be effective in PD. RECENT FINDINGS Exercise combined with cognitive training may enhance global, memory, visuospatial and executive functioning, transcranial direct current stimulation delivered alongside cognitive training may improve attention and executive functioning, and exergames, semi-immersive virtual reality (VR) and telerehabilitation plus non-immersive VR combined with cognitive training may ameliorate global and executive functioning in PD patients. SUMMARY The evidence reviewed here, despite preliminary, is very encouraging and suggests strong rationale for combining pharmacological and non-pharmacological interventions with cognition-based treatments in PD. To overcome limitations of current studies, we propose some recommendations for future trials on drugs, exercise, non-invasive brain stimulation and technologies combined with cognition-based treatments for cognitive impairment in PD.
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Affiliation(s)
- Elisa Mantovani
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
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Hu Q, Jiao X, Wei Y, Tang X, Xu L, Cui H, Hu Y, Tang Y, Wang Z, Chen T, Liu H, Li C, An C, Wang J, Zhang T. Repetitive transcranial magnetic stimulation can improve negative symptoms and/or neurocognitive impairments in the first psychosis episode: A randomized controlled trial. Prog Neuropsychopharmacol Biol Psychiatry 2024; 133:111017. [PMID: 38657896 DOI: 10.1016/j.pnpbp.2024.111017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/17/2024] [Accepted: 04/21/2024] [Indexed: 04/26/2024]
Abstract
OBJECTIVE Negative symptoms and neurocognitive impairments in psychosis correlate with their severity. Currently, there is no satisfactory treatment. We aimed to evaluate and compare the effects of repetitive transcranial magnetic stimulation(rTMS) on negative symptoms and neurocognitive impairments in patients in first-episode of psychosis(FEP) in a randomized controlled trial(RCT). METHOD This is a single-site RCT of 85 patients with FEP. Patients were randomized to receive a 4-week course of active(n = 45) or sham rTMS(n = 40). Factor analysis was applied to a cross-sectional dataset of 744 FEP patients who completed negative symptom evaluation and neurocognitive battery tests. Two independent dimensions were generated and used for the K-means cluster analysis to produce sub-clusters. rTMS of 1-Hz was delivered to the right orbitofrontal(OFC) cortex. RESULTS Two distinct dimensional factors of neurocognitive functions(factor-1) and negative symptoms(factor-2), and three clusters with distinctive features were generated. Significant improvements in factor-1 and factor-2 were observed after 4-weeks of rTMS treatment in both the active and sham rTMS groups. The repeated-measures analysis of variance revealed a significant effect of time×group(F = 5.594, p = 0.021, η2 = 0.073) on factor-2, but no effect of time×group on factor-1. Only improvements in negative symptoms were significantly different between the active and sham rTMS groups(p = 0.028). Patients in cluster-3 characterized by extensive negative symptoms, showed greater improvement in the active rTMS group than in the sham rTMS group. CONCLUSIONS The 1-Hz right OFC cortex rTMS is more effective in reducing negative symptoms than neurocognitive impairments. It is especially effective in patients with dominantly negative symptoms in FEP.
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Affiliation(s)
- Qiang Hu
- Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai Engineering Research Center of Intelligent Psychological Evaluation and Intervention, Shanghai Key Laboratory of Psychotic Disorders, Shanghai 200030, PR China; Department of Psychiatry, ZhenJiang Mental Health Center, Zhenjiang, China
| | - Xiong Jiao
- Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai Engineering Research Center of Intelligent Psychological Evaluation and Intervention, Shanghai Key Laboratory of Psychotic Disorders, Shanghai 200030, PR China
| | - YanYan Wei
- Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai Engineering Research Center of Intelligent Psychological Evaluation and Intervention, Shanghai Key Laboratory of Psychotic Disorders, Shanghai 200030, PR China
| | - XiaoChen Tang
- Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai Engineering Research Center of Intelligent Psychological Evaluation and Intervention, Shanghai Key Laboratory of Psychotic Disorders, Shanghai 200030, PR China
| | - LiHua Xu
- Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai Engineering Research Center of Intelligent Psychological Evaluation and Intervention, Shanghai Key Laboratory of Psychotic Disorders, Shanghai 200030, PR China
| | - HuiRu Cui
- Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai Engineering Research Center of Intelligent Psychological Evaluation and Intervention, Shanghai Key Laboratory of Psychotic Disorders, Shanghai 200030, PR China
| | - YeGang Hu
- Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai Engineering Research Center of Intelligent Psychological Evaluation and Intervention, Shanghai Key Laboratory of Psychotic Disorders, Shanghai 200030, PR China
| | - YingYing Tang
- Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai Engineering Research Center of Intelligent Psychological Evaluation and Intervention, Shanghai Key Laboratory of Psychotic Disorders, Shanghai 200030, PR China
| | - ZiXuan Wang
- Shanghai Xinlianxin Psychological Counseling Center, Shanghai, China
| | - Tao Chen
- Big Data Research Lab, University of Waterloo, Ontario, Canada; Labor and Worklife Program, Harvard University, MA, United States
| | - HaiChun Liu
- Department of Automation, Shanghai Jiao Tong University, Shanghai 200240, China
| | - ChunBo Li
- Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai Engineering Research Center of Intelligent Psychological Evaluation and Intervention, Shanghai Key Laboratory of Psychotic Disorders, Shanghai 200030, PR China
| | - CuiXia An
- Hebei Technical Innovation Center, Mental Health Assessment and Intervention, Shijiazhuang 050031, Hebei Province, China; Hebei Clinical Research Center of Mental Disorders, Institute of Mental Health, Shijiazhuang 050031, Hebei Province, China.
| | - JiJun Wang
- Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai Engineering Research Center of Intelligent Psychological Evaluation and Intervention, Shanghai Key Laboratory of Psychotic Disorders, Shanghai 200030, PR China; Center for Excellence in Brain Science and Intelligence Technology (CEBSIT), Chinese Academy of Science, China; Institute of Psychology and Behavioral Science, Shanghai Jiao Tong University, Shanghai, China.
| | - TianHong Zhang
- Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai Engineering Research Center of Intelligent Psychological Evaluation and Intervention, Shanghai Key Laboratory of Psychotic Disorders, Shanghai 200030, PR China.
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7
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Vergallito A, Gesi C, Torriero S. Intermittent Theta Burst Stimulation Combined with Cognitive Training to Improve Negative Symptoms and Cognitive Impairment in Schizophrenia: A Pilot Study. Brain Sci 2024; 14:683. [PMID: 39061423 PMCID: PMC11274516 DOI: 10.3390/brainsci14070683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Revised: 06/25/2024] [Accepted: 07/02/2024] [Indexed: 07/28/2024] Open
Abstract
Schizophrenia is a chronic psychiatric disorder severely affecting patients' functioning and quality of life. Unlike positive symptoms, cognitive impairment and negative symptoms cannot be treated pharmacologically and represent consistent predictors of the illness's prognosis. Cognitive remediation (CR) interventions have been applied to target these symptoms. Brain stimulation also provides promising yet preliminary results in reducing negative symptoms, whereas its effect on cognitive impairment remains heterogeneous. Here, we combined intermittent theta burst stimulation (iTBS) with CR to improve negative symptoms and cognitive impairment in schizophrenia spectrum patients. One hundred eligible patients were invited, and twenty-one participated. We randomized them into four groups, manipulating the stimulation condition (real vs. sham) and CR (no training vs. training). We delivered fifteen iTBS sessions over the left dorsolateral prefrontal cortex for three weeks, followed (or not) by 50 min of training. Consensus-based clinical and cognitive assessment was administered at baseline and after the treatment, plus at three follow-ups occurring one, three, and six months after the intervention. Mixed-model analyses were run on cognitive and negative symptom scores. The preliminary findings highlighted a marginal modulation of iTBS on negative symptoms, whereas CR improved isolated cognitive functions. We herein discuss the limitations and strengths of the methodological approach.
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Affiliation(s)
- Alessandra Vergallito
- Department of Psychology & Neuromi, University of Milano-Bicocca, 20126 Milan, Italy
| | - Camilla Gesi
- Department of Mental Health and Addictions, ASST Fatebenefratelli-Sacco, 20157 Milan, Italy (S.T.)
| | - Sara Torriero
- Department of Mental Health and Addictions, ASST Fatebenefratelli-Sacco, 20157 Milan, Italy (S.T.)
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8
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Murphy DLK, Koponen LM, Wood E, Li Y, Bukhari-Parlakturk N, Goetz SM, Peterchev AV. Reduced Auditory Perception and Brain Response with Quiet TMS Coil. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.06.24.600400. [PMID: 39005397 PMCID: PMC11244855 DOI: 10.1101/2024.06.24.600400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
BACKGROUND Electromagnetic forces in transcranial magnetic stimulation (TMS) coils generate a loud clicking sound that produces confounding auditory activation and is potentially hazardous to hearing. To reduce this noise while maintaining stimulation efficiency similar to conventional TMS coils, we previously developed a quiet TMS double containment coil (qTMS-DCC). OBJECTIVE To compare the stimulation strength, perceived loudness, and EEG response between qTMS-DCC and a commercial TMS coil. METHODS Nine healthy volunteers participated in a within-subject study design. The resting motor thresholds (RMTs) for qTMS-DCC and MagVenture Cool-B65 were measured. Psychoacoustic titration matched the Cool-B65 loudness to qTMS-DCC pulsed at 80, 100, and 120% RMT. Event-related potentials (ERPs) were recorded for both coils. The psychoacoustic titration and ERPs were acquired with the coils both on and 6 cm off the scalp, the latter isolating the effects of airborne auditory stimulation from body sound and electromagnetic stimulation. The ERP comparisons focused on a centro-frontal region that encompassed peak responses in the global signal. RESULTS RMT did not differ significantly between the coils, with or without the EEG cap on the head. qTMS-DCC was perceived to be substantially quieter than Cool-B65. For example, qTMS-DCC at 100% coil-specific RMT sounded like Cool-B65 at 34% RMT. The general ERP waveform and topography were similar between the two coils, as were early-latency components, indicating comparable electromagnetic brain stimulation in the on-scalp condition. qTMS-DCC had a significantly smaller P180 component in both on-scalp and off-scalp conditions, supporting reduced auditory activation. CONCLUSIONS The stimulation efficiency of qTMS-DCC matched Cool-B65, while having substantially lower perceived loudness and auditory-evoked potentials. Highlights qTMS coil is subjectively and objectively quieter than conventional Cool-B65 coilqTMS coil at 100% motor threshold was as loud as Cool-B65 at 34% motor thresholdAttenuated coil noise reduced auditory N100 and P180 evoked response componentsqTMS coil enables reduction of auditory activation without masking.
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9
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Sloane KL, Hamilton RH. Transcranial Direct Current Stimulation to Ameliorate Post-Stroke Cognitive Impairment. Brain Sci 2024; 14:614. [PMID: 38928614 PMCID: PMC11202055 DOI: 10.3390/brainsci14060614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 06/04/2024] [Accepted: 06/12/2024] [Indexed: 06/28/2024] Open
Abstract
Post-stroke cognitive impairment is a common and disabling condition with few effective therapeutic options. After stroke, neural reorganization and other neuroplastic processes occur in response to ischemic injury, which can result in clinical improvement through spontaneous recovery. Neuromodulation through transcranial direct current stimulation (tDCS) is a promising intervention to augment underlying neuroplasticity in order to improve cognitive function. This form of neuromodulation leverages mechanisms of neuroplasticity post-stroke to optimize neural reorganization and improve function. In this review, we summarize the current state of cognitive neurorehabilitation post-stroke, the practical features of tDCS, its uses in stroke-related cognitive impairment across cognitive domains, and special considerations for the use of tDCS in the post-stroke patient population.
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Affiliation(s)
- Kelly L. Sloane
- Department of Neurology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Physical Medicine and Rehabilitation, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Roy H. Hamilton
- Department of Neurology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Physical Medicine and Rehabilitation, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
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10
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De Smet S, Int-Veen I, Vanhollebeke G, Pulopulos MM, Barth B, Pasche S, Baeken C, Nuerk HC, Plewnia C, Nieratschker V, Jochen Fallgatter A, Ehlis AC, Vanderhasselt MA, Rosenbaum D. Trait-dependent effects of theta burst stimulation after psychosocial stress: a sham-controlled study in healthy individuals. Clin Neurophysiol 2024; 162:235-247. [PMID: 38556367 DOI: 10.1016/j.clinph.2024.03.016] [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: 05/08/2023] [Revised: 01/11/2024] [Accepted: 03/05/2024] [Indexed: 04/02/2024]
Abstract
OBJECTIVE Previous studies suggest that theta burst stimulation (TBS), a form of repetitive transcranial magnetic stimulation (rTMS), applied to the left dorsolateral prefrontal cortex (DLPFC) might be a promising approach to modulate stress-reactive rumination and the associated psychophysiological stress response. Crucially, individuals showing higher levels of trait rumination might benefit more from prefrontal stimulation. METHODS In this sham-controlled study, 127 healthy individuals, with varying ruminative tendencies, received a single-session of intermittent TBS (iTBS), continuous TBS (cTBS) or sham TBS (sTBS) over the left DLPFC before being confronted with a Trier Social Stress Test. RESULTS Results showed significant TBS effects on salivary cortisol as a function of trait rumination. cTBS, as compared to sTBS and iTBS, resulted in an attenuated stress-induced cortisol response in high compared to low trait ruminators. Although independent of trait rumination levels, cTBS showed positive effects on stress-related changes in mood and, both cTBS and iTBS (versus sham) presented an enhanced heart rate recovery following the stressor. We found no evidence for (trait rumination-dependent) TBS effects on stress-reactive rumination, negative affect, subjective stress or heart rate variability. CONCLUSIONS cTBS shows beneficial effects on certain measures of stress, especially in high trait ruminators. SIGNIFICANCE These findings highlight the importance of accounting for individual differences when examining TBS effects.
