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Campanella S. The potential utility of evoked potentials in the treatment of mental illnesses. PSYCHORADIOLOGY 2023; 3:kkad024. [PMID: 38666117 PMCID: PMC10917381 DOI: 10.1093/psyrad/kkad024] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 10/16/2023] [Accepted: 10/23/2023] [Indexed: 04/28/2024]
Affiliation(s)
- Salvatore Campanella
- Laboratoire de Psychologie Médicale et d'Addictologie, ULB Neuroscience Institute (UNI), CHU Brugmann-Université Libre de Bruxelles (U.L.B.), 1020 Brussels, Belgium
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Guo Z, Qiu R, Qiu H, Lu H, Zhu X. Long-term effects of repeated multitarget high-definition transcranial direct current stimulation combined with cognitive training on response inhibition gains. Front Neurosci 2023; 17:1107116. [PMID: 36968503 PMCID: PMC10033537 DOI: 10.3389/fnins.2023.1107116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 02/24/2023] [Indexed: 03/11/2023] Open
Abstract
BackgroundFew studies have investigated the effects of repeated sessions of transcranial direct current stimulation (tDCS) combined with concurrent cognitive training on improving response inhibition, and the findings have been heterogeneous in the limited research. This study investigated the long-lasting and transfer effects of 10 consecutive sessions of multitarget anodal HD-tDCS combined with concurrent cognitive training on improving response inhibition compared with multitarget stimulation or training alone.MethodsNinety-four healthy university students aged 18–25 were randomly assigned to undergo different interventions, including real stimulation combined with stop-signal task (SST) training, real stimulation, sham stimulation combined with SST training, and sham stimulation. Each intervention lasted 20 min daily for 10 consecutive days, and the stimulation protocol targeted right inferior frontal gyrus (rIFG) and pre-supplementary motor area (pre-SMA) simultaneously with a total current intensity of 2.5 mA. Performance on SST and possible transfer effects to Stroop task, attention network test, and N-back task were measured before and 1 day and 1 month after completing the intervention course.ResultsThe main findings showed that the combined protocol and the stimulation alone significantly reduced stop-signal reaction time (SSRT) in the post-intervention and follow-up tests compared to the pre-intervention test. However, training alone only decreased SSRT in the post-test. The sham control exhibited no changes. Subgroup analysis revealed that the combined protocol and the stimulation alone induced a decrease in the SSRT of the low-performance subgroup at the post-test and follow-up test compared with the pre-test. However, only the combined protocol, but not the stimulation alone, improved the SSRT of the high-performance subgroup. The transfer effects were absent.ConclusionThis study provides supportive evidence for the synergistic effect of the combined protocol, indicating its superiority over the single intervention method. In addition, the long-term after-effects can persist for up to at least 1 month. Our findings also provide insights into the clinical application and strategy for treating response inhibition deficits.
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Aksu S, Uslu A, İşçen P, Tülay EE, Barham H, Soyata AZ, Demirtas-Tatlidede A, Yıldız GB, Bilgiç B, Hanağası H, Woods AJ, Karamürsel S, Uyar FA. Does transcranial direct current stimulation enhance cognitive performance in Parkinson's disease mild cognitive impairment? An event-related potentials and neuropsychological assessment study. Neurol Sci 2022; 43:4029-4044. [PMID: 35322340 DOI: 10.1007/s10072-022-06020-z] [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: 11/09/2021] [Accepted: 03/16/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND Parkinson's disease-mild cognitive impairment (PD-MCI) is garnering attention as a key interventional period for cognitive impairment. Currently, there are no approved treatments for PD-MCI and encouraging results of transcranial direct current stimulation (tDCS) combined with other interventions have been proposed, though the efficacy and neural mechanisms of tDCS alone have not been studied in PD-MCI yet. OBJECTIVES The present double-blind, randomized, sham-controlled study assessed the effects of tDCS over the dorsolateral prefrontal cortex on cognitive functions via neuropsychological and electrophysiological evaluations in individuals with PD-MCI for the first time. METHOD Twenty-six individuals with PD-MCI were administered 10 sessions of active (n = 13) or sham (n = 13) prefrontal tDCS twice a day, for 5 days. Changes were tested through a comprehensive neuropsychological battery and event-related potential recordings, which were performed before, immediately, and 1 month after the administrations. RESULTS Neuropsychological assessment showed an improvement in delayed recall and executive functions in the active group. N1 amplitudes in response to targets in the oddball test-likely indexing attention and discriminability and NoGo N2 amplitudes in the continuous performance test-likely indexing cognitive control and conflict monitoring increased in the active group. Active stimulation elicited higher benefits 1 month after the administrations. CONCLUSION The present findings substantiate the efficacy of tDCS on cognitive control and episodic memory, along with the neural underpinnings of cognitive control, highlighting its potential for therapeutic utility in PD-MCI. TRIAL REGISTRATION NCT 04,171,804. Date of registration: 21/11/2019.
