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Neurostimulation

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https://www.readbyqxmd.com/read/28530239/thermogenetic-neurostimulation-with-single-cell-resolution
#1
Yulia G Ermakova, Aleksandr A Lanin, Ilya V Fedotov, Matvey Roshchin, Ilya V Kelmanson, Dmitry Kulik, Yulia A Bogdanova, Arina G Shokhina, Dmitry S Bilan, Dmitry B Staroverov, Pavel M Balaban, Andrei B Fedotov, Dmitry A Sidorov-Biryukov, Evgeny S Nikitin, Aleksei M Zheltikov, Vsevolod V Belousov
Thermogenetics is a promising innovative neurostimulation technique, which enables robust activation of neurons using thermosensitive transient receptor potential (TRP) cation channels. Broader application of this approach in neuroscience is, however, hindered by a limited variety of suitable ion channels, and by low spatial and temporal resolution of neuronal activation when TRP channels are activated by ambient temperature variations or chemical agonists. Here, we demonstrate rapid, robust and reproducible repeated activation of snake TRPA1 channels heterologously expressed in non-neuronal cells, mouse neurons and zebrafish neurons in vivo by infrared (IR) laser radiation...
May 22, 2017: Nature Communications
https://www.readbyqxmd.com/read/28527059/personality-disorders-in-cluster-headache-a-study-using-the-millon-clinical-multiaxial-inventory-iii
#2
Sylvie Hélène Marie Jeanne Piacentini, Lara Draghi, Alberto Proietti Cecchini, Massimo Leone
A great deal of studies suggests that cluster headache (CH) patients are usually comorbid to anxiety-mood spectrum disorders and psychopathological symptoms; however, the personality profiles reported in the literature strictly depend on type of assessment used. Psychiatric comorbidities have been extensively studied in migraine and they are recognized to represent a major risk factor associated with poorer outcome, playing a role in the headache chronification process at once as cause and consequence of it...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28527055/cluster-headache-present-and-future-therapy
#3
Massimo Leone, Alessandro Giustiniani, Alberto Proietti Cecchini
Cluster headache is characterized by severe, unilateral headache attacks of orbital, supraorbital or temporal pain lasting 15-180 min accompanied by ipsilateral lacrimation, rhinorrhea and other cranial autonomic manifestations. Cluster headache attacks need fast-acting abortive agents because the pain peaks very quickly; sumatriptan injection is the gold standard acute treatment. First-line preventative drugs include verapamil and carbolithium. Other drugs demonstrated effective in open trials include topiramate, valproic acid, gabapentin and others...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28527053/transcutaneous-supraorbital-neurostimulation-for-the-prevention-of-chronic-migraine-a-prospective-open-label-preliminary-trial
#4
Paola Di Fiore, Gennaro Bussone, Alberto Galli, Henri Didier, Cesare Peccarisi, Domenico D'Amico, Fabio Frediani
Since chronic migraine is difficult to treat and often associated with medication overuse, non-invasive neurostimulation approaches are worth investigating. Transcutaneous supraorbital neurostimulation using the Cefaly(®) device is promising as a non-invasive preventive treatment for episodic migraine, but no data are available for chronic migraine. Our aim was to perform a preliminary evaluation of the efficacy of the Cefaly(®) device for the prophylaxis of chronic migraine with or without medication overuse...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28523978/closed-loop-neuromodulation-systems-next-generation-treatments-for-psychiatric-illness
#5
Meng-Chen Lo, Alik S Widge
Despite deep brain stimulation's positive early results in psychiatric disorders, well-designed clinical trials have yielded inconsistent clinical outcomes. One path to more reliable benefit is closed-loop therapy: stimulation that is automatically adjusted by a device or algorithm in response to changes in the patient's electrical brain activity. These interventions may provide more precise and patient-specific treatments. This article first introduces the available closed-loop neuromodulation platforms, which have shown clinical efficacy in epilepsy and strong early results in movement disorders...