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Affiliation(s)
- Stefanie De Smet
- Department of Head and Skin, Psychiatry and Medical Psychology, Ghent University Hospital, Ghent University, Ghent, Belgium; Ghent Experimental Psychiatry (GHEP) Lab, Ghent, Belgium; Brain Stimulation and Cognition (BSC) Lab, Department of Cognitive Neuroscience, Faculty of Psychology & Neuroscience, Maastricht University, Maastricht, The Netherlands.
| | - Isabell Int-Veen
- Tübingen Center for Mental Health (TüCMH), Department of Psychiatry and Psychotherapy, University Hospital of Tuebingen, Tuebingen, Germany
| | - Gert Vanhollebeke
- Department of Head and Skin, Psychiatry and Medical Psychology, Ghent University Hospital, Ghent University, Ghent, Belgium; Ghent Experimental Psychiatry (GHEP) Lab, Ghent, Belgium; Department of Electronics and Information Systems, Ghent University, Belgium; Medical Imaging and Signal Processing (MEDISIP) Group, Ghent, Belgium
| | - Matias M Pulopulos
- Department of Experimental Clinical and Health Psychology, Ghent University, Ghent, Belgium
| | - Beatrix Barth
- Tübingen Center for Mental Health (TüCMH), Department of Psychiatry and Psychotherapy, University Hospital of Tuebingen, Tuebingen, Germany; German Center for Mental Health (DZPG), Germany
| | - Sarah Pasche
- Tübingen Center for Mental Health (TüCMH), Department of Psychiatry and Psychotherapy, University Hospital of Tuebingen, Tuebingen, Germany; German Center for Mental Health (DZPG), Germany
| | - Chris Baeken
- Department of Head and Skin, Psychiatry and Medical Psychology, Ghent University Hospital, Ghent University, Ghent, Belgium; Ghent Experimental Psychiatry (GHEP) Lab, Ghent, Belgium; Department of Psychiatry, University Hospital (UZBrussel), Brussels, Belgium; Eindhoven University of Technology, Department of Electrical Engineering, Eindhoven, the Netherlands
| | | | - Christian Plewnia
- Tübingen Center for Mental Health (TüCMH), Department of Psychiatry and Psychotherapy, University Hospital of Tuebingen, Tuebingen, Germany; German Center for Mental Health (DZPG), Germany
| | - Vanessa Nieratschker
- Tübingen Center for Mental Health (TüCMH), Department of Psychiatry and Psychotherapy, University Hospital of Tuebingen, Tuebingen, Germany; German Center for Mental Health (DZPG), Germany
| | - Andreas Jochen Fallgatter
- Tübingen Center for Mental Health (TüCMH), Department of Psychiatry and Psychotherapy, University Hospital of Tuebingen, Tuebingen, Germany; German Center for Mental Health (DZPG), Germany
| | - Ann-Christine Ehlis
- Tübingen Center for Mental Health (TüCMH), Department of Psychiatry and Psychotherapy, University Hospital of Tuebingen, Tuebingen, Germany; German Center for Mental Health (DZPG), Germany
| | - Marie-Anne Vanderhasselt
- Department of Head and Skin, Psychiatry and Medical Psychology, Ghent University Hospital, Ghent University, Ghent, Belgium; Ghent Experimental Psychiatry (GHEP) Lab, Ghent, Belgium
| | - David Rosenbaum
- Tübingen Center for Mental Health (TüCMH), Department of Psychiatry and Psychotherapy, University Hospital of Tuebingen, Tuebingen, Germany
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Menon SN, Torrico T, Luber B, Gindoff B, Cullins L, Regenold W, Lisanby SH. Educating the next generation of psychiatrists in the use of clinical neuromodulation therapies: what should all psychiatry residents know? Front Psychiatry 2024; 15:1397102. [PMID: 38812486 PMCID: PMC11133724 DOI: 10.3389/fpsyt.2024.1397102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Accepted: 04/30/2024] [Indexed: 05/31/2024] Open
Abstract
A variety of neuromodulation treatments are available today and more are on the way, but are tomorrow's psychiatrists prepared to incorporate these tools into their patients' care plans? This article addresses the need for training in clinical neuromodulation for general psychiatry trainees. To ensure patient access to neuromodulation treatments, we believe that general psychiatrists should receive adequate education in a spectrum of neuromodulation modalities to identify potential candidates and integrate neuromodulation into their multidisciplinary care plans. We propose curricular development across the four FDA-cleared modalities currently available in psychiatric practice: electroconvulsive therapy (ECT), transcranial magnetic stimulation (TMS), deep brain stimulation (DBS), and vagus nerve stimulation (VNS). With a focus on psychiatry residency training, the article delineates core learning components for each neuromodulation technique. For each modality, we review the clinical training status, the respective FDA-cleared indications, mechanisms of action, clinical indications and contraindications, adverse effects, informed consent process, dosing considerations, and clinical management guidelines. The approach outlined in this article aims to contribute to the development of a well-rounded generation of psychiatry trainees with the capacity to navigate the growing field of neuromodulation. Whether or not a psychiatrist specializes in delivering neuromodulation therapies themselves, it is incumbent on all psychiatrists to be able to identify patients who should be referred to neuromodulation therapies, and to provide comprehensive patient care before, during and after clinical neuromodulation interventions to optimize outcomes and prevent relapse.
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Affiliation(s)
- Sahit N. Menon
- Noninvasive Neuromodulation Unit, Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, Bethesda, MD, United States
| | - Tyler Torrico
- Noninvasive Neuromodulation Unit, Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, Bethesda, MD, United States
| | - Bruce Luber
- Noninvasive Neuromodulation Unit, Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, Bethesda, MD, United States
| | - Brian Gindoff
- Noninvasive Neuromodulation Unit, Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, Bethesda, MD, United States
| | - Lisa Cullins
- Emotion and Development Branch, National Institute of Mental Health, Bethesda, MD, United States
| | - William Regenold
- Noninvasive Neuromodulation Unit, Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, Bethesda, MD, United States
| | - Sarah H. Lisanby
- Noninvasive Neuromodulation Unit, Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, Bethesda, MD, United States
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12
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Tao Y, Liang Q, Zhang F, Guo S, Fan L, Zhao F. Efficacy of non-invasive brain stimulation combined with antidepressant medications for depression: a systematic review and meta-analysis of randomized controlled trials. Syst Rev 2024; 13:92. [PMID: 38509623 PMCID: PMC10953221 DOI: 10.1186/s13643-024-02480-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 02/06/2024] [Indexed: 03/22/2024] Open
Abstract
BACKGROUND Antidepressants, noninvasive brain stimulation (NIBS), and their combination are commonly used in routine clinical practice. Nevertheless, there is a continuous dispute regarding whether the effectiveness of NIBS in combination with antidepressants exceeds that of antidepressants alone. This meta-analysis aimed to evaluate the existing evidence and draw a definitive conclusion on this issue. METHODS We conducted a comprehensive search of five databases: Embase, PubMed, Web of Science, SinoMed, and the Cochrane Database of Randomized Controlled Trials. The search was conducted until October 6, 2023. The primary outcomes were the pre- and post-intervention depression and anxiety scores. Secondary outcomes included dropout rates, response rates, and certain levels of neurotransmitters [ 5-hydroxytryptamine (5-HT), dopamine (DA), and gamma-aminobutyric acid (GABA)] at the end of the intervention. Subgroup, meta-regression, and sensitivity analyses were performed to explore the sources of heterogeneity. The data were analysed using R 4.2.2. RESULTS We included 18 RCTs [1357 participants; 11 studies used repetitive transcranial magnetic stimulation (rTMS) and 7 studies used transcranial direct current stimulation (tDCS)]. The follow-up duration varied from two weeks to three months. Overall, whether in combination with rTMS or tDCS, antidepressants proved more effective in alleviating depressive symptoms compared to when used as monotherapy. However, this advantage was not evident during the follow-up period. (p > 0.05). And the combination's efficacy in improving anxiety was found to be lacking. Post-treatment serum levels of 5-HT, DA, and GABA were higher in the rTMS group were higher than antidepressant medication group (p < 0.05). Furthermore, subgroup analysis results indicated that only the rTMS + antidepressant medication treatment significantly improved remission and remission rates. The meta-regression results showed that the type of antidepressant and the sex of the participants had a significant association with the depression score. CONCLUSION Combination treatment with NIBS was significantly more effective in improving depression symptoms than medication alone. rTMS combined with antidepressants appears to be more effective in improving response and remission rates. However, efficacy may be influenced by the type of medicine used in combination, and long-term efficacy data is lacking. SYSTEMATIC REVIEW REGISTRATION PROSPERO CRD42023388259.
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Affiliation(s)
- Yuan Tao
- School of Nursing, Gansu University of Chinese Medicine, Lanzhou, 73000, PR China
| | - Qian Liang
- School of Nursing, Gansu University of Chinese Medicine, Lanzhou, 73000, PR China
| | - Fenghong Zhang
- Second Provincial Peoples Hospital of Gansu, Lanzhou, 73000, PR China
| | - Shaofan Guo
- School of Nursing, Gansu University of Chinese Medicine, Lanzhou, 73000, PR China
| | - Lingyun Fan
- Second Provincial Peoples Hospital of Gansu, Lanzhou, 73000, PR China
| | - Fei Zhao
- Key Laboratory of Environmental Ecology and Population Health in Northwest Minority Areas, Medical College of Northwest Minzu University, Lanzhou, 730030, PR China.
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13
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De Smet S, Razza LB, Pulopulos MM, De Raedt R, Baeken C, Brunoni AR, Vanderhasselt MA. Stress priming transcranial direct current stimulation (tDCS) enhances updating of emotional content in working memory. Brain Stimul 2024; 17:434-443. [PMID: 38565374 DOI: 10.1016/j.brs.2024.03.021] [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: 11/13/2023] [Revised: 03/21/2024] [Accepted: 03/25/2024] [Indexed: 04/04/2024] Open
Abstract
Transcranial direct current stimulation (tDCS) targeting the prefrontal cortex has emerged as a valuable tool in psychiatric research. Understanding the impact of affective states, such as stress at the time of stimulation, on the efficacy of prefrontal tDCS is crucial for advancing tDCS interventions. Stress-primed tDCS, wherein stress is used as a priming agent, has the potential to modulate neural plasticity and enhance cognitive functions, particularly in emotional working memory. However, prior research using stress-primed tDCS focused solely on non-emotional working memory performance, yielding mixed results. In this sham-controlled study, we addressed this gap by investigating the effects of stress-primed bifrontal tDCS (active versus sham) on both non-emotional and emotional working memory performance. The study was conducted in 146 healthy individuals who were randomly assigned to four experimental groups. The Trier Social Stress Test (TSST) or a control variant of the test was used to induce a stress versus control state. The results showed that stress priming significantly enhanced the effects of tDCS on the updating of emotional content in working memory, as evidenced by improved accuracy. Notably, no significant effects of stress priming were found for non-emotional working memory performance. These findings highlight the importance of an individual's prior affective state in shaping their response to tDCS, especially in the context of emotional working memory.
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Affiliation(s)
- Stefanie De Smet
- Department of Head and Skin, Psychiatry and Medical Psychology, Ghent University Hospital, Ghent University, Ghent, Belgium; Ghent Experimental Psychiatry (GHEP) lab, Ghent, Belgium; Brain Stimulation and Cognition (BSC) Lab, Department of Cognitive Neuroscience, Faculty of Psychology & Neuroscience, Maastricht University, Maastricht, the Netherlands.
| | - Lais B Razza
- Department of Head and Skin, Psychiatry and Medical Psychology, Ghent University Hospital, Ghent University, Ghent, Belgium; Ghent Experimental Psychiatry (GHEP) lab, Ghent, Belgium
| | - Matias M Pulopulos
- Department of Experimental Clinical and Health Psychology, Ghent University, Ghent, Belgium
| | - Rudi De Raedt
- Department of Experimental Clinical and Health Psychology, Ghent University, Ghent, Belgium
| | - Chris Baeken
- Department of Head and Skin, Psychiatry and Medical Psychology, Ghent University Hospital, Ghent University, Ghent, Belgium; Ghent Experimental Psychiatry (GHEP) lab, Ghent, Belgium; Department of Experimental Clinical and Health Psychology, Ghent University, Ghent, Belgium; Department of Psychiatry, University Hospital (UZBrussel), Brussels, Belgium; Eindhoven University of Technology, Department of Electrical Engineering, Eindhoven, the Netherlands
| | - Andre R Brunoni
- Serviço Interdisciplinar de Neuromodulação, Laboratório de Neurociências (LIM-27), Departamento e Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil; Departamento de Clínica Médica, Faculdade de Medicina da Universidade de São Paulo & Hospital Universitário, Universidade de São Paulo, Av. Prof Lineu Prestes 2565, 05508-000, São Paulo, Brazil; Hospital Universitário, Universidade de São Paulo, São Paulo, Brazil
| | - Marie-Anne Vanderhasselt
- Department of Head and Skin, Psychiatry and Medical Psychology, Ghent University Hospital, Ghent University, Ghent, Belgium; Ghent Experimental Psychiatry (GHEP) lab, Ghent, Belgium
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14
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Lee J, Kim YE, Lim J, Jo Y, Lee HJ, Jo YS, Choi JS. Transcranial focused ultrasound stimulation in the infralimbic cortex facilitates extinction of conditioned fear in rats. Brain Stimul 2024; 17:405-412. [PMID: 38537689 DOI: 10.1016/j.brs.2024.03.013] [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: 12/10/2023] [Revised: 03/04/2024] [Accepted: 03/15/2024] [Indexed: 05/01/2024] Open
Abstract
Transcranial focused ultrasound (tFUS) neuromodulation emerges as a promising non-invasive approach for improving neurological conditions. Extinction of conditioned fear has served as a prime model for exposure-based therapies for anxiety disorders. We investigated whether tFUS stimulation to a critical brain area, the infralimbic subdivision of the prefrontal cortex (IL), could facilitate fear extinction using rats. In a series of experiments, tFUS was delivered to the IL of a freely-moving rat and compared to sham stimulation (tFUS vs. SHAM). Initially, Fos expression in the IL was measured shortly after the stimulation. The results show that Fos expression was significantly increased in the IL but not in the neighboring regions compared to SHAM. Subsequently, two groups of rats were subjected to fear conditioning, extinction, and retention while receiving stimulation during the extinction. Rats in the tFUS group froze significantly less than SHAM during both extinction and retention tests. Importantly, the reduced freezing in the tFUS group was not attributable to non-specific effect such as auditory noise, as both groups demonstrated a similar level of locomotive activity in an open field regardless of the stimulation condition. Finally, we replicated the procedure with a shortened conditioning-to-extinction interval (15 min) to induce immediate extinction deficit. The tFUS group showed a facilitated reduction in freezing during the extinction, which persisted in the subsequent retention session compared to SHAM. In summary, the current findings suggest that tFUS stimulation in the IL facilitates fear extinction, offering a potential therapeutic regimen for fear-related psychiatric disorders.
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Affiliation(s)
- Jaeyong Lee
- School of Psychology, Korea University, Seoul, 02841, Republic of Korea
| | - Ye Eun Kim
- School of Psychology, Korea University, Seoul, 02841, Republic of Korea
| | - Jihong Lim
- School of Electrical Engineering, KAIST, Daejeon, 34141, Republic of Korea
| | - Yehhyun Jo
- School of Electrical Engineering, KAIST, Daejeon, 34141, Republic of Korea
| | - Hyunjoo Jenny Lee
- School of Electrical Engineering, KAIST, Daejeon, 34141, Republic of Korea
| | - Yong Sang Jo
- School of Psychology, Korea University, Seoul, 02841, Republic of Korea
| | - June-Seek Choi
- School of Psychology, Korea University, Seoul, 02841, Republic of Korea.
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15
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Vergallito A, Gramano B, La Monica K, Giuliani L, Palumbo D, Gesi C, Torriero S. Combining transcranial magnetic stimulation with training to improve social cognition impairment in schizophrenia: a pilot randomized controlled trial. Front Psychol 2024; 15:1308971. [PMID: 38445059 PMCID: PMC10912559 DOI: 10.3389/fpsyg.2024.1308971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 01/16/2024] [Indexed: 03/07/2024] Open
Abstract
Schizophrenia is a severe, chronic mental disorder that profoundly impacts patients' everyday lives. The illness's core features include positive and negative symptoms and cognitive impairments. In particular, deficits in the social cognition domain showed a tighter connection to patients' everyday functioning than the other symptoms. Social remediation interventions have been developed, providing heterogeneous results considering the possibility of generalizing the acquired improvements in patients' daily activities. In this pilot randomized controlled trial, we investigated the feasibility of combining fifteen daily cognitive and social training sessions with non-invasive brain stimulation to boost the effectiveness of the two interventions. We delivered intermittent theta burst stimulation (iTBS) over the left dorsolateral prefrontal cortex (DLPFC). Twenty-one patients were randomized into four groups, varying for the assigned stimulation condition (real vs. sham iTBS) and the type of cognitive intervention (training vs. no training). Clinical symptoms and social cognition tests were administered at five time points, i.e., before and after the treatment, and at three follow-ups at one, three, and six months after the treatments' end. Preliminary data show a trend in improving the competence in managing emotion in participants performing the training. Conversely, no differences were found in pre and post-treatment scores for emotion recognition, theory of mind, and attribution of intentions scores. The iTBS intervention did not induce additional effects on individuals' performance. The methodological approach's novelty and limitations of the present study are discussed.
