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https://www.readbyqxmd.com/read/28531810/a-novel-scheme-for-the-validation-of-an-automated-classification-method-for-epileptic-spikes-by-comparison-with-multiple-observers
#1
Niraj K Sharma, Carlos Pedreira, Maria Centeno, Umair J Chaudhary, Tim Wehner, Lucas G S França, Tinonkorn Yadee, Teresa Murta, Marco Leite, Sjoerd B Vos, Sebastien Ourselin, Beate Diehl, Louis Lemieux
OBJECTIVE: To validate the application of an automated neuronal spike classification algorithm, Wave_clus (WC), on interictal epileptiform discharges (IED) obtained from human intracranial EEG (icEEG) data. METHOD: Five 10-min segments of icEEG recorded in 5 patients were used. WC and three expert EEG reviewers independently classified one hundred IED events into IED classes or non-IEDs. First, we determined whether WC-human agreement variability falls within inter-reviewer agreement variability by calculating the variation of information for each classifier pair and quantifying the overlap between all WC-reviewer and all reviewer-reviewer pairs...
May 4, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28510905/zoomed-mri-guided-by-combined-eeg-meg-source-analysis-a-multimodal-approach-for-optimizing-presurgical-epilepsy-work-up-and-its-application-in-a-multi-focal-epilepsy-patient-case-study
#2
Ü Aydin, S Rampp, A Wollbrink, H Kugel, J -H Cho, T R Knösche, C Grova, J Wellmer, C H Wolters
In recent years, the use of source analysis based on electroencephalography (EEG) and magnetoencephalography (MEG) has gained considerable attention in presurgical epilepsy diagnosis. However, in many cases the source analysis alone is not used to tailor surgery unless the findings are confirmed by lesions, such as, e.g., cortical malformations in MRI. For many patients, the histology of tissue resected from MRI negative epilepsy shows small lesions, which indicates the need for more sensitive MR sequences...
May 16, 2017: Brain Topography
https://www.readbyqxmd.com/read/28499856/measuring-soldier-performance-during-the-patrol-exertion-multitask-preliminary-validation-of-a-post-concussive-functional-return-to-duty-metric
#3
Matthew Scherer, Margaret M Weightman, Mary Vining Radomski, Laurel Smith, Marsha Finkelstein, Amy Cecchini, Kristin Jensen Heaton, Karen McCulloch
OBJECTIVE: To assess the discriminant validity of the Patrol-Exertion Multitask (PEMT), a novel, multi-domain, functional return-to-duty clinical assessment for Active Duty military personnel. DESIGN: Measurement development study SETTING: Non-clinical indoor testing facility, Fort Bragg NC PARTICIPANTS: 51 healthy control (HC) Service Members and 33 military personnel with persistent post-concussive symptoms receiving rehabilitation (mTBI) INTERVENTION: Not applicable MAIN OUTCOME MEASURES: Known-groups discriminant validity was evaluated by comparing performance on the PEMT in two groups of Active Duty SM, HC and personnel with mTBI residual symptoms...
May 9, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28462941/%C3%AE-adrenoceptor-blockade-in-the-basolateral-amygdala-but-not-the-medial-prefrontal-cortex-rescues-the-immediate-extinction-deficit
#4
Thomas F Giustino, Jocelyn R Seemann, Gillian M Acca, Travis D Goode, Paul J Fitzgerald, Stephen Maren
Early psychological interventions, such as exposure therapy, rely on extinction learning to reduce the development of stress- and trauma-related disorders. However, recent research suggests that extinction often fails to reduce fear when administered soon after trauma. This immediate extinction deficit (IED) may be due to stress-induced dysregulation of neural circuits involved in extinction learning. We have shown that systemic β-adrenoceptor blockade with propranolol rescues the IED, but impairs delayed extinction...