April 2017: International Review of Psychiatry
https://www.readbyqxmd.com/read/28521762/clinical-experience-with-transcutaneous-supraorbital-nerve-stimulation-in-patients-with-refractory-migraine-or-with-migraine-and-intolerance-to-topiramate-a-prospective-exploratory-clinical-study
#6
Michail Vikelis, Emmanouil V Dermitzakis, Konstantinos C Spingos, Georgios G Vasiliadis, George S Vlachos, Evaggelia Kararizou
BACKGROUND: Migraine is included in the top-ten disabling diseases and conditions among the Western populations. Non-invasive neurostimulation, including the Cefaly® device, for the treatment of various types of pain is a relatively new field of interest. The aim of the present study was to explore the clinical experience with Cefaly® in a cohort of migraine patients previously refractory or intolerant to topiramate prophylaxis. METHODS: A prospective, multi-center clinical study was performed in patients diagnosed with episodic or chronic migraine with a previous failure to topiramate treatment requiring prevention with Cefaly® according to the treating physician's suggestion...
May 18, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28518084/subcutaneous-trigeminal-nerve-field-stimulation-for-refractory-facial-pain
#7
Martin Jakobs, Sigrid Schuh-Hofer, Andreas Unterberg, Rezvan Ahmadi
Chronic or neuropathic trigeminal facial pain can be challenging to treat. Neurosurgical procedures should be applied when conservative treatment fails. Neuromodulation techniques for chronic facial pain include deep brain stimulation and motor cortex stimulation, which are complex to perform. Subcutaneous nerve field stimulation is certified for chronic back pain and is the least invasive form of neuromodulation. We applied this technique to treat chronic and neuropathic trigeminal pain as an individual therapy concept...
May 10, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28503139/a-pilot-study-on-the-effects-of-transcranial-direct-current-stimulation-on-brain-rhythms-and-entropy-during-self-paced-finger-movement-using-the-epoc-helmet
#8
Florian C A A Bodranghien, Margot Langlois Mahe, Serge Clément, Mario U Manto
Transcranial direct current stimulation (tDCS) of the cerebellum is emerging as a novel non-invasive tool to modulate the activity of the cerebellar circuitry. In a single blinded study, we applied anodal tDCS (atDCS) of the cerebellum to assess its effects on brain entropy and brain rhythms during self-paced sequential finger movements in a group of healthy volunteers. Although wearable electroencephalogram (EEG) systems cannot compete with traditional clinical/laboratory set-ups in terms of accuracy and channel density, they have now reached a sufficient maturity to envision daily life applications...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28502585/frontoparietal-neurostimulation-modulates-working-memory-training-benefits-and-oscillatory-synchronization
#9
Kevin T Jones, Dwight J Peterson, Kara J Blacker, Marian E Berryhill
There is considerable interest in maintaining working memory (WM) because it is essential to accomplish most cognitive tasks, and it is correlated with fluid intelligence and ecologically valid measures of daily living. Toward this end, WM training protocols aim to improve WM capacity and extend improvements to unpracticed domains, yet success is limited. One emerging approach is to couple WM training with transcranial direct current stimulation (tDCS). This pairing of WM training with tDCS in longitudinal designs promotes behavioral improvement and evidence of transfer of performance gains to untrained WM tasks...
May 11, 2017: Brain Research
https://www.readbyqxmd.com/read/28495218/effects-of-hippocampal-low-frequency-stimulation-in-idiopathic-non-human-primate-epilepsy-assessed-via-a-remote-sensing-enabled-neurostimulator
#10
Thomas A Wozny, Witold J Lipski, Ahmad Alhourani, Efstathios D Kondylis, Arun Antony, R Mark Richardson
Individuals with pharmacoresistant epilepsy remain a large and under-treated patient population. Continued technologic advancements in implantable neurostimulators have spurred considerable research efforts directed towards the development of novel antiepileptic stimulation therapies. However, the lack of adequate preclinical experimental platforms has precluded a detailed understanding of the differential effects of stimulation parameters on neuronal activity within seizure networks. In order to chronically monitor seizures and the effects of stimulation in a freely-behaving non-human primate with idiopathic epilepsy, we employed a novel simultaneous video-intracranial EEG recording platform using a state-of-the-art sensing-enabled, rechargeable clinical neurostimulator with real-time seizure detection and wireless data streaming capabilities...