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Affiliation(s)
| | - Bianca Gramano
- Department of Mental Health and Addictions, ASST Fatebenefratelli-Sacco, Milan, Italy
| | - Kevin La Monica
- Department of Mental Health and Addictions, ASST Fatebenefratelli-Sacco, Milan, Italy
| | - Luigi Giuliani
- Department of Psychiatry, Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
| | - Davide Palumbo
- Department of Psychiatry, Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
| | - Camilla Gesi
- Department of Mental Health and Addictions, ASST Fatebenefratelli-Sacco, Milan, Italy
| | - Sara Torriero
- Department of Mental Health and Addictions, ASST Fatebenefratelli-Sacco, Milan, Italy
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16
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Galimberti A, Tik M, Pellegrino G, Schuler AL. Effectiveness of rTMS and tDCS treatment for chronic TBI symptoms: A systematic review and meta-analysis. Prog Neuropsychopharmacol Biol Psychiatry 2024; 128:110863. [PMID: 37709126 DOI: 10.1016/j.pnpbp.2023.110863] [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: 04/06/2023] [Revised: 08/18/2023] [Accepted: 09/09/2023] [Indexed: 09/16/2023]
Abstract
INTRODUCTION Traumatic brain injury (TBI) is a major cause of long-term disability with conventional treatments frequently falling short to restore a good quality-of-life. Non-invasive brain stimulation (NIBS) techniques have shown potential as therapeutic options for neuropsychiatric conditions, including TBI sequelae. This study aims at providing a systematic review and meta-analysis on the effectiveness of repetitive transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS) on post-TBI symptoms. METHODS Fifteen randomized controlled trials (RCTs) on adult TBI patients that examined the effects of multiple treatment sessions of NIBS techniques were selected from five databases. Symptoms were clustered into four categories: depression, anxiety, headache and cognitive dysfunctions. Meta-analysis was performed using correlated and hierarchical effects models. RESULTS There were only few and heterogeneous studies with generally small sample sizes. Most studies targeted the dorsolateral prefrontal cortex (dlPFC). Overall, the effects of NIBS were small. However, there was a significant effect for overall symptoms (0.404, p = 0.031). Moreover, subgroup analyses revealed significant overall effects for anxiety (0.195, p = 0.020) and headache (0.354, p = 0.040). CONCLUSIONS To date, there is limited evidence supporting the effectiveness of NIBS concerning treatment for TBI sequelae. The observed effect sizes were modest, suggesting subtle improvements rather than drastic changes. While NIBS techniques remain promising for treating neuropsychiatric conditions, larger RCT studies with longer follow-ups, optimized stimulation parameters and standardized methodology are required to establish their efficacy in addressing TBI sequelae.
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Affiliation(s)
| | - Martin Tik
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, USA; Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria
| | - Giovanni Pellegrino
- Epilepsy Program, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada
| | - Anna-Lisa Schuler
- Lise Meitner Research Group Cognition and Plasticity, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany; IRCCS San Camillo Hospital, Venice, Italy.
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17
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Oberman LM, Francis SM, Lisanby SH. The use of noninvasive brain stimulation techniques in autism spectrum disorder. Autism Res 2024; 17:17-26. [PMID: 37873560 PMCID: PMC10841888 DOI: 10.1002/aur.3041] [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: 05/01/2023] [Accepted: 09/15/2023] [Indexed: 10/25/2023]
Abstract
Noninvasive brain stimulation (NIBS) techniques, including repetitive transcranial magnetic stimulation (rTMS) and transcranial direct current stimulation (tDCS), have recently emerged as alternative, nonpharmacological interventions for a variety of psychiatric, neurological, and neurodevelopmental conditions. NIBS is beginning to be applied in both research and clinical settings for the treatment of core and associated symptoms of autism spectrum disorder (ASD) including social communication deficits, restricted and repetitive behaviors, irritability, hyperactivity, depression and impairments in executive functioning and sensorimotor integration. Though there is much promise for these targeted device-based interventions, in other disorders (including adult major depressive disorder (MDD) and obsessive compulsive disorder (OCD) where rTMS is FDA cleared), data on the safety and efficacy of these interventions in individuals with ASD is limited especially in younger children when neurodevelopmental interventions typically begin. Most studies are open-label, small scale, and/or focused on a restricted subgroup of individuals with ASD. There is a need for larger, randomized controlled trials that incorporate neuroimaging in order to develop predictive biomarkers of treatment response and optimize treatment parameters. We contend that until such studies are conducted, we do not have adequate estimates of the safety and efficacy of NIBS interventions in children across the spectrum. Thus, broad off-label use of these techniques in this population is not supported by currently available evidence. Here we discuss the existing data on the use of NIBS to treat symptoms related to ASD and discuss future directions for the field.
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Affiliation(s)
- Lindsay M Oberman
- Noninvasive Neuromodulation Unit, Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland, USA
| | - Sunday M Francis
- Noninvasive Neuromodulation Unit, Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland, USA
| | - Sarah H Lisanby
- Noninvasive Neuromodulation Unit, Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland, USA
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18
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Xu X, Xu M, Su Y, Cao TV, Nikolin S, Moffa A, Loo C, Martin D. Efficacy of Repetitive Transcranial Magnetic Stimulation (rTMS) Combined with Psychological Interventions: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Brain Sci 2023; 13:1665. [PMID: 38137113 PMCID: PMC10741493 DOI: 10.3390/brainsci13121665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 11/17/2023] [Accepted: 11/28/2023] [Indexed: 12/24/2023] Open
Abstract
(1) Background: Psychological interventions are effective in alleviating neuropsychiatric symptoms, though results can vary between patients. Repetitive transcranial magnetic stimulation (rTMS) has been proven to improve clinical symptoms and cognition. It remains unclear whether rTMS can augment the efficacy of psychological interventions. (2) Methods: We examined the effects of rTMS combined with psychological interventions on clinical, functional, and cognitive outcomes from randomized controlled trials conducted in healthy and clinical populations. We searched PubMed, EMBASE, Cochrane Library, and PsycINFO databases up to April 2023. (3) Results: Twenty-seven studies were ultimately included. Compared to sham rTMS combined with psychological interventions, active rTMS combined with psychological interventions significantly improved overall clinical symptoms (k = 16, SMD = 0.31, CIs 0.08 to 0.54, p < 0.01). We found that 10 or more sessions of rTMS combined with cognitive behavioural therapy significantly improved clinical outcomes overall (k = 3, SMD = 0.21, CIs 0.05 to 0.36, Z = 2.49, p < 0.01). RTMS combined with cognitive training (CT) significantly improved cognition overall compared to sham rTMS combined with CT (k = 13, SMD = 0.28, CIs 0.15 to 0.42, p < 0.01), with a significant effect on global cognition (k = 11, SMD = 0.45, CIs 0.21 to 0.68, p < 0.01), but not on the other cognitive domains. (4) Conclusion: The current results provide preliminary support for the augmentation effects of active rTMS on clinical and cognitive outcomes across diverse populations. Future clinical trials are required to confirm these augmentation effects for specific psychological interventions in specific clinical populations.
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Affiliation(s)
- Xiaomin Xu
- Discipline of Psychiatry & Mental Health, School of Clinical Medicine, Faulty of Medicine and Health, University of New South Wales, Sydney, NSW 2052, Australia
| | - Mei Xu
- Discipline of Psychiatry & Mental Health, School of Clinical Medicine, Faulty of Medicine and Health, University of New South Wales, Sydney, NSW 2052, Australia
- Black Dog Institute, Hospital Road, Randwick, NSW 2031, Australia
| | - Yon Su
- Discipline of Psychiatry & Mental Health, School of Clinical Medicine, Faulty of Medicine and Health, University of New South Wales, Sydney, NSW 2052, Australia
| | - Thanh Vinh Cao
- Black Dog Institute, Hospital Road, Randwick, NSW 2031, Australia
| | - Stevan Nikolin
- Discipline of Psychiatry & Mental Health, School of Clinical Medicine, Faulty of Medicine and Health, University of New South Wales, Sydney, NSW 2052, Australia
- Black Dog Institute, Hospital Road, Randwick, NSW 2031, Australia
| | - Adriano Moffa
- Discipline of Psychiatry & Mental Health, School of Clinical Medicine, Faulty of Medicine and Health, University of New South Wales, Sydney, NSW 2052, Australia
- Black Dog Institute, Hospital Road, Randwick, NSW 2031, Australia
| | - Colleen Loo
- Discipline of Psychiatry & Mental Health, School of Clinical Medicine, Faulty of Medicine and Health, University of New South Wales, Sydney, NSW 2052, Australia
- Black Dog Institute, Hospital Road, Randwick, NSW 2031, Australia
| | - Donel Martin
- Discipline of Psychiatry & Mental Health, School of Clinical Medicine, Faulty of Medicine and Health, University of New South Wales, Sydney, NSW 2052, Australia
- Black Dog Institute, Hospital Road, Randwick, NSW 2031, Australia
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19
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Weller S, Derntl B, Plewnia C. Sex matters for the enhancement of cognitive training with transcranial direct current stimulation (tDCS). Biol Sex Differ 2023; 14:78. [PMID: 37919761 PMCID: PMC10623760 DOI: 10.1186/s13293-023-00561-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 10/16/2023] [Indexed: 11/04/2023] Open
Abstract
BACKGROUND Transcranial direct current stimulation (tDCS) can influence brain network activity and associated cognitive and behavioural functions. In addition to the extensive variety in stimulation parameters, numerous biological factors drive these effects, however these are yet poorly understood. Here, we investigate one of the major biological factors by focusing on sex-dependent effects of tDCS on a challenging cognitive control task (adaptive paced auditory serial addition task [PASAT]) in healthy humans. METHODS This sex-specific re-analysis was performed on data of 163 subjects who underwent a 2-week cognitive control training (6 sessions in total). Subjects received either verum (anodal/cathodal) or sham tDCS. Electrodes were placed over the left or right dorsolateral prefrontal cortex and the respective contralateral deltoid muscle. Cognitive control was measured as performance in the PASAT and was analysed in respect to stimulation conditions (sham, anodal, cathodal) and sex. RESULTS Regardless of stimulation condition, performance gains between the sexes were higher in females compared to males (p = 0.0038). Female's performance during anodal tDCS exceeded male's (p = 0.0070), yet no effects were found for cathodal or sham tDCS. Moreover, in females we found a superior effect for anodal tDCS over sham stimulation (fanodal: p = 0.0354; fcathodal: p = 0.6181), but no such effect in males (manodal: p = 0.6882; mcathodal: p = 0.4822). CONCLUSIONS This study highlights the relevance of biological sex for the effects of tDCS on cognitive training. Thus, an increased attention to biological sex is advisable in future brain stimulation research to highlight and in consequence better understand potentially underlying sex-specific mechanisms. Considering biological sex will further advance customisation and individualisation of tDCS interventions. Trial registration ClinicalTrials.gov, NCT04108663.
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Affiliation(s)
- Simone Weller
- Department of Psychiatry and Psychotherapy, Neurophysiology and Interventional Neuropsychiatry, University of Tübingen, Calwerstraße 14, 72076, Tübingen, Germany
- German Center for Mental Health (DZPG), partner site Tübingen, Germany
| | - Birgit Derntl
- German Center for Mental Health (DZPG), partner site Tübingen, Germany
- Department of Psychiatry and Psychotherapy, Innovative Neuroimaging, University of Tübingen, Calwerstraße 14, 72076, Tübingen, Germany
| | - Christian Plewnia
- Department of Psychiatry and Psychotherapy, Neurophysiology and Interventional Neuropsychiatry, University of Tübingen, Calwerstraße 14, 72076, Tübingen, Germany.
- German Center for Mental Health (DZPG), partner site Tübingen, Germany.
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20
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Tang SJ, Holle J, Dadario NB, Lesslar O, Teo C, Ryan M, Sughrue M, Yeung JT. Personalized, parcel-guided rTMS for the treatment of major depressive disorder: Safety and proof of concept. Brain Behav 2023; 13:e3268. [PMID: 37798655 PMCID: PMC10636393 DOI: 10.1002/brb3.3268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 09/13/2023] [Accepted: 09/15/2023] [Indexed: 10/07/2023] Open
Abstract
BACKGROUND Not all patients with major depressive disorder (MDD) benefit from the US Food and Drug Administration-approved use of repetitive transcranial magnetic stimulation (rTMS) at the dorsolateral prefrontal cortex. We may be undertreating depression with this one-size-fits-all rTMS strategy. METHODS We present a retrospective review of targeted and connectome-guided rTMS in 26 patients from Cingulum Health from 2020 to 2023 with MDD or MDD with associated symptoms. rTMS was conducted by identifying multiple cortical targets based on anomalies in individual functional connectivity networks as determined by machine learning connectomic software. Quality of life assessed by the EuroQol (EQ-5D) score and depression symptoms assessed by the Beck Depression Inventory (BDI) were administered prior to treatment, directly after, and at a follow-up consultation. RESULTS Of the 26 patients treated with rTMS, 16 (62%) attained remission after treatment. Of the 19 patients who completed follow-up assessments after an average interval of 2.6 months, 11 (58%) responded to treatment and 13 (68%) showed significant remission. Between patients classified with or without treatment-resistant depression, there was no difference in BDI improvement. Additionally, there was significant improvement in quality of life after treatment and during follow-up compared to baseline. LIMITATIONS This review is retrospective in nature, so there is no control group to assess the placebo effect on patient outcomes. CONCLUSION The personalized, connectome-guided approach of rTMS is safe and may be effective for depression. This personalized rTMS treatment allows for co-treatment of multiple disorders, such as the comorbidity of depression and anxiety.
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Affiliation(s)
- Si Jie Tang
- School of MedicineUniversity of California Davis Medical CenterSacramentoCaliforniaUSA
| | | | - Nicholas B. Dadario
- Robert Wood Johnson Medical SchoolRutgers UniversityNew BrunswickNew JerseyUSA
| | | | | | | | | | - Jacky T. Yeung
- Cingulum HealthSydneyAustralia
- Department of NeurosurgeryYale University School of MedicineNew HavenConnecticutUSA
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21
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De Smet S, Cohen N, Vanderhasselt MA. Boosting affective control with bifrontal transcranial direct current stimulation (tDCS): a proof-of-concept study in healthy individuals. Behav Res Ther 2023; 169:104401. [PMID: 37729689 DOI: 10.1016/j.brat.2023.104401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 08/28/2023] [Accepted: 09/01/2023] [Indexed: 09/22/2023]
Abstract
Affective control refers to the ability to regulate emotions and is considered a marker of mental health. Transcranial direct current stimulation (tDCS), a non-invasive brain stimulation technique, holds promise to enhance affective control. In this between-subjects study in healthy individuals, we investigated the effects of bifrontal tDCS on core processes and higher-level markers of affective control. As such, we assessed direct tDCS effects on emotional interference during an affective control task and indirect effects on an instructed reappraisal task afterward. Results showed that the affective control task combined with active tDCS, compared to sham, resulted in enhanced cognitive emotion regulation. Specifically, participants in the active tDCS condition showed an increased propensity to use reappraisal and were more successful in doing so. Moreover, there was reduced vagally mediated heart rate variability indicative of attenuated emotion and self-regulation, in the sham, but not in the active condition. Surprisingly, there were no effects of tDCS on emotional interference during the affective control task, with Bayesian analyses showing extreme evidence against these effects. Nevertheless, there was a positive association between the emotional interference during the affective control task and participants' reappraisal success afterward for the active, but not the sham tDCS condition. The study offers valuable insights to guide future work on combined tDCS with affective control tasks or training on the ability to regulate emotions.
