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https://www.readbyqxmd.com/read/29344469/successful-use-of-therapeutic-hypothermia-for-refractory-nonconvulsive-status-epilepticus
#1
Do-Hyung Kim, Hye-Hoon Kang, Minjung Kim, Tae-Won Yang, Oh-Young Kwon, Jung Sook Yeom, Bong Su Kang, Yong Hwan Kim, Young-Soo Kim
Therapeutic hypothermia (TH) has rarely been utilized as an adjunct to anticonvulsants in treating patients with refractory convulsive status epilepticus (CSE). However, determining the effectiveness of TH in CSE is difficult due to the unavoidable use of sedative drugs to manage hypothermia. Additionally, the effectiveness of TH has not been studied in patients with refractory non-convulsive status epilepticus (NCSE). Here, we report the successful use of TH without additional sedative drugs in a patient with temporal lobe epilepsy and refractory NCSE...
December 2017: Journal of Epilepsy Research
https://www.readbyqxmd.com/read/29341513/investment-in-epilepsy-monitoring-units-improves-epilepsy-care-experience-in-a-regional-neuroscience-centre
#2
R N McGinty, D J Costello, B McNamara, P Kinirons, B J Sweeney
An evaluation of the clinical yield of inpatient long-term video-EEG (vEEG) in a new epilepsy monitoring unit (EMU) was undertaken, with findings compared to the centre's prior method of bedside vEEG recording in a standard neurology ward, as reported in 2004. A retrospective analysis of neurophysiology reports for all adults who underwent elective vEEG monitoring in the EMU at Cork University Hospital between January 2015 and July 2016 was conducted. Of 115 vEEG studies in the EMU, 100 (87.0%) were deemed diagnostically conclusive, 14 (12...
August 8, 2017: Irish Medical Journal
https://www.readbyqxmd.com/read/29341203/food-specific-inhibitory-control-under-negative-mood-in-binge-eating-disorder-evidence-from-a-multimethod-approach
#3
Elisabeth J Leehr, Kathrin Schag, Thomas Dresler, Moritz Grosse-Wentrup, Martin Hautzinger, Andreas J Fallgatter, Stephan Zipfel, Katrin E Giel, Ann-Christine Ehlis
OBJECTIVE: Inhibitory control has been discussed as a developmental and maintenance factor in binge-eating disorder (BED). The current study is the first aimed at investigating inhibitory control in a negative mood condition on a psychophysiological and behavioral level in BED with a combination of electroencephalography (EEG) and eye tracking (ET). METHOD: We conducted a combined EEG and ET study with overweight individuals with BED (BED+, n = 24, mean age = 31, mean BMI = 35 kg/m2 ) and without BED (BED-, n = 23, mean age = 28, mean BMI = 35 kg/m2 ) and a normal-weight (NWC, n = 26, mean age 28, mean BMI = 22 kg/m2 ) control group...
January 17, 2018: International Journal of Eating Disorders
https://www.readbyqxmd.com/read/29336768/is-routine-continuous-eeg-for-traumatic-brain-injury-beneficial
#4
Lia Aquino, Christopher Y Kang, Megan Y Harada, Ara Ko, Amy Do-Nguyen, Eric J Ley, Daniel R Margulies, Rodrigo F Alban
Severe traumatic brain injury (TBI) is associated with increased risk for early clinical and subclinical seizures. The use of continuous electroencephalography (cEEG) monitoring after TBI allows for identification and treatment of seizures that may otherwise occur undetected. Benefits of "routine" cEEG after TBI remain controversial. We examined the rate of subclinical seizures identified by cEEG in TBI patients admitted to a Level I trauma center. We analyzed a cohort of trauma patients with moderate to severe TBI (head Abbreviated Injury Score ≥3) who received cEEG within seven days of admission between October 2011 and May 2015...
December 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/29330327/signal-complexity-of-human-intracranial-eeg-tracks-successful-associative-memory-formation-across-individuals
#5
Timothy C Sheehan, Vishnu Sreekumar, Sara K Inati, Kareem A Zaghloul
Memory performance is highly variable between individuals. Most studies examining human memory, however, have largely focused on the neural correlates of successful memory formation within individuals, rather than the differences between them. As such, what gives rise to this variability is poorly understood. Here, we examined intracranial EEG (iEEG) recordings captured from 43 participants (23 male) implanted with subdural electrodes for seizure monitoring as they performed a paired-associates verbal memory task...
January 12, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29329250/blood-flow-and-continuous-eeg-changes-during-symptomatic-plateau-waves
#6
Natalie Kreitzer, Maggie Huynh, Brandon Foreman
Benign meningiomas uncommonly lead to significant cerebral edema, with only a few cases previously reported in the medical literature. The present study describes the case of a 49-year-old female who had a meningioma resection. She subsequently developed malignant cerebral edema and had episodes that were initially concerning for seizure activity. However, transient blood flow changes concerning for intracranial pressure (ICP) crises, were demonstrated on electroencephalogram (EEG) as well as noninvasive cerebral blood flow monitoring...
