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Noninvasive brain stimulation

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https://www.readbyqxmd.com/read/28207604/memory-rehabilitation-strategies-in-nonsurgical-temporal-lobe-epilepsy-a-review
#1
Alessandra Del Felice, Marzia Alderighi, Matteo Martinato, Davide Grisafi, Anna Bosco, Pamela J Thompson, Josemir W Sander, Stefano Masiero
People with temporal lobe epilepsy (TLE) who have not undergone epilepsy surgery often complain of memory deficits. Cognitive rehabilitation is employed as a remedial intervention in clinical settings, but research is limited and findings concerning efficacy and the criteria for choosing different approaches have been inconsistent. We aimed to appraise existing evidence on memory rehabilitation in nonsurgical individuals with temporal lobe epilepsy and to ascertain the effectiveness of specific strategies. A scoping review was preferred given the heterogeneous nature of the interventions...
February 15, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28178891/up-regulation-of-cerebral-cytochrome-c-oxidase-and-hemodynamics-by-transcranial-infrared-laser-stimulation-a-broadband-near-infrared-spectroscopy-study
#2
Xinlong Wang, Fenghua Tian, Divya D Reddy, Sahil S Nalawade, Douglas W Barrett, Francisco Gonzalez-Lima, Hanli Liu
Transcranial infrared laser stimulation (TILS) is a noninvasive form of brain photobiomulation. Cytochrome-c-oxidase (CCO), the terminal enzyme in the mitochondrial electron transport chain, is hypothesized to be the primary intracellular photoacceptor. We hypothesized that TILS up-regulates cerebral CCO and causes hemodynamic changes. We delivered 1064-nm laser stimulation to the forehead of healthy participants ( n = 11), while broadband near-infrared spectroscopy was utilized to acquire light reflectance from the TILS-treated cortical region before, during, and after TILS...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28157112/dual-mode-noninvasive-brain-stimulation-over-the-bilateral-primary-motor-cortices-in-stroke-patients
#3
Jae Yong Cho, Ahee Lee, Min Su Kim, Eunhee Park, Won Hyuk Chang, Yong-Il Shin, Yun-Hee Kim
BACKGROUND: Noninvasive brain stimulation (NBS) using repetitive transcranial magnetic stimulation (rTMS) or transcranial direct current stimulation (tDCS) has recently been adopted for modulating motor function in stroke patients. OBJECTIVE: We investigated the effect of simultaneous dual-mode stimulation using rTMS and tDCS over the bilateral primary motor cortices (M1) to assess its efficacy as compared to single stimulation using rTMS for the recovery of motor function in subacute stroke patients...
2017: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/28156250/efficacy-of-deep-rtms-for-neuropathic-pain-in-the-lower-limb-a-randomized-double-blind-crossover-trial-of-an-h-coil-and-figure-8-coil
#4
Takeshi Shimizu, Koichi Hosomi, Tomoyuki Maruo, Yuko Goto, Masaru Yokoe, Yu Kageyama, Toshio Shimokawa, Toshiki Yoshimine, Youichi Saitoh
OBJECTIVE Electrical motor cortex stimulation can relieve neuropathic pain (NP), but its use requires patients to undergo an invasive procedure. Repetitive transcranial magnetic stimulation (rTMS) of the primary motor cortex (M1) using a figure-8 coil can relieve NP noninvasively, but its ability to relieve lower limb pain is still limited. Deep rTMS using an H-coil can effectively stimulate deep brain regions and has been widely used for the treatment of various neurological diseases; however, there have been no clinical studies comparing the effectiveness of figure-8 coils and H-coils...
February 3, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28149919/comparison-of-group-level-source-localized-activity-for-simultaneous-functional-near-infrared-spectroscopy-magnetoencephalography-and-simultaneous-fnirs-fmri-during-parametric-median-nerve-stimulation
#5
Theodore Huppert, Jeff Barker, Benjamin Schmidt, Shawn Walls, Avniel Ghuman
Functional near-infrared spectroscopy (fNIRS) is a noninvasive neuroimaging technique, which uses light to measure changes in cerebral blood oxygenation through sensors placed on the surface of the scalp. We recorded concurrent fNIRS with magnetoencephalography (MEG) and functional magnetic resonance imaging (fMRI) in order to investigate the group-level correspondence of these measures with source-localized fNIRS estimates. Healthy participants took part in both a concurrent fNIRS-MEG and fNIRS-fMRI neuroimaging session during two somatosensory stimulation tasks, a blocked design median nerve localizer and parametric pulsed-pair median nerve stimulation using interpulse intervals from 100 to 500 ms...