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Affiliation(s)
- Stefanie De Smet
- Department of Head and Skin, Psychiatry and Medical Psychology, Ghent University Hospital, Ghent University, Ghent, Belgium; Ghent Experimental Psychiatry (GHEP) Lab, Ghent, Belgium.
| | - Noga Cohen
- Faculty of Education, University of Haifa, Haifa, Israel; Edmond J. Safra Brain Research Center, University of Haifa, Haifa, Israel
| | - Marie-Anne Vanderhasselt
- Department of Head and Skin, Psychiatry and Medical Psychology, Ghent University Hospital, Ghent University, Ghent, Belgium; Ghent Experimental Psychiatry (GHEP) Lab, Ghent, Belgium
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22
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Vergallito A, Varoli E, Pisoni A, Mattavelli G, Del Mauro L, Feroldi S, Vallar G, Romero Lauro LJ. State-dependent effectiveness of cathodal transcranial direct current stimulation on cortical excitability. Neuroimage 2023; 277:120242. [PMID: 37348625 DOI: 10.1016/j.neuroimage.2023.120242] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 06/09/2023] [Accepted: 06/20/2023] [Indexed: 06/24/2023] Open
Abstract
The extensive use of transcranial direct current stimulation (tDCS) in experimental and clinical settings does not correspond to an in-depth understanding of its underlying neurophysiological mechanisms. In previous studies, we employed an integrated system of Transcranial Magnetic Stimulation and Electroencephalography (TMS-EEG) to track the effect of tDCS on cortical excitability. At rest, anodal tDCS (a-tDCS) over the right Posterior Parietal Cortex (rPPC) elicits a widespread increase in cortical excitability. In contrast, cathodal tDCS (c-tDCS) fails to modulate cortical excitability, being indistinguishable from sham stimulation. Here we investigated whether an endogenous task-induced activation during stimulation might change this pattern, improving c-tDCS effectiveness in modulating cortical excitability. In Experiment 1, we tested whether performance in a Visuospatial Working Memory Task (VWMT) and a modified Posner Cueing Task (mPCT), involving rPPC, could be modulated by c-tDCS. Thirty-eight participants were involved in a two-session experiment receiving either c-tDCS or sham during tasks execution. In Experiment 2, we recruited sixteen novel participants who performed the same paradigm but underwent TMS-EEG recordings pre- and 10 min post- sham stimulation and c-tDCS. Behavioral results showed that c-tDCS significantly modulated mPCT performance compared to sham. At a neurophysiological level, c-tDCS significantly reduced cortical excitability in a frontoparietal network likely involved in task execution. Taken together, our results provide evidence of the state dependence of c-tDCS in modulating cortical excitability effectively. The conceptual and applicative implications are discussed.
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Affiliation(s)
- Alessandra Vergallito
- Department of Psychology, University of Milano-Bicocca, Milano, Italy; NeuroMi, Milan Center for Neuroscience, Milano, Italy.
| | - Erica Varoli
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Alberto Pisoni
- Department of Psychology, University of Milano-Bicocca, Milano, Italy; NeuroMi, Milan Center for Neuroscience, Milano, Italy
| | - Giulia Mattavelli
- IUSS Cognitive Neuroscience (ICON) Center, Scuola Universitaria Superiore IUSS, Pavia, Italy; Istituti Clinici Scientifici Maugeri IRCCS, Cognitive Neuroscience Laboratory of Pavia Institute, 27100, Italy
| | - Lilia Del Mauro
- Department of Psychology, University of Milano-Bicocca, Milano, Italy
| | - Sarah Feroldi
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Giuseppe Vallar
- Department of Psychology, University of Milano-Bicocca, Milano, Italy; NeuroMi, Milan Center for Neuroscience, Milano, Italy; MiBTec - Mind and Behavior Technological Center, University of Milano-Bicocca, Milan, Italy
| | - Leonor J Romero Lauro
- Department of Psychology, University of Milano-Bicocca, Milano, Italy; NeuroMi, Milan Center for Neuroscience, Milano, Italy
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23
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Dalhuisen I, Schutte C, Bramson B, Roelofs K, van Eijndhoven P, Tendolkar I. Studying additive effects of combining rTMS with cognitive control training: a pilot investigation. Front Hum Neurosci 2023; 17:1201344. [PMID: 37584029 PMCID: PMC10423931 DOI: 10.3389/fnhum.2023.1201344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 07/10/2023] [Indexed: 08/17/2023] Open
Abstract
Background Repetitive transcranial magnetic stimulation (rTMS) on the dorsolateral prefrontal cortex (DLPFC) is an effective treatment for depression that has been proposed to work via the enhancement of cognitive control. Cognitive control training (CCT) can also alleviate depression by relying on DLPFC activation. As the additive effects of rTMS and CCT are unclear, we set out to conduct a within-subject pilot study in healthy controls. Methods Seventeen participants received two sessions of individualized resting-state connectivity-guided high-frequency rTMS, while randomly performing CCT or a control task. After each session, a negative mood was induced. Results We found effects on mood and cognitive control after rTMS + CCT as well as rTMS + control, which were indiscriminative between conditions. Based on the statistical evidence for the absence of an additive effect of CCT, we did not perform a full study. Conclusion Our results demonstrate no differential effects of single sessions combining rTMS and CCT in a healthy population, even with the methodological improvement of individualized neuronavigation. The improvement in cognitive control seen in both conditions could indicate that a simple cognitive task is sufficient when studying additive rTMS effects. Future studies should focus on augmenting the effects of various cognitive tasks and compare the present interventions with rTMS or cognitive tasks alone.
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Affiliation(s)
- Iris Dalhuisen
- Department of Psychiatry, Radboud University Medical Center, Nijmegen, Netherlands
- Donders Institute for Brain Cognition and Behavior, Radboud University, Nijmegen, Netherlands
| | - Céline Schutte
- Department of Psychiatry, Radboud University Medical Center, Nijmegen, Netherlands
| | - Bob Bramson
- Donders Institute for Brain Cognition and Behavior, Radboud University, Nijmegen, Netherlands
- Behavioral Science Institute, Radboud University, Nijmegen, Netherlands
| | - Karin Roelofs
- Donders Institute for Brain Cognition and Behavior, Radboud University, Nijmegen, Netherlands
- Behavioral Science Institute, Radboud University, Nijmegen, Netherlands
| | - Philip van Eijndhoven
- Department of Psychiatry, Radboud University Medical Center, Nijmegen, Netherlands
- Donders Institute for Brain Cognition and Behavior, Radboud University, Nijmegen, Netherlands
| | - Indira Tendolkar
- Department of Psychiatry, Radboud University Medical Center, Nijmegen, Netherlands
- Donders Institute for Brain Cognition and Behavior, Radboud University, Nijmegen, Netherlands
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24
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Horczak P, Wang C, De Witte S, De Smet S, Remue J, De Raedt R, Vanderhasselt MA, Wu GR, Lemmens GMD, Baeken C. Combining transcranial direct current stimulation with group cognitive behavioral therapy developed to treat rumination: a clinical pilot study. Front Neurol 2023; 14:1167029. [PMID: 37181556 PMCID: PMC10167311 DOI: 10.3389/fneur.2023.1167029] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 04/03/2023] [Indexed: 05/16/2023] Open
Abstract
Background As part of repetitive negative thinking (RNT), rumination is a maladaptive cognitive response style to stress or negative mood which can increase the risk of depression and may prohibit complete recovery. Cognitive behavioral therapy (CBT) and transcranial direct current stimulation (tDCS) both proved to be effective in decreasing rumination. However, the combined effects of tDCS and CBT interventions on rumination have not yet been explored. The first aim of this pilot study is to investigate whether the combination of tDCS and CBT has an accumulating positive effect on modulating state rumination. The second aim is to assess the feasibility and safety profile of the proposed combined approach. Method Seventeen adults aged 32-60 years, suffering from RNT, were referred by their primary care professional to participate in an 8-week group intervention for RNT ("Drop It") comprising 8 sessions of CBT. Before each CBT session, patients underwent one double-blinded prefrontal active (2 mA for 20 min) or sham tDCS (anode over F3, cathode over the right supraorbital region) combined with an internal cognitive attention task focused on individual RNT, i.e., online tDCS priming. During each session, the Brief State Rumination Inventory was used to assess state rumination. Results A mixed effects model analysis revealed no significant differences between the stimulation conditions, weekly sessions, or their interaction in terms of state rumination scores. Conclusion Overall, the combination of online tDCS priming followed by group CBT was found to be safe and feasible. On the other hand, no significant additional effects of this combined approach on state rumination were established. Although our pilot study may have been too small to find significant clinical effects, future larger RCT studies on combined tDCS-CBT treatment protocols may reevaluate the selection of internal cognitive attention tasks and more objective neurophysiological measurements, consider the optimal timing of the combination (concurrently or sequentially), or may add additional tDCS sessions when following CBT.
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Affiliation(s)
- Paula Horczak
- Ghent Experimental Psychiatry (GHEP) Lab, Ghent University, Ghent, Belgium
- Department of Head and Skin – Psychiatry and Medical Psychology, Ghent University, Ghent, Belgium
| | - Chanyu Wang
- Ghent Experimental Psychiatry (GHEP) Lab, Ghent University, Ghent, Belgium
- Department of Head and Skin – Psychiatry and Medical Psychology, Ghent University, Ghent, Belgium
| | - Sara De Witte
- Ghent Experimental Psychiatry (GHEP) Lab, Ghent University, Ghent, Belgium
- Department of Head and Skin – Psychiatry and Medical Psychology, Ghent University, Ghent, Belgium
- Department of Neurology and Bru-BRAIN, University Hospital Brussels, Brussels, Belgium
- Neuroprotection and Neuromodulation Research Group (NEUR), Center for Neurosciences (C4N), Vrije Universiteit Brussel (VUB), Brussels, Belgium
- Department of Psychiatry, Universitair Ziekenhuis Brussel (UZ Brussel), Vrije Universiteit Brussel (VUB), Brussels, Belgium
| | - Stefanie De Smet
- Ghent Experimental Psychiatry (GHEP) Lab, Ghent University, Ghent, Belgium
- Department of Head and Skin – Psychiatry and Medical Psychology, Ghent University, Ghent, Belgium
| | - Jonathan Remue
- Department of Psychiatry, Ghent University Hospital, Ghent, East Flanders, Belgium
| | - Rudi De Raedt
- Department of Experimental Clinical and Health Psychology, Ghent University, Ghent, Belgium
| | - Marie-Anne Vanderhasselt
- Ghent Experimental Psychiatry (GHEP) Lab, Ghent University, Ghent, Belgium
- Department of Head and Skin – Psychiatry and Medical Psychology, Ghent University, Ghent, Belgium
| | - Guo-Rong Wu
- Key Laboratory of Cognition and Personality, Faculty of Psychology, Southwest University, Chongqing, China
| | - Gilbert M. D. Lemmens
- Department of Head and Skin – Psychiatry and Medical Psychology, Ghent University, Ghent, Belgium
- Department of Psychiatry, Ghent University Hospital, Ghent, East Flanders, Belgium
| | - Chris Baeken
- Ghent Experimental Psychiatry (GHEP) Lab, Ghent University, Ghent, Belgium
- Department of Head and Skin – Psychiatry and Medical Psychology, Ghent University, Ghent, Belgium
- Department of Neurology and Bru-BRAIN, University Hospital Brussels, Brussels, Belgium
- Neuroprotection and Neuromodulation Research Group (NEUR), Center for Neurosciences (C4N), Vrije Universiteit Brussel (VUB), Brussels, Belgium
- Department of Psychiatry, Universitair Ziekenhuis Brussel (UZ Brussel), Vrije Universiteit Brussel (VUB), Brussels, Belgium
- Department of Psychiatry, Ghent University Hospital, Ghent, East Flanders, Belgium
- Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, Netherlands
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25
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Del Mauro L, Vergallito A, Gattavara G, Juris L, Gallucci A, Vedani A, Cappelletti L, Farneti PM, Romero Lauro LJ. Betting on Non-Invasive Brain Stimulation to Treat Gambling Disorder: A Systematic Review and Meta-Analysis. Brain Sci 2023; 13:698. [PMID: 37190663 PMCID: PMC10136786 DOI: 10.3390/brainsci13040698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 04/13/2023] [Accepted: 04/18/2023] [Indexed: 05/17/2023] Open
Abstract
Gambling disorder (GD) is a behavioral addiction that severely impacts individuals' functioning, leading to high socioeconomic costs. Non-invasive brain stimulation (NiBS) has received attention for treating psychiatric and neurological conditions in recent decades, but there is no recommendation for its use for GD. Therefore, this study aimed to systematically review and analyze the available literature to determine the effectiveness of NiBS in treating GD. Following the PRISMA guidelines, we screened four electronic databases up to July 2022 and selected relevant English-written original articles. We included ten papers in the systematic review and seven in the meta-analysis. As only two studies employed a sham-controlled design, the pre-post standardized mean change (SMCC) was computed as effect size only for real stimulation. The results showed a significant effect of NiBS in reducing craving scores (SMCC = -0.69; 95% CI = [-1.2, -0.2], p = 0.010). Moreover, considering the GD's frequent comorbidity with mood disorders, we ran an exploratory analysis of the effects of NiBS on depressive symptoms, which showed significant decreases in post-treatment scores (SMCC = -0.71; 95% CI = [-1.1, -0.3], p < 0.001). These results provide initial evidence for developing NiBS as a feasible therapy for GD symptoms but further comprehensive research is needed to validate these findings. The limitations of the available literature are critically discussed.
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Affiliation(s)
- Lilia Del Mauro
- Department of Psychology, University of Milano-Bicocca, 20126 Milano, Italy
- Fondazione Eris Onlus, 20134 Milano, Italy
| | - Alessandra Vergallito
- Department of Psychology & Neuromi, University of Milano-Bicocca, 20126 Milano, Italy
| | - Gaia Gattavara
- Department of Psychology, University of Milano-Bicocca, 20126 Milano, Italy
| | | | - Alessia Gallucci
- Ph.D. Program in Neuroscience, School of Medicine and Surgery, University of Milano-Bicocca, 20900 Monza, Italy
| | - Anna Vedani
- Department of Psychology, University of Milano-Bicocca, 20126 Milano, Italy
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Champagne PL, Blanchette AK, Schneider C. Continuous, and not intermittent, theta-burst stimulation of the unlesioned hemisphere improved brain and hand function in chronic stroke: A case study. BRAIN DISORDERS 2023. [DOI: 10.1016/j.dscb.2022.100062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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Neural Correlates of Impaired Self-awareness of Deficits after Acquired Brain Injury: A Systematic Review. Neuropsychol Rev 2023; 33:222-237. [PMID: 35112305 PMCID: PMC9998557 DOI: 10.1007/s11065-022-09535-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 11/29/2021] [Indexed: 10/19/2022]
Abstract
Self-awareness is essential for the process and outcome of rehabilitation but is often affected by acquired brain injury (ABI). While many studies investigated the psychological aspects of self-awareness deficits, the biological underpinnings are not well understood. The aim of this systematic review was to identify the neural correlates of self-awareness after ABI. Results indicate that anticipation of future problems is associated with lesions and decreased neural functioning in the right frontal lobe, as well as increased diffusivity throughout the white matter of the brain. Poor behavioral adjustment on implicit awareness tasks is associated with less functional connectivity of anterior cingulate cortex and right or middle inferior frontal gyri to the fronto-parietal control network, as well as more activation in the left insula and left parietal operculum during error processing. Recognition of mistakes is associated with internetwork connectivity of anterior or posterior default mode network to salience network. In conclusion, after ABI, different results in brain activation and connectivity are found depending on level of awareness measured. Future studies are necessary to confirm these findings.
