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Hall JD, Green JM, Chen YCA, Liu Y, Zhang H, Sundman MH, Chou YH. Exploring the potential of combining transcranial magnetic stimulation and electroencephalography to investigate mild cognitive impairment and Alzheimer's disease: a systematic review. GeroScience 2024; 46:3659-3693. [PMID: 38356029 PMCID: PMC11226590 DOI: 10.1007/s11357-024-01075-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 01/02/2024] [Indexed: 02/16/2024] Open
Abstract
Transcranial magnetic stimulation (TMS) and electroencephalography (EEG) are non-invasive techniques used for neuromodulation and recording brain electrical activity, respectively. The integration of TMS-EEG has emerged as a valuable tool for investigating the complex mechanisms involved in age-related disorders, such as mild cognitive impairment (MCI) and Alzheimer's disease (AD). By systematically synthesizing TMS-EEG studies, this review aims to shed light on the neurophysiological mechanisms underlying MCI and AD, while also exploring the practical applications of TMS-EEG in clinical settings. PubMed, ScienceDirect, and PsychInfo were selected as the databases for this review. The 22 eligible studies included a total of 592 individuals with MCI or AD as well as 301 cognitively normal adults. TMS-EEG assessments unveiled specific patterns of corticospinal excitability, plasticity, and brain connectivity that distinguished individuals on the AD spectrum from cognitively normal older adults. Moreover, the TMS-induced EEG features were observed to be correlated with cognitive performance and the presence of AD pathological biomarkers. The comprehensive examination of the existing studies demonstrates that the combination of TMS and EEG has yielded valuable insights into the neurophysiology of MCI and AD. This integration shows great potential for early detection, monitoring disease progression, and anticipating response to treatment. Future research is of paramount importance to delve into the potential utilization of TMS-EEG for treatment optimization in individuals with MCI and AD.
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Affiliation(s)
- J D Hall
- Brain Imaging and TMS Laboratory, Department of Psychology, University of Arizona, 1230 N Cherry Ave., Tucson, AZ, USA
| | - Jacob M Green
- Brain Imaging and TMS Laboratory, Department of Psychology, University of Arizona, 1230 N Cherry Ave., Tucson, AZ, USA
| | - Yu-Chin A Chen
- Brain Imaging and TMS Laboratory, Department of Psychology, University of Arizona, 1230 N Cherry Ave., Tucson, AZ, USA
| | - Yilin Liu
- Brain Imaging and TMS Laboratory, Department of Psychology, University of Arizona, 1230 N Cherry Ave., Tucson, AZ, USA
| | - Hangbin Zhang
- Brain Imaging and TMS Laboratory, Department of Psychology, University of Arizona, 1230 N Cherry Ave., Tucson, AZ, USA
| | - Mark H Sundman
- Brain Imaging and TMS Laboratory, Department of Psychology, University of Arizona, 1230 N Cherry Ave., Tucson, AZ, USA
| | - Ying-Hui Chou
- Brain Imaging and TMS Laboratory, Department of Psychology, University of Arizona, 1230 N Cherry Ave., Tucson, AZ, USA.
- Evelyn F McKnight Brain Institute, Arizona Center On Aging, and BIO5 Institute, University of Arizona, Tucson, AZ, USA.