January 2017: Neurophotonics
https://www.readbyqxmd.com/read/28137412/application-of-noninvasive-brain-stimulation-for-post-stroke-dysphagia-rehabilitation
#6
REVIEW
Zhuo Wang, Wei-Qun Song, Liang Wang
Noninvasive brain stimulation (NIBS), commonly consisting of transcranial magnetic stimulation (TMS), transcranial direct-current stimulation (tDCS), as well as paired associative stimulation (PAS), has attracted increased interest and been applied experimentally in the treatment of post-stroke dysphagia (PSD). This review presented a synopsis of the current research for the application of NIBS on PSD. The intention here was to understand the current research progress and limitations in this field and to stimulate potential research questions not yet investigated for the application of NIBS on patients with PSD...
February 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28120053/restoring-neurological-physiology-the-innovative-role-of-high-energy-mr-guided-focused-ultrasound-himrgfus-preliminary-data-from-a-new-method-of-lesioning-surgery
#7
Antonella Giugno, Rosario Maugeri, Francesca Graziano, Cesare Gagliardo, Angelo Franzini, Carlo Catalano, Massimo Midiri, Domenico Gerardo Iacopino
BACKGROUND: Tremor is a disabling condition, common to several neurodegenerative diseases. Lesioning procedures and deep brain stimulation, respectively, of the ventralis intermedius nucleus for intentional tremor, and of the subthalamic nucleus for parkinsonian resting tremor, have been introduced in clinical practice for patients refractory to medical treatment. The combination of high-energy focused ultrasound (HIFUS) with sophisticated magnetic resonance (MR) instrumentation, together with accurate knowledge of the stereotactic brain coordinates, represents a revolution in neuromodulation...
2017: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/28120052/vagal-nerve-stimulation-for-drug-resistant-epilepsy-adverse-events-and-outcome-in-a-series-of-patients-with-long-term-follow-up
#8
R Morace, G Di Gennaro, P P Quarato, A D'Aniello, A Mascia, L Grammaldo, M De Risi, A Sparano, F Di Cola, M De Angelis, V Esposito
BACKGROUND: Vagal nerve stimulation (VNS) is a palliative treatment option for drug-resistant epilepsy. The aim of this study was to describe the clinical and demographic features of selected patients scheduled for VNS and to evaluate the long-term efficacy of VNS in seizure control. MATERIALS AND METHODS: Between 2006 and 2013, 32 consecutive epileptic patients (14 male and 18 female) were enrolled at our Institute for VNS implantation. In all cases resective surgery had previously been excluded by the use of a noninvasive presurgical study protocol...
2017: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/28119279/effects-of-video-game-training-on-behavioral-and-electrophysiological-measures-of-attention-and-memory-protocol-for-a-randomized-controlled-trial
#9
Soledad Ballesteros, Julia Mayas, Eloisa Ruiz-Marquez, Antonio Prieto, Pilar Toril, Laura Ponce de Leon, Maria L de Ceballos, José Manuel Reales Avilés
BACKGROUND: Neuroplasticity-based approaches seem to offer promising ways of maintaining cognitive health in older adults and postponing the onset of cognitive decline symptoms. Although previous research suggests that training can produce transfer effects, this study was designed to overcome some limitations of previous studies by incorporating an active control group and the assessment of training expectations. OBJECTIVE: The main objectives of this study are (1) to evaluate the effects of a randomized computer-based intervention consisting of training older adults with nonaction video games on brain and cognitive functions that decline with age, including attention and spatial working memory, using behavioral measures and electrophysiological recordings (event-related potentials [ERPs]) just after training and after a 6-month no-contact period; (2) to explore whether motivation, engagement, or expectations might account for possible training-related improvements; and (3) to examine whether inflammatory mechanisms assessed with noninvasive measurement of C-reactive protein in saliva impair cognitive training-induced effects...