January 12, 2018: Brain Sciences
https://www.readbyqxmd.com/read/29328980/consequence-of-intraventricular-hemorrhage-on-neurovascular-coupling-evoked-by-speech-syllables-in-preterm-neonates
#7
Mahdi Mahmoudzadeh, Ghislaine Dehaene-Lambertz, Guy Kongolo, Marc Fournier, Sabrina Goudjil, Fabrice Wallois
Intraventricular Hemorrhage (IVH) is the leading cause of neurological and cognitive impairment in preterm neonates with an incidence that increases with increasing prematurity. In the present study, we tested how preterm neonates with IVH react to external stimulation (i.e. speech syllables). We compared their neural responses measured by electroencephalography (EEG), and hemodynamic responses measured by functional near-infrared spectroscopy (fNIRS), with those of healthy preterms. A neural response to syllables was observed in these infants, but did not induce a vascular response in contrast with healthy neonates...
January 5, 2018: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/29327652/acquisition-of-a-mental-strategy-to-control-a-virtual-tail-via-brain-computer-interface
#8
Ayaka Fujisawa, Shoko Kasuga, Takaharu Suzuki, Junichi Ushiba
The objective of the present study was to clarify the variation in and properties of mental images and policies used to regulate specific image selection when learning to control a brain-computer interface. Healthy volunteers performed a reaching task with a virtually generated monkey tail-like object on a computer monitor by regulating event-related desynchronization (ERD) on the buttock area of the sensorimotor cortex as recorded by electroencephalogram (EEG). Participants were instructed to find a free image by which the tail was well controlled...
January 12, 2018: Cognitive Neuroscience
https://www.readbyqxmd.com/read/29324406/a-novel-multi-class-eeg-based-sleep-stage-classification-system
#9
Pejman Memar, Farhad Faradji
Sleep stage classification is one of the most critical steps in effective diagnosis and the treatment of sleep-related disorders. Visual inspection undertaken by sleep experts is a time-consuming and burdensome task. A computer-assisted sleep stage classification system is thus essential for both sleep-related disorders diagnosis and sleep monitoring. In this paper, we propose a system to classify the wake and sleep stages with high rates of sensitivity and specificity. The EEG signals of 25 subjects with suspected sleep-disordered breathing, and the EEG signals of 20 healthy subjects from three data sets are used...
January 2018: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/29324072/alpha-oscillations-during-incidental-encoding-predict-subsequent-memory-for-new-foil-information
#10
David A Vogelsang, Matthias Gruber, Zara M Bergström, Charan Ranganath, Jon S Simons
People can employ adaptive strategies to increase the likelihood that previously encoded information will be successfully retrieved. One such strategy is to constrain retrieval toward relevant information by reimplementing the neurocognitive processes that were engaged during encoding. Using EEG, we examined the temporal dynamics with which constraining retrieval toward semantic versus nonsemantic information affects the processing of new "foil" information encountered during a memory test. Time-frequency analysis of EEG data acquired during an initial study phase revealed that semantic compared with nonsemantic processing was associated with alpha decreases in a left frontal electrode cluster from around 600 msec after stimulus onset...
January 11, 2018: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/29310966/improving-the-anesthetic-process-by-a-fuzzy-rule-based-medical-decision-system
#11
Juan Albino Mendez, Ana Leon, Ayoze Marrero, Jose M Gonzalez-Cava, Jose Antonio Reboso, Jose Ignacio Estevez, José F Gomez-Gonzalez
OBJECTIVE: The main objective of this research is the design and implementation of a new fuzzy logic tool for automatic drug delivery in patients undergoing general anesthesia. The aim is to adjust the drug dose to the real patient needs using heuristic knowledge provided by clinicians. A two-level computer decision system is proposed. The idea is to release the clinician from routine tasks so that he can focus on other variables of the patient. METHODS: The controller uses the Bispectral Index (BIS) to assess the hypnotic state of the patient...
January 5, 2018: Artificial Intelligence in Medicine
https://www.readbyqxmd.com/read/29306774/the-cortisol-awakening-response-predicts-response-inhibition-in-the-afternoon-of-the-same-day
#12
Xia Shi, Xiaofang Sun, Zhuxi Yao, Yiran Yuan, Jianhui Wu, Angela Clow
The cortisol awakening response (CAR) is the rapid increase of cortisol levels 30-45 min after awakening in the morning. Numerous studies have indicated the relationship between the CAR and cognition. However, little is known about daily variation in the CAR and cognitive function in healthy adults. The aim of the present study was to investigate whether the CAR predicted the response inhibition function on the same day in both behaviour and the dynamic time course of brain processing. The saliva samples of 47 healthy men were collected at three time points: immediately on awakening, 30 min and 45 min post-awakening in the morning...
December 21, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29305441/automated-real-time-detection-of-tonic-clonic-seizures-using-a-wearable-emg-device
#13
Sándor Beniczky, Isa Conradsen, Oliver Henning, Martin Fabricius, Peter Wolf
OBJECTIVE: To determine the accuracy of automated detection of generalized tonic-clonic seizures (GTCS) using a wearable surface EMG device. METHODS: We prospectively tested the technical performance and diagnostic accuracy of real-time seizure detection using a wearable surface EMG device. The seizure detection algorithm and the cutoff values were prespecified. A total of 71 patients, referred to long-term video-EEG monitoring, on suspicion of GTCS, were recruited in 3 centers...