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Pagali SR, Kumar R, LeMahieu AM, Basso MR, Boeve BF, Croarkin PE, Geske JR, Hassett LC, Huston J, Kung S, Lundstrom BN, Petersen RC, St Louis EK, Welker KM, Worrell GA, Pascual-Leone A, Lapid MI. Efficacy and safety of transcranial magnetic stimulation on cognition in mild cognitive impairment, Alzheimer's disease, Alzheimer's disease-related dementias, and other cognitive disorders: a systematic review and meta-analysis. Int Psychogeriatr 2024:1-49. [PMID: 38329083 DOI: 10.1017/s1041610224000085] [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: 02/09/2024]
Abstract
OBJECTIVE We aim to analyze the efficacy and safety of TMS on cognition in mild cognitive impairment (MCI), Alzheimer's disease (AD), AD-related dementias, and nondementia conditions with comorbid cognitive impairment. DESIGN Systematic review, Meta-Analysis. SETTING We searched MEDLINE, Embase, Cochrane database, APA PsycINFO, Web of Science, and Scopus from January 1, 2000, to February 9, 2023. PARTICIPANTS AND INTERVENTIONS RCTs, open-label, and case series studies reporting cognitive outcomes following TMS intervention were included. MEASUREMENT Cognitive and safety outcomes were measured. Cochrane Risk of Bias for RCTs and MINORS (Methodological Index for Non-Randomized Studies) criteria were used to evaluate study quality. This study was registered with PROSPERO (CRD42022326423). RESULTS The systematic review included 143 studies (n = 5,800 participants) worldwide, encompassing 94 RCTs, 43 open-label prospective, 3 open-label retrospective, and 3 case series. The meta-analysis included 25 RCTs in MCI and AD. Collectively, these studies provide evidence of improved global and specific cognitive measures with TMS across diagnostic groups. Only 2 studies (among 143) reported 4 adverse events of seizures: 3 were deemed TMS unrelated and another resolved with coil repositioning. Meta-analysis showed large effect sizes on global cognition (Mini-Mental State Examination (SMD = 0.80 [0.26, 1.33], p = 0.003), Montreal Cognitive Assessment (SMD = 0.85 [0.26, 1.44], p = 0.005), Alzheimer's Disease Assessment Scale-Cognitive Subscale (SMD = -0.96 [-1.32, -0.60], p < 0.001)) in MCI and AD, although with significant heterogeneity. CONCLUSION The reviewed studies provide favorable evidence of improved cognition with TMS across all groups with cognitive impairment. TMS was safe and well tolerated with infrequent serious adverse events.
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Affiliation(s)
- Sandeep R Pagali
- Division of Hospital Internal Medicine, Mayo Clinic, Rochester, MI, USA
- Division of Community Internal Medicine, Geriatrics, and Palliative Care, Mayo Clinic, Rochester, MI, USA
| | - Rakesh Kumar
- Department of Psychiatry and Psychology, Mayo Clinic School of Graduate Medical Education, Mayo Clinic College of Medicine and Science, Rochester, MI, USA
| | - Allison M LeMahieu
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MI, USA
| | - Michael R Basso
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MI, USA
| | | | - Paul E Croarkin
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MI, USA
| | - Jennifer R Geske
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MI, USA
| | | | - John Huston
- Department of Radiology (Huston and Welker), Mayo Clinic, Rochester, MI, USA
| | - Simon Kung
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MI, USA
| | | | | | | | - Kirk M Welker
- Department of Radiology (Huston and Welker), Mayo Clinic, Rochester, MI, USA
| | | | - Alvaro Pascual-Leone
- Hinda and Arthur Marcus Institute for Aging Research and Deanna, Sidney Wolk Center for Memory Health, Hebrew SeniorLife, Roslindale, MA, USA
- Department of Neurology, Harvard Medical School, Cambridge, MA, USA
| | - Maria I Lapid
- Division of Community Internal Medicine, Geriatrics, and Palliative Care, Mayo Clinic, Rochester, MI, USA
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MI, USA
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Velioglu HA, Dudukcu EZ, Hanoglu L, Guntekin B, Akturk T, Yulug B. rTMS reduces delta and increases theta oscillations in Alzheimer's disease: A visual-evoked and event-related potentials study. CNS Neurosci Ther 2024; 30:e14564. [PMID: 38287520 PMCID: PMC10805393 DOI: 10.1111/cns.14564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 10/11/2023] [Accepted: 11/30/2023] [Indexed: 01/31/2024] Open
Abstract
BACKGROUND Repetitive transcranial magnetic stimulation (rTMS) has emerged as a promising alternative therapy for Alzheimer's disease (AD) due to its ability to modulate neural networks and enhance cognitive function. This treatment offers the unique advantage of enabling real-time monitoring of immediate cognitive effects and dynamic brain changes through electroencephalography (EEG). OBJECTIVE This study focused on exploring the effects of left parietal rTMS stimulation on visual-evoked potentials (VEP) and visual event-related potentials (VERP) in AD patients. METHODS Sixteen AD patients were recruited for this longitudinal study. EEG data were collected within a Faraday cage both pre- and post-rTMS to evaluate its impact on potentials. RESULTS Significant alterations were found in both VEP and VERP oscillations. Specifically, delta power in VEP decreased, while theta power in VERP increased post-rTMS, indicating a modulation of brain activities. DISCUSSION These findings confirm the positive modulatory impact of rTMS on brain activities in AD, evidenced by improved cognitive scores. They align with previous studies highlighting the potential of rTMS in managing hyperexcitability and oscillatory disturbances in the AD cortex. CONCLUSION Cognitive improvements post-rTMS endorse its potential as a promising neuromodulatory treatment for cognitive enhancement in AD, thereby providing critical insights into the neurophysiological anomalies in AD and possible therapeutic avenues.
