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Generalized EEG Waveform Abnormalities

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Comparison of different input modalities and network structures for deep learning-based seizure detection.

Kyung-Ok Cho, Hyun-Jong Jang,

The manual review of an electroencephalogram (EEG) for seizure detection is a laborious and error-prone process. Thus, automated seizure detection based on machine learning has been studied for decades. Recently, deep learning has been adopted in order to avoid manual feature extraction and selection. In the present study, we systematically ... Read more >>

Sci Rep (Scientific reports)
[2020, 10(1):122]

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Extracorporeal carbon dioxide removal in heart-beating donor with acute severe asthma: A case report.

Silvia De Rosa, Gianlorenzo Golino, Claudio Ronco,

Status asthmaticus is a life-threatening disorder that can manifest in dangerous levels of hypercapnia and acidosis. The use of extracorporeal carbon dioxide removal (ECCO2R) has been used successfully to control pH and PaCO2 in patients with acute severe asthma. The present report describes the use of this technology in near-fatal ... Read more >>

Respir Med Case Rep (Respiratory medicine case reports)
[2020, 29:101010]

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Electroencephalogram studies of hypoxic ischemia in fetal and neonatal animal models.

Hamid Abbasi, Charles P Unsworth,

Alongside clinical achievements, experiments conducted on animal models (including primate or non-primate) have been effective in the understanding of various pathophysiological aspects of perinatal hypoxic/ischemic encephalopathy (HIE). Due to the reasonably fair degree of flexibility with experiments, most of the research around HIE in the literature has been largely concerned ... Read more >>

Neural Regen Res (Neural regeneration research)
[2020, 15(5):828-837]

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Sensory Neuromodulation.

Robert D Black, Lesco L Rogers,

We describe a model of neurological disease based on dysfunctional brain oscillators. This is not a new model, but it is not one that is widely appreciated by clinicians. The value of this model lies in the predictions it makes and the utility it provides in translational applications, in particular ... Read more >>

Front Syst Neurosci (Frontiers in systems neuroscience)
[2020, 14:12]

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Pathogenetical and Neurophysiological Features of Patients with Autism Spectrum Disorder: Phenomena and Diagnoses.

Yunho Jin, Jeonghyun Choi, Seunghoon Lee, Jong Won Kim, Yonggeun Hong,

Autism spectrum disorder (ASD) is a neurodevelopmental disorder that is accompanied by social deficits, repetitive and restricted interests, and altered brain development. The majority of ASD patients suffer not only from ASD itself but also from its neuropsychiatric comorbidities. Alterations in brain structure, synaptic development, and misregulation of neuroinflammation are ... Read more >>

J Clin Med (Journal of clinical medicine)
[2019, 8(10):]

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Essential Noninvasive Multimodality Neuromonitoring for the Critically Ill Patient.

Frank A Rasulo, Tommaso Togni, Stefano Romagnoli,

This article is one of ten reviews selected from the Annual Update in Intensive Care and Emergency Medicine 2020. Other selected articles can be found online at https://www.biomedcentral.com/collections/annualupdate2020. Further information about the Annual Update in Intensive Care and Emergency Medicine is available from http://www.springer.com/series/8901. ... Read more >>

Crit Care (Critical care (London, England))
[2020, 24(1):100]

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Deletion of PLCγ1 in GABAergic neurons increases seizure susceptibility in aged mice.

Hye Yun Kim, Yong Ryoul Yang, Hongik Hwang, Ha-Eun Lee, Hyun-Jun Jang, Jeongyeon Kim, Esther Yang, Hyun Kim, Hyewhon Rhim, Pann-Ghill Suh, Jae-Ick Kim,

Synaptic inhibition plays a fundamental role in the information processing of neural circuits. It sculpts excitatory signals and prevents hyperexcitability of neurons. Owing to these essential functions, dysregulated synaptic inhibition causes a plethora of neurological disorders, including epilepsy, autism, and schizophrenia. Among these disorders, epilepsy is associated with abnormal hyperexcitability ... Read more >>

Sci Rep (Scientific reports)
[2019, 9(1):17761]

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Electrophysiological responses to images ranging in motivational salience: Attentional abnormalities associated with schizophrenia-spectrum disorder risk.