May 2, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28455849/coupling-i-125-permanent-implant-prostate-brachytherapy-monte-carlo-dose-calculations-with-radiobiological-models
#5
Nelson Miksys, Mehan Haidari, Eric Vigneault, Andre-Guy Martin, Luc Beaulieu, Rowan M Thomson
PURPOSE: To investigate the coupling of radiobiological models with patient-specific Monte Carlo (MC) dose calculations for permanent implant prostate brachytherapy (PIPB). To compare radiobiological indices evaluated with different radiobiological models using MC and simulated AAPM TG-43 dose calculations. METHODS: Three-dimensional dose distributions previously computed using MC techniques with two types of patient models, TG43sim (AAPM TG-43 water-based conditions) and MCDmm (realistic tissues and interseed effects), for 613 PIPB patients are coupled with biological dose and tumour control probability (TCP) models...
April 28, 2017: Medical Physics
https://www.readbyqxmd.com/read/28445839/temporal-lobe-spikes-eeg-fmri-contributions-to-the-mesial-vs-lateral-debate
#6
Satsuki Watanabe, François Dubeau, Natalja Zazubovits, Jean Gotman
OBJECTIVE: It has been reported that interictal epileptic discharges (IEDs) recorded in temporal regions on scalp EEG are unlikely to originate from mesial temporal structures. However, EEG-fMRI sometimes show mesial temporal activation. We hypothesized that BOLD activation in the temporal neocortex is weaker than in the mesial structures, reflecting the fact that propagated activity has less metabolic demand than the original discharge. METHODS: Twelve patients with epilepsy who have BOLD response in mesial temporal structures were selected from our EEG-fMRI database...
June 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28436628/-monitoring-time-of-interictal-epileptiform-discharges-by-long-term-video-eeg-in-patients-with-epilepsy
#7
Han Wu, Zhongjin Wang, Wenjie Ming, Shuang Wang, Meiping Ding
Objective: To optimize the monitoring time of interictal epileptiform discharges (IED) in patients with epilepsy by long-term video electroencephalogram (VEEG). Methods: The cumulative percentages of IED detected by VEEG in 346 epilepsy patients (349 times) with different purposes, different waking sleep states and different MRI findings were retrospectively analyzed. According to the purposes, there were 164 patients (165 times) for clarifying diagnosis, 124 patients (124 times) for preoperative evaluation and 58 patients (60 times) for adjustment of medications...
January 25, 2017: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
https://www.readbyqxmd.com/read/28359223/epileptic-discharge-related-functional-connectivity-within-and-between-networks-in-benign-epilepsy-with-centrotemporal-spikes
#8
Rong Li, Gong-Jun Ji, Yangyang Yu, Yang Yu, Mei-Ping Ding, Ye-Lei Tang, Huafu Chen, Wei Liao
Benign epilepsy with centrotemporal spikes (BECTS) is a common childhood epilepsy syndrome associated with abnormalities in neurocognitive domains, particularly during interictal epileptiform discharges (IEDs). Here, we investigated the effects of IEDs on brain's intrinsic connectivity networks in 43 BECTS patients and 28 matched healthy controls (HCs). Patients were further divided into IED and non-IED subgroups based on simultaneous EEG-fMRI recordings. Functional connectivity within and between five networks, corresponding to seizure origination and cognitive processes, were analyzed to measure IED effects...
January 10, 2017: International Journal of Neural Systems
https://www.readbyqxmd.com/read/28324677/intermittent-explosive-disorder-and-eating-disorders-analysis-of-national-comorbidity-and-research-samples
#9
Karen M Jennings, Jennifer E Wildes, Emil F Coccaro
OBJECTIVE: Clinical studies suggest comorbidity between eating disorders and aggressive behaviors. This study examined the pattern of comorbidity between intermittent explosive disorder (IED) and eating disorders (ED). METHODS: Data were analyzed from both the adult and adolescent samples of the National Comorbidity Survey-Replication (n = 19,430) and a clinical research sample (n = 1,642). RESULTS: Lifetime prevalence of Any ED was elevated in IED vs...