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Zaizar ED, Papini S, Gonzalez-Lima F, Telch MJ. Singular and combined effects of transcranial infrared laser stimulation and exposure therapy on pathological fear: a randomized clinical trial. Psychol Med 2023; 53:908-917. [PMID: 34284836 PMCID: PMC9976021 DOI: 10.1017/s0033291721002270] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 04/16/2021] [Accepted: 05/21/2021] [Indexed: 11/08/2022]
Abstract
BACKGROUND Preclinical findings suggest that transcranial infrared laser stimulation (TILS) improves fear extinction learning and cognitive function by enhancing prefrontal cortex (PFC) oxygen metabolism. These findings prompted our investigation of treating pathological fear using this non-invasive stimulation approach either alone to the dorsolateral PFC (dlPFC), or to the ventromedial PFC (vmPFC) in combination with exposure therapy. METHODS Volunteers with pathological fear of either enclosed spaces, contamination, public speaking, or anxiety-related bodily sensations were recruited for this randomized, single-blind, sham-controlled trial with four arms: (a) Exposure + TILS_vmPFC (n = 29), (b) Exposure + sham TILS_vmPFC (n = 29), (c) TILS_dlPFC alone (n = 26), or (d) Sham TILS _dlPFC alone (n = 28). Post-treatment assessments occurred immediately following treatment. Follow-up assessments occurred 2 weeks after treatment. RESULTS A total of 112 participants were randomized [age range: 18-63 years; 96 females (85.71%)]. Significant interactions of Group × Time and Group × Context indicated differential treatment effects on retention (i.e. between time-points, averaged across contexts) and on generalization (i.e. between contexts, averaged across time-points), respectively. Among the monotherapies, TILS_dlPFC outperformed SHAM_dlPFC in the initial context, b = -13.44, 95% CI (-25.73 to -1.15), p = 0.03. Among the combined treatments, differences between EX + TILS_vmPFC and EX + SHAM_vmPFC were non-significant across all contrasts. CONCLUSIONS TILS to the dlPFC, one of the PFC regions implicated in emotion regulation, resulted in a context-specific benefit as a monotherapy for reducing fear. Contrary to prediction, TILS to the vmPFC, a region implicated in fear extinction memory consolidation, did not enhance exposure therapy outcome.
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Affiliation(s)
- Eric D. Zaizar
- Department of Psychology, The University of Texas at Austin, Austin, TX, USA
- Institute for Mental Health Research, The University of Texas at Austin, Austin, TX, USA
| | - Santiago Papini
- Department of Psychology, The University of Texas at Austin, Austin, TX, USA
- Institute for Mental Health Research, The University of Texas at Austin, Austin, TX, USA
| | - F. Gonzalez-Lima
- Department of Psychology, The University of Texas at Austin, Austin, TX, USA
- Institute for Neuroscience, The University of Texas at Austin, Austin, TX, USA
- Department of Psychiatry and Behavioral Sciences, Dell Medical School, The University of Texas at Austin, Austin, TX, USA
| | - Michael J. Telch
- Department of Psychology, The University of Texas at Austin, Austin, TX, USA
- Institute for Mental Health Research, The University of Texas at Austin, Austin, TX, USA
- Department of Psychiatry and Behavioral Sciences, Dell Medical School, The University of Texas at Austin, Austin, TX, USA
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Aksu S, Hasırcı Bayır BR, Sayman C, Soyata AZ, Boz G, Karamürsel S. Working memory ımprovement after transcranial direct current stimulation paired with working memory training ın diabetic peripheral neuropathy. APPLIED NEUROPSYCHOLOGY. ADULT 2023:1-14. [PMID: 36630270 DOI: 10.1080/23279095.2022.2164717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Association of cognitive deficits and diabetic peripheral neuropathy (DPN) is frequent. Working memory (WM) deficits result in impairment of daily activities, diminished functionality, and treatment compliance. Mounting evidence suggests that transcranial Direct Current Stimulation (tDCS) with concurrent working memory training (WMT) ameliorates cognitive deficits. Emboldening results of tDCS were shown in DPN. The study aimed to evaluate the efficacy of anodal tDCS over the left dorsolateral prefrontal cortex (DLPFC) coupled with cathodal right DLPFC with concurrent WMT in DPN for the first time. The present randomized triple-blind parallel-group sham-controlled study evaluated the efficacy of 5 sessions of tDCS over the DLPFC concurrent with WMT in 28 individuals with painful DPN on cognitive (primary) and pain-related, psychiatric outcome measures before, immediately after, and 1-month after treatment protocol. tDCS enhanced the efficacy of WMT on working memory and yielded lower anxiety levels than sham tDCS but efficacy was not superior to sham on other cognitive domains, pain severity, quality of life, and depression. tDCS with concurrent WMT enhanced WM and ameliorated anxiety in DPN without affecting other cognitive and pain-related outcomes. Further research scrutinizing the short/long-term efficacy with larger samples is accredited.
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Affiliation(s)
- Serkan Aksu
- Department of Physiology, Faculty of Medicine, Muğla Sıtkı Koçman University, Muğla, Türkiye
- Department of Physiology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Türkiye
| | - Buse Rahime Hasırcı Bayır
- Department of Neurology, Health Sciences University, Haydarpaşa Numune Education and Research Hospital, Istanbul, Türkiye
| | - Ceyhun Sayman
- Translational Neurodevelopmental Neuroscience Phd Programme, Institute of Health Science, Istanbul University, Istanbul, Türkiye
| | - Ahmet Zihni Soyata
- Psychiatry Outpatient Clinic, Başakşehir State Hospital, İstanbul, Turkey
| | - Gökalp Boz
- Department of Psychology, Istanbul University, Istanbul, Türkiye
| | - Sacit Karamürsel
- Department of Physiology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Türkiye
- Department of Physiology, School of Medicine, Koc University, Istanbul, Türkiye
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Examining the synergistic effects of a cognitive control video game and a home-based, self-administered non-invasive brain stimulation on alleviating depression: the DiSCoVeR trial protocol. Eur Arch Psychiatry Clin Neurosci 2023; 273:85-98. [PMID: 36271928 PMCID: PMC9589526 DOI: 10.1007/s00406-022-01464-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 07/12/2022] [Indexed: 11/16/2022]
Abstract
Enhanced behavioral interventions are gaining increasing interest as innovative treatment strategies for major depressive disorder (MDD). In this study protocol, we propose to examine the synergistic effects of a self-administered home-treatment, encompassing transcranial direct current stimulation (tDCS) along with a video game based training of attentional control. The study is designed as a two-arm, double-blind, randomized and placebo-controlled multi-center trial (ClinicalTrials.gov: NCT04953208). At three study sites (Israel, Latvia, and Germany), 114 patients with a primary diagnosis of MDD undergo 6 weeks of intervention (30 × 30 min sessions). Patients assigned to the intervention group receive active tDCS (anode F3 and cathode F4; 2 mA intensity) and an action-like video game, while those assigned to the control group receive sham tDCS along with a control video game. An electrode-positioning algorithm is used to standardize tDCS electrode positioning. Participants perform their designated treatment at the clinical center (sessions 1-5) and continue treatment at home under remote supervision (sessions 6-30). The endpoints are feasibility (primary) and safety, treatment efficacy (secondary, i.e., change of Montgomery-Åsberg Depression Rating Scale (MADRS) scores at week six from baseline, clinical response and remission, measures of social, occupational, and psychological functioning, quality of life, and cognitive control (tertiary). Demonstrating the feasibility, safety, and efficacy of this novel combined intervention could expand the range of available treatments for MDD to neuromodulation enhanced interventions providing cost-effective, easily accessible, and low-risk treatment options.ClinicalTrials.gov: NCT04953208.
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Noël X. A critical perspective on updating drug memories through the integration of memory editing and brain stimulation. Front Psychiatry 2023; 14:1161879. [PMID: 37124256 PMCID: PMC10140428 DOI: 10.3389/fpsyt.2023.1161879] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 03/27/2023] [Indexed: 05/02/2023] Open
Abstract
Addiction is a persistent, recurring condition characterized by repeated relapses despite the desire to control drug use or maintain sobriety. The attainment of abstinence is hindered by persistent maladaptive drug-associated memories, which drive drug-seeking and use behavior. This article examines the preliminary evidence supporting the combination of non-invasive brain stimulation (NIBS) techniques and memory editing (or reconsolidation) interventions as add-on forms of treatment for individuals with substance-related disorders (SUD). Studies have shown that NIBS can modestly reduce drug use and craving through improved cognitive control or other undetermined reasons. Memory reconsolidation, a process by which a previously consolidated memory trace can be made labile again, can potentially erase or significantly weaken SUD memories underpinning craving and the propensity for relapse. This approach conveys enthusiasm while also emphasizing the importance of managing boundary conditions and null results for interventions found on fear memory reconsolidation. Recent studies, which align with the state-dependency and activity-selectivity hypotheses, have shown that the combination of NIBS and behavioral interventions holds promise for treating SUD by reducing self-reported and physiological aspects of craving. Effective long-term outcomes for this procedure require better identification of critical memories, a deeper understanding of the brain mechanisms underlying SUD and memory reconsolidation and overcoming any boundary conditions of destabilized memories. This will enable the procedure to be personalized to the unique needs of individual patients.
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Affiliation(s)
- Xavier Noël
- Laboratoire de Psychologie Médicale et d’Addictologie, Faculty of Medicine, Université Libre de Bruxelles (ULB), Brussels, Belgium
- Neuroscience Institute (UNI), Université Libre de Bruxelles (ULB), Brussels, Belgium
- *Correspondence: Xavier Noël,
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Jannati A, Oberman LM, Rotenberg A, Pascual-Leone A. Assessing the mechanisms of brain plasticity by transcranial magnetic stimulation. Neuropsychopharmacology 2023; 48:191-208. [PMID: 36198876 PMCID: PMC9700722 DOI: 10.1038/s41386-022-01453-8] [Citation(s) in RCA: 46] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 09/01/2022] [Accepted: 09/02/2022] [Indexed: 11/10/2022]
Abstract
Transcranial magnetic stimulation (TMS) is a non-invasive technique for focal brain stimulation based on electromagnetic induction where a fluctuating magnetic field induces a small intracranial electric current in the brain. For more than 35 years, TMS has shown promise in the diagnosis and treatment of neurological and psychiatric disorders in adults. In this review, we provide a brief introduction to the TMS technique with a focus on repetitive TMS (rTMS) protocols, particularly theta-burst stimulation (TBS), and relevant rTMS-derived metrics of brain plasticity. We then discuss the TMS-EEG technique, the use of neuronavigation in TMS, the neural substrate of TBS measures of plasticity, the inter- and intraindividual variability of those measures, effects of age and genetic factors on TBS aftereffects, and then summarize alterations of TMS-TBS measures of plasticity in major neurological and psychiatric disorders including autism spectrum disorder, schizophrenia, depression, traumatic brain injury, Alzheimer's disease, and diabetes. Finally, we discuss the translational studies of TMS-TBS measures of plasticity and their therapeutic implications.
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Affiliation(s)
- Ali Jannati
- Neuromodulation Program, Division of Epilepsy and Clinical Neurophysiology, Department of Neurology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA.
- F. M. Kirby Neurobiology Center, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA.
- Berenson-Allen Center for Noninvasive Brain Stimulation, Division of Cognitive Neurology, Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
| | - Lindsay M Oberman
- Center for Neuroscience and Regenerative Medicine, Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
| | - Alexander Rotenberg
- Neuromodulation Program, Division of Epilepsy and Clinical Neurophysiology, Department of Neurology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
- F. M. Kirby Neurobiology Center, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
- Berenson-Allen Center for Noninvasive Brain Stimulation, Division of Cognitive Neurology, Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Alvaro Pascual-Leone
- Department of Neurology, Harvard Medical School, Boston, MA, USA.
- Hinda and Arthur Marcus Institute for Aging Research and Deanna and Sidney Wolk Center for Memory Health, Hebrew SeniorLife, Boston, MA, USA.
- Guttmann Brain Health Institute, Institut Guttmann, Barcelona, Spain.
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Fabozzi F, Margoni S, Andreozzi B, Musci MS, Del Baldo G, Boccuto L, Mastronuzzi A, Carai A. Cerebellar mutism syndrome: From pathophysiology to rehabilitation. Front Cell Dev Biol 2022; 10:1082947. [PMID: 36531947 PMCID: PMC9755514 DOI: 10.3389/fcell.2022.1082947] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 11/24/2022] [Indexed: 07/25/2023] Open
Abstract
Cerebellar mutism syndrome (CMS) is a common complication following surgical resection of childhood tumors arising in the posterior fossa. Alteration of linguistic production, up to muteness and emotional lability, generally reported at least 24 h after the intervention, is the hallmark of post-operative CMS. Other associated traits include hypotonia and other cerebellar motor signs, cerebellar cognitive-affective syndrome, motor deficits from the involvement of the long pathways, and cranial neuropathies. Recovery usually takes 6 months, but most children are burdened with long-term residual deficits. The pathogenic mechanism is likely due to the damage occurring to the proximal efferent cerebellar pathway, including the dentate nucleus, the superior cerebellar peduncle, and its decussation in the mesencephalic tegmentum. Proven risk factors include brain stem invasion, diagnosis of medulloblastoma, midline localization, tumor size, invasion of the fourth ventricle, invasion of the superior cerebellar peduncle, left-handedness, and incision of the vermis. Currently, rehabilitation is the cornerstone of the treatment of patients with cerebellar mutism syndrome, and it must consider the three main impaired domains, namely speech, cognition/behavior, and movement.