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Affiliation(s)
- Halil Aziz Velioglu
- Center for Psychiatric NeuroscienceFeinstein Institute for Medical ResearchManhassetNew YorkUSA
- Functional Imaging and Cognitive‐Affective Neuroscience Lab (fINCAN)Health Sciences and Technology Research Institute (SABITA), Istanbul Medipol UniversityIstanbulTurkey
| | - Esra Zeynep Dudukcu
- Functional Imaging and Cognitive‐Affective Neuroscience Lab (fINCAN)Health Sciences and Technology Research Institute (SABITA), Istanbul Medipol UniversityIstanbulTurkey
| | - Lutfu Hanoglu
- Department of Neurology, School of MedicineIstanbul Medipol UniversityIstanbulTurkey
| | - Bahar Guntekin
- Department of Biophysics, School of MedicineIstanbul Medipol UniversityIstanbulTurkey
| | - Tuba Akturk
- Program of Electroneurophysiology, Vocational SchoolIstanbul Medipol UniversityIstanbulTurkey
| | - Burak Yulug
- Department of Neurology and Clinical Neuroscience, School of MedicineAlanya Alaaddin Keykubat UniversityAlanyaTurkey
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Kavanaugh BC, Fukuda AM, Gemelli ZT, Thorpe R, Tirrell E, Vigne M, Jones SR, Carpenter LL. Pre-treatment frontal beta events are associated with executive dysfunction improvement after repetitive transcranial magnetic stimulation for depression: A preliminary report. J Psychiatr Res 2023; 168:71-81. [PMID: 37897839 DOI: 10.1016/j.jpsychires.2023.10.024] [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: 04/27/2023] [Revised: 08/31/2023] [Accepted: 10/14/2023] [Indexed: 10/30/2023]
Abstract
Repetitive transcranial magnetic stimulation (rTMS) is an established clinical treatment for major depressive disorder (MDD) that has also been found to improve aspects of executive functioning. The objective of this study was to examine whether oscillatory burst-like events within the beta band (15-29 Hz) prior to treatment could predict subsequent change in self-reported executive dysfunction (EDF) across a clinical course of rTMS for MDD. Twenty-eight adults (64% female) with MDD completed the self-report Frontal Systems Behavior Scale (FrSBe) and provided eyes-closed resting-state electroencephalography (EEG) before and after a clinical course of rTMS therapy for primary MDD. The rate, power, duration, and frequency span of transient EEG measured oscillatory beta events were calculated. Events within delta/theta and alpha bands were examined to assess for beta specificity. After controlling for improvement in primary depressive symptoms, a lower rate of beta events at F3, Fz, F4, and Cz prior to rTMS treatment was associated with a larger improvement in EDF after rTMS treatment. In addition, a decrease in beta event rate at Fz pre-to-post treatment was associated with a larger improvement in EDF after treatment. Results were largely specific to the beta band. In this study, the rate of frontrocentral beta events prior to treatment significantly predicted the likelihood of subsequent improvement in EDF symptoms following a clinical course of rTMS for MDD. These preliminary findings suggest the potential utility of EEG measured beta events and rTMS for targeting EDF across an array of neuropsychiatric disorders.
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Affiliation(s)
- Brian C Kavanaugh
- E.P. Bradley Hospital, United States; Brown University, Department of Psychiatry & Human Behavior, United States.