Elizabeth A Martin, Lilian Yanqing Li, Mayan K Castro,

Individuals at risk for schizophrenia-spectrum disorders display abnormalities related to motivational salience, or the ability of stimuli to elicit attention due to associations with rewards or punishments. However, the nature of these abnormalities is unclear because most focus on responses to stimuli from broad "pleasant" and "unpleasant" categories and ignore ... Read more >>

Sci Rep (Scientific reports)
[2020, 10(1):4578]

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Imaging epilepsy in larval zebrafish.

D R W Burrows, É Samarut, J Liu, S C Baraban, M P Richardson, M P Meyer, R E Rosch,

Our understanding of the genetic aetiology of paediatric epilepsies has grown substantially over the last decade. However, in order to translate improved diagnostics to personalised treatments, there is an urgent need to link molecular pathophysiology in epilepsy to whole-brain dynamics in seizures. Zebrafish have emerged as a promising new animal ... Read more >>

Eur. J. Paediatr. Neurol. (European journal of paediatric neurology : EJPN : official journal of the European Paediatric Neurology Society)
[2020, 24:70-80]

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Tailor-Made Surgery Based on Functional Networks for Intractable Epilepsy.

Kyousuke Kamada, Christoph Kapeller, Fumiya Takeuchi, Johannes Gruenwald, Christoph Guger,

Normal and pathological networks related to seizure propagation have got attention to elucide complex seizure semiology and contribute to diagnosis and surgical monitoring in epilepsy treatment. Since focal and generalized epileptogenic syndromes abnormalities might involve multiple foci and large-scale networks, we applied electrophysiolpgy (cortco-cortico evoked potential; CCEP), and tractography to ... Read more >>

Front Neurol (Frontiers in neurology)
[2020, 11:73]

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A new mouse model of GLUT1 deficiency syndrome exhibits abnormal sleep-wake patterns and alterations of glucose kinetics in the brain.

Tamio Furuse, Hiroshi Mizuma, Yuuki Hirose, Tomoko Kushida, Ikuko Yamada, Ikuo Miura, Hiroshi Masuya, Hiromasa Funato, Masashi Yanagisawa, Hirotaka Onoe, Shigeharu Wakana,

Dysfunction of glucose transporter 1 (GLUT1) proteins causes infantile epilepsy, which is designated as a GLUT1 deficiency syndrome (GLUT1DS; OMIM #606777). Patients with GLUT1DS display varied clinical phenotypes, such as infantile seizures, ataxia, severe mental retardation with learning disabilities, delayed development, hypoglycorrhachia, and other varied symptoms. Glut1Rgsc200 mutant mice mutagenized ... Read more >>

Dis Model Mech (Disease models & mechanisms)
[2019, 12(9):]

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Mild chronic perturbation of inhibition severely alters hippocampal function.

Min-Yu Sun, Luke Ziolkowski, Peter Lambert, Hong-Jin Shu, Micah Keiser, Nicholas Rensing, Natasha Warikoo, Monika Martinek, Carson Platnick, Ann Benz, John Bracamontes, Gustav Akk, Joe Henry Steinbach, Charles F Zorumski, Michael Wong, Steven Mennerick,

Pentameric GABAA receptors mediate a large share of CNS inhibition. The γ2 subunit is a typical constituent. At least 11 mutations in the γ2 subunit cause human epilepsies, making the role of γ2-containing receptors in brain function of keen basic and translational interest. How small changes to inhibition may cause ... Read more >>

Sci Rep (Scientific reports)
[2019, 9(1):16431]

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Cerebral venous congestion correlates to acute aneurysm rupture: An illustrative case with Doppler ultrasonography study.

Virginia Annese, Claudia Frau, Noemi Murdeu, Massimo Gregorio, Sandro Sanguigni,

Background:The objective of our description is to shed light on some new hemodynamic and clinical characteristics in the unstable cerebral aneurysm Case: We describe a 54 year old woman who presented a tension headache, that increasing for several days. A CT scan performed in ER suggests a possible arterial ectasia ... Read more >>

eNeurologicalSci (eNeurologicalSci)
[2020, 19:100231]

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Extent of Single-Neuron Activity Modulation by Hippocampal Interictal Discharges Predicts Declarative Memory Disruption in Humans.