May 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28290945/frequency-of-improvised-explosive-devices-and-suicide-attempts-in-the-u-s-army
#10
Robert J Ursano, Ronald C Kessler, James A Naifeh, Holly Herberman Mash, Carol S Fullerton, Paul D Bliese, Gary H Wynn, Pablo A Aliaga, Christina Wryter, Nancy A Sampson, Tzu-Cheg Kao, Lisa J Colpe, Michael Schoenbaum, Kenneth L Cox, Steven G Heeringa, Murray B Stein
BACKGROUND: Improvised explosive devices (IEDs) were a prominent and initially new threat in the Iraq and Afghanistan war which raised concerns and anticipatory fear in and out of theater. This study examined the association of monthly IED rates with risk of soldier suicide attempt among those deployed and nondeployed. METHODS: Person-month records for all active duty Regular Army suicide attempters from 2004 through 2009 (n = 9,791) and an equal-probability sample of control person-months (n = 183,826) were identified...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28280883/inhibitory-control-and-response-monitoring-are-not-systematically-related-to-weekly-alcohol-consumption-in-the-general-population
#11
Ragnhild Bø, Nils Inge Landrø
BACKGROUND: In alcohol use disorder, deficits in cognitive control (i.e., inhibition and response monitoring) might underlie the loss of self-control and, thereby, failure to adjust alcohol consumption in response to associated negative consequences. According to the continuum hypothesis, the magnitude of these deficits should be related in a stair-case manner, with the greatest deficits among its heaviest consumers. The current study aims at investigating this association in the general population...
March 9, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28252880/intermittent-explosive-disorder-and-substance-use-disorder-analysis-of-the-national-comorbidity-survey-replication-sample
#12
Emil F Coccaro, Jennifer R Fanning, Royce Lee
OBJECTIVE: A relationship between aggression and substance use has been debated for many years. While substance use increases the risk of aggressive behavior, no studies have reported on the relationship between impulsive aggression and substance use/disorder, specifically. METHODS: We analyzed data from the community-based National Comorbidity Survey Replication (N = 9,282 subjects) in order to examine the relationship between current DSM-5 intermittent explosive disorder (IED), a disorder of impulsive aggression, and current substance use disorders (SUDs), overall, and with regard to alcohol, tobacco, and cannabis use disorders and nondisordered use...
February 28, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28230629/point-of-injury-tourniquet-application-during-operation-protective-edge-what-de-we-learn
#13
Amir Shlaifer, Avraham Yitzhak, Erez N Baruch, Avi Shina, Alexandra Satanovsky, Amiram Shovali, Ofer Almog, Elon Glassberg
BACKGROUND: Hemorrhage is a leading cause of preventable death on the battlefield. Timely tourniquet application to massively bleeding extremity wounds is critical for casualty survival albeit with reported adverse effects to extremity integrity. The aim of this study was to describe the immediate and short term outcomes of point of injury (POI) tourniquet applications during 'Operation Protective Edge' (OPE). METHODS: A case series study regarding tourniquet application at the POI during OPE was collected...
February 23, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28191653/generalized-hostile-interpretation-bias-regarding-facial-expressions-characteristic-of-pathological-aggressive-behavior
#14
Danique Smeijers, Mike Rinck, Erik Bulten, Thom van den Heuvel, Robbert-Jan Verkes
Individuals with aggression regulation disorders tend to attribute hostility to others in socially ambiguous situations. Previous research suggests that this "hostile attribution bias" is a powerful cause of aggression. Facial expressions form important cues in the appreciation of others' intentions. Furthermore, accurate processing of facial expressions is fundamental to normal socialization. However, research on interpretation biases in facial affect is limited. It is asserted that a hostile interpretation bias (HIB) is likely to be displayed by individuals with an antisocial (ASPD) and borderline personality disorder (BPD) and probably also with an intermittent explosive disorder (IED)...
February 12, 2017: Aggressive Behavior
https://www.readbyqxmd.com/read/28187907/a-correlation-analysis-of-metacarpal-phalangeal-injury-pattern-from-improvised-explosive-devices-amongst-armed-force-personnel
#15
R M T Staruch, G E Glass, A Johnson, J Hodson, S P Hettiaratchy, A R Kay, D Chester
Injuries to the hand during military combat operations, particularly from improvised explosive devices (IEDs) have a significant impact on form, function, mental health and future employment but remain underreported amidst the life and limb-threatening emergencies that garner more attention. An understanding the patterns of hand injuries encountered from IEDs is crucial to optimizing reconstruction and rehabilitation. The aim of this study was to re-evaluate hand injury sustained from IED in order to understand the clinical burden for reconstruction and direct the focus for future hand protection...
