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https://www.readbyqxmd.com/read/28534074/facial-nerve-sparing-surgery-for-large-vestibular-schwannomas
#1
Paolo Ferroli, Lorenzo Bosio, Morgan Broggi
BACKGROUND: Nowadays, there is a general trend in vestibular schwannoma (VS) surgery favoring near-total or subtotal tumor resection (NTR/STR) with facial nerve (FN) function preservation rather than gross total resection (GTR) with high risk of FN damage. METHODS: The surgical technique of FN sparing in large VS includes patient-tailored image-guided craniotomy, continuous intraoperative neurophysiological monitoring (INM), intracapsular wide tumor debulking, and only final extracapsular dissection with FN course identification and brainstem decompression...
May 22, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28533625/beneficial-effect-of-interventional-exercise-on-autistic-fragile-x-syndrome
#2
REVIEW
Seunghoon Lee, Jinyoung Won, Sookyoung Park, Sang-Rae Lee, Kyu-Tae Chang, Joo-Heon Kim, Yonggeun Hong
[Purpose] The purpose of the present review is to discuss recent published articles in the understanding of efficacy of interventional exercise on autistic Fragile X syndrome (FXS) with special emphasis on its significance in clinical application in patients. [Methods] This review article was identified scientifically and/or clinically relevant articles from PubMed that directly/indirectly met the inclusion criteria. [Results] Mutation of fragile X mental retardation 1 (fmr1) gene on the X chromosome is related with loss of fragile X mental retardation protein (FMRP) that affecting physiological and behavioral abnormalities...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28532908/the-safety-and-efficiency-of-pvcr-without-anterior-support-applied-in-treatment-of-yang-s-a-type-severe-thoracic-kyphoscoliosis
#3
Wen-Yuan Sui, Zi-Fang Huang, Yao-Long Deng, Heng-Wei Fan, Jing-Fan Yang, Fo-Bao Li, Jun-Lin Yang
OBJECT: To assess the clinical and radiographic outcomes of posterior vertebral column resection (PVCR) without anterior support in treatment of Yang's A type severe rigid thoracic kyphoscoliosis. METHODS: The records of 27 Yang's A type severe thoracic kyphoscoliosis patients treated with PVCR without anterior support from January 2010 to September 2013 were retrospectively analyzed. Intraoperative multimodal neurophysiological monitoring (IONM) (6 modes: Somatosensory evoked potential (SSEP), Motor evoked potential (MEP), Descending neurogenic evoked potential (DNEP), Spinal cord evoked potential (SCEP), and Electromyography, both triggered and free run EMG) was conducted in all patients...
May 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28532881/preliminary-evidence-of-regional-interdependent-inhibition-using-a-diaphragm-release-to-specifically-induce-an-immediate-hypoalgesic-effect-in-the-cervical-spine
#4
Calum A McCoss, Ross Johnston, Darren J Edwards, Charles Millward
In clinical practice, Osteopaths and Manual Therapists commonly direct treatment towards the diaphragm by the use of a 'Diaphragm Release'. Currently, there is paucity within the literature to support the use of this technique, specifically in pain outcomes. This research aims to support a neurophysiological mechanism based upon the osteopathic principle "The body is a unit". Demonstrating that directing treatment to distal tissue which is neurologically related can reduce pain in the originating spinal segments...
April 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28532853/long-term-test-retest-reliability-of-event-related-potential-erp-recordings-during-treadmill-walking-using-the-mobile-brain-body-imaging-mobi-approach
#5
Brenda R Malcolm, John J Foxe, John S Butler, Wenzhu B Mowrey, Sophie Molholm, Pierfilippo De Sanctis
Advancements in acquisition technology and signal-processing techniques have spurred numerous recent investigations on the electro-cortical signals generated during whole-body motion. This approach, termed Mobile Brain/Body Imaging (MoBI), has the potential to elucidate the neural correlates of perceptual and cognitive processes during real-life activities, such as locomotion. However, as of yet, no one has assessed the long-term stability of event-related potentials (ERPs) recorded under these conditions. Therefore, the objective of the current study was to evaluate the test-retest reliability of cognitive ERPs recorded while walking...
