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https://www.readbyqxmd.com/read/27885309/transcranial-direct-current-stimulation-use-in-the-treatment-of-neuropsychiatric-disorders-a-brief-review
#1
Sarah M Szymkowicz, Molly E McLaren, Uma Suryadevara, Adam J Woods
Transcranial direct current stimulation (tDCS) is a non-invasive brain stimulation technique that has grown in popularity over the past two decades as an alternative treatment option for various neuropsychiatric disorders. tDCS modulates cortical excitability through the application of a weak direct current to the scalp via electrodes placed over cortical regions of interest. It has been shown to be a promising and relatively safe treatment tool with few adverse events. In this article, we will briefly review the efficacy of tDCS in depression, bipolar disorder, schizophrenia, and obsessive-compulsive disorder...
November 2016: Psychiatric Annals
https://www.readbyqxmd.com/read/27866120/evidence-based-guidelines-on-the-therapeutic-use-of-transcranial-direct-current-stimulation-tdcs
#2
REVIEW
Jean-Pascal Lefaucheur, Andrea Antal, Samar S Ayache, David H Benninger, Jérôme Brunelin, Filippo Cogiamanian, Maria Cotelli, Dirk De Ridder, Roberta Ferrucci, Berthold Langguth, Paola Marangolo, Veit Mylius, Michael A Nitsche, Frank Padberg, Ulrich Palm, Emmanuel Poulet, Alberto Priori, Simone Rossi, Martin Schecklmann, Sven Vanneste, Ulf Ziemann, Luis Garcia-Larrea, Walter Paulus
A group of European experts was commissioned by the European Chapter of the International Federation of Clinical Neurophysiology to gather knowledge about the state of the art of the therapeutic use of transcranial direct current stimulation (tDCS) from studies published up until September 2016, regarding pain, Parkinson's disease, other movement disorders, motor stroke, poststroke aphasia, multiple sclerosis, epilepsy, consciousness disorders, Alzheimer's disease, tinnitus, depression, schizophrenia, and craving/addiction...
October 29, 2016: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/27865707/a-comprehensive-database-of-published-tdcs-clinical-trials-2005-2016
#3
REVIEW
Jean-Pascal Lefaucheur
Transcranial direct current stimulation (tDCS) is a technique of noninvasive cortical stimulation allowing significant modification of brain functions. Clinical application of this technique was reported for the first time in March 2005. This paper presents a detailed list of the 340 articles (excluding single case reports) which have assessed the clinical effect of tDCS in patients, at least when delivered to cortical targets. The reviewed conditions were: pain syndromes, Parkinson's disease, dystonia, cerebral palsy, post-stroke limb motor impairment, post-stroke neglect, post-stroke dysphagia, post-stroke aphasia, primary progressive aphasia, multiple sclerosis, epilepsy, consciousness disorders, Alzheimer's disease and other types of dementia, tinnitus, depression, auditory hallucinations and negative symptoms of schizophrenia, addiction and craving, autism, and attention disorders...
December 2016: Neurophysiologie Clinique, Clinical Neurophysiology
https://www.readbyqxmd.com/read/27776293/converging-effects-of-diverse-treatment-modalities-on-frontal-cortex-in-schizophrenia-a-review-of-longitudinal-functional-magnetic-resonance-imaging-studies
#4
Ayse Sakalli Kani, Ann K Shinn, Kathryn E Lewandowski, Dost Öngür
OBJECTIVES: A variety of treatment options exist for schizophrenia, but the effects of these treatments on brain function are not clearly understood. To facilitate the development of more effective treatment strategies, it is important to identify how brain function in schizophrenia patients is affected by the diverse therapeutic approaches that are currently available. The aim of the present article is to systematically review the evidence for functional brain changes associated with different treatment modalities for schizophrenia...
October 19, 2016: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/27737311/effect-of-transcranial-direct-current-stimulation-tdcs-over-the-prefrontal-cortex-combined-with-cognitive-training-for-treating-schizophrenia-a-sham-controlled-randomized-clinical-trial
#5
Pedro Shiozawa, July Silveira Gomes, Daniella Valverde Ducos, Henrique Teruo Akiba, Álvaro Machado Dias, Alisson Paulino Trevizol, Ricardo R Uchida, Natasza Orlov, Quirino Cordeiro
Introduction: We report a transcranial direct current stimulation (tDCS) protocol over the dorsolateral prefrontal cortex (DLPFC) combined with cognitive training in schizophrenia. Method: We assessed psychotic symptoms in nine patients using the Positive and Negative Syndrome Scale (PANSS). All evaluations were scored at baseline, at the end of the intervention protocol, and during a 4-week follow-up. The tDCS protocol consisted of 10 consecutive sessions over 5-day periods...
