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Neurophysiological monitoring

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https://www.readbyqxmd.com/read/28218803/error-monitoring-and-empathy-explorations-within-a-neurophysiological-context
#1
Azhani Amiruddin, Simone N Fueggle, An T Nguyen, Gilles E Gignac, Karen L Clunies-Ross, Allison M Fox
Past literature has proposed that empathy consists of two components: cognitive and affective empathy. Error monitoring mechanisms indexed by the error-related negativity (ERN) have been associated with empathy. Studies have found that a larger ERN is associated with higher levels of empathy. We aimed to expand upon previous work by investigating how error monitoring relates to the independent theoretical domains of cognitive and affective empathy. Study 1 (N = 24) explored the relationship between error monitoring mechanisms and subcomponents of empathy using the Questionnaire of Cognitive and Affective Empathy and found no relationship...
February 20, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28215877/my-friends-have-a-word-for-it-event-related-potentials-evidence-of-how-social-risk-inhibits-purchase-intention
#2
Qian Shang, Guanxiong Pei, Jia Jin
Social risk refers to the potential disapproval from significant others (especially family or friends), and it is crucial in dissuading consumers from making decisions to purchase. The current study explored the neural process underlying how social risk influenced people's purchase intention. Event-related potentials (ERPs) were employed to investigate the electrophysiological process when subjects evaluated their purchase intention for products with social risk factors. The behavioral data showed that the social risk condition inhibited people's purchase intention compared to the control condition...
February 12, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28185615/clinical-study-of-neuroregen-scaffold-combined-with-human-mesenchymal-stem-cells-for-the-repair-of-chronic-complete-spinal-cord-injury
#3
Yannan Zhao, Fengwu Tang, Guang Han, Nuo Wang, Na Yin, Bing Chen, Xianfeng Jiang, Chen Yun, Wanjun Han, Changyu Zhao, Shixiang Cheng, Zhifeng Xiao, Sai Zhang, Jianwu Dai
Regeneration of damaged neurons and recovery of sensation and motor function after complete spinal cord injury (SCI) are challenging. We previously developed a collagen scaffold, NeuroRegen scaffold, to promote axonal growth along collagen fibers and inhibit glial scar formation after SCI. When functionalized with multiple biomolecules, this scaffold promoted neurological regeneration and functional recovery in animals with SCI. In this study, eight patients with chronic complete SCI were enrolled to examine the safety and efficacy of implanting NeuroRegen scaffold with human umbilical cord mesenchymal stem cells (MSCs)...
February 9, 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28175547/319%C3%A2-predictive-value-of-intraoperative-neurophysiological-monitoring-during-spine-surgery-a-prospective-analysis-of-4489-consecutive-patients
#4
Matthew Pease, Gurpreet Surinder Gandhoke, Jaspreet Kaur, Parthasarthy Thirumala, Jeffrey Balzer, Donald Crammond, David O Okonkwo, Adam S Kanter
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28169132/electroencephalographic-characteristics-of-status-epilepticus-after-cardiac-arrest
#5
Sofia Backman, Erik Westhall, Irina Dragancea, Hans Friberg, Malin Rundgren, Susann Ullén, Tobias Cronberg
OBJECTIVE: To describe the electrophysiological characteristics and pathophysiological significance of electrographic status epilepticus (ESE) after cardiac arrest and specifically compare patients with unequivocal ESE to patients with rhythmic or periodic borderline patterns defined as possible ESE. METHODS: Retrospective cohort study of consecutive patients treated with targeted temperature management and monitored with simplified continuous EEG. Patients with ESE were identified and electrographically characterised until 72h after ESE start using the standardised terminology of the American Clinical Neurophysiology Society...
