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https://www.readbyqxmd.com/read/27901245/transcranial-direct-current-stimulation-for-treatment-resistant-obsessive-compulsive-disorder-report-on-two-cases-and-proposal-for-a-randomized-sham-controlled-trial
#1
Renata de Melo Felipe da Silva, André Russowsky Brunoni, Eurípedes Constantino Miguel, Roseli Gedanke Shavitt
CONTEXT AND OBJECTIVE: Neuromodulation techniques for treating obsessive-compulsive disorder (OCD) have expanded through greater understanding of the brain circuits involved in this disorder. Transcranial direct current stimulation (tDCS), a non-invasive technique, has been studied as an alternative for treatment-resistant OCD. We describe the design of a clinical trial using tDCS for OCD and report on the outcomes from two patients with primary OCD who were resistant to cognitive-behavioral therapy and to selective serotonin reuptake inhibitors, and who received tDCS in an open manner during the training phase for the study procedures...
September 2016: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/27891626/does-trans-spinal-and-local-dc-polarization-affect-presynaptic-inhibition-and-post-activation-depression
#2
D Kaczmarek, J Ristikankare, E Jankowska
Direct current (DC) polarization has been demonstrated to alleviate the effects of various deficits in the operation of the central nervous system. However, the effects of trans-spinal DC stimulation (tsDCS) have been investigated less extensively than the effects of transcranial DC stimulation (tDCS), and their cellular mechanisms have not been elucidated. The main objectives of this study were, therefore, to extend our previous analysis of DC effects on the excitability of primary afferents and synaptic transmission by examining the effects of DC on two spinal modulatory feed-back systems, presynaptic inhibition and post-activation depression, in an anaesthetized rat preparation...
November 28, 2016: Journal of Physiology
https://www.readbyqxmd.com/read/27885309/transcranial-direct-current-stimulation-use-in-the-treatment-of-neuropsychiatric-disorders-a-brief-review
#3
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
#4
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
#5
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/27815324/transcranial-direct-current-stimulation-for-the-treatment-of-post-stroke-depression-results-from-a-randomised-sham-controlled-double-blinded-trial
#6
Leandro C L Valiengo, Alessandra C Goulart, Janaina F de Oliveira, Isabela M Benseñor, Paulo A Lotufo, Andre R Brunoni
BACKGROUND: Post-stroke depression is a disabling condition occurring in about one-third of patients with stroke. Pharmacological treatments have limited efficacy and important side effects. Recently, transcranial direct current stimulation (tDCS) has shown efficacy in treating depression. This study aimed to assess the efficacy and safety of tDCS for post-stroke depression. METHODS: 48 antidepressant-free patients with post-stroke depression were randomised into two groups (active and sham tDCS)...
November 4, 2016: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/27759809/transcranial-magnetic-stimulation-and-transcranial-direct-current-stimulation-appear-to-be-safe-neuromodulatory-techniques-useful-in-the-treatment-of-anxiety-disorders-and-other-neuropsychiatric-disorders
#7
Aline Iannone, Antonio Pedro de Mello Cruz, Joaquim Pereira Brasil-Neto, Raphael Boechat-Barros
Transcranial magnetic stimulation (TMS) has recently been investigated as a possible adjuvant treatment for many neuropsychiatric disorders, and has already been approved for the treatment of drug-resistant depression in the United States and in Brazil, among other countries. Although its use in other neuropsychiatric disorders is still largely experimental, many physicians have been using it as an off-label add-on therapy for various disorders. More recently, another technique, transcranial direct current stimulation (tDCS), has also become available as a much cheaper and portable alternative to TMS, although its mechanisms of action are different from those of TMS...
October 2016: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/27756567/study-design-and-methodology-for-a-multicentre-randomised-controlled-trial-of-transcranial-direct-current-stimulation-as-a-treatment-for-unipolar-and-bipolar-depression
#8
Angelo Alonzo, Scott Aaronson, Marom Bikson, Mustafa Husain, Sarah Lisanby, Donel Martin, Shawn M McClintock, William M McDonald, John O'Reardon, Zeinab Esmailpoor, Colleen Loo
Transcranial Direct Current Stimulation (tDCS) is a new, non-invasive neuromodulation approach for treating depression that has shown promising efficacy. The aim of this trial was to conduct the first international, multicentre randomised controlled trial of tDCS as a treatment for unipolar and bipolar depression. The study recruited 120 participants across 6 sites in the USA and Australia. Participants received active or sham tDCS (2.5mA, 20 sessions of 30min duration over 4weeks), followed by a 4-week open label active treatment phase and a 4-week taper phase...