January 19, 2017: Injury
https://www.readbyqxmd.com/read/28166898/identification-of-the-emplacement-of-improvised-explosive-devices-by-experienced-mission-payload-operators
#16
Nathan J McNeese, Nancy J Cooke, Russell Branaghan, Ashley Knobloch, Amanda Taylor
Improvised Explosive Devices (IEDs) have become one of the deadliest threats to military personnel, resulting in over 50% of American combat casualties in Iraq and Afghanistan. Identification of IED emplacement is conducted by mission payload operators (MPOs). Yet, experienced MPOs are limited in number, making MPO training a critical intervention. In this article, we implement a Cognitive Engineering Based on Expert Skill methodology to better understand how experienced MPOs identify the emplacement of IEDs for the purposes of improving training...
April 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28147509/cooling-of-isolated-anthracene-cations-probed-with-photons-of-different-wavelengths-in-the-mini-ring
#17
M Ji, J Bernard, L Chen, R Brédy, C Ortéga, C Joblin, A Cassimi, S Martin
We report on a direct measurement of the Internal Energy Distribution (IED) shift rate of an initially hot polycyclic aromatic hydrocarbon (PAH) molecular ensemble, anthracene cations (C14H10(+)). The ions were produced in an electron cyclotron resonance (ECR) ion source and stored in an electrostatic ion storage ring, the Mini-Ring. Laser pulses of two wavelengths were sent successively to merge the stored ion bunch at different storage times to enhance the neutral fragment yield due to fast laser induced dissociation...
January 28, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28109984/the-long-term-course-of-temporal-lobe-epilepsy-from-unilateral-to-bilateral-interictal-epileptiform-discharges-in-repeated-video-eeg-monitorings
#18
Stephanie Gollwitzer, Catherine A Scott, Fiona Farrell, Gail S Bell, Jane de Tisi, Matthew C Walker, Tim Wehner, Josemir W Sander, Hajo M Hamer, Beate Diehl
INTRODUCTION: Bilateral interictal epileptiform discharges (IED) and ictal patterns are common in temporal lobe epilepsy (TLE) and have been associated with decreased chances of seizure freedom after epilepsy surgery. It is unclear whether secondary epileptogenesis, although demonstrated in experimental models, exists in humans and may account for progression of epilepsy. MATERIAL AND METHODS: We reviewed consecutive video-EEG recordings from 1992 to 2014 repeated at least two years apart (mean interval 6...
January 18, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28107996/the-stability-of-tnt-rdx-and-petn-in-simulated-post-explosion-soils-implications-of-sample-preparation-for-analysis
#19
H A Yu, D A DeTata, S W Lewis, N Nic Daeid
Explosives residues in soils may be a useful source of evidence following the detonation of an improvised explosive device (IED), such as a vehicle-borne IED. Soil samples collected from the vicinity of an explosion scene will often be stored for some time prior to analysis, yet explosives residues in soil samples are susceptible to rapid degradation or transformation. Although some research has assessed the use of different storage temperatures with a view to reducing explosives' degradation over time, further research examining the degradation of explosives in soil when stored under a variety of storage conditions is crucial to determine the optimal sample collection and storage procedures for soil containing explosives residues...
March 1, 2017: Talanta
https://www.readbyqxmd.com/read/28088746/development-of-a-screening-questionnaire-for-dsm-5-intermittent-explosive-disorder-ied-sq
#20
Emil F Coccaro, Mitchell E Berman, Michael S McCloskey
OBJECTIVE: This study was designed to develop and test a screening approach to identify individuals with DSM-5 Intermittent Explosive Disorder (IED), a disorder of recurrent, problematic, impulsive aggression. METHODS: A screening approach to diagnose DSM-5 IED (IED-SQ) was developed by combining items related to life history of aggression and items related to the DSM-5 diagnostic criteria for IED. In study 1, the IED-SQ was studied in 72 adult participants; 33 that met DSM-5 criteria for lifetime IED and 39 that did not...
December 22, 2016: Comprehensive Psychiatry
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