May 19, 2017: Brain Research
https://www.readbyqxmd.com/read/28532464/neurorehabilitation-in-upper-limb-amputation-understanding-how-neurophysiological-changes-can-affect-functional-rehabilitation
#6
REVIEW
Lewis A Wheaton
BACKGROUND: Significant advances have been made in developing new prosthetic technologies with the goal of restoring function to persons that suffer partial or complete loss of the upper limb. Despite these technological advances, many challenges remain in understanding barriers in patient adoption of technology, and what critical factors should be of focus in prosthetics development from a motor control perspective. This points to a potential opportunity to improve our understanding of amputation using neurophysiology and plasticity, and integrate this knowledge into the development of prosthetics technology in novel ways...
May 22, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28530229/deep-sleep-maintains-learning-efficiency-of-the-human-brain
#7
Sara Fattinger, Toon T de Beukelaar, Kathy L Ruddy, Carina Volk, Natalie C Heyse, Joshua A Herbst, Richard H R Hahnloser, Nicole Wenderoth, Reto Huber
It is hypothesized that deep sleep is essential for restoring the brain's capacity to learn efficiently, especially in regions heavily activated during the day. However, causal evidence in humans has been lacking due to the inability to sleep deprive one target area while keeping the natural sleep pattern intact. Here we introduce a novel approach to focally perturb deep sleep in motor cortex, and investigate the consequences on behavioural and neurophysiological markers of neuroplasticity arising from dedicated motor practice...
May 22, 2017: Nature Communications
https://www.readbyqxmd.com/read/28528962/which-brain-networks-related-to-art-perception-are-we-talking-about-comment-on-move-me-astonish-me%C3%A2-delight-my-eyes-and-brain-the-vienna-integrated-model-of-top-down-and-bottom-up-processes-in-art-perception-vimap-and-corresponding-affective-evaluative-and
#8
https://www.readbyqxmd.com/read/28528745/measurement-of-electrochemical-conductance-of-penile-skin-using-sudoscan-%C3%A2-a-new-tool-to-assess-neurogenic-impotence
#9
Jean-Pascal Lefaucheur
OBJECTIVES: To investigate the value of electrochemical skin conductance (ESC) measurement at penile level using Sudoscan(®) for the diagnosis of neurogenic impotence in diabetics. METHODS: The following neurophysiological parameters were assessed in 25 male diabetics who complained of impotence and 25 age-matched normal male subjects without erectile dysfunction (age range: 29-70 years): ESC, sympathetic skin responses (SSR), warm detection thresholds (WDT), and cold detection thresholds (CDT) for the penis and the feet, vibration detection thresholds (VDT) for the penis, and sensory nerve conduction study of the dorsal nerve of the penis (DNP) with sensory nerve action potential (SNAP) recording...
May 18, 2017: Neurophysiologie Clinique, Clinical Neurophysiology
https://www.readbyqxmd.com/read/28527986/the-temporal-and-spatial-brain-dynamics-of-automatic-emotion-regulation-in-children
#10
Charline Urbain, Julie Sato, Elizabeth W Pang, Margot J Taylor
Mechanisms for automatic emotion regulation (AER) are essential during childhood as they offset the impact of unwanted or negative emotional responses without drawing on limited attentional resources. Despite the importance of AER in improving the efficiency and flexibility of self-regulation, few research studies have investigated the underlying neurophysiological mechanisms. To fill this gap, we used magnetoencephalography (MEG) to investigate AER-related brain processes in 25 children (∼10 years old) who performed a go/no-go task that included an incidental exposure to faces containing socio-emotional cues...