July 2016: Trends in Psychiatry and Psychotherapy
https://www.readbyqxmd.com/read/27570958/-does-prefrontal-noninvasive-brain-stimulation-alleviating-symptoms-in-depression-and-schizophrenia-impact-mood-and-emotion-processing
#6
Marion Psomiades, Clara Fonteneau, Marie-Françoise Suaud-Chagny, Frédéric Haesebaert, Jérôme Brunelin
Repetitive transcranial magnetic stimulation (rTMS) and transcranial direct current stimulation (tDCS) are noninvasive brain stimulation techniques currently used as therapeutic tools in various psychiatric conditions. Applied over the dorsolateral prefrontal cortex (DLPFC), they showed their efficacy in reducing drug-resistant symptoms in patients with major depression and in patients with schizophrenia with predominantly negative symptoms. The DLPFC is a brain structure involved in the expression of these symptoms as well as in other dysfunctional functions observed in theses conditions such as emotional processes...
2016: Santé Mentale Au Québec
https://www.readbyqxmd.com/read/27452837/anodal-tdcs-targeting-the-left-temporo-parietal-junction-disrupts-verbal-reality-monitoring
#7
Marine Mondino, Emmanuel Poulet, Marie-Françoise Suaud-Chagny, Jerome Brunelin
Using transcranial direct current stimulation (tDCS) we aimed to investigate the causal role of the left temporo-parietal and prefrontal regions in source-monitoring. Forty-two healthy participants received tDCS while performing a verbal reality-monitoring task (requiring discrimination between imagined and heard words) and a verbal internal source-monitoring task (requiring discrimination between imagined and said words). In 2 randomized crossover studies, 21 participants received active and sham anodal tDCS applied over the left temporo-parietal junction (TPJ) and 21 participants received active and sham cathodal tDCS applied over the left prefrontal cortex (PFC)...
August 2016: Neuropsychologia
https://www.readbyqxmd.com/read/27445739/does-a-combination-of-virtual-reality-neuromodulation-and-neuroimaging-provide-a-comprehensive-platform-for-neurorehabilitation-a-narrative-review-of-the-literature
#8
REVIEW
Wei-Peng Teo, Makii Muthalib, Sami Yamin, Ashlee M Hendy, Kelly Bramstedt, Eleftheria Kotsopoulos, Stephane Perrey, Hasan Ayaz
In the last decade, virtual reality (VR) training has been used extensively in video games and military training to provide a sense of realism and environmental interaction to its users. More recently, VR training has been explored as a possible adjunct therapy for people with motor and mental health dysfunctions. The concept underlying VR therapy as a treatment for motor and cognitive dysfunction is to improve neuroplasticity of the brain by engaging users in multisensory training. In this review, we discuss the theoretical framework underlying the use of VR as a therapeutic intervention for neurorehabilitation and provide evidence for its use in treating motor and mental disorders such as cerebral palsy, Parkinson's disease, stroke, schizophrenia, anxiety disorders, and other related clinical areas...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27322602/efficacy-and-safety-of-combining-clozapine-with-electrical-or-magnetic-brain-stimulation-in-treatment-refractory-schizophrenia
#9
Shyam Sundar Arumugham, Jagadisha Thirthalli, Chittaranjan Andrade
INTRODUCTION: A substantial proportion (40-70%) of patients with treatment-resistant schizophrenia experience persistent symptoms despite an adequate clozapine trial. Brain stimulation techniques (BST) such as electroconvulsive therapy (ECT), repetitive transcranial magnetic stimulation (rTMS), and transcranial direct current stimulation (tDCS) have shown promise in medication-refractory schizophrenia. However, their co-administration with clozapine raises some safety concerns. AREAS COVERED: We conducted a systematic literature search through Pubmed and cross-references for relevant publications evaluating the safety and efficacy of combining BST with clozapine...
September 2016: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/27185738/differential-response-to-anodal-tdcs-and-pas-is-indicative-of-impaired-focal-ltp-like-plasticity-in-schizophrenia
#10
Wolfgang Strube, Tilmann Bunse, Michael A Nitsche, Ulrich Palm, Peter Falkai, Alkomiet Hasan
Increasing evidence suggests that neural plasticity impairments, observed in schizophrenia patients, are driven by dysfunctional integration of neural signaling. However, what is less clear is whether this impairment is resultant from a general deficit in plastic induction or whether a specific plastic mechanism is affected. In the current study we aimed to assess whether schizophrenia has a selective impact on focal or non-focal plasticity induction. To pursue this goal we utilized two non-invasive stimulation techniques that differ in the mechanism of long-term potentiation (LTP)-like plasticity induction: focal paired associative stimulation (PAS) and non-focal anodal transcranial direct current stimulation (a-tDCS)...