| | - Andrew M Fukuda
- Brown University, Department of Psychiatry & Human Behavior, United States; Butler Hospital, United States
| | - Zachary T Gemelli
- Brown University, Department of Psychiatry & Human Behavior, United States; Rhode Island Hospital, United States
| | - Ryan Thorpe
- Brown University, Department of Neuroscience, United States
| | - Eric Tirrell
- Brown University, Department of Psychiatry & Human Behavior, United States; Butler Hospital, United States
| | - Megan Vigne
- Brown University, Department of Psychiatry & Human Behavior, United States; Butler Hospital, United States
| | - Stephanie R Jones
- Brown University, Department of Neuroscience, United States; Providence Veteran's Association Medical Center, Center for Neurorestoration and Neurotechnology, United States
| | - Linda L Carpenter
- Brown University, Department of Psychiatry & Human Behavior, United States; Butler Hospital, United States
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Andrade SM, da Silva-Sauer L, de Carvalho CD, de Araújo ELM, Lima EDO, Fernandes FML, Moreira KLDAF, Camilo ME, Andrade LMMDS, Borges DT, da Silva Filho EM, Lindquist AR, Pegado R, Morya E, Yamauti SY, Alves NT, Fernández-Calvo B, de Souza Neto JMR. Identifying biomarkers for tDCS treatment response in Alzheimer's disease patients: a machine learning approach using resting-state EEG classification. Front Hum Neurosci 2023; 17:1234168. [PMID: 37859768 PMCID: PMC10582524 DOI: 10.3389/fnhum.2023.1234168] [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: 06/06/2023] [Accepted: 09/18/2023] [Indexed: 10/21/2023] Open
Abstract
Background Transcranial direct current stimulation (tDCS) is a promising treatment for Alzheimer's Disease (AD). However, identifying objective biomarkers that can predict brain stimulation efficacy, remains a challenge. The primary aim of this investigation is to delineate the cerebral regions implicated in AD, taking into account the existing lacuna in comprehension of these regions. In pursuit of this objective, we have employed a supervised machine learning algorithm to prognosticate the neurophysiological outcomes resultant from the confluence of tDCS therapy plus cognitive intervention within both the cohort of responders and non-responders to antecedent tDCS treatment, stratified on the basis of antecedent cognitive outcomes. Methods The data were obtained through an interventional trial. The study recorded high-resolution electroencephalography (EEG) in 70 AD patients and analyzed spectral power density during a 6 min resting period with eyes open focusing on a fixed point. The cognitive response was assessed using the AD Assessment Scale-Cognitive Subscale. The training process was carried out through a Random Forest classifier, and the dataset was partitioned into K equally-partitioned subsamples. The model was iterated k times using K-1 subsamples as the training bench and the remaining subsample as validation data for testing the model. Results A clinical discriminating EEG biomarkers (features) was found. The ML model identified four brain regions that best predict the response to tDCS associated with cognitive intervention in AD patients. These regions included the channels: FC1, F8, CP5, Oz, and F7. Conclusion These findings suggest that resting-state EEG features can provide valuable information on the likelihood of cognitive response to tDCS plus cognitive intervention in AD patients. The identified brain regions may serve as potential biomarkers for predicting treatment response and maybe guide a patient-centered strategy. Clinical Trial Registration https://classic.clinicaltrials.gov/ct2/show/NCT02772185?term=NCT02772185&draw=2&rank=1, identifier ID: NCT02772185.
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Affiliation(s)
- Suellen Marinho Andrade
- Aging and Neuroscience Laboratory, Federal University of Paraíba, João Pessoa, Paraíba, Brazil
| | - Leandro da Silva-Sauer
- Aging and Neuroscience Laboratory, Federal University of Paraíba, João Pessoa, Paraíba, Brazil
| | | | | | - Eloise de Oliveira Lima
- Aging and Neuroscience Laboratory, Federal University of Paraíba, João Pessoa, Paraíba, Brazil
| | - Fernanda Maria Lima Fernandes
- Center for Alternative and Renewable Energies (CEAR), Department of Electrical Engineering, Federal University of Paraíba, João Pessoa, Paraíba, Brazil
| | | | - Maria Eduarda Camilo
- Laboratory of Ergonomics and Health, Department of Physiotherapy, Federal University of Paraíba, João Pessoa, Paraíba, Brazil
| | | | - Daniel Tezoni Borges
- Department of Physiotherapy, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | | | - Ana Raquel Lindquist
- Department of Physiotherapy, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Rodrigo Pegado
- Department of Physiotherapy, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Edgard Morya
- Edmond and Lily Safra International Institute of Neurosciences (IIN-ELS), Macaíba, Rio Grande do Norte, Brazil
| | - Seidi Yonamine Yamauti
- Edmond and Lily Safra International Institute of Neurosciences (IIN-ELS), Macaíba, Rio Grande do Norte, Brazil
| | - Nelson Torro Alves
- Department of Psychology, Federal University of Paraíba, João Pessoa, Brazil
| | - Bernardino Fernández-Calvo
- Department of Psychology, Federal University of Paraíba, João Pessoa, Brazil
- Department of Psychology, Faculty of Educational Sciences and Psychology, University of Cordoba, Córdoba, Spain
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Córdoba, Spain
| | - José Maurício Ramos de Souza Neto
- Center for Alternative and Renewable Energies (CEAR), Department of Electrical Engineering, Federal University of Paraíba, João Pessoa, Paraíba, Brazil
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