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Affiliation(s)
- Serkan Aksu
- Department of Physiology, Graduate School of Health Sciences, Istanbul University, Istanbul, Turkey.
- Department of Physiology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey.
- Department of Physiology, Faculty of Medicine, Muğla Sıtkı Koçman University, Muğla, Turkey.
| | - Atilla Uslu
- Department of Physiology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Pınar İşçen
- Department of Neurology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Emine Elif Tülay
- Department of Software Engineering, Faculty of Engineering, Muğla Sıtkı Koçman University, Muğla, Turkey
| | - Huzeyfe Barham
- Department of Psychiatry, Kırklareli Research and Training Hospital, Kırklareli, Turkey
| | | | | | | | - Başar Bilgiç
- Department of Neurology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Haşmet Hanağası
- Department of Neurology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Adam J Woods
- Department of Clinical and Health Psychology, Center for Cognitive Aging and Memory, McKnight Brain Institute, Cognitive Aging and Memory Clinical Translational Research Program, University of Florida, Gainesville, USA
| | - Sacit Karamürsel
- Department of Physiology, School of Medicine, Koç University, Istanbul, Turkey
| | - Fatma Aytül Uyar
- Department of Physiology, Graduate School of Health Sciences, Istanbul University, Istanbul, Turkey
- Department of Physiology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
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Van Overwalle F, Baeken C, Campanella S, Crunelle CL, Heleven E, Kornreich C, Leggio M, Noël X, Vanderhasselt MA, Baetens K. The Role of the Posterior Cerebellum in Dysfunctional Social Sequencing. THE CEREBELLUM 2021; 21:1123-1134. [PMID: 34637054 DOI: 10.1007/s12311-021-01330-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 09/27/2021] [Indexed: 01/19/2023]
Abstract
Recent advances in social neuroscience have highlighted the critical role of the cerebellum in social cognition, and especially the posterior cerebellum. Studies have supported the view that the posterior cerebellum builds internal action models of our social interactions to predict how other people's actions will be executed and what our most likely responses are to these actions. This mechanism allows to better anticipate action sequences during social interactions in an automatic and intuitive way and to fine-tune these anticipations, making it easier to understand other's social behaviors and mental states (e.g., beliefs, intentions, traits). In this paper, we argue that the central role of the posterior cerebellum in identifying and automatizing social action sequencing provides a fruitful starting point for investigating social dysfunctions in a variety of clinical pathologies, such as autism, obsessive-compulsive and bipolar disorder, depression, and addiction. Our key hypothesis is that dysfunctions of the posterior cerebellum lead to under- or overuse of inflexible social routines and lack of plasticity for learning new, more adaptive, social automatisms. We briefly review past research supporting this view and propose a program of research to test our hypothesis. This approach might alleviate a variety of mental problems of individuals who suffer from inflexible automatizations that stand in the way of adjustable and intuitive social behavior, by increasing posterior cerebellar plasticity using noninvasive neurostimulation or neuro-guided training programs.
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Affiliation(s)
- Frank Van Overwalle
- Department of Psychology & Center for Neuroscience, Vrije Universiteit Brussel, Brussel, Belgium.