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Affiliation(s)
- Francesco Fabozzi
- Department of Hematology/Oncology, Cell and Gene Therapy, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
- Department of Pediatrics, Università degli Studi di Roma Tor Vergata, Rome, Italy
| | - Stella Margoni
- School of Medicine, Sapienza Università di Roma, Rome, Italy
| | - Bianca Andreozzi
- Department of Hematology/Oncology, Cell and Gene Therapy, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
| | - Maria Simona Musci
- Department of Hematology/Oncology, Cell and Gene Therapy, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
| | - Giada Del Baldo
- Department of Hematology/Oncology, Cell and Gene Therapy, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
| | - Luigi Boccuto
- School of Nursing, College of Behavioral, Social and Health Science, Clemson University, Clemson, SC, United States
| | - Angela Mastronuzzi
- Department of Hematology/Oncology, Cell and Gene Therapy, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
- Faculty of Medicine and Surgery, Saint Camillus International University of Health Sciences, Rome, Italy
| | - Andrea Carai
- Department of Neurosciences, Neurosurgery Unit, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
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Neurophysiological Impact of Theta Burst Stimulation Followed by Cognitive Exercise in Treatment of Youth Depression. JOURNAL OF AFFECTIVE DISORDERS REPORTS 2022. [DOI: 10.1016/j.jadr.2022.100439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Mayeli A, Clancy KJ, Sonnenschein S, Sarpal DK, Ferrarelli F. A narrative review of treatment interventions to improve cognitive performance in schizophrenia, with an emphasis on at-risk and early course stages. Psychiatry Res 2022; 317:114926. [PMID: 36932470 PMCID: PMC10729941 DOI: 10.1016/j.psychres.2022.114926] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 10/19/2022] [Accepted: 10/22/2022] [Indexed: 10/31/2022]
Abstract
Cognitive dysfunction is a core feature of schizophrenia (SCZ), which unfavorably affects SCZ patients' daily functioning and overall clinical outcome. An increasing body of evidence has shown that cognitive deficits are present not only at the beginning of the illness but also several years before the onset of psychosis. Nonetheless, the majority of treatment interventions targeting cognitive dysfunction in SCZ, using both pharmacological and nonpharmacological approaches, have focused on chronic patients rather than individuals at high risk or in the early stages of the disease. In this article, we provide a narrative review of cognitive interventions in SCZ patients, with a particular focus on pre-emptive interventions in at-risk/early course individuals when available. Furthermore, we discuss current challenges for these pre-emptive treatment interventions and provide some suggestions on how future work may ameliorate cognitive dysfunction in these individuals.
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Affiliation(s)
- Ahmad Mayeli
- Department of Psychiatry, University of Pittsburgh, 3501 Forbes Ave, Suite 456, Pittsburgh, PA 15213, USA
| | - Kevin J Clancy
- Department of Psychiatry, University of Pittsburgh, 3501 Forbes Ave, Suite 456, Pittsburgh, PA 15213, USA
| | - Susan Sonnenschein
- Department of Psychiatry, University of Pittsburgh, 3501 Forbes Ave, Suite 456, Pittsburgh, PA 15213, USA
| | - Deepak K Sarpal
- Department of Psychiatry, University of Pittsburgh, 3501 Forbes Ave, Suite 456, Pittsburgh, PA 15213, USA
| | - Fabio Ferrarelli
- Department of Psychiatry, University of Pittsburgh, 3501 Forbes Ave, Suite 456, Pittsburgh, PA 15213, USA.
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Lucia M, Romanella SM, Di Lorenzo G, Demchenko I, Bhat V, Rossi S, Santarnecchi E. Neural correlates of N-back task performance and proposal for corresponding neuromodulation targets in psychiatric and neurodevelopmental disorders. Psychiatry Clin Neurosci 2022; 76:512-524. [PMID: 35773784 PMCID: PMC10603255 DOI: 10.1111/pcn.13442] [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: 10/05/2021] [Revised: 06/21/2022] [Accepted: 06/23/2022] [Indexed: 11/29/2022]
Abstract
AIM Working memory (WM) deficit represents the most common cognitive impairment in psychiatric and neurodevelopmental disorders, making the identification of its neural substrates a crucial step towards the conceptualization of restorative interventions. We present a meta-analysis focusing on neural activations associated with the most commonly used task to measure WM, the N-back task, in patients with schizophrenia, depressive disorder, bipolar disorder, and attention-deficit/hyperactivity disorder. Showing qualitative similarities and differences in WM processing between patients and healthy controls, we propose possible targets for cognitive enhancement approaches. METHODS Selected studies, following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, were analyzed through the activation likelihood estimate statistical framework, with subsequent generation of disorder-specific N-back activation maps. RESULTS Despite similar WM deficits shared across all disorders, results highlighted different brain activation patterns for each disorder compared with healthy controls. In general, results showed brain activity in frontal, parietal, subcortical, and cerebellar regions; however, reduced engagement of specific nodes of the fronto-parietal network emerged in patients compared with healthy controls. In particular, neither bipolar nor depressive disorders showed detectable activations in the dorsolateral prefrontal cortices, while their parietal activation patterns were lateralized to the left and right hemispheres, respectively. On the other hand, patients with attention-deficit/hyperactivity disorder showed a lack of activation in the left parietal lobe, whereas patients with schizophrenia showed lower activity over the left prefrontal cortex. CONCLUSION These results, together with biophysical modeling, were then used to discuss the design of future disorder-specific cognitive enhancement interventions based on noninvasive brain stimulation.
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Affiliation(s)
- Mencarelli Lucia
- Siena Brain Investigation & Neuromodulation Lab (Si-BIN Lab), Department of Medicine, Surgery and Neuroscience, Neurology and Clinical Neurophysiology Section, University of Siena, Italy
- Precision Neuromodulation Program & Network Control Laboratory, Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Sara 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
- Precision Neuromodulation Program & Network Control Laboratory, Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Giorgio Di Lorenzo
- IRCCS Fondazione Santa Lucia, Rome, Italy
- Laboratory of Psychophysiology and Cognitive Neuroscience, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Ilya Demchenko
- Interventional Psychiatry Program, Centre for Depression & Suicide Studies, St. Michael’s Hospital, Toronto, Ontario, Canada
| | - Venkat Bhat
- Interventional Psychiatry Program, Centre for Depression & Suicide Studies, St. Michael’s Hospital, Toronto, Ontario, Canada
- Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
| | - Simone 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
| | - Emiliano Santarnecchi
- Siena Brain Investigation & Neuromodulation Lab (Si-BIN Lab), Department of Medicine, Surgery and Neuroscience, Neurology and Clinical Neurophysiology Section, University of Siena, Italy
- Precision Neuromodulation Program & Network Control Laboratory, Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
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Razza LB, da Silva PHR, Busatto GF, Duran FLDS, Pereira J, De Smet S, Klein I, Zanão TA, Luethi MS, Baeken C, Vanderhasselt MA, Buchpiguel CA, Brunoni AR. Brain Perfusion Alterations Induced by Standalone and Combined Non-Invasive Brain Stimulation over the Dorsolateral Prefrontal Cortex. Biomedicines 2022; 10:2410. [PMID: 36289672 PMCID: PMC9598449 DOI: 10.3390/biomedicines10102410] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 09/20/2022] [Accepted: 09/21/2022] [Indexed: 11/17/2022] Open
Abstract
Non-invasive brain stimulation (NIBS) interventions are promising for the treatment of psychiatric disorders. Notwithstanding, the NIBS mechanisms of action over the dorsolateral prefrontal cortex (DLPFC), a hub that modulates affective and cognitive processes, have not been completely mapped. We aimed to investigate regional cerebral blood flow (rCBF) changes over the DLPFC and the subgenual anterior cingulate cortex (sgACC) of different NIBS protocols using Single-Photon Emission Computed Tomography (SPECT). A factorial, within-subjects, double-blinded study was performed. Twenty-three healthy subjects randomly underwent four sessions of NIBS applied once a week: transcranial direct current stimulation (tDCS), intermittent theta-burst stimulation (iTBS), combined tDCS + iTBS and placebo. The radiotracer 99m-Technetium-ethylene-cysteine-dimer was injected intravenously during the NIBS session, and SPECT neuroimages were acquired after the session. Results revealed that the combination of tDCS + iTBS increased right sgACC rCBF. Cathodal and anodal tDCS increased and decreased DLPFC rCBF, respectively, while iTBS showed no significant changes compared to the placebo. Our findings suggest that the combined protocol might optimize the activity in the right sgACC and encourage future trials with neuropsychiatric populations. Moreover, mechanistic studies to investigate the effects of tDCS and iTBS over the DLPFC are required.
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Affiliation(s)
- Lais Boralli Razza
- Serviço Interdisciplinar de Neuromodulação, Laboratório de Neurociências (LIM-27), Departamento Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-010, Brazil
- Department of Head and Skin, Psychiatry and Medical Psychology, Ghent University Hospital, Ghent University, 9000 Ghent, Belgium
- Ghent Experimental Psychiatry (GHEP) Lab, Ghent University, 9000 Ghent, Belgium
| | - Pedro Henrique Rodrigues da Silva
- Serviço Interdisciplinar de Neuromodulação, Laboratório de Neurociências (LIM-27), Departamento Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-010, Brazil
| | - Geraldo F. Busatto
- Laboratório de Neuroimagem em Psiquiatria (LIM-21), Instituto de Psiquiatria, Faculdade de Medicina da Universidade de São Paulo, R. Dr. Ovidio Pires de Campos 785, São Paulo 05403-000, Brazil
| | - Fábio Luis de Souza Duran
- Laboratório de Neuroimagem em Psiquiatria (LIM-21), Instituto de Psiquiatria, Faculdade de Medicina da Universidade de São Paulo, R. Dr. Ovidio Pires de Campos 785, São Paulo 05403-000, Brazil
| | - Juliana Pereira
- Serviço Interdisciplinar de Neuromodulação, Laboratório de Neurociências (LIM-27), Departamento Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-010, Brazil
| | - Stefanie De Smet
- Department of Head and Skin, Psychiatry and Medical Psychology, Ghent University Hospital, Ghent University, 9000 Ghent, Belgium
- Ghent Experimental Psychiatry (GHEP) Lab, Ghent University, 9000 Ghent, Belgium
| | - Izio Klein
- Serviço Interdisciplinar de Neuromodulação, Laboratório de Neurociências (LIM-27), Departamento Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-010, Brazil
| | - Tamires A. Zanão
- Serviço Interdisciplinar de Neuromodulação, Laboratório de Neurociências (LIM-27), Departamento Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-010, Brazil
| | - Matthias S. Luethi
- Serviço Interdisciplinar de Neuromodulação, Laboratório de Neurociências (LIM-27), Departamento Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-010, Brazil
| | - Chris Baeken
- Department of Head and Skin, Psychiatry and Medical Psychology, Ghent University Hospital, Ghent University, 9000 Ghent, Belgium
- Ghent Experimental Psychiatry (GHEP) Lab, Ghent University, 9000 Ghent, Belgium
- Department of Psychiatry (UZBrussel), Free University Brussels, 1090 Brussels, Belgium
- Department of Electrical Engineering, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
- Department of Experimental Clinical and Health Psychology, Ghent University, 9000 Ghent, Belgium
| | - Marie-Anne Vanderhasselt
- Department of Head and Skin, Psychiatry and Medical Psychology, Ghent University Hospital, Ghent University, 9000 Ghent, Belgium
- Ghent Experimental Psychiatry (GHEP) Lab, Ghent University, 9000 Ghent, Belgium
| | - Carlos Alberto Buchpiguel
- Divisão de Medicina Nuclear (LIM-43), Instituto de Radiologia, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo 01246-904, Brazil
| | - André Russowsky Brunoni
- Serviço Interdisciplinar de Neuromodulação, Laboratório de Neurociências (LIM-27), Departamento Instituto de Psiquiatria, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo 05403-010, Brazil
- Laboratório de Neuroimagem em Psiquiatria (LIM-21), Instituto de Psiquiatria, Faculdade de Medicina da Universidade de São Paulo, R. Dr. Ovidio Pires de Campos 785, São Paulo 05403-000, Brazil
- Departamento de Clínica Médica, Faculdade de Medicina da Universidade de São Paulo & Hospital Universitário, Universidade de São Paulo, Av. Prof Lineu Prestes 2565, São Paulo 05508-000, Brazil
- Hospital Universitário, Universidade de São Paulo, São Paulo 01246-904, Brazil
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Liu Y, Tang C, Wei K, Liu D, Tang K, Chen M, Xia X, Mao Z. Transcranial alternating current stimulation combined with sound stimulation improves the cognitive function of patients with Alzheimer's disease: A case report and literature review. Front Neurol 2022; 13:962684. [PMID: 36212652 PMCID: PMC9539040 DOI: 10.3389/fneur.2022.962684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 07/18/2022] [Indexed: 11/13/2022] Open
Abstract
Transcranial alternating current stimulation (tACS) is a relatively new non-invasive brain electrical stimulation method for the treatment of patients with Alzheimer's disease (AD), but it has poor offline effects. Therefore, we applied a new combined stimulation method to observe the offline effect on the cognitive function of patients with AD. Here, we describe the clinical results of a case in which tACS combined with sound stimulation was applied to treat moderate AD. The patient was a 73-year-old woman with a 2-year history of persistent cognitive deterioration despite the administration of Aricept and Sodium Oligomannate. Therefore, the patient received tACS combined with sound stimulation. Her cognitive scale scores improved after 15 sessions and continued to improve at 4 months of follow-up. Although the current report may provide a new alternative therapy for patients with AD, more clinical data are needed to support its efficacy.
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Affiliation(s)
- Yang Liu
- Department of Neurosurgery, Affiliated Hospital of Guilin Medical University, Guilin, China
| | - Can Tang
- Department of Neurosurgery, Affiliated Hospital of Guilin Medical University, Guilin, China
| | - Kailun Wei
- Department of Neurosurgery, Affiliated Hospital of Guilin Medical University, Guilin, China
| | - Di Liu
- Guangzhou Kangzhi Digital Technology Co., Ltd., Guangzhou, China
| | - Keke Tang
- Guangzhou Kangzhi Digital Technology Co., Ltd., Guangzhou, China
| | - Meilian Chen
- Guangzhou Kangzhi Digital Technology Co., Ltd., Guangzhou, China
| | - Xuewei Xia
- Department of Neurosurgery, Affiliated Hospital of Guilin Medical University, Guilin, China
- *Correspondence: Xuewei Xia
| | - Zhiqi Mao
- Department of Neurosurgery, Chinese PLA General Hospital, Beijing, China
- Zhiqi Mao
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Spencer S, Mielczarek M, Olszewski J, Sereda M, Joossen I, Vermeersch H, Gilles A, Michiels S. Effectiveness of bimodal auditory and electrical stimulation in patients with tinnitus: A feasibility study. Front Neurosci 2022; 16:971633. [PMID: 36090280 PMCID: PMC9449838 DOI: 10.3389/fnins.2022.971633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 08/05/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundTinnitus is a common symptom, affecting about 10–15% of the adult population. When input from the somatosensory system can influence and/or elicit tinnitus, this type of subjective tinnitus is called somatosensory tinnitus. Recently, a new type of bimodal neurostimulation treatment has shown promising results for a specific subgroup within the somatosensory tinnitus population. It is, however, not clear if this bimodal stimulation is also effective in patients with other types of subjective tinnitus.AimThe aim of this study was to evaluate the feasibility and efficacy of non-invasive bimodal auditory-somatosensory stimulation in reducing tinnitus severity among a general population of people with subjective tinnitus.MethodsChronic subjective tinnitus patients were recruited from the ENT department of the Antwerp University Hospital. Somatosensory stimulation was delivered by Transcutaneous Electrical Nerve Stimulation (TENS), and it was combined with auditory stimulation via headphones. The therapy comprised six sessions of thirty minutes twice a week for a period of 3 consecutive weeks. Follow up measurements were scheduled 9–12 weeks after the last treatment session. The change of the Tinnitus Functional Index (TFI) score, a questionnaire evaluating tinnitus burden and effects on the quality of life, was the primary outcome measure.ResultsTwenty-nine patients were enrolled in the study. A linear mixed-effects model was used to analyze the efficacy of bimodal treatment. The results of this analysis showed a statistically significant decrease (by 6, 9 points) in average TFI score at the follow up visit when compared to baseline. The ability to modulate tinnitus did not have an influence on the treatment results.ConclusionOur study showed that bimodal stimulation is a feasible and safe method of tinnitus treatment. The method might be an effective treatment for some participants with tinnitus, especially those who have accompanying neck/temporomandibular problems, although, the evidence from this trial is quite weak. Additional research is needed toward establishing the optimal treatment protocol, as well as selecting the most appropriate inclusion criteria.