January 21, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28164736/strength-of-20-hz-rebound-and-motor-recovery-after-stroke
#6
Eeva Parkkonen, Kristina Laaksonen, Harri Piitulainen, Johanna Pekkola, Lauri Parkkonen, Turgut Tatlisumak, Nina Forss
BACKGROUND: Stroke is a major cause of disability worldwide, and effective rehabilitation is crucial to regain skills for independent living. Recently, novel therapeutic approaches manipulating the excitatory-inhibitory balance of the motor cortex have been introduced to boost recovery after stroke. However, stroke-induced neurophysiological changes of the motor cortex may vary despite of similar clinical symptoms. Therefore, better understanding of excitability changes after stroke is essential when developing and targeting novel therapeutic approaches...
January 1, 2017: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/28164277/event-related-potential-measures-of-executive-functioning-from-preschool-to-adolescence
#7
REVIEW
Michelle Downes, Joe Bathelt, Michelle De Haan
Executive functions are a collection of cognitive abilities necessary for behavioural control and regulation, and are important for school success. Executive deficits are common across acquired and developmental disorders in childhood and beyond. This review aims to summarize how studies using event-related potential (ERP) can provide insight into mechanisms underpinning how executive functions develop in children from preschool to adolescence. We specifically focus on ERP components that are considered to be well-established markers of executive functioning, including the ability to resist distraction (inhibition, N200), hold scenes in mind (visuospatial working memory, contralateral delay activity), attend to specific stimuli (information processing, P300), follow rules (response monitoring, error-related negativity [ERN], and error-related positivity [Pe]), and adjust to feedback (outcome monitoring, feedback-related negativity)...
February 6, 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/28147418/electroencephalography-as-a-prognostic-tool-after-cardiac-arrest
#8
Erik Westhall
Multiple prognostic tools are used to evaluate prognosis for comatose survivors resuscitated after cardiac arrest (CA). Next to the clinical neurologic examination, electroencephalography (EEG) is the most commonly used method to assess prognosis. However, the reliability of EEG has been limited by varying classification systems, interrater variability, and the influence of sedation. Another important purpose of EEG is to evaluate clinical and subclinical seizures. The American Clinical Neurophysiology Society (ACNS) recently proposed a standardized EEG terminology for critically ill patients suitable for use after CA...
February 2017: Seminars in Neurology
https://www.readbyqxmd.com/read/28138779/outcome-of-l5-radiculopathy-after-reduction-and-instrumented-transforaminal-lumbar-interbody-fusion-of-high-grade-l5-s1-isthmic-spondylolisthesis-and-the-role-of-intraoperative-neurophysiological-monitoring
#9
Ralph T Schär, Martin Sutter, Anne F Mannion, Andreas Eggspühler, Dezsö Jeszenszky, Tamas F Fekete, Frank Kleinstück, Daniel Haschtmann
PURPOSE: To evaluate the incidence and course of iatrogenic L5 radiculopathy after reduction and instrumented fusion of high-grade L5-S1 isthmic spondylolisthesis and the role of intraoperative neurophysiological monitoring (IONM). METHODS: Consecutive patients treated for high-grade spondylolisthesis with IONM from 2005 to 2013 were screened for eligibility. Prospectively collected clinical and surgical data as well as radiographic outcomes were analyzed retrospectively...
January 31, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28130655/spinal-intradural-extramedullary-tumors-the-value-of-intraoperative-neurophysiologic-monitoring-on-surgical-outcome
#10
Ran Harel, David Schleifer, Shmuel Appel, Moshe Attia, Zvi R Cohen, Nachshon Knoller
Nerve sheath tumors and meningiomas account for most intradural extramedullary (IDEM) tumors. These tumors are benign and amenable to complete surgical resection. In recent years, these surgeries are performed with intraoperative neurophysiologic monitoring (IONM) in order to minimize neurological injury, but the evidence for the statistical efficacy of this utility is lacking. This paper evaluates IONM benefits in IDEM tumor resection. Data of patients treated surgically for spinal intradural tumors from 1998 to 2003 was previously collected and analyzed...