| | - Chris Baeken
- Department of Psychology & Center for Neuroscience, Vrije Universiteit Brussel, Brussel, Belgium.,Department of Psychiatry, Vrije Universiteit Brussel & Universitair Ziekenhuis Brussel, Brussel, Belgium.,Department of Psychiatry, Ghent Experimental Psychiatry Lab, Ghent University, Ghent, Belgium.,Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Salvatore Campanella
- Laboratoire de Psychologie Médicale Et d'Addictologie, Faculty of Medicine, Université Libre de Bruxelles, Bruxelles, Belgium.,UNI Neuroscience Institute, Université Libre de Bruxelles, Bruxelles, Belgium.,Faculty of Psychology, Université Libre de Bruxelles, Bruxelles, Belgium
| | - Cleo L Crunelle
- Department of Psychiatry, Vrije Universiteit Brussel & Universitair Ziekenhuis Brussel, Brussel, Belgium
| | - Elien Heleven
- Department of Psychology & Center for Neuroscience, Vrije Universiteit Brussel, Brussel, Belgium
| | - Charles Kornreich
- Laboratoire de Psychologie Médicale Et d'Addictologie, Faculty of Medicine, Université Libre de Bruxelles, Bruxelles, Belgium.,UNI Neuroscience Institute, Université Libre de Bruxelles, Bruxelles, Belgium.,Faculty of Psychology, Université Libre de Bruxelles, Bruxelles, Belgium
| | - Maria Leggio
- Department of Psychology & Ataxia Laboratory, Fondazione Santa Lucia IRCCS, Sapienza University of Roma, Rome, Italy
| | - Xavier Noël
- Laboratoire de Psychologie Médicale Et d'Addictologie, Faculty of Medicine, Université Libre de Bruxelles, Bruxelles, Belgium.,UNI Neuroscience Institute, Université Libre de Bruxelles, Bruxelles, Belgium.,Faculty of Psychology, Université Libre de Bruxelles, Bruxelles, Belgium
| | | | - Kris Baetens
- Department of Psychology & Center for Neuroscience, Vrije Universiteit Brussel, Brussel, Belgium.,Brussels University Consultation Center, Vrije Universiteit Brussel, Brussel, Belgium
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Smits FM, Geuze E, Schutter DJLG, van Honk J, Gladwin TE. Effects of tDCS during inhibitory control training on performance and PTSD, aggression and anxiety symptoms: a randomized-controlled trial in a military sample. Psychol Med 2021; 52:1-11. [PMID: 33757606 PMCID: PMC9811348 DOI: 10.1017/s0033291721000817] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 01/19/2021] [Accepted: 02/22/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND Post-traumatic stress disorder (PTSD), anxiety, and impulsive aggression are linked to transdiagnostic neurocognitive deficits. This includes impaired inhibitory control over inappropriate responses. Prior studies showed that inhibitory control can be improved by modulating the right inferior frontal gyrus (IFG) with transcranial direct current stimulation (tDCS) in combination with inhibitory control training. However, its clinical potential remains unclear. We therefore aimed to replicate a tDCS-enhanced inhibitory control training in a clinical sample and test whether this reduces stress-related mental health symptoms. METHODS In a preregistered double-blind randomized-controlled trial, 100 active-duty military personnel and post-active veterans with PTSD, anxiety, or impulsive aggression symptoms underwent a 5-session intervention where a stop-signal response inhibition training was combined with anodal tDCS over the right IFG for 20 min at 1.25 mA. Inhibitory control was evaluated with the emotional go/no-go task and implicit association test. Stress-related symptoms were assessed by self-report at baseline, post-intervention, and after 3-months and 1-year follow-ups. RESULTS Active relative to sham tDCS neither influenced performance during inhibitory control training nor on assessment tasks, and did also not significantly influence self-reported symptoms of PTSD, anxiety, impulsive aggression, or depression at post-assessment or follow-up. CONCLUSIONS Our results do not support the idea that anodal tDCS over the right IFG at 1.25 mA enhances response inhibition training in a clinical sample, or that this tDCS-training combination can reduce stress-related symptoms. Applying different tDCS parameters or combining tDCS with more challenging tasks might provide better conditions to modulate cognitive functioning and stress-related symptoms.
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Affiliation(s)
- Fenne M. Smits
- Brain Research & Innovation Centre, Ministry of Defence, Utrecht, the Netherlands
- Department of Psychiatry, UMC Utrecht Brain Center, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Elbert Geuze
- Brain Research & Innovation Centre, Ministry of Defence, Utrecht, the Netherlands
- Department of Psychiatry, UMC Utrecht Brain Center, University Medical Center Utrecht, Utrecht, the Netherlands
| | | | - Jack van Honk
- Experimental Psychology, Helmholtz Institute, Utrecht University, Utrecht, the Netherlands
- Department of Psychiatry and Mental Health, University of Cape Town, Cape Town, South Africa
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
| | - Thomas E. Gladwin
- Behavioural Science Institute, Radboud University Nijmegen, Nijmegen, The Netherlands
- Institute for Lifecourse Development, University of Greenwich, London, UK
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