October 15, 2016: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/27662113/anodal-transcranial-direct-current-stimulation-of-the-left-dorsolateral-prefrontal-cortex-enhances-emotion-recognition-in-depressed-patients-and-controls
#9
Sean Brennan, Declan M McLoughlin, Redmond O'Connell, John Bogue, Stephanie O'Connor, Caroline McHugh, Mark Glennon
INTRODUCTION: Transcranial direct current stimulation (tDCS) can enhance a range of neuropsychological functions but its efficacy in addressing clinically significant emotion recognition deficits associated with depression is largely untested. METHOD: A randomized crossover placebo controlled study was used to investigate the effects of tDCS over the left dorsolateral prefrontal cortex (L-DLPFC) on a range of neuropsychological variables associated with depression as well as neural activity in the associated brain region...
September 23, 2016: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/27570958/-does-prefrontal-noninvasive-brain-stimulation-alleviating-symptoms-in-depression-and-schizophrenia-impact-mood-and-emotion-processing
#10
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/27495805/effects-of-tdcs-over-the-right-dlpfc-on-attentional-disengagement-from-positive-and-negative-faces-an-eye-tracking-study
#11
Alvaro Sanchez, Marie-Anne Vanderhasselt, Chris Baeken, Rudi De Raedt
The aim of this study was to increase insight in the neural substrates of attention processes involved in emotion regulation. The effects of right dorsolateral prefrontal cortex (i.e., DLPFC) stimulation on attentional processing of emotional information were evaluated. A novel attention task allowing a straightforward measurement of attentional engagement toward, and attentional disengagement away from emotional faces was used. A sample of healthy participants received 20 minutes of active and sham anodal transcranial direct current stimulation (i...
August 5, 2016: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/27486154/canadian-network-for-mood-and-anxiety-treatments-canmat-2016-clinical-guidelines-for-the-management-of-adults-with-major-depressive-disorder-section-4-neurostimulation-treatments
#12
Roumen V Milev, Peter Giacobbe, Sidney H Kennedy, Daniel M Blumberger, Zafiris J Daskalakis, Jonathan Downar, Mandana Modirrousta, Simon Patry, Fidel Vila-Rodriguez, Raymond W Lam, Glenda M MacQueen, Sagar V Parikh, Arun V Ravindran
BACKGROUND: The Canadian Network for Mood and Anxiety Treatments (CANMAT) conducted a revision of the 2009 guidelines by updating the evidence and recommendations. The scope of the 2016 guidelines remains the management of major depressive disorder (MDD) in adults, with a target audience of psychiatrists and other mental health professionals. METHODS: Using the question-answer format, we conducted a systematic literature search focusing on systematic reviews and meta-analyses...
September 2016: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
https://www.readbyqxmd.com/read/27341682/direct-current-stimulation-and-multi-electrode-array-recording-of-seizure-like-activity-in-mice-brain-slice-preparation
#13
Hsiang-Chin Lu, Wei-Jen Chang, Wei-Pang Chang, Bai-Chuang Shyu
Cathodal transcranial direct-current stimulation (tDCS) induces suppressive effects on drug-resistant seizures. To perform effective actions, the stimulation parameters (e.g., orientation, field strength, and stimulation duration) need to be examined in mice brain slice preparations. Testing and arranging the orientation of the electrode relative to the position of the mice brain slice are feasible. The present method preserves the thalamocingulate pathway to evaluate the effect of DCS on anterior cingulate cortex seizure-like activities...
2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27315032/direct-current-stimulation-induces-mglur5-dependent-neocortical-plasticity
#14
Yan Sun, Jonathan O Lipton, Lara M Boyle, Joseph R Madsen, Marti C Goldenberg, Alvaro Pascual-Leone, Mustafa Sahin, Alexander Rotenberg
OBJECTIVE: To obtain insights into mechanisms mediating changes in cortical excitability induced by cathodal transcranial direct current stimulation (tDCS). METHODS: Neocortical slices were exposed to direct current stimulation (DCS) delivered through Ag/AgCl electrodes over a range of current orientations, magnitudes, and durations. DCS-induced cortical plasticity and its receptor dependency were measured as the change in layer II/III field excitatory postsynaptic potentials by a multielectrode array, both with and without neurotransmitter receptor blockers or allosteric modulators...