May 7, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28493519/neurotransmitters-behind-pain-relief-with-transcranial-magnetic-stimulation-positron-emission-tomography-evidence-for-release-of-endogenous-opioids
#11
S Lamusuo, J Hirvonen, P Lindholm, I K Martikainen, N Hagelberg, R Parkkola, T Taiminen, J Hietala, S Helin, A Virtanen, A Pertovaara, S K Jääskeläinen
BACKGROUND: Repetitive transcranial magnetic stimulation (rTMS) at M1/S1 cortex has been shown to alleviate neuropathic pain. OBJECTIVES: To investigate the possible neurobiological correlates of cortical neurostimulation for the pain relief. METHODS: We studied the effects of M1/S1 rTMS on nociception, brain dopamine D2 and μ-opioid receptors using a randomized, sham-controlled, double-blinded crossover study design and 3D-positron emission tomography (PET)...
May 11, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28490738/model-guided-control-of-hippocampal-discharges-by-local-direct-current-stimulation
#12
Faten Mina, Julien Modolo, Fanny Recher, Gabriel Dieuset, Arnaud Biraben, Pascal Benquet, Fabrice Wendling
Neurostimulation is an emerging treatment for drug-resistant epilepsies when surgery is contraindicated. Recent clinical results demonstrate significant seizure frequency reduction in epileptic patients, however the mechanisms underlying this therapeutic effect are largely unknown. This study aimed at gaining insights into local direct current stimulation (LDCS) effects on hyperexcitable tissue, by i) analyzing the impact of electrical currents locally applied on epileptogenic brain regions, and ii) characterizing currents achieving an "anti-epileptic" effect (excitability reduction)...
May 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28488564/hippocampal-cholinergic-neurostimulating-peptide-as-a-possible-modulating-factor-against-glutamatergic-neuronal-disability-by-amyloid-oligomers
#13
Toyohiro Sato, Yoshiaki Ohi, Daisuke Kato, Masayuki Mizuno, Hiroshi Takase, Tetsuko Kanamori, Cesar V Borlongan, Akira Haji, Noriyuki Matsukawa
Despite having pathological changes in the brain associated Alzheimer's disease (AD), some patients have preserved cognitive function. A recent epidemiological study has shown that diet, exercise, cognitive training, and vascular risk monitoring interventions may reduce cognitive decline in at-risk elderly people in the general population. However, the details of molecular mechanisms underlying this cognitive function preservation are still unknown. Previous report demonstrated that enriched environments prevent the impairment of hippocampal long-term potentiation (LTP) through β2-adrenergic signals, when LTP is incompletely suppressed by synthetic amyloid-β (Aβ) oligomers...
May 9, 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28488252/multiscale-modeling-in-the-clinic-diseases-of-the-brain-and-nervous-system
#14
REVIEW
William W Lytton, Jeff Arle, Georgiy Bobashev, Songbai Ji, Tara L Klassen, Vasilis Z Marmarelis, James Schwaber, Mohamed A Sherif, Terence D Sanger
Computational neuroscience is a field that traces its origins to the efforts of Hodgkin and Huxley, who pioneered quantitative analysis of electrical activity in the nervous system. While also continuing as an independent field, computational neuroscience has combined with computational systems biology, and neural multiscale modeling arose as one offshoot. This consolidation has added electrical, graphical, dynamical system, learning theory, artificial intelligence and neural network viewpoints with the microscale of cellular biology (neuronal and glial), mesoscales of vascular, immunological and neuronal networks, on up to macroscales of cognition and behavior...
May 9, 2017: Brain Informatics
https://www.readbyqxmd.com/read/28486925/the-mutual-interaction-between-sleep-and-epilepsy-on-the-neurobiological-basis-and-therapy
#15
Yi-Qun Wang, Meng-Qi Zhang, Rui Li, Wei-Min Qu, Zhi-Li Huang
Sleep and epilepsy are mutually related in a complex, bidirectional manner. However, our understanding of this relationship remains unclear. In this paper, we address the issues involved in these phenomena and also discuss the various therapies used to modify them. The literatures of the neurobiological basis of the interactions between sleep and epilepsy indicate that non-rapid eye movement sleep and idiopathic generalized epilepsy share the same thalamocortical networks. Neuromodulators-such as adenosine, melatonin, prostaglandin D2, serotonin, and histamine-promote wakefulness and are considered to have antiepilepsy effects; antiepileptic drugs, in turn, also have effects on sleep...