January 24, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28111154/stimulation-of-the-posterior-cortical-hippocampal-network-enhances-precision-of-memory-recollection
#10
Aneesha S Nilakantan, Donna J Bridge, Elise P Gagnon, Stephen A VanHaerents, Joel L Voss
Episodic memory is thought to critically depend on interaction of the hippocampus with distributed brain regions [1-3]. Specific contributions of distinct networks have been hypothesized, with the hippocampal posterior-medial (HPM) network implicated in the recollection of highly precise contextual and spatial information [3-6]. Current evidence for HPM specialization is mostly indirect, derived from correlative measures such as neural activity recordings. Here we tested the causal role of the HPM network in recollection using network-targeted noninvasive brain stimulation in humans, which has previously been shown to increase functional connectivity within the HPM network [7]...
February 6, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28059117/non-invasive-focused-ultrasound-facilitated-gene-delivery-for-optogenetics
#11
Shutao Wang, Tara Kugelman, Amanda Buch, Mathieu Herman, Yang Han, Maria Eleni Karakatsani, S Abid Hussaini, Karen Duff, Elisa E Konofagou
Optogenetics, a widely used technique in neuroscience research, is often limited by its invasive nature of application. Here, we present a noninvasive, ultrasound-based technique to introduce optogenetic channels into the brain by temporarily opening the blood-brain barrier (BBB). We demonstrate the efficiency of the method developed and evaluate the bioactivity of the non-invasively introduced channelrhodopsin channels by performing stimulation in freely behaving mice.
January 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28054159/brain-areas-responsible-for-vigilance-an-eeg-source-imaging-study
#12
Jung-Hoon Kim, Do-Won Kim, Chang-Hwan Im
Vigilance, sometimes referred to as sustained attention, is an important type of human attention as it is closely associated with cognitive activities required in various daily-life situations. Although many researchers have investigated which brain areas control the maintenance of vigilance, findings have been inconsistent. We hypothesized that this inconsistency might be due to the use of different experimental paradigms in the various studies. We found that most of the previous studies used paradigms that included specific cognitive tasks requiring a high cognitive load, which could complicate identification of brain areas associated only with vigilance...
January 4, 2017: Brain Topography
https://www.readbyqxmd.com/read/28042984/transcranial-direct-current-stimulation-modulates-offline-visual-oscillatory-activity-a-magnetoencephalography-study
#13
Elizabeth Heinrichs-Graham, Timothy J McDermott, Mackenzie S Mills, Nathan M Coolidge, Tony W Wilson
Transcranial direct-current stimulation (tDCS) is a noninvasive neuromodulatory method that involves delivering low amplitude, direct current to specific regions of the brain. While a wealth of literature shows changes in behavior and cognition following tDCS administration, the underlying neuronal mechanisms remain largely unknown. Neuroimaging studies have generally used fMRI and shown only limited consensus to date, while the few electrophysiological studies have reported mostly null or counterintuitive findings...
December 7, 2016: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28033506/preconditioning-tdcs-facilitates-subsequent-tdcs-effect-on-skill-acquisition-in-older-adults
#14
Hakuei Fujiyama, Mark R Hinder, Azadeh Barzideh, Charis Van de Vijver, Andreea C Badache, Maria Nathalya Manrique-C, Paola Reissig, Xue Zhang, Oron Levin, Jeffery J Summers, Stephan P Swinnen
Functional motor declines that often occur with advancing age-including reduced efficacy to learn new skills-can have a substantial impact on the quality of life. Recent studies using noninvasive brain stimulation indicate that priming the corticospinal system by lowering the threshold for the induction of long-term potentiation-like plasticity before skill training may facilitate subsequent skill learning. Here, we used "priming" protocol, in which we used transcranial direct current stimulation (tDCS) applying the cathode over the primary motor cortex (M1) before the anode placed over M1 during unimanual isometric force control training (FORCEtraining)...
March 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28032321/targeting-the-cerebellum-by-noninvasive-neurostimulation-a-review
#15
REVIEW
Kim van Dun, Florian Bodranghien, Mario Manto, Peter Mariën
Transcranial magnetic and electric stimulation of the brain are novel and highly promising techniques currently employed in both research and clinical practice. Improving or rehabilitating brain functions by modulating excitability with these noninvasive tools is an exciting new area in neuroscience. Since the cerebellum is closely connected with the cerebral regions subserving motor, associative, and affective functions, the cerebello-thalamo-cortical pathways are an interesting target for these new techniques...