Chrystal M Reed, Clayton P Mosher, Nand Chandravadia, Jeffrey M Chung, Adam N Mamelak, Ueli Rutishauser,

Memory deficits are common in epilepsy patients. In these patients, the interictal EEG commonly shows interictal epileptiform discharges (IEDs). While IEDs are associated with transient cognitive impairments, it remains poorly understood why this is. We investigated the effects of human (male and female) hippocampal IEDs on single-neuron activity during a ... Read more >>

J. Neurosci. (The Journal of neuroscience : the official journal of the Society for Neuroscience)
[2020, 40(3):682-693]

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Using questionnaires and task-related EEG signals to reveal hindered reappraisal and biased suppression in individuals with high schizotypal traits.

Dong-Ni Pan, Delhii Hoid, Zhen-Hao Wang, Yi Wang, Xuebing Li,

Although impaired ability to regulate emotion is commonly reported in schizophrenic patients, the exact pattern of regulation of negative emotions in high-risk individuals remains unclear. In the current study, 26 high-schizotypy individuals paired with 26 controls completed an emotion regulation questionnaire (ERQ) and a laboratory emotion regulation task with electroencephalogram ... Read more >>

Sci Rep (Scientific reports)
[2020, 10(1):5529]

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Altered directed functional connectivity of the right amygdala in depression: high-density EEG study.

Alena Damborská, Eliška Honzírková, Richard Barteček, Jana Hořínková, Sylvie Fedorová, Šimon Ondruš, Christoph M Michel, Maria Rubega,

The cortico-striatal-pallidal-thalamic and limbic circuits are suggested to play a crucial role in the pathophysiology of depression. Stimulation of deep brain targets might improve symptoms in treatment-resistant depression. However, a better understanding of connectivity properties of deep brain structures potentially implicated in deep brain stimulation (DBS) treatment is needed. Using ... Read more >>

Sci Rep (Scientific reports)
[2020, 10(1):4398]

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Cardiac dysregulation following intrahippocampal kainate-induced status epilepticus.

Amber T Levine, Heather A Born, Andrew P Landstrom, Samuel Larson, Wai Ling Lee, An T Dao, Xander H Wehrens, Yi-Chen Lai, Anne E Anderson,

Status epilepticus (SE) is a prevalent disorder associated with significant morbidity, including the development of epilepsy and mortality. Cardiac arrhythmias (i.e. inappropriate sinus tachycardia and bradycardia, asystole, and atrioventricular blocks) are observed in patients following SE. We characterized ictal (during a seizure) and interictal (between seizure) cardiac arrhythmogenesis following SE ... Read more >>

Sci Rep (Scientific reports)
[2020, 10(1):4043]

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Kv1.1 channel subunits in the control of neurocardiac function.

Edward Glasscock,

Voltage-gated Kv1.1 potassium channel α-subunits are broadly expressed in the nervous system where they act as critical regulators of neuronal excitability. Mutations in the KCNA1 gene, which encodes Kv1.1, are associated with the neurological diseases episodic ataxia and epilepsy. Studies in mouse models have shown that Kv1.1 is important for ... Read more >>

Channels (Austin) (Channels (Austin, Tex.))
[2019, 13(1):299-307]

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Distributed source analysis of magnetoencephalography using a volume head model combined with statistical methods improves focus diagnosis in epilepsy surgery.

Tomotaka Ishizaki, Satoshi Maesawa, Daisuke Nakatsubo, Hiroyuki Yamamoto, Sou Takai, Masashi Shibata, Sachiko Kato, Jun Natsume, Minoru Hoshiyama, Toshihiko Wakabayashi,

Deep-seated epileptic focus estimation using magnetoencephalography is challenging because of its low signal-to-noise ratio and the ambiguity of current sources estimated by interictal epileptiform discharge (IED). We developed a distributed source (DS) analysis method using a volume head model as the source space of the forward model and standardized low-resolution ... Read more >>

Sci Rep (Scientific reports)
[2020, 10(1):5263]

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Approaches to Multimodality Monitoring in Pediatric Traumatic Brain Injury.