January 27, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28130191/the-norepinephrine-system-shows-information-content-specific-properties-during-cognitive-control-evidence-from-eeg-and-pupillary-responses
#11
Moritz Mückschel, Witold Chmielewski, Tjalf Ziemssen, Christian Beste
The ability to exert cognitive control is a major function of the prefrontal cortex, the efficiency of which depends on the phasic release of norepinephrine (NE) at particular time points. However, different aspects of information are simultaneously processed at any given moment. This raises the question of whether the norepinephrine system is also capable of specifically modulating selected aspects of all ongoing information processing, especially when several of those processes are carried out by the same functional neuroanatomical structure at the same time...
January 24, 2017: NeuroImage
https://www.readbyqxmd.com/read/28120082/intraoperative-neurophysiological-monitoring-in-spine-surgery-a-significant-tool-for-neuronal-protection-and-functional-restoration
#12
Antonino Scibilia, Giovanni Raffa, Vincenzo Rizzo, Angelo Quartarone, Massimiliano Visocchi, Antonino Germanò, Francesco Tomasello
Although there is recent evidence for the role of intraoperative neurophysiological monitoring (IONM) in spine surgery, there are no uniform opinions on the optimal combination of the different tools. At our institution, multimodal IONM (mIONM) approach in spine surgery involves the evaluation of somatosensory evoked potentials (SEPs) and motor evoked potentials (MEPs) with electrical transcranial stimulation, including the use of a multipulse technique with multiple myomeric registration of responses from limbs, and a single-pulse technique with D-wave registration through epi- and intradural recording, and free running and evoked electromyography (frEMG and eEMG) with bilateral recording from segmental target muscles...
2017: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/28120080/functional-magnetic-resonance-imaging-fmri-pre-intraoperative-tractography-in-neurosurgery-the-experience-of-sant-andrea-rome-university-hospital
#13
Giancarlo D'Andrea, Giuseppe Trillo', Veronica Picotti, Antonino Raco
BACKGROUND: The goal of neurosurgery for cerebral intraparenchymal neoplasms of the eloquent areas is maximal resection with the preservation of normal functions, and minimizing operative risk and postoperative morbidity. Currently, modern technological advances in neuroradiological tools, neuronavigation, and intraoperative magnetic resonance imaging (MRI) have produced great improvements in postoperative morbidity after the surgery of cerebral eloquent areas. The integration of preoperative functional MRI (fMRI), intraoperative MRI (volumetric and diffusion tensor imaging [DTI]), and neuronavigation, defined as "functional neuronavigation" has improved the intraoperative detection of the eloquent areas...
2017: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/28113241/m3ba-a-mobile-modular-multimodal-biosignal-acquisition-architecture-for-miniaturized-eeg-nirs-based-hybrid-bci-and-monitoring
#14
Alexander von Luhmann, Heidrun Wabnitz, Tilmann Sander, Klaus-Robert Muller
OBJECTIVE: For the further development of the fields of telemedicine, neurotechnology and Brain-Computer Interfaces (BCI), advances in hybrid multimodal signal acquisition and processing technology are invaluable. Currently, there are no commonly available hybrid devices combining bio-electrical and bio-optical neurophysiological measurements (here Electroencephalography (EEG) and functional Near Infrared Spectroscopy (fNIRS)). Our objective was the design of such an instrument, and that in a miniaturized, customizable and wireless form...
September 9, 2016: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28101476/psychometric-properties-of-the-persian-version-of-the-quality-of-life-in-epilepsy-inventory-in-the-later-life
#15
Abdolrahim Asadollahi, Laleh Fani Saberi, Ali Havasi, Mohammad-Hossein Kaveh
BACKGROUND AND PURPOSE: The reports indicate on the incidence of seizure disorder about 1.5 per cent of the normal elderly population. The Quality of Life in Epilepsy Inventory (QOLIE-31) has been pervasive simple tool to screen seizure in the busy neurophysiological settings and monitoring. It was constructed as self-administered tool in two formats, 89 and 31-items. To the reliability and validity of the QOLIE-31 across older adults in the southwest Iran and discuss its role in the detection of health-related quality of elderly patients with epilepsy...