May 17, 2017: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/28527204/levetiracetam-alters-oscillatory-connectivity-in-alzheimer-s-disease
#11
Christian S Musaeus, Mouhsin M Shafi, Emiliano Santarnecchi, Susan T Herman, Daniel Z Press
Seizures occur at a higher frequency in people with Alzheimer's disease (AD) but overt, clinically obvious events are infrequent. Evidence from animal models and studies in mild cognitive impairment suggest that subclinical epileptic discharges may play a role in the clinical and pathophysiological manifestations of AD. In this feasibility study, the neurophysiological and cognitive effects of acute administration of levetiracetam (LEV) are measured in patients with mild AD to test whether it could have a therapeutic benefit...
May 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28527084/neurobiology-of-chronicization
#12
Gian Camillo Manzoni, Marco Russo, Arens Taga, Paola Torelli
In the past few years, research on chronicization of headache has focussed primarily on migraine, even though there are other types of primary headache that over time can turn into chronic forms. Only a minority of migraine sufferers will develop a chronic condition, with attacks that are likely to vary in their clinical features. As a result, in chronic migraine the specific diagnostic criteria for this headache type do not always exhibit the typical features of migraine. Among the factors that play a major role in favouring chronicization are a high frequency of migraine attacks since the beginning, overuse of symptomatic medication and onset of depression or arterial hypertension...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28527052/action-mechanisms-of-onabotulinum-toxin-a-hints-for-selection-of-eligible-patients
#13
Carlo Lovati, Luca Giani
In the past few decades, the so-feared botulinum toxin has conversely acquired the role of a ever more versatile therapeutic substance, used in an increasing number of pathological situations, including chronic headache and more precisely in the prophylaxis of chronic migraine. The medical use of botulinum toxin allowed to better understand its multiple mechanisms of action. Investigations about the pathophysiology of primary and secondary headaches has shown a series of common biological elements that frequently are also targets of the action of botulinum toxin...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28526648/somatosensory-evoked-potentials-during-temporary-arterial-occlusion-for-intracranial-aneurysm-surgery-predictive-value-for-perioperative-stroke
#14
Ahmed I Kashkoush, Brian T Jankowitz, Paul Gardner, Robert M Friedlander, Yue-Fang Chang, Donald J Crammond, Jeffrey R Balzer, Parthasarathy D Thirumala
BACKGROUND: Temporary arterial occlusion (TAO) is a valuable tool for minimizing intraoperative rupture risk during intracranial aneurysm microsurgery; however, it may also be associated with ischemic injury. OBJECTIVE: This study aims to identify surgical and intraoperative neurophysiological monitoring (IONM) factors that predict perioperative stroke risk after TAO. METHODS: We performed a retrospective chart review of 177 intracranial aneurysm surgeries at our institution, in which TAO was performed before the placement of a permanent clip under monitoring with somatosensory evoked potentials (SSEPs) and electroencephalography (EEG)...
May 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28526642/-asleep-deep-brain-stimulation-surgery-a-critical-review-of-the-literature
#15
REVIEW
Tsinsue Chen, Zaman Mirzadeh, Francisco A Ponce
OBJECTIVE: Although performing deep brain stimulation (DBS) with the patient under general anesthesia without microelectrode recording (MER) or intraoperative test stimulation (ITS) for movement disorders ("asleep" DBS) has become increasingly popular, its feasibility is based on the untested assumption that stereotactic accuracy correlates with positive clinical outcomes. To investigate outcomes after asleep DBS without MER or neurophysiological testing, we reviewed the medical literature on the topic...