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Affiliation(s)
- Shikha Spencer
- Department of Otolaryngology, Laryngological Oncology, Audiology and Phoniatrics, Medical University of Lodz, Lodz, Poland
| | - Marzena Mielczarek
- Department of Otolaryngology, Laryngological Oncology, Audiology and Phoniatrics, Medical University of Lodz, Lodz, Poland
| | - Jurek Olszewski
- Department of Otolaryngology, Laryngological Oncology, Audiology and Phoniatrics, Medical University of Lodz, Lodz, Poland
| | - Magdalena Sereda
- School of Medicine, Hearing Sciences, Mental Health and Clinical Neurosciences, University of Nottingham, Nottingham, United Kingdom
- National Institute for Health and Care Research (NIHR) Nottingham Biomedical Research Centre, Nottingham, United Kingdom
| | - Iris Joossen
- Department of Otorhinolaryngology, Antwerp University Hospital, Edegem, Belgium
| | - Hanne Vermeersch
- Department of Otorhinolaryngology, Antwerp University Hospital, Edegem, Belgium
| | - Annick Gilles
- Department of Otorhinolaryngology, Antwerp University Hospital, Edegem, Belgium
- Department of Translational Neurosciences, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
- Department of Education, Health and Social Work, University College Ghent, Ghent, Belgium
| | - Sarah Michiels
- Department of Otorhinolaryngology, Antwerp University Hospital, Edegem, Belgium
- REVAL—Rehabilitation Research Center, Hasselt University, Diepenbeek, Belgium
- *Correspondence: Sarah Michiels,
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Lechner WV, Philip NS, Kahler CW, Houben K, Tirrell E, Carpenter LL. Combined Working Memory Training and Transcranial Magnetic Stimulation Demonstrates Low Feasibility and Potentially Worse Outcomes on Delay to Smoking and Cognitive Tasks: A Randomized 2 × 2 Factorial Design Pilot and Feasibility Study. Nicotine Tob Res 2022; 24:1871-1880. [PMID: 35907262 PMCID: PMC9653077 DOI: 10.1093/ntr/ntac183] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 07/13/2022] [Accepted: 07/25/2022] [Indexed: 01/03/2023]
Abstract
INTRODUCTION Repetitive Transcranial Magnetic Stimulation (rTMS) has shown promising results in treating several Substance Use Disorders including Tobacco Use Disorder. However, questions remain regarding how to optimize treatment outcomes. Enhancement of working memory by rTMS is a potential therapeutic mechanism. The current pilot study examined whether rTMS plus a cognitive training program could enhance the effects of rTMS on smoking behaviors using a controlled, factorial design. AIMS AND METHODS We hypothesized that cognitive training plus stimulation would improve control over smoking behaviors, resulting in enhanced cognitive performance and increased latency to smoke on a delay to smoking analog task. Using a 2 × 2 factorial design, nicotine dependent smokers (n = 43) were randomized to receive 10 sessions of active (10 Hz) or sham rTMS delivered to the left dorsolateral prefrontal cortex, plus active or sham working memory training (WMT) prior to and following stimulation. RESULTS Contrary to hypotheses, we observed a significant interaction effect, indicating that combining the two active interventions (rTMS+WMT) resulted in worse performance on the smoking analog task (B = -33.0, 95% CI = -64.39, -1.61, p < .05), compared to delivering either intervention alone. Additionally, although active rTMS (compared to sham rTMS) improved letter-sequencing performance (B = 1.23, 95% CI = 0.08-2.38, p < .05), and active WMT (compared to sham WMT) improved back-digit task performance (B = 1.53, 95% CI = 0.02-3.05, p < .05), combining interventions worsened the effect of each on a back-digit task (B = -3.01, 95% CI = -5.96, -0.052, p < .05). CONCLUSIONS These preliminary findings indicate potential iatrogenic effects of combining rTMS and this working memory training intervention and underscore the need for rigorous evaluation of substance specific conceptual frameworks when selecting future combination interventions. IMPLICATIONS Counter to hypothesis, this study found no additional benefit of adding a working memory training program to a rTMS protocol in a sample of daily smokers. The combination condition (active rTMS + active training) resulted in worse performance on a delay to smoking analog task and a measure of working memory performance compared to delivering either intervention alone. These preliminary findings inform strategies for optimizing rTMS in smokers and highlight the need for future studies to consider several key components of candidate combination interventions, including effects on regulation of substance use. CLINICAL TRIAL REGISTRATION (IF ANY) The trial was registered at ClinicalTrials.gov (NCT03337113).
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Affiliation(s)
- William V Lechner
- Corresponding Author: William V. Lechner, PhD, Department of Psychological Sciences, Kent State University, 600 Hilltop Dr., Kent, OH 44242, USA. Telephone: (330) 672-3786; E-mail:
| | - Noah S Philip
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA,Butler Hospital TMS Clinic and Neuromodulation Research Facility, Providence, RI, USA,VA RR&D Center for Neurorestoration and Neurotechnology, VA Providence Healthcare System, Providence, RI, USA
| | - Christopher W Kahler
- Center for Alcohol and Addiction Studies and the Department of Behavioral and Social Sciences, Brown University School of Public Health, Providence, RI, USA
| | - Katrijn Houben
- Department of Clinical Psychological Science, Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, The Netherlands
| | - Eric Tirrell
- Butler Hospital TMS Clinic and Neuromodulation Research Facility, Providence, RI, USA
| | - Linda L Carpenter
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA,Butler Hospital TMS Clinic and Neuromodulation Research Facility, Providence, RI, USA
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Riddle J, Frohlich F. Mental Activity as the Bridge between Neural Biomarkers and Symptoms of Psychiatric Illness. Clin EEG Neurosci 2022:15500594221112417. [PMID: 35861807 DOI: 10.1177/15500594221112417] [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] [Indexed: 11/17/2022]
Abstract
The Research Domain Criteria (RDoC) initiative challenges researchers to build neurobehavioral models of psychiatric illness with the hope that such models identify better targets that will yield more effective treatment. However, a guide for building such models was not provided and symptom heterogeneity within Diagnostic Statistical Manual categories has hampered progress in identifying endophenotypes that underlie mental illness. We propose that the best chance to discover viable biomarkers and treatment targets for psychiatric illness is to investigate a triangle of relationships: severity of a specific psychiatric symptom that correlates to mental activity that correlates to a neural activity signature. We propose that this is the minimal model complexity required to advance the field of psychiatry. With an understanding of how neural activity relates to the experience of the patient, a genuine understanding for how treatment imparts its therapeutic effect is possible. After the discovery of this three-fold relationship, causal testing is required in which the neural activity pattern is directly enhanced or suppressed to provide causal, instead of just correlational, evidence for the biomarker. We suggest using non-invasive brain stimulation (NIBS) as these techniques provide tools to precisely manipulate spatial and temporal activity patterns. We detail how this approach enabled the discovery of two orthogonal electroencephalography (EEG) activity patterns associated with anhedonia and anxiosomatic symptoms in depression that can serve as future treatment targets. Altogether, we propose a systematic approach for building neurobehavioral models for dimensional psychiatry.
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Affiliation(s)
- Justin Riddle
- Department of Psychiatry, 6797University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.,Carolina Center for Neurostimulation, 6797University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Flavio Frohlich
- Department of Psychiatry, 6797University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.,Carolina Center for Neurostimulation, 6797University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.,Department of Neurology, 6797University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.,Department of Cell Biology and Physiology, 6797University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.,Department of Biomedical Engineering, 6797University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.,Neuroscience Center, 6797University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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Aust S, Brakemeier EL, Spies J, Herrera-Melendez AL, Kaiser T, Fallgatter A, Plewnia C, Mayer SV, Dechantsreiter E, Burkhardt G, Strauß M, Mauche N, Normann C, Frase L, Deuschle M, Böhringer A, Padberg F, Bajbouj M. Efficacy of Augmentation of Cognitive Behavioral Therapy With Transcranial Direct Current Stimulation for Depression: A Randomized Clinical Trial. JAMA Psychiatry 2022; 79:528-537. [PMID: 35442431 PMCID: PMC9021985 DOI: 10.1001/jamapsychiatry.2022.0696] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
IMPORTANCE Major depressive disorder (MDD) affects approximately 10% of the population globally. Approximately 20% to 30% of patients with MDD do not sufficiently respond to standard treatment. Therefore, there is a need to develop more effective treatment strategies. OBJECTIVE To investigate whether the efficacy of cognitive behavioral therapy (CBT) for the treatment of MDD can be enhanced by concurrent transcranial direct current stimulation (tDCS). DESIGN, SETTING, AND PARTICIPANTS The double-blind, placebo-controlled randomized clinical trial PsychotherapyPlus was conducted at 6 university hospitals across Germany. Enrollment took place between June 2, 2016, and March 10, 2020; follow-up was completed August 27, 2020. Adults aged 20 to 65 years with a single or recurrent depressive episode were eligible. They were either not receiving medication or were receiving a stable regimen of antidepressant medication (selective serotonin reuptake inhibitor and/or mirtazapine). A total of 148 women and men underwent randomization: 53 individuals were assigned to CBT alone (group 0), 48 to CBT plus tDCS (group 1), and 47 to CBT plus sham-tDCS (group 2). INTERVENTIONS Participants attended a 6-week group intervention comprising 12 sessions of CBT. If assigned, tDCS was applied simultaneously. Active tDCS included stimulation with an intensity of 2 mA for 30 minutes (anode over F3, cathode over F4). MAIN OUTCOMES AND MEASURES The primary outcome was the change in Montgomery-Åsberg Depression Rating Scale (MADRS) score from baseline to posttreatment in the intention-to-treat sample. Scores of 0 to 6 indicate no depression; 7 to 19, mild depression; 20 to 34, moderate depression; and 34 and higher, severe depression. RESULTS A total of 148 patients (89 women, 59 men; mean [SD] age, 41.1 [13.7] years; MADRS score at baseline, 23.0 [6.4]) were randomized. Of these, 126 patients (mean [SD] age, 41.5 [14.0] years; MADRS score at baseline, 23.0 [6.3]) completed the study. In each of the intervention groups, intervention was able to reduce MADRS scores by a mean of 6.5 points (95% CI, 3.82-9.14 points). The Cohen d value was -0.90 (95% CI, -1.43 to -0.50), indicating a significant effect over time. However, there was no significant effect of group and no significant interaction of group × time, indicating the estimated additive effects were not statistically significant. There were no severe adverse events throughout the whole trial, and there were no significant differences of self-reported adverse effects during and after stimulation between groups 1 and 2. CONCLUSIONS AND RELEVANCE Based on MADRS score changes, this trial did not indicate superior efficacy of tDCS-enhanced CBT compared with 2 CBT control conditions. The study confirmed that concurrent group CBT and tDCS is safe and feasible. However, additional research on mechanisms of neuromodulation to complement CBT and other behavioral interventions is needed. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT02633449.
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Affiliation(s)
- Sabine Aust
- Charité–Universitätsmedizin Berlin, Department of Psychiatry, Campus Benjamin Franklin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Eva-Lotta Brakemeier
- Department of Clinical Psychology and Psychotherapy, Universität Greifswald, Greifswald, Germany
| | - Jan Spies
- Charité–Universitätsmedizin Berlin, Department of Psychiatry, Campus Benjamin Franklin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Ana Lucia Herrera-Melendez
- Charité–Universitätsmedizin Berlin, Department of Psychiatry, Campus Benjamin Franklin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Tim Kaiser
- Department of Clinical Psychology and Psychotherapy, Universität Greifswald, Greifswald, Germany
| | - Andreas Fallgatter
- Universitätsklinik für Psychiatrie und Psychotherapie, Neurophysiologie & Interventionelle Neuropsychiatrie, Tübingen Center for Mental Health, Universitätsklinikum Tübingen, Tübingen, Germany
| | - Christian Plewnia
- Universitätsklinik für Psychiatrie und Psychotherapie, Neurophysiologie & Interventionelle Neuropsychiatrie, Tübingen Center for Mental Health, Universitätsklinikum Tübingen, Tübingen, Germany
| | - Sarah V. Mayer
- Universitätsklinik für Psychiatrie und Psychotherapie, Neurophysiologie & Interventionelle Neuropsychiatrie, Tübingen Center for Mental Health, Universitätsklinikum Tübingen, Tübingen, Germany
| | - Esther Dechantsreiter
- Department of Psychiatry and Psychotherapy, LMU University Hospital, Munich, Germany
| | - Gerrit Burkhardt
- Department of Psychiatry and Psychotherapy, LMU University Hospital, Munich, Germany
| | - Maria Strauß
- Department of Psychiatry and Psychotherapy, University Hospital Leipzig, Leipzig, Germany
| | - Nicole Mauche
- Department of Psychiatry and Psychotherapy, University Hospital Leipzig, Leipzig, Germany
| | - Claus Normann
- Department of Psychiatry and Psychotherapy, Medical Center, Faculty of Medicine & Center for Basics in NeuroModulation, University of Freiburg, Freiburg, Germany
| | - Lukas Frase
- Department of Psychiatry and Psychotherapy, Medical Center, Faculty of Medicine & Center for Basics in NeuroModulation, University of Freiburg, Freiburg, Germany
| | - Michael Deuschle
- Central Institute for Mental Health, University of Heidelberg/Medical Faculty Mannheim, Mannheim, Germany
| | - Andreas Böhringer
- Central Institute for Mental Health, University of Heidelberg/Medical Faculty Mannheim, Mannheim, Germany
| | - Frank Padberg
- Department of Psychiatry and Psychotherapy, LMU University Hospital, Munich, Germany
| | - Malek Bajbouj
- Charité–Universitätsmedizin Berlin, Department of Psychiatry, Campus Benjamin Franklin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
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Borrione L, Cirillo PC, Aparicio LVM, Cavendish BA, Valiengo L, Moura DO, de Souza JP, Luethi MS, Klein I, Bariani B, Gallucci-Neto J, Suen P, Padberg F, Goerigk S, Vanderhasselt MA, De Deng Z, O’Shea J, Lotufo PA, Bensenor IM, Brunoni AR. A study protocol for an ongoing multi-arm, randomized, double-blind, sham-controlled clinical trial with digital features, using portable transcranial electrical stimulation and internet-based behavioral therapy for major depression disorders: The PSYLECT study. Expert Rev Neurother 2022; 22:513-523. [PMID: 35642516 PMCID: PMC10627342 DOI: 10.1080/14737175.2022.2083959] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 05/26/2022] [Indexed: 11/04/2022]
Abstract
BACKGROUND Transcranial electrical stimulation (tES) is considered effective and safe for depression, albeit modestly, and prone to logistical burdens when performed in external facilities. Investigation of portable tES (ptES), and potentiation of ptES with remote psychological interventions have shown positive, but preliminary, results. RESEARCH DESIGN We report the rationale and design of an ongoing multi-arm, randomized, double-blind, sham-controlled clinical trial with digital features, using ptES and internet-based behavioral therapy (iBT) for major depressive disorder (MDD) (NCT04889976). METHODS We will evaluate the efficacy, safety, tolerability and usability of (1) active ptES + active iBT ('double-active'), (2) active ptES + sham iBT ('ptES-only'), and (3) sham ptES + sham iBT ('double-sham'), in adults with MDD, with a Hamilton Depression Rating Scale - 17 item version (HDRS-17) score ≥ 17 at baseline, during 6 weeks. Antidepressants are allowed in stable doses during the trial. RESULTS We primarily co-hypothesize changes in HDRS-17 will be greater in (1) 'double-active' compared to 'ptES-only,' (2) 'double-active' compared to 'double-sham,' and (3) 'ptES-only' compared to 'double-sham.' We aim to enroll 210 patients (70 per arm). CONCLUSIONS Our results should offer new insights regarding the efficacy and scalability of combined ptES and iBT for MDD, in digital mental health.