Brian Appavu, Brian T Burrows, Stephen Foldes, P David Adelson,

Traumatic brain injury (TBI) is a leading cause of morbidity and mortality in children. Improved methods of monitoring real-time cerebral physiology are needed to better understand when secondary brain injury develops and what treatment strategies may alleviate or prevent such injury. In this review, we discuss emerging technologies that exist ... Read more >>

Front Neurol (Frontiers in neurology)
[2019, 10:1261]

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Neuroprotective effect of microglia against impairments of auditory steady-state response induced by anti-P IgG from SLE patients in naïve mice.

Xuejiao Wang, Yingzhuo Li, Zijie Li, Jinhong Li, Jingyi Xu, Pingting Yang, Ling Qin,

OBJECTIVE:Autoantibodies against ribosomal P proteins (anti-P antibodies) are strongly associated with the neuropsychiatric manifestations of systemic lupus erythematosus (NPSLE). The present study was designed to assess whether anti-P antibodies can induce abnormal brain electrical activities in mice and investigate the potential cytopathological mechanism. METHODS:Affinity-purified human anti-ribosomal P antibodies were injected ... Read more >>

J Neuroinflammation (Journal of neuroinflammation)
[2020, 17(1):31]

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Female versus male migraine: an event-related potential study of visual neurocognitive processing.

Yunliang Guo, Song Xu, Shanjing Nie, Mimi Han, Yue Zhang, Jian Chen, Xunyao Hou, Yan Hong, Xueping Liu,

BACKGROUND:Several studies have suggested cognitive deficits in migraineurs, and sex differences have also been observed in migraine, such as a higher prevalence in females. Nevertheless, little is known about gender-related differences in cognitive processing. In this study, we aimed to investigate the effect of gender on neurocognitive processing in migraineurs. ... Read more >>

J Headache Pain (The journal of headache and pain)
[2019, 20(1):38]

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The impact of attack frequency and duration on neurocognitive processing in migraine sufferers: evidence from event-related potentials using a modified oddball paradigm.

Yunliang Guo, Qiang Tian, Song Xu, Mimi Han, Yue Sun, Yan Hong, Xunyao Hou, Xueping Liu,

BACKGROUND:Several studies have suggested that migraineurs suffer from neurocognitive abnormalities, but this phenomenon and exact mechanisms remain controversial. In this study, we aimed to reevaluate visual spatial attention via event-related potential (ERP) examinations and explore further correlations between ERP data and migraine characteristics. METHODS:Altogether, 25 migraine patients (9 males, 16 ... Read more >>

BMC Neurol (BMC neurology)
[2019, 19(1):73]

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Conversion Disorder (Functional Neurological Symptom Disorder) Masquerading as Multiple Sclerosis: A Case Report.

Derman Ozdemir, Sonu Sahni,

Conversion disorder, also referred to as functional neurological symptom disorder, is a DSM-5 identified somatic disorder that presents with one or more neurological symptoms that does not clinically correlate with recognized neurological or medical conditions brought on by intense stress, emotions, or an associated psychiatric disorder. Multiple sclerosis (MS) is ... Read more >>

Cureus (Cureus)
[2019, 11(6):e4893]

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Clinical, Etiological and Imaging Profile of Posterior Reversible Encephalopathy Syndrome: A Prospective and Follow-Up Study.

Saurabh Bansal, Ramandeep Bansal, Manoj Kumar Goyal, Aastha Takkar, Ramandeep Singh, Paramjeet Singh, Vivek Lal,

Background:Although first described more than two decades ago, posterior reversible encephalopathy syndrome (PRES) continues to be enigmatic. We prospectively followed consecutive patients of PRES both clinically and radiologically for a better understanding of natural history, symptomatology, and prognosis of this not so uncommon entity. Patients and Methods:The current study included ... Read more >>

Ann Indian Acad Neurol (Annals of Indian Academy of Neurology)
[2020, 23(2):182-188]

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