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Brain Stimulation

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https://www.readbyqxmd.com/read/28094125/transcranial-static-magnetic-field-stimulation-of-m1-reduces-corticospinal-excitability-without-distorting-sensorimotor-integration-in-humans
#1
LETTER
Pablo Arias, Lucía Adán-Arcay, Beatriz Puerta-Catoira, Antonio Madrid, Javier Cudeiro
No abstract text is available yet for this article.
January 4, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/28089653/priming-theta-burst-stimulation-enhances-motor-cortex-plasticity-in-young-but-not-old-adults
#2
George M Opie, Eleni Vosnakis, Michael C Ridding, Ulf Ziemann, John G Semmler
BACKGROUND: Primary motor cortex neuroplasticity is reduced in old adults, which may contribute to the motor deficits commonly observed in the elderly. Previous research in young subjects suggests that the neuroplastic response can be enhanced using non-invasive brain stimulation (NIBS), with a larger plastic response observed following priming with both long-term potentiation (LTP) and depression (LTD)-like protocols. However, it is not known if priming stimulation can also modulate plasticity in older adults...
January 4, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/28089321/a-single-session-of-prefrontal-cortex-transcranial-direct-current-stimulation-does-not-modulate-implicit-task-sequence-learning-and%C3%A2-consolidation
#3
Branislav Savic, René Müri, Beat Meier
BACKGROUND: Transcranial direct current stimulation (tDCS) is assumed to affect cortical excitability and dependent on the specific stimulation conditions either to increase or decrease learning. OBJECTIVE: The purpose of this study was to modulate implicit task sequence learning with tDCS. METHODS: As cortico-striatal loops are critically involved in implicit task sequence learning, tDCS was applied above the dorsolateral prefrontal cortex (DLPFC)...
January 4, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/28073638/stimulation-of-the-human-medial-temporal-lobe-between-learning-and-recall-selectively-enhances-forgetting
#4
Maxwell B Merkow, John F Burke, Ashwin G Ramayya, Ashwini D Sharan, Michael R Sperling, Michael J Kahana
BACKGROUND: Direct electrical stimulation applied to the human medial temporal lobe (MTL) typically disrupts performance on memory tasks, however, the mechanism underlying this effect is not known. OBJECTIVE: To study the effects of MTL stimulation on memory performance. METHODS: We studied the effects of MTL stimulation on memory in five patients undergoing invasive electrocorticographic monitoring during various phases of a memory task (encoding, distractor, recall)...
December 29, 2016: Brain Stimulation
https://www.readbyqxmd.com/read/28057452/stimulating-cognition-in-schizophrenia-a-controlled-pilot-study-of-the-effects-of-prefrontal-transcranial-direct-current-stimulation-upon-memory-and-learning
#5
Natasza D Orlov, Derek K Tracy, Daniel Joyce, Shinal Patel, Joanna Rodzinka-Pasko, Hayley Dolan, John Hodsoll, Tracy Collier, John Rothwell, Sukhwinder S Shergill
BACKGROUND: Schizophrenia is characterized by prominent cognitive deficits, impacting on memory and learning; these are strongly associated with the prefrontal cortex. OBJECTIVE/HYPOTHESIS: To combine two interventions, transcranial direct current stimulation (tDCS) over the prefrontal cortex and cognitive training, to examine change in cognitive performance in patients with schizophrenia. METHODS: A double blind, sham-controlled pilot study of 49 patients with schizophrenia, randomized into real or sham tDCS stimulation groups...
December 28, 2016: Brain Stimulation
https://www.readbyqxmd.com/read/28065487/the-effect-of-unilateral-subthalamic-nucleus-deep-brain-stimulation-on-depression-in-parkinson-s-disease
#6
Elizabeth L Birchall, Harrison C Walker, Gary Cutter, Stephanie Guthrie, Allen Joop, Raima A Memon, Ray L Watts, David G Standaert, Amy W Amara
BACKGROUND: Depression is common in Parkinson's disease (PD) and adversely affects quality of life. Both unilateral and bilateral subthalamic (STN) deep brain stimulation (DBS) effectively treat the motor symptoms of PD, but questions remain regarding the impact of unilateral STN DBS on non-motor symptoms, such as depression. METHODS: We report changes in depression, as measured by the Hamilton Depression Rating Scale (HAMD-17), in 50 consecutive PD patients who underwent unilateral STN DBS...