September 15, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27173384/transcranial-direct-current-stimulation-in-children-and-adolescents-a-comprehensive-review
#11
REVIEW
Ulrich Palm, Felix M Segmiller, Ann Natascha Epple, Franz-Joseph Freisleder, Nikolaos Koutsouleris, Gerd Schulte-Körne, Frank Padberg
Transcranial direct current stimulation (tDCS) is a non-invasive brain stimulation method that has shown promising results in various neuropsychiatric disorders in adults. This review addresses the therapeutic use of tDCS in children and adolescents including safety, ethical, and legal considerations. There are several studies addressing the dosage of tDCS in children and adolescents by computational modeling of electric fields in the pediatric brain. Results suggest halving the amperage used in adults to obtain the same peak electric fields, however, there are some studies reporting on the safe application of tDCS with standard adult parameters in children (2 mA; 20-30 min)...
October 2016: Journal of Neural Transmission
https://www.readbyqxmd.com/read/27158440/22q11-2-duplication-syndrome-elevated-rate-of-autism-spectrum-disorder-and-need-for-medical-screening
#12
Tara L Wenger, Judith S Miller, Lauren M DePolo, Ashley B de Marchena, Caitlin C Clements, Beverly S Emanuel, Elaine H Zackai, Donna M McDonald-McGinn, Robert T Schultz
BACKGROUND: Widespread use of microarray technology has led to increasing identification of 22q11.2 duplication syndrome (22q11.2DupS), the reciprocal syndrome of the well-characterized 22q11.2 deletion syndrome (22q11.2DS). Individuals with 22q11.2DS have elevated rates of community diagnoses of autism spectrum disorder (ASD), schizophrenia, and a range of medical problems and birth defects that necessitate extensive medical screening. Case reports of 22q11.2DupS include patients with ASD, fewer medical problems, and no schizophrenia; however, no prospective cohort study has been reported...
2016: Molecular Autism
https://www.readbyqxmd.com/read/27132485/modulation-of-neurophysiological-auditory-processing-measures-by-bilateral-transcranial-direct-current-stimulation-in-schizophrenia
#13
Walter Dunn, Yuri Rassovsky, Jonathan K Wynn, Allan D Wu, Marco Iacoboni, Gerhard Hellemann, Michael F Green
This study used bilateral transcranial direct current stimulation (tDCS) to target neural generators of auditory Mismatch Negativity (MMN) and oddball P300 in schizophrenia patients. tDCS was applied to the pre-frontal cortex in a parallel between-group design. There was a significant main effect of stimulation resulting in modulation of MMN amplitude. This effect was mainly driven by a non-significant, but large, effect-size decrease in MMN amplitude with anodal stimulation. This is the first study to demonstrate that tDCS is able to engage and modulate an EEG-based auditory processing measure in schizophrenia...
July 2016: Schizophrenia Research
https://www.readbyqxmd.com/read/27116682/preliminary-investigation-of-the-effects-of-%C3%AE-tacs-on-working-memory-in-schizophrenia
#14
Kate E Hoy, Dean Whitty, Neil Bailey, Paul B Fitzgerald
Working memory impairment in schizophrenia has been strongly associated with abnormalities in gamma oscillations within the dorsolateral prefrontal cortex (DLFPC). We recently published the first ever study showing that anodal transcranial direct current stimulation (tDCS) to the left DLPFC was able to significantly improve working memory in schizophrenia and did so seemingly via restoring normal gamma oscillatory function. Transcranial alternating current stimulation (tACS) is a form of electrical brain stimulation that delivers stimulation at a specific frequency and has been shown to entrain endogenous cortical oscillations...