August 2016: Annals of Neurology
https://www.readbyqxmd.com/read/27253216/cognitive-effects-of-transcranial-direct-current-stimulation-in-depression-results-from-the-select-tdcs-trial-and-insights-for-further-clinical-trials
#15
André Russowsky Brunoni, Gabriel Tortella, Isabela Martins Benseñor, Paulo Andrade Lotufo, André Ferrer Carvalho, Felipe Fregni
BACKGROUND: Cognitive dysfunction treatment remains an unmet clinical need in major depressive disorder (MDD). Transcranial direct current stimulation (tDCS) may improve cognitive symptoms in MDD. Our aim was to investigate the cognitive effects of tDCS in the Sertraline vs. Electric Current Therapy for Treating Depression Clinical Study (SELECT-TDCS). We also explored whether tDCS could have mood-independent cognitive effects. METHODS: One hundred twenty MDD patients aged from 18 to 65 years received 12 sessions of active/sham tDCS (2mA for 30min) and real/placebo 50mg/d sertraline over 6 weeks in a factorial trial...
September 15, 2016: Journal of Affective Disorders
https://www.readbyqxmd.com/read/27150193/the-effects-of-add-on-non-invasive-brain-stimulation-in-fibromyalgia-a-meta-analysis-and-meta-regression-of-randomized-controlled-trials
#16
Wen-Hsuan Hou, Tzu-Ya Wang, Jiunn-Horng Kang
OBJECTIVES: The effects of non-invasive brain stimulation (NBS), including repetitive transcranial magnetic stimulation (rTMS) and transcranial direct current stimulation (TDCS), in treating FM remain inconclusive. The aim of this study was to investigate present evidence of using NBS as an add-on treatment in treating FM. METHODS: We conducted a database search of the Medline, Embase, PsycINFO and Cochrane Library electronic databases, from inception to July 2015, to analyse randomized controlled trials of NBS in treating FM...
August 2016: Rheumatology
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
#17
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/27056623/transcranial-direct-current-stimulation-for-acute-major-depressive-episodes-meta-analysis-of-individual-patient-data
#18
REVIEW
André R Brunoni, Adriano H Moffa, Felipe Fregni, Ulrich Palm, Frank Padberg, Daniel M Blumberger, Zafiris J Daskalakis, Djamila Bennabi, Emmanuel Haffen, Angelo Alonzo, Colleen K Loo
BACKGROUND: Transcranial direct current stimulation (tDCS) is a non-pharmacological intervention for depression. It has mixed results, possibly caused by study heterogeneity. AIMS: To assess tDCS efficacy and to explore individual response predictors. METHOD: Systematic review and individual patient data meta-analysis. RESULTS: Data were gathered from six randomised sham-controlled trials, enrolling 289 patients. Active tDCS was significantly superior to sham for response (34% v...
June 2016: British Journal of Psychiatry: the Journal of Mental Science
https://www.readbyqxmd.com/read/27044999/the-heart-side-of-brain-neuromodulation
#19
REVIEW
Simone Rossi, Emiliano Santarnecchi, Gaetano Valenza, Monica Ulivelli
Neuromodulation refers to invasive, minimally invasive or non-invasive techniques to stimulate discrete cortical or subcortical brain regions with therapeutic purposes in otherwise intractable patients: for example, thousands of advanced Parkinsonian patients, as well as patients with tremor or dystonia, benefited by deep brain stimulation (DBS) procedures (neural targets: basal ganglia nuclei). A new era for DBS is currently opening for patients with drug-resistant depression, obsessive-compulsive disorders, severe epilepsy, migraine and chronic pain (neural targets: basal ganglia and other subcortical nuclei or associative fibres)...
May 13, 2016: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/26990901/evidence-that-some-long-lasting-effects-of-direct-current-in-the-rat-spinal-cord-are-activity-independent
#20
Elzbieta Jankowska, Dominik Kaczmarek, Francesco Bolzoni, Ingela Hammar
The effects of trans-spinal direct current (DC) stimulation (tsDCS) on specific neuronal populations are difficult to elucidate, as it affects a variety of neuronal networks. However, facilitatory and depressive effects on neurons processing information from the skin and from muscles can be evaluated separately when weak (0.2-0.3 μA) DC is applied within restricted areas of the rat spinal cord. The effects of such local DC application were recently demonstrated to persist for at least 1 h, and to include changes in the excitability of afferent fibres and their synaptic actions...
May 2016: European Journal of Neuroscience
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