December 28, 2016: Cerebellum
https://www.readbyqxmd.com/read/28017199/effects-of-left-dlpfc-versus-right-ppc-tdcs-on-multiple-sclerosis-fatigue
#16
Moussa A Chalah, Naji Riachi, Rechdi Ahdab, Alaa Mhalla, Mohamed Abdellaoui, Alain Créange, Jean-Pascal Lefaucheur, Samar S Ayache
BACKGROUND AND OBJECTIVE: Fatigue is a frequent and debilitating symptom in patients with multiple sclerosis (MS). Its classical treatments are still faced with limited benefits and numerous side effects. Hence, we aimed to evaluate the effects of transcranial direct current stimulation (tDCS), a noninvasive brain stimulation technique, on such a challenging symptom. Our secondary outcomes included the assessment of tDCS impact on mood and attentional performance. METHODS: Ten fatigued MS patients were enrolled in a double-blind, sham-controlled, and cross-over study...
January 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/27997958/use-of-tdcs-in-aphasia-rehabilitation-a-systematic-review-of-the-behavioral-interventions-implemented-with-noninvasive-brain-stimulation-for-language-recovery
#17
Elizabeth E Galletta, Peggy Conner, Amy Vogel-Eyny, Paola Marangolo
Purpose: The purpose of this article is to review the behavioral treatments used in aphasia rehabilitation research that have been combined with transcranial direct current stimulation (tDCS). Although tDCS in aphasia treatment has shown promise, the results have not been conclusive, and their interpretation is further compounded by the heterogeneity of study characteristics. Because implementing a behavioral task during brain stimulation has been shown to be pivotal to the adjuvant effects of tDCS, we analyze the behavioral treatments that have been paired with tDCS...
December 1, 2016: American Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/27997354/applications-of-transcranial-direct-current-stimulation-in-children-and-pediatrics
#18
Guadalupe Nathzidy Rivera-Urbina, Michael A Nitsche, Carmelo M Vicario, Andrés Molero-Chamizo
Transcranial direct current stimulation (tDCS) is a neuromodulatory noninvasive brain stimulation tool with potential to increase or reduce regional and remote cortical excitability. Numerous studies have shown the ability of this technique to induce neuroplasticity and to modulate cognition and behavior in adults. Clinical studies have also demonstrated the ability of tDCS to induce therapeutic effects in several central nervous system disorders. However, knowledge about its ability to modulate brain functions in children or induce clinical improvements in pediatrics is limited...
February 1, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/27931886/neurobiological-after-effects-of-non-invasive-brain-stimulation
#19
REVIEW
G Cirillo, G Di Pino, F Capone, F Ranieri, L Florio, V Todisco, G Tedeschi, K Funke, V Di Lazzaro
BACKGROUND: In recent years, many studies have evaluated the effects of noninvasive brain stimulation (NIBS) techniques for the treatment of several neurological and psychiatric disorders. Positive results led to approval of NIBS for some of these conditions by the Food and Drug Administration in the USA. The therapeutic effects of NIBS have been related to bi-directional changes in cortical excitability with the direction of change depending on the choice of stimulation protocol. Although after-effects are mostly short lived, complex neurobiological mechanisms related to changes in synaptic excitability bear the potential to further induce therapy-relevant lasting changes...
January 2017: Brain Stimulation
https://www.readbyqxmd.com/read/27927951/effects-of-the-selective-%C3%AE-5-gabaar-antagonist-s44819-on-excitability-in-the-human-brain-a-tms-emg-and-tms-eeg-phase-i-study
#20
Ghazaleh Darmani, Carl M Zipser, Gabriele M Böhmer, Karine Deschet, Florian Müller-Dahlhaus, Paolo Belardinelli, Matthias Schwab, Ulf Ziemann
: Alpha-5 gamma-aminobutyric acid type A receptors (α5-GABAARs) are located extrasynaptically, regulate neuronal excitability through tonic inhibition, and are fundamentally important for processes such as plasticity and learning. For example, pharmacological blockade of α5-GABAAR in mice with ischemic stroke improved recovery of function by normalizing exaggerated perilesional α5-GABAAR-dependent tonic inhibition. S44819 is a novel competitive selective antagonist of the α5-GABAAR at the GABA-binding site...
December 7, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
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