October 2016: Journal of Neural Transmission
https://www.readbyqxmd.com/read/27098066/prefrontal-transcranial-direct-current-stimulation-for-treatment-of-schizophrenia-with-predominant-negative-symptoms-a-double-blind-sham-controlled-proof-of-concept-study
#15
Ulrich Palm, Daniel Keeser, Alkomiet Hasan, Michael J Kupka, Janusch Blautzik, Nina Sarubin, Filipa Kaymakanova, Ina Unger, Peter Falkai, Thomas Meindl, Birgit Ertl-Wagner, Frank Padberg
Negative symptoms are highly relevant in the long-term course of schizophrenia and are an important target domain for the development of novel interventions. Recently, transcranial direct current stimulation (tDCS) of the prefrontal cortex has been investigated as a treatment option in schizophrenia. In this proof-of-concept study, 20 schizophrenia patients with predominantly negative symptoms were randomized to either 10 sessions of add-on active (2 mA, 20min) or sham tDCS (anode: left DLPFC/F3; cathode: right supraorbital/F4)...
September 2016: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/27027666/transcranial-direct-current-stimulation-in-child-and-adolescent-psychiatry
#16
Débora Muszkat, Guilherme Vanoni Polanczyk, Taciana G Costa Dias, André Russowsky Brunoni
OBJECTIVES: Transcranial direct current stimulation (tDCS) is a noninvasive brain stimulation technique that consists of applying a weak electric current over the scalp to modulate cortical excitability. tDCS has been extensively investigated in adults with psychiatric disorders. The aim of this study was to review the current literature regarding the use of tDCS in children and adolescents with psychiatric disorders. METHODS: We searched MEDLINE and EMBASE databases for studies evaluating the safety and efficacy of tDCS in children and adolescents from age 0 to 18 years with psychiatric disorders...
September 2016: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/26883068/transcranial-direct-current-stimulation-changes-resting-state-functional-connectivity-a-large-scale-brain-network-modeling-study
#17
Tim Kunze, Alexander Hunold, Jens Haueisen, Viktor Jirsa, Andreas Spiegler
Transcranial direct current stimulation (tDCS) is a noninvasive technique for affecting brain dynamics with promising application in the clinical therapy of neurological and psychiatric disorders such as Parkinson's disease, Alzheimer's disease, depression, and schizophrenia. Resting state dynamics increasingly play a role in the assessment of connectivity-based pathologies such as Alzheimer's and schizophrenia. We systematically applied tDCS in a large-scale network model of 74 cerebral areas, investigating the spatiotemporal changes in dynamic states as a function of structural connectivity changes...
October 15, 2016: NeuroImage
https://www.readbyqxmd.com/read/26866874/exploratory-study-of-once-daily-transcranial-direct-current-stimulation-tdcs-as-a-treatment-for-auditory-hallucinations-in-schizophrenia
#18
F Fröhlich, T N Burrello, J M Mellin, A L Cordle, C M Lustenberger, J H Gilmore, L F Jarskog
BACKGROUND: Auditory hallucinations are resistant to pharmacotherapy in about 25% of adults with schizophrenia. Treatment with noninvasive brain stimulation would provide a welcomed additional tool for the clinical management of auditory hallucinations. A recent study found a significant reduction in auditory hallucinations in people with schizophrenia after five days of twice-daily transcranial direct current stimulation (tDCS) that simultaneously targeted left dorsolateral prefrontal cortex and left temporo-parietal cortex...
March 2016: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/26818528/transcranial-stimulation-of-the-dorsolateral-prefrontal-cortex-prevents-stress-induced-working-memory-deficits
#19
RANDOMIZED CONTROLLED TRIAL
Mario Bogdanov, Lars Schwabe
UNLABELLED: Stress is known to impair working memory performance. This disruptive effect of stress on working memory has been linked to a decrease in the activity of the dorsolateral prefrontal cortex (dlPFC). In the present experiment, we tested whether transcranial direct current stimulation (tDCS) of the dlPFC can prevent stress-induced working memory impairments. We tested 120 healthy participants in a 2 d, sham-controlled, double-blind between-subjects design. Participants completed a test of their individual baseline working memory capacity on day 1...
January 27, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/26776393/-negative-symptoms-of-schizophrenia-from-electrophysiology-to-electrotherapy
#20
REVIEW
J-A Micoulaud Franchi, C Quiles, R Belzeaux, M Adida, J-M Azorin
The aim of this review of the literature is to summarize the state of the knowledge concerning the relationship between negative symptoms in schizophrenia, electrophysiology and electrotherapy. The scientific literature search of international articles was performed during August and September 2015 using the PubMed electronic database. We used the following MeSH terms: "Negative symptoms", "Schizophrenia", "Electrophysiology", "Neurophysiology", "EEG power", "Alpha rhythm", "Transcranial magnetic stimulation", "Transcranial direct current stimulation", "Electroconvulsive therapy", "Neurofeedback", "Vagus Nerve Stimulation", "Deep Brain Stimulation", and "State dependent"...
December 2015: L'Encéphale
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