May 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28526324/on-viewer-motivation-unit-of-analysis-and-the-vimap-comment-on-move-me-astonish-me-delight-my-eyes-and-brain-the-vienna-integrated-model-of-top-down-and-bottom-up-processes-in-art-perception-vimap-and-corresponding-affective-evaluative-and-neurophysiological
#16
https://www.readbyqxmd.com/read/28525587/assessing-the-psychedelic-after-glow-in-ayahuasca-users-post-acute-neurometabolic-and-functional-connectivity-changes-are-associated-with-enhanced-mindfulness-capacities
#17
Frederic Sampedro, Mario de la Fuente Revenga, Marta Valle, Natalia Roberto, Elisabet Domínguez-Clavé, Matilde Elices, Luís Eduardo Luna, José Alexandre S Crippa, Jaime E C Hallak, Draulio B de Araujo, Pablo Friedlander, Steven A Barker, Enrique Álvarez, Joaquim Soler, Juan C Pascual, Amanda Feilding, Jordi Riba
Background: Ayahuasca is a plant tea containing the psychedelic 5-HT2A agonist N,N-dimethyltryptamine (DMT) and harmala monoamine-oxidase inhibitors. Acute administration leads to neurophysiological modifications in brain regions of the default mode network (DMN), purportedly through a glutamatergic mechanism. Post-acutely, ayahuasca potentiates mindfulness capacities in volunteers, and induces rapid and sustained antidepressant effects in treatment-resistant patients. However, the mechanisms underlying these fast and maintained effects are poorly understood...
May 19, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28525545/gene-co-expression-network-analysis-for-identifying-modules-and-functionally-enriched-pathways-in-sca2
#18
Lance T Pflieger, Warunee Dansithong, Sharan Paul, Daniel Scoles, Karla P Figueroa, Pratap Meera, Thomas S Otis, Julio C Facelli, Stefan M Pulst
Spinocerebellar ataxia type 2 (SCA2) is an autosomal dominant neurodegenerative disease caused by CAG repeat expansion in the ATXN2 gene. The repeat resides in an encoded region of the gene resulting in polyglutamine (polyQ) expansion which has been assumed to result in gain of function, predominantly, for the ATXN2 protein. We evaluated temporal cerebellar expression profiles by RNA sequencing of ATXN2Q127 mice vs wildtype littermates. ATXN2Q127 mice are characterized by a progressive motor phenotype onset, and have progressive cerebellar molecular and neurophysiological (Purkinje cell firing frequency) phenotypes...
May 19, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28524753/continuous-mapping-of-the-corticospinal-tracts-in-intramedullary-spinal-cord-tumor-surgery-using-an-electrified-ultrasonic-aspirator
#19
Ori Barzilai, Zvi Lidar, Shlomi Constantini, Khalil Salame, Yifat Bitan-Talmor, Akiva Korn
Intramedullary spinal cord tumors (IMSCTs) represent a rare entity, accounting for 4%-10% of all central nervous system tumors. Microsurgical resection of IMSCTs is currently considered the primary treatment modality. Intraoperative neurophysiological monitoring (IONM) has been shown to aid in maximizing tumor resection and minimizing neurological morbidity, consequently improving patient outcome. The gold standard for IONM to date is multimodality monitoring, consisting of both somatosensory evoked potentials, as well as muscle-based transcranial electric motor evoked potentials (tcMEPs)...
May 19, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28524700/what-is-important-in-transdisciplinary-pain-neuroscience-education-a-qualitative-study
#20
Amarins J Wijma, Caroline M Speksnijder, Astrid F Crom-Ottens, J M Corine Knulst-Verlaan, Doeke Keizer, Jo Nijs, C Paul van Wilgen
PURPOSE: The main focus of Pain Neuroscience Education is around changing patients' pain perceptions and minimizing further medical care. Even though Pain Neuroscience Education has been studied extensively, the experiences of patients regarding the Pain Neuroscience Education process remain to be explored. Therefore, the aim of this study was to explore the experiences in patients with non-specific chronic pain. MATERIALS AND METHODS: Fifteen patients with non-specific chronic pain from a transdisciplinary treatment centre were in-depth interviewed...
May 19, 2017: Disability and Rehabilitation
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