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The polarity of high-definition transcranial direct current stimulation affects the planning and execution of movement sequences.
Neuroimage
January 2025
Institute for Human Neuroscience, Boys Town National Research Hospital, Boys Town, NE, USA; College of Medicine, University of Nebraska Medical Center, Omaha, NE, USA; Department of Pharmacology & Neuroscience, Creighton University, Omaha, NE, USA. Electronic address:
Noninvasive brain stimulation of the primary motor cortex has been shown to alter therapeutic outcomes in stroke and other neurological conditions, but the precise mechanisms remain poorly understood. Determining the impact of such neurostimulation on the neural processing supporting motor control is a critical step toward further harnessing its therapeutic potential in multiple neurological conditions affecting the motor system. Herein, we leverage the excellent spatio-temporal precision of magnetoencephalographic (MEG) imaging to identify the spectral, spatial, and temporal effects of high-definition transcranial direct current stimulation (HD-tDCS) on the neural responses supporting motor control.
View Article and Find Full Text PDFEnhancing the effect of rehabilitation on multiple sclerosis: A randomized clinical trial investigating the impact of remotely-supervised transcranial direct current stimulation and virtual reality telerehabilitation training.
Mult Scler Relat Disord
December 2024
IRCCS Fondazione Don Carlo Gnocchi ONLUS, Milan, Italy. Electronic address:
Background: Multiple sclerosis (MS) is a demyelinating disease characterized by balance and gait impairment, fatigue, anxiety, depression, and diminished quality of life. Transcranial direct current stimulation (tDCS) has emerged as an effective intervention for managing these symptoms.
Objective: This study aims to investigate the efficacy of remotely supervised tDCS (RS-tDCS) applied to the left dorsolateral prefrontal cortex, in conjunction with a telerehabilitation (TR) program, on motor (balance and gait), cognitive (executive functions), and participation outcomes (fatigue, anxiety, depression, and quality of life) in persons with MS (pwMS).
Improving locomotor performance with motor imagery and tDCS in young adults.
Sci Rep
January 2025
Department of Public Health and Exercise Science, Appalachian State University, Boone, NC, USA.
The study aimed to assess the feasibility and potential efficacy of a non-motor intervention utilizing motor imagery (MI) and transcranial direct current stimulation (tDCS) to enhance motor function. The research involved a double-blind, randomized, controlled trial with three groups: MIActive, MISham, and Control. Participants engaged in a cognitively demanding obstacle course, with time and prefrontal activation (ΔO2Hb and ΔHHb) measured across three-time points (Baseline, Post-test, 1-week follow-up).
View Article and Find Full Text PDFTime Dependent Effects of Cerebellar tDCS on Cerebello-cortical Connectivity Networks in Young Adults.
Cerebellum
January 2025
Department of Psychological and Brain Sciences, Texas A&M University, College Station, TX, USA.
The cerebellum is involved in non-motor processing, supported by topographically distinct cerebellar activations and closed-loop circuits between the cerebellum and the cortex. Disruptions to cerebellar function may negatively impact prefrontal function and processing. Cerebellar resources may be important for offloading cortical processing, providing crucial scaffolding for normative performance and function.
View Article and Find Full Text PDFTranscranial direct current stimulation in patients with depression: An electric field modeling meta-analysis.
J Affect Disord
January 2025
Mondor University Hospitals, INSERM U955, Institut Mondor de La Recherche Biomédicale (IMRB), University of Paris Est Créteil, Équipe Neuropsychiatrie Translationnelle, Créteil, France; NeuroSpin, Neuroimaging Platform, CEA, UNIACT Lab, PsyBrain Team, Saclay, France. Electronic address:
Transcranial Direct Current Stimulation (tDCS) has shown potential in modulating cortical activity and treating depression. Despite its promise, variability in electrode montage configurations and electric field strength across studies has resulted in inconsistent outcomes. Traditional meta-analytic methods assessing the effect of tDCS in depression typically do not compare tDCS montage and the anatomical distribution of electric field, which is a major source of inter-experimental variability.
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