Transcranial direct current stimulation (TDCS) is an emerging technique of noninvasive brain stimulation that has been found useful in examining cortical function in healthy subjects and in facilitating treatments of various neurologic disorders. A better understanding of adaptive and maladaptive poststroke neuroplasticity and its modulation through noninvasive brain stimulation has opened up experimental treatment options using TDCS for patients recovering from stroke. We review the role of TDCS as a facilitator of stroke recovery, the different modes of TDCS, and the potential mechanisms underlying the neural effects of TDCS.
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http://dx.doi.org/10.1001/archneur.65.12.1571 | DOI Listing |
Clin Psychopharmacol Neurosci
February 2025
Department of Psychiatry, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bengaluru, India.
Auditory/visual hallucinations and perceptual anomalies are one of the core symptoms experienced by patients with schizophrenia. Studies have implicated lateral occipital cortex (LOC) as one of the areas to be aberrantly functioning in schizophrenia, possibly associated with the auditory/visual symptoms of schizophrenia. Here we report of a case of a 29-year-old female diagnosed with treatment resistant schizophrenia on clozapine with persistent auditory verbal hallucinations (AVH) and visual anomalies.
View Article and Find Full Text PDFJ Neurosci
January 2025
Department of Psychology, McGill University, Montreal, QC, Canada.
Individuals avoid spending cognitive effort unless expected rewards offset the perceived costs. Recent work employing tasks that provide explicit information about demands and incentives, suggests causal involvement of the Frontopolar Cortex (FPC) in effort-based decision-making. Using transcranial direct current stimulation (tDCS), we examined whether the FPC's role in motivating effort generalizes to sequential choice problems in which task demand and reward rates vary indirectly and as a function of experience.
View Article and Find Full Text PDFMed J Malaysia
January 2025
Universiti Malaysia Sarawak, Faculty of Medicine and Health Sciences, Kota Samarahan, Sarawak, Malaysia.
Transcranial direct current stimulation (tDCS) has emerged as a potential adjunct therapy for post-stroke motor rehabilitation. While conventional rehabilitation methods remain the primary approach to improving motor function after stroke, many patients experience incomplete recovery, necessitating the exploration of additional interventions. This commentary article examines the role of tDCS in poststroke motor recovery, focusing on its mechanisms, efficacy, and limitations.
View Article and Find Full Text PDFSoa Chongsonyon Chongsin Uihak
January 2025
Department of Psychiatry, Daegu Catholic University School of Medicine, Daegu, Korea.
This review examines the therapeutic potential of neuromodulation methods, including neurofeedback, transcranial direct current stimulation (tDCS), and transcranial magnetic stimulation (TMS), as non-pharmacological interventions for children with attention-deficit/hyperactivity disorder (ADHD). A comprehensive review of current studies was conducted, focusing on each technique's mechanism, application, and efficacy in managing ADHD symptoms and cognitive deficits. Studies included human participants with ADHD, evaluating changes in symptom severity and cognitive outcomes.
View Article and Find Full Text PDFBioelectromagnetics
January 2025
Foundation for Research on Information Technologies in Society, Zurich, Switzerland.
Temporal interference stimulation (TIS) is a new form of transcranial electrical stimulation (tES) that has been proposed as a method for targeted, noninvasive stimulation of deep brain structures. While TIS holds promise for a variety of clinical and nonclinical applications, little data is yet available regarding its effects in humans and its mechanisms of action. To inform the design and safe conduct of experiments involving TIS, researchers require quantitative guidance regarding safe exposure limits and other safety considerations.
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