December 2016: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/28099345/trigeminal-somatosensory-evoked-potential-a-neurophysiological-tool-to-monitor-the-extent-of-lesion-of-ganglion-radiofrequency-thermocoagulation-in-idiopathic-trigeminal-neuralgia-a-case-control-study
#16
Yan-Xing Zhao, Su-Hua Miao, Yuan-Zhang Tang, Liang-Liang He, Li-Qiang Yang, Yu Ma, Jia-Xiang Ni
To reflect the extent of thermolesion of ganglion by testing the change of trigeminal somatosensory-evoked potential (TSEP) before and after ganglion radiofrequency thermocoagulation surgery (GRT), and evaluate long-term clinic effect by follow-up visiting of 1 year.Patients with idiopathic trigeminal neuralgia (TN) in the second division were enrolled between October 2014 and October 2015. They were treated with computed tomography-guided GRT and a follow-up visiting of 1 year. Bilateral TSEP measurements were performed 1 day before and 2 days after the GRT surgery...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28099234/electrographic-seizures-in-children-and-neonates-undergoing-extracorporeal-membrane-oxygenation
#17
Jainn-Jim Lin, Brenda L Banwell, Robert A Berg, Dennis J Dlugos, Rebecca N Ichord, Todd J Kilbaugh, Roxanne E Kirsch, Matthew P Kirschen, Daniel J Licht, Shavonne L Massey, Maryam Y Naim, Natalie E Rintoul, Alexis A Topjian, Nicholas S Abend
OBJECTIVE: We aimed to determine the prevalence and risk factors for electrographic seizures in neonates and children requiring extracorporeal membrane oxygenation support. DESIGN: Prospective quality improvement project. SETTING: Quaternary care pediatric institution. PATIENTS: Consistent with American Clinical Neurophysiology Society electroencephalographic monitoring recommendations, neonates and children requiring extracorporeal membrane oxygenation support underwent clinically indicated electroencephalographic monitoring...
January 17, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28089759/using-pupil-size-and-heart-rate-to-infer-affective-states-during-behavioral-neurophysiology-and-neuropsychology-experiments
#18
Andrew R Mitz, Ravi V Chacko, Philip T Putnam, Peter H Rudebeck, Elisabeth A Murray
BACKGROUND: Nonhuman primates (NHPs) are a valuable research model because of their behavioral, physiological and neuroanatomical similarities to humans. In the absence of language, autonomic activity can provide crucial information about cognitive and affective states during single-unit recording, inactivation and lesion studies. Methods standardized for use in humans are not easily adapted to NHPs and detailed guidance has been lacking. NEW METHOD: We provide guidance for monitoring heart rate and pupil size in the behavioral neurophysiology setting by addressing the methodological issues, pitfalls and solutions for NHP studies...
January 13, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28089323/neurophysiological-monitoring-of-lumbar-spinal-nerve-roots-a-case-report-of-postoperative-deficit-and-literature-review
#19
Yuguang Chen, Baoqing P Wang, Junlin Yang, Yaolong Deng
INTRODUCTION: Intraoperative neurophysiological monitoring (IONM) has proven to help reduce the probability of postoperative neurological deficit for spinal deformity correctional surgeries. However, in rare cases new deficits may still happen. We report a surgical case in which the patient had postoperative paralysis. We would like to call for more case reports with postoperative neurological deficits as they present difficult clinical cases. PRESENTATION OF CASE: A 61-year-old male patient with severe thoracolumbar kyphoscoliosis underwent posterior spinal correction and fusion with segmental T10-L5 pedicle screws and rods instrumentation with IONM...
November 19, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28073879/superficial-temporal-artery-haemorrhage-caused-by-neurophysiological-monitoring-a-unique-mri-finding
#20
Geoffrey W Peitz, Wylan C Peterson, Shaheryar Hafeez, Ramesh Grandhi
No abstract text is available yet for this article.
January 10, 2017: BMJ Case Reports
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