December 27, 2016: Brain Stimulation
https://www.readbyqxmd.com/read/28040450/cortical-inhibitory-and-excitatory-function-in-drug-naive-generalized-anxiety-disorder
#7
Cheng-Ta Li, Chia-Feng Lu, Hui-Ching Lin, Ying-Zu Huang, Chi-Hung Juan, Tung-Ping Su, Ya-Mei Bai, Mu-Hong Chen, Wei-Chen Lin
BACKGROUND: A growing body of evidence suggests that deficits in GABAergic inhibitory and glutamatergic excitatory neurotransmission may be involved in the core pathophysiology of generalized anxiety disorder (GAD), a disease characterized by pathological anxious worrying. The aim of the present study was to measure motor cortical excitability by paired-pulse transcranial magnetic stimulation (ppTMS) in patients with GAD. METHODS: ppTMS measurements of excitation and inhibition from bilateral motor cortices were investigated in 26 right-handed GAD patients who were drug-naïve (half of them with a comorbidity of major depressive disorder) and 35 right-handed age- and sex-matched healthy controls...
December 21, 2016: Brain Stimulation
https://www.readbyqxmd.com/read/28027899/impairment-of-the-visuo-spatial-sketch-pad-by-left-prefrontal-transcranial-direct-current-stimulation
#8
LETTER
A S Alencastro, E M Borigato, I B Rios, M O Santos, R C A Melo, R E Torres, V M S Moraes, S L Sá, A Iannone, A Garcia, C Satler, M C H Tavares, J P Brasil-Neto
No abstract text is available yet for this article.
December 21, 2016: Brain Stimulation
https://www.readbyqxmd.com/read/28057451/the-critical-role-of-the-dorsal-fronto-median-cortex-in-voluntary-action-inhibition-a-tms-study
#9
Stefania C Ficarella, Lorella Battelli
BACKGROUND: Action inhibition is a complex decision process that can be triggered by external factors (exogenous) or internal decisions (endogenous). While the neuronal underpinnings of exogenous action inhibition have been extensively investigated, less is known about the brain areas responsible for endogenous action inhibition. OBJECTIVE: We used inhibitory repetitive transcranial magnetic stimulation (rTMS) to test the causal role of two brain areas, the left dorsal fronto-median Cortex (dFMC) and the right Inferior Frontal Cortex (rIFC) in exogenous and endogenous action inhibition...
December 19, 2016: Brain Stimulation
https://www.readbyqxmd.com/read/28031148/reliability-and-minimal-detectable-change-of-transcranial-magnetic-stimulation-outcomes-in-healthy-adults-a-systematic-review
#10
REVIEW
Louis-David Beaulieu, Véronique H Flamand, Hugo Massé-Alarie, Cyril Schneider
BACKGROUND: Transcranial magnetic stimulation (TMS) is used worldwide for noninvasively testing human motor systems but its psychometric properties remain unclear. OBJECTIVE/HYPOTHESIS: This work systematically reviewed studies on the reliability of TMS outcome measures of primary motor cortex (M1) excitability in healthy humans, with an emphasis on retrieving minimal detectable changes (MDC). METHODS: The literature search was performed in three databases (Pubmed, CINAHL, Embase) up to June 2016 and additional studies were identified through hand-searching...
December 19, 2016: Brain Stimulation
https://www.readbyqxmd.com/read/28017645/focal-seizure-induced-by-preoperative-navigated-transcranial-magnetic-stimulation-in-a-patient-with-anaplastic-oligoastrocytoma
#11
LETTER
Stefan Jun Groiss, Carlos Trenado, Michael Sabel, Alfons Schnitzler, Lars Wojtecki
No abstract text is available yet for this article.
December 14, 2016: Brain Stimulation
https://www.readbyqxmd.com/read/28017322/transcutaneous-auricular-vagus-nerve-stimulation-in-disorders-of-consciousness-monitored-by-fmri-the-first-case-report
#12
LETTER
Yu-Tian Yu, Yi Yang, Lu-Bin Wang, Ji-Liang Fang, Yuan-Yuan Chen, Jiang-Hong He, Pei-Jing Rong
No abstract text is available yet for this article.
December 14, 2016: Brain Stimulation
https://www.readbyqxmd.com/read/28017320/cathodal-transcranial-direct-current-stimulation-reduces-seizure-frequency-in-adults-with-drug-resistant-temporal-lobe-epilepsy-a-sham-controlled-study
#13
LETTER
Giovanni Assenza, Chiara Campana, Federica Assenza, Giovanni Pellegrino, Giovanni Di Pino, Emma Fabrizio, Rita Fini, Mario Tombini, Vincenzo Di Lazzaro
No abstract text is available yet for this article.