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Affiliation(s)
- Lucas Borrione
- 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
| | - Patricia C Cirillo
- 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
| | - Luana VM Aparicio
- 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
| | - Beatriz A Cavendish
- 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
| | - Leandro Valiengo
- 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
| | - Darin O Moura
- 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
| | - Juliana P de Souza
- 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
| | - Matthias S Luethi
- 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
| | - Izio Klein
- 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
| | - Bruna Bariani
- 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
| | - José Gallucci-Neto
- 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
| | - Paulo Suen
- 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
| | - Frank Padberg
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, Germany
| | - Stephan Goerigk
- Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, Germany
| | - Marie-Anne Vanderhasselt
- Department of Head and Skin, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
- Ghent Experimental Psychiatry (GHEP) lab, Ghent University, Ghent, Belgium
- Department of Experimental Clinical and Health Psychology, Psychopathology and Affective Neuroscience Lab, Ghent University, Ghent, Belgium
| | - Zhi De Deng
- Noninvasive Neuromodulation Unit, Experimental Therapeutic & Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, North Carolina, USA
| | - Jacinta O’Shea
- Wellcome Centre for Integrative Neuroimaging, Oxford Centre for Human Brain Activity, Department of Psychiatry, Warneford Hospital, University of Oxford, Oxford, UK
| | - Paulo A Lotufo
- Center for Clinical and Epidemiological Research & Interdisciplinary Center for Applied Neuromodulation, University Hospital, University of São Paulo, São Paulo, Brazil
| | - Isabela M Bensenor
- Center for Clinical and Epidemiological Research & Interdisciplinary Center for Applied Neuromodulation, University Hospital, University of São Paulo, São Paulo, Brazil
| | - Andre R Brunoni
- 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
- Center for Clinical and Epidemiological Research & Interdisciplinary Center for Applied Neuromodulation, University Hospital, University of São Paulo, São Paulo, Brazil
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State-dependent effects of neural stimulation on brain function and cognition. Nat Rev Neurosci 2022; 23:459-475. [PMID: 35577959 DOI: 10.1038/s41583-022-00598-1] [Citation(s) in RCA: 49] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/20/2022] [Indexed: 01/02/2023]
Abstract
Invasive and non-invasive brain stimulation methods are widely used in neuroscience to establish causal relationships between distinct brain regions and the sensory, cognitive and motor functions they subserve. When combined with concurrent brain imaging, such stimulation methods can reveal patterns of neuronal activity responsible for regulating simple and complex behaviours at the level of local circuits and across widespread networks. Understanding how fluctuations in physiological states and task demands might influence the effects of brain stimulation on neural activity and behaviour is at the heart of how we use these tools to understand cognition. Here we review the concept of such 'state-dependent' changes in brain activity in response to neural stimulation, and consider examples from research on altered states of consciousness (for example, sleep and anaesthesia) and from task-based manipulations of selective attention and working memory. We relate relevant findings from non-invasive methods used in humans to those obtained from direct electrical and optogenetic stimulation of neuronal ensembles in animal models. Given the widespread use of brain stimulation as a research tool in the laboratory and as a means of augmenting or restoring brain function, consideration of the influence of changing physiological and cognitive states is crucial for increasing the reliability of these interventions.
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45
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Webler RD, Fox J, McTeague LM, Burton PC, Dowdle L, Short EB, Borckardt JJ, Li X, George MS, Nahas Z. DLPFC stimulation alters working memory related activations and performance: An interleaved TMS-fMRI study. Brain Stimul 2022; 15:823-832. [DOI: 10.1016/j.brs.2022.05.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 05/09/2022] [Accepted: 05/17/2022] [Indexed: 12/31/2022] Open
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Vergallito A, Feroldi S, Pisoni A, Romero Lauro LJ. Inter-Individual Variability in tDCS Effects: A Narrative Review on the Contribution of Stable, Variable, and Contextual Factors. Brain Sci 2022; 12:522. [PMID: 35624908 PMCID: PMC9139102 DOI: 10.3390/brainsci12050522] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 04/08/2022] [Accepted: 04/14/2022] [Indexed: 01/27/2023] Open
Abstract
Due to its safety, portability, and cheapness, transcranial direct current stimulation (tDCS) use largely increased in research and clinical settings. Despite tDCS's wide application, previous works pointed out inconsistent and low replicable results, sometimes leading to extreme conclusions about tDCS's ineffectiveness in modulating behavioral performance across cognitive domains. Traditionally, this variability has been linked to significant differences in the stimulation protocols across studies, including stimulation parameters, target regions, and electrodes montage. Here, we reviewed and discussed evidence of heterogeneity emerging at the intra-study level, namely inter-individual differences that may influence the response to tDCS within each study. This source of variability has been largely neglected by literature, being results mainly analyzed at the group level. Previous research, however, highlighted that only a half-or less-of studies' participants could be classified as responders, being affected by tDCS in the expected direction. Stable and variable inter-individual differences, such as morphological and genetic features vs. hormonal/exogenous substance consumption, partially account for this heterogeneity. Moreover, variability comes from experiments' contextual elements, such as participants' engagement/baseline capacity and individual task difficulty. We concluded that increasing knowledge on inter-dividual differences rather than undermining tDCS effectiveness could enhance protocols' efficiency and reproducibility.
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Affiliation(s)
- Alessandra Vergallito
- Department of Psychology & NeuroMi, University of Milano Bicocca, 20126 Milano, Italy; (A.P.); (L.J.R.L.)
| | - Sarah Feroldi
- School of Medicine and Surgery, University of Milano-Bicocca, 20854 Monza, Italy;
| | - Alberto Pisoni
- Department of Psychology & NeuroMi, University of Milano Bicocca, 20126 Milano, Italy; (A.P.); (L.J.R.L.)
| | - Leonor J. Romero Lauro
- Department of Psychology & NeuroMi, University of Milano Bicocca, 20126 Milano, Italy; (A.P.); (L.J.R.L.)
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47
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He J, Tang Y, Lin J, Faulkner G, Tsang HWH, Chan SHW. Non-invasive brain stimulation combined with psychosocial intervention for depression: a systematic review and meta-analysis. BMC Psychiatry 2022; 22:273. [PMID: 35439977 PMCID: PMC9016381 DOI: 10.1186/s12888-022-03843-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 03/07/2022] [Indexed: 02/08/2023] Open
Abstract
OBJECTIVES This review investigates the efficacy and safety of non-invasive brain stimulation (NIBS) combined with psychosocial intervention on depressive symptoms. MATERIALS AND METHODS We systematically searched five electronic databases from their inception to June 2021: PubMed, Embase, PsycINFO, Web of Science, and Medline. Randomized or non-randomized clinical trials in which NIBS plus psychosocial intervention was compared to control conditions in people with depressive symptoms were included. RESULTS A total of 17 eligible studies with 660 participants were included. The meta-analysis results showed that NIBS combined with psychosocial therapy had a positive effect on moderate to severe depression ([SMD = - 0.46, 95%CI (- 0.90, - 0.02), I2 = 73%, p < .01]), but did not significantly improve minimal to mild depression ([SMD = - 0.12, 95%CI (- 0.42, 0.18), I2 = 0%, p = .63]). Compared with NIBS alone, the combination treatment had a significantly greater effect in alleviating depressive symptoms ([SMD = - 0.84, 95%CI (- 1.25, - 0.42), I2 = 0%, p = .93]). However, our results suggested that the pooled effect size of ameliorating depression of NIBS plus psychosocial intervention had no significant difference compared with the combination of sham NIBS [SMD = - 0.12, 95%CI (- 0.31, 0.07), I2 = 0%, p = .60] and psychosocial intervention alone [SMD = - 0.97, 95%CI (- 2.32, 0.38), I2 = 72%, p = .01]. CONCLUSION NIBS when combined with psychosocial intervention has a significant positive effect in alleviating moderately to severely depressive symptoms. Further well-designed studies of NIBS combined with psychosocial intervention on depression should be carried out to consolidate the conclusions and explore the in-depth underlying mechanism.
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Affiliation(s)
- Jiali He
- grid.16890.360000 0004 1764 6123Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
| | - Yiling Tang
- grid.17091.3e0000 0001 2288 9830School of Kinesiology, University of British Columbia, Vancouver, British Columbia Canada
| | - Jingxia Lin
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong. .,Mental Health Research Centre, The Hong Kong Polytechnic University, Hong Kong, SAR, China.
| | - Guy Faulkner
- grid.17091.3e0000 0001 2288 9830School of Kinesiology, University of British Columbia, Vancouver, British Columbia Canada
| | - Hector W. H. Tsang
- grid.16890.360000 0004 1764 6123Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong ,grid.16890.360000 0004 1764 6123Mental Health Research Centre, The Hong Kong Polytechnic University, Hong Kong, SAR China
| | - Sunny H. W. Chan
- grid.6518.a0000 0001 2034 5266School of Health and Social Wellbeing, University of the West of England, England, UK
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48
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Comeau N, Monetta L, Schneider C. Noninvasive stimulation of the unlesioned hemisphere and phonological treatment in a case of chronic anomia post-stroke. Neurocase 2022; 28:206-217. [PMID: 35580361 DOI: 10.1080/13554794.2022.2068374] [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] [Indexed: 10/18/2022]
Abstract
Chronic lexical anomia after left hemisphere (LH) stroke improves under personalized phonological treatment (PT). Cortical linking between language and hand motor areas (hand_M1) questioned whether PT-related improvement relies on the unlesioned hemisphere (UH) plasticity when LH is dysfunctional. Our 70-yo-woman case study showed that 10 sessions of excitatory stimulation of UH_hand-M1 combined with PT hastened oral picture naming improvement as compared to sham+PT and changes were maintained together with changes of untrained items andcorticomotor excitability increase. This supports a role of stimulation-induced plasticity of UH_hand M1 in language recovery, at least in the improvement of lexical anomia in chronic stroke.
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Affiliation(s)
- Noémie Comeau
- Neuroscience Division, Noninvasive Neurostimulation Laboratory, Research Center of CHU de Québec - Université Laval, Québec, Canada
| | - Laura Monetta
- Faculty of Medicine Université Laval, Quebec, Canada.,Department of Rehabilitation, Faculty of Medicine, Université Laval, Quebec, Canada.,CIRRIS Research Center, Quebec, Canada
| | - Cyril Schneider
- Neuroscience Division, Noninvasive Neurostimulation Laboratory, Research Center of CHU de Québec - Université Laval, Québec, Canada.,Faculty of Medicine Université Laval, Quebec, Canada.,Department of Rehabilitation, Faculty of Medicine, Université Laval, Quebec, Canada
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49
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Perrotta D, Perri RL. Mini-review: When neurostimulation joins cognitive-behavioral therapy. On the need of combining evidence-based treatments for addiction disorders. Neurosci Lett 2022; 777:136588. [PMID: 35341891 DOI: 10.1016/j.neulet.2022.136588] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 12/29/2021] [Accepted: 03/22/2022] [Indexed: 11/18/2022]
Abstract
Substance and behavioral addiction is a global health problem related to cognitive functioning and emotional responses like top-down control and craving. The present review discusses the role of non-invasive brain stimulation (NIBS) and cognitive-behavioral therapy (CBT) as evidence-based treatments for addiction disorders. The discussion spans between several evidence for both therapies, also considering the difference and heterogeneity among clinical protocols. Nowadays, literature is consistent in indicating the neurostimulation of the prefrontal cortex as effective for different kinds of addiction, corroborating the evidence that they rely on a common network in the brain. Likewise, within the CBT studies it is possible to observe a wide range of interventions that are overall effective in regulating the executive functions associated with addiction disorders. Nevertheless, the integration of NIBS and CBT in addictions has been scarcely considered in literature so far. For this reason, the present article is meant to foster empirical research in this field by highlighting the findings supporting these evidence-based interventions, both as stand-alone and integrated treatments. To this aim, psychological and neurophysiological mechanisms of NIBS and CBT in addictions are reviewed, and the rationale of their integration discussed. In particular, as evidence suggest these treatments affect top-down and bottom-up processes in different ways, with NIBS reducing craving and CBT boosting motivation and coping, we suggest their combination might better target the different components of addiction to promote abstinence.
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50
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Giel KE, Schag K, Martus P, Max SM, Plewnia C. Ameliorating cognitive control in patients with binge eating disorder by electrical brain stimulation: study protocol of the randomized controlled ACCElect pilot trial. J Eat Disord 2022; 10:26. [PMID: 35183261 PMCID: PMC8857741 DOI: 10.1186/s40337-022-00544-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 01/27/2022] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND The current first-line treatment for binge eating disorder (BED), which is psychotherapy, is moderately effective in terms of abstinence from binge-eating. Neurobiological evidence suggests that people affected by BED show difficulties along the spectrum of impulsivity, including inhibitory control impairments and highlights the potential of novel treatment approaches directly targeting inhibitory control, including cognitive training approaches and non-invasive brain stimulation. METHODS ACCElect is a prospective, randomized controlled pilot trial investigating a novel, food-related inhibitory control training combined with transcranial direct current stimulation (tDCS). 40 patients with BED will be randomly assigned to receive the training either combined with verum or with sham stimulation (control condition). The inhibitory control training is based on principles of the antisaccade paradigm and comprises six training sessions over two weeks. Core aims are the investigation of feasibility and clinically relevant effects of a tDCS-enhanced inhibitory control training in BED patients and the establishment of a data basis for a larger efficacy trial. The primary clinical endpoint is binge-eating (BE) frequency in terms of changes in BE episodes four weeks after treatment termination as compared to baseline. Key secondary outcomes comprise ED pathology and general psychopathology, inhibitory control capacities, quality of life as well as acceptability and satisfaction with the intervention. DISCUSSION The results of the present trial will contribute to the development of novel neurobiologically informed treatment approaches for patients suffering from BED. Trial registration The ACCElect trial was prospectively registered on October 1, 2020, under the registration number NCT04572087 at ClinicalTrials.gov ( https://clinicaltrials.gov/ct2/show/NCT04572087 ).
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Affiliation(s)
- Katrin E Giel
- Department of Psychosomatic Medicine and Psychotherapy, Medical University Hospital Tübingen, Eberhard Karls University Tübingen, Osianderstr. 5, 72076, Tübingen, Germany.
- Center of Excellence for Eating Disorders, Tübingen, Germany.
| | - Kathrin Schag
- Department of Psychosomatic Medicine and Psychotherapy, Medical University Hospital Tübingen, Eberhard Karls University Tübingen, Osianderstr. 5, 72076, Tübingen, Germany
- Center of Excellence for Eating Disorders, Tübingen, Germany
| | - Peter Martus
- Institute for Clinical Epidemiology and Applied Biostatistics, Medical Faculty, Eberhard Karls University Tübingen, Tübingen, Germany
| | - Sebastian M Max
- University Hospital of Psychiatry and Psychotherapy, Tübingen, Germany
| | - Christian Plewnia
- University Hospital of Psychiatry and Psychotherapy, Tübingen, Germany
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