May 8, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28484885/the-comparative-accuracy-of-the-rosa-stereotactic-robot-across-a-wide-range-of-clinical-applications-and-registration-techniques
#16
Nicholas J Brandmeir, Sandip Savaliya, Pratik Rohatgi, Michael Sather
Robot-assisted stereotactic neurosurgery is an emerging technology with a growing range of applications. The ROSA system is a robotic stereotactic system that has been shown to be accurate in laboratory studies and large case series. The goal of this study was to examine the accuracy of the ROSA across different registration methods as well as different clinical applications. Sixteen patients with one hundred and seventeen stereotactic trajectories were examined. Accuracy was compared by measuring the distance between the trajectory target and the actual termination of the device as determined by imaging...
May 8, 2017: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/28483180/use-of-magnetic-neurostimulator-appliance-in-temporomandibular-disorder
#17
Marcelo Rossiti Florian, Vera Lucia Rasera Zotelli, Maria da Luz Rosário de Sousa, Larissa Angélica Bachir Polloni
Temporomandibular disorder (TMD) is ranked the second leading cause of orofacial pain after toothache, and there is no effective standard treatment for all cases. Therefore, much research has been conducted in the therapeutic areas of TMD, such as acupuncture and electrotherapy, for this purpose. The aim of this research was to evaluate application of the neuromagnetic stimulator device Haihua model CD-9, used within the precepts of acupuncture in treating TMD-related pain symptoms and limited mouth opening...
April 2017: Journal of Acupuncture and Meridian Studies
https://www.readbyqxmd.com/read/28476683/neurostimulation-therapy-for-pediatric-primary-enuresis-a-meta-analysis
#18
Michael E Chua, Nicolas Fernandez, Jessica M Ming, Jan Michael A Silangcruz, Joana Dos Santos, Armando J Lorenzo, Martin A Koyle, Roberto Iglesias Lopes
OBJECTIVES: To assess the efficacy and safety of neurostimulation compared to control groups in the treatment of pediatric primary enuresis (PPE) by performing meta-analysis of randomized controlled trials (RCTs) METHODS: A systematic literature search with no language restriction was done in August 2016. RCTs were identified and evaluated according to the Cochrane Collaboration risk of bias assessment recommendations. The number of patients with post-treatment: partial response /PR (50%-89%), complete response /CR (≥90%) and full response/ FR (100%) responses were extracted for relative risk (RR) and 95% confidence interval (CI)...
May 2, 2017: Urology
https://www.readbyqxmd.com/read/28467281/chronic-refractory-constipation-due-to-neurogenic-bowel-dysfunction-can-be-successfully-treated-by-sacral-neurostimulation
#19
Frederiek Nuytens, Mathieu D'Hondt
INTRODUCTION: In the last few decades, sacral neurostimulation (SNS) has proven to be an effective treatment option for functional bowel disorders. Experience concerning the role of SNS in the treatment of chronic constipation due to neurogenic bowel dysfunction (NBD) however is limited. METHODS: In this report, we present the case of a 44-year old patient, with chronic refractory neurogenic constipation after a spontaneous cerebral hemorrhage, who was treated with SNS...
May 3, 2017: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/28461127/comparison-of-lidocaine-and-lidocaine-epinephrine-for-the-paravertebral-brachial-plexus-block-in-dogs
#20
Amélie Choquette, Jérôme R E Del Castillo, Maxim Moreau, Martin Guillot, Kate Alexander, Jean-Jacques Kona-Boun, Dominique Gauvin, Eric Troncy
OBJECTIVE: To compare the motor and sensory block efficacy and duration of a modified paravertebral brachial plexus block (PBPB) after administration of lidocaine alone (LI) or combined with epinephrine (LE). STUDY DESIGN: Prospective, randomized, blinded, crossover study. ANIMALS: A total of eight healthy female Beagle dogs. METHODS: Under general anesthesia, modified PBPB was performed on the left thoracic limb using neurostimulation and/or ultrasound guidance to administer lidocaine (2 mg kg(-1); 0...
January 11, 2017: Veterinary Anaesthesia and Analgesia
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