December 14, 2016: Brain Stimulation
https://www.readbyqxmd.com/read/28024963/variability-in-neural-excitability-and-plasticity-induction-in-the-human-cortex-a-brain-stimulation-study
#14
Brenton Hordacre, Mitchell R Goldsworthy, Ann-Maree Vallence, Sam Darvishi, Bahar Moezzi, Masashi Hamada, John C Rothwell, Michael C Ridding
BACKGROUND: The potential of non-invasive brain stimulation (NIBS) for both probing human neuroplasticity and the induction of functionally relevant neuroplastic change has received significant interest. However, at present the utility of NIBS is limited due to high response variability. One reason for this response variability is that NIBS targets a diffuse cortical population and the net outcome to stimulation depends on the relative levels of excitability in each population. There is evidence that the relative excitability of complex oligosynaptic circuits (late I-wave circuits) as assessed by transcranial magnetic stimulation (TMS) is useful in predicting NIBS response...
December 9, 2016: Brain Stimulation
https://www.readbyqxmd.com/read/28017318/defective-interhemispheric-inhibition-in-drug-treated-focal-epilepsies
#15
Gionata Strigaro, Erica Matino, Lina Falletta, Chiara Pizzamiglio, Giacomo Tondo, Radwa Badawy, Roberto Cantello
BACKGROUND: Focal epilepsies (FEs) arise from a lateralized network, while in generalized epilepsies (GEs) there is a bilateral involvement from the outset. Intuitively, the corpus callosum is the anatomical substrate for interhemispheric spread. OBJECTIVE: We used transcranial magnetic stimulation (TMS) to explore whether there are any physiological differences in the corpus callosum of drug-treated patients with FE and those with genetic GE (GGE), compared to healthy subjects (HS)...
December 9, 2016: Brain Stimulation
https://www.readbyqxmd.com/read/27965065/recurrent-themes-in-the-history-of-the-home-use-of-electrical-stimulation-transcranial-direct-current-stimulation-tdcs-and-the-medical-battery-1870-1920
#16
REVIEW
Anna Wexler
BACKGROUND: In recent years, neuroscientists and ethicists have warned of the dangers of the unsupervised home use of transcranial direct current stimulation (tDCS), in which individuals stimulate their own brains with low levels of electricity for self-improvement purposes. Although the home use of tDCS is often referred to as a novel phenomenon, in reality the late nineteenth and early twentieth century saw a proliferation of electrical stimulation devices for home use. In particular, the use of an object known as the medical battery bears a number of striking similarities to the modern-day use of tDCS...
November 29, 2016: Brain Stimulation
https://www.readbyqxmd.com/read/27965066/response-to-response-to-hoy-gender-imbalance-and-brain-stimulation-conferences-we-have-a-problem-and-it-is-everyone-s-problem
#17
LETTER
Mark R Hinder, Hakuei Fujiyama, Ann-Maree Vallence
No abstract text is available yet for this article.
November 23, 2016: Brain Stimulation
https://www.readbyqxmd.com/read/27964872/potential-beneficial-effects-of-high-frequency-rtms-to-enhance-visual-function-in-bilateral-visual-cortex-stroke-case-report
#18
LETTER
José L Guerrero Solano, Elena Molina Pacheco, Giovana Femat Roldan, Julio I Prieto Montalvo, Juan F Gongora Rivera
No abstract text is available yet for this article.
November 23, 2016: Brain Stimulation
https://www.readbyqxmd.com/read/27964870/high-frequency-stimulation-of-the-infralimbic-cortex-induces-morphological-changes-in-rat-hippocampal-neurons
#19
Yarema B Bezchlibnyk, Scellig S D Stone, Clement Hamani, Andres M Lozano
BACKGROUND: Although a significant subset of patients with major depressive disorder (MDD) fail to respond to medical or behavioural therapy, deep brain stimulation (DBS) applied to the subgenual cingulate cortex (SCC; sg25) has been shown to reduce depressive symptoms in a subset of patients. This area receives projections from neurons in the CA1 region and subiculum of the hippocampus (HC), a brain region implicated in the pathobiology and treatment of MDD. OBJECTIVE: To assess whether high frequency stimulation (HFS) of the infralimbic cortex is associated with changes in cellular morphology in the HC...
November 23, 2016: Brain Stimulation
https://www.readbyqxmd.com/read/28017319/fatal-status-dystonicus-in-tardive-dystonia-due-to-depletion-of-deep-brain-stimulation-s-pulse-generator
#20
LETTER
Mohammad Rohani, Renato P Munhoz, Gholamali Shahidi, Mansour Parvaresh, Shahnaz Miri
No abstract text is available yet for this article.
November 22, 2016: Brain Stimulation
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