January 5, 2018: Neurology
https://www.readbyqxmd.com/read/29300715/intraoperative-somatosensory-evoked-potential-monitoring-decreases-eeg-burst-suppression-ratio-during-deep-general-anesthesia-erratum
#14
(no author information available yet)
No abstract text is available yet for this article.
January 2018: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/29298279/severe-chronic-lithium-intoxication-in-patient-treated-for-bipolar-disorder
#15
Ivana Stetkarova, Vaclav Bocek, Alsu Gismatullina, Zuzana Svobodova, Tomas Peisker
OBJECTIVE: Lithium has been long used in psychiatry as an adjuvant treatment for bipolar disorder. Chronic lithium intoxication is very rare. DESIGN: We present the case of a 72-year-old female, treated with lithium for more than 10 years for bipolar disorder, who was admitted for gait impairment with weakness of limbs, myoclonus, speech impairment and memory disturbances. RESULTS: Diagnosis of lithium intoxication was based on clinical picture and determination of serum lithium levels...
December 4, 2017: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/29295522/comparison-between-scalp-eeg-and-behind-the-ear-eeg-for-development-of-a-wearable-seizure-detection-system-for-patients-with-focal-epilepsy
#16
Ying Gu, Evy Cleeren, Jonathan Dan, Kasper Claes, Wim Van Paesschen, Sabine Van Huffel, Borbála Hunyadi
A wearable electroencephalogram (EEG) device for continuous monitoring of patients suffering from epilepsy would provide valuable information for the management of the disease. Currently no EEG setup is small and unobtrusive enough to be used in daily life. Recording behind the ear could prove to be a solution to a wearable EEG setup. This article examines the feasibility of recording epileptic EEG from behind the ear. It is achieved by comparison with scalp EEG recordings. Traditional scalp EEG and behind-the-ear EEG were simultaneously acquired from 12 patients with temporal, parietal, or occipital lobe epilepsy...
December 23, 2017: Sensors
https://www.readbyqxmd.com/read/29288902/diagnostic-evaluation-and-surgical-management-of-pediatric-insular-epilepsy-utilizing-magnetoencephalography-and-invasive-eeg-monitoring
#17
Raheel Ahmed, Hiroshi Otsubo, Carter Snead, Elizabeth Donner, Elysa Widjaja, Ayako Ochi, James M Drake, James T Rutka
INTRODUCTION: The diagnosis and surgical management of pediatric patients with insular epilepsy is challenging due to variable and indistinct seizure semiology arising within the insular cortex. In addition, surgical approaches are associated with potential morbidity given the regional neurosurgical and vascular anatomy. Our institutional experience in evaluation and surgical management of insular epilepsy patients is presented. Diagnostic evaluation, surgical treatment and seizures outcomes are highlighted...
December 20, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/29283290/real-time-quantitative-monitoring-of-cerebral-blood-flow-by-laser-speckle-contrast-imaging-after-cardiac-arrest-with-targeted-temperature-management
#18
Junyun He, Hongyang Lu, Leanne Young, Ruoxian Deng, Daniel Callow, Shanbao Tong, Xiaofeng Jia
Brain injury is the main cause of mortality and morbidity after cardiac arrest (CA). Changes in cerebral blood flow (CBF) after reperfusion are associated with brain injury and recovery. To characterize the relative CBF (rCBF) after CA, 14 rats underwent 7 min asphyxia-CA and were randomly treated with 6 h post-resuscitation normothermic (36.5-37.5℃) or hypothermic- (3-234℃) targeted temperature management (TTM) (N = 7). rCBF was monitored by a laser speckle contrast imaging (LSCI) technique. Brain recovery was evaluated by neurologic deficit score (NDS) and quantitative EEG - information quantity (qEEG-IQ)...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/29276490/dual-frequency-head-maps-a-new-method-for-indexing-mental-workload-continuously-during-execution-of-cognitive-tasks
#19
Thea Radüntz
One goal of advanced information and communication technology is to simplify work. However, there is growing consensus regarding the negative consequences of inappropriate workload on employee's health and the safety of persons. In order to develop a method for continuous mental workload monitoring, we implemented a task battery consisting of cognitive tasks with diverse levels of complexity and difficulty. We conducted experiments and registered the electroencephalogram (EEG), performance data, and the NASA-TLX questionnaire from 54 people...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29275005/behavioral-and-electrophysiological-signatures-of-word-translation-processes
#20
Lea B Jost, Narges Radman, Karin A Buetler, Jean-Marie Annoni
Translation is a demanding process during which a message is analyzed, translated and communicated from one language to another. Despite numerous studies on translation mechanisms, the electrophysiological processes underlying translation with overt production remain largely unexplored. Here, we investigated how behavioral response patterns and spatial-temporal brain dynamics differ in a translation compared to a control within-language word-generation task. We also investigated how forward and backward translation differs on the behavioral and electrophysiological level...
December 21, 2017: Neuropsychologia
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