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https://www.readbyqxmd.com/read/28061379/assessment-of-the-non-gaussianity-and-non-linearity-levels-of-simulated-semg-signals-on-stationary-segments
#1
Noureddine Messaoudi, Raïs El'hadi Bekka, Philippe Ravier, Rachid Harba
The purpose of this paper was to evaluate the effects of the longitudinal single differential (LSD), the longitudinal double differential (LDD) and the normal double differential (NDD) spatial filters, the electrode shape, the inter-electrode distance (IED) on non-Gaussianity and non-linearity levels of simulated surface EMG (sEMG) signals when the maximum voluntary contraction (MVC) varied from 10% to 100% by a step of 10%. The effects of recruitment range thresholds (RR), the firing rate (FR) strategy and the peak firing rate (PFR) of motor units were also considered...
December 25, 2016: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/28053558/high-fidelity-medical-simulation-training-improves-medical-students-knowledge-and-confidence-levels-in-septic-shock-resuscitation
#2
Veerapong Vattanavanit, Jarernporn Kawla-Ied, Rungsun Bhurayanontachai
BACKGROUND: Septic shock resuscitation bundles have poor compliance worldwide partly due to a lack of knowledge and clinical skills. High-fidelity simulation-based training is a new teaching technology in our faculty which may improve the performance of medical students in the resuscitation process. However, since the efficacy of this training method in our institute is limited, we organized an extra class for this evaluation. PURPOSE: The aim was to evaluate the effect on medical students' knowledge and confidence levels after the high-fidelity medical simulation training in septic shock management...
2017: Open Access Emergency Medicine: OAEM
https://www.readbyqxmd.com/read/28012305/social-emotional-information-processing-in-adults-development-and-psychometrics-of-a-computerized-video-assessment-in-healthy-controls-and-aggressive-individuals
#3
Emil F Coccaro, Jennifer R Fanning, Eliana Fisher, Laurel Couture, Royce J Lee
A computerized version of an assessment of Social-Emotional Information Processing (SEIP) using audio-video film stimuli instead of written narrative vignettes was developed for use in adult participants. This task allows for an assessment of encoding or relevant/irrelevant social-emotional information, attribution bias, and endorsement of appropriate, physically aggressive, and relationally aggressive responses to aversive social-emotional stimuli. The psychometric properties of this Video-SEIP (V-SEIP) assessment were examined in 75 healthy controls (HC) and in 75 individuals with DSM-5 Intermittent Explosive Disorder (IED) and were also compared with the original questionnaire (SEIP-Q) version of the task (HC=26; IED=26)...
November 8, 2016: Psychiatry Research
https://www.readbyqxmd.com/read/28006829/influences-of-interelectrode-distance-and-innervation-zone-on-electromyographic-signals
#4
C M Smith, T J Housh, J M Zuniga, C L Camic, H C Bergstrom, D B Smith, T Herda, J P Weir, E C Hill, N D M Jenkins, R J Schmidt, G Johnson
The purpose of the present study was to examine the effects of electrode placements centered over and offset from the innervation zone (IZ) with different interelectrode distances (IED) on the time and frequency domain parameters of the electromyographic (EMG) signal during a fatiguing submaximal, isometric workout. 11 adults performed an isometric leg extension muscle action at 50% maximal voluntary isometric contraction (MVIC) to exhaustion. Electromyographic amplitude and frequency parameters were determined from electrode placements with different IED centered over, at proximal offset, at distal offset, and away from the IZ at 10, 50, and 100% of the time to exhaustion using an electrode array...
December 22, 2016: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/27986504/the-consequences-of-chronic-cannabis-smoking-in-vulnerable-adolescents
#5
REVIEW
Montaha Al Iede, Kenneth Nunn, Bronwyn Milne, Dominic A Fitzgerald
Cannabis, like the mythic shape-shifter, presents in various guises, morphing with the perspective and context of the observer. Arguments about cannabis are confused by a myriad of debates-medical, social, ethical and political-as if a single conceptual umbrella can capture the variety and granularity of marijuana-related issues. This paper responds to marijuana use as it is commonly practised by youth in Australia. It has little to say about synthetic cannabinoids, specific medicinal cannabinoids, or medicinal properties of marijuana...
November 9, 2016: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/27957714/association-of-lipid-peroxidation-and-brain-derived-neurotrophic-factor-with-executive-function-in-adolescent-bipolar-disorder
#6
Dwight F Newton, Melanie R Naiberg, Ana C Andreazza, Gustavo Scola, Daniel P Dickstein, Benjamin I Goldstein
BACKGROUND: Executive dysfunction is common and impairing in youth bipolar disorder (BD), and oxidative stress (OS) and brain-derived neurotrophic factor (BDNF) have been implicated in executive deficits of adult BD. This study aimed to determine the association between OS and executive dysfunction in BD adolescents and the influence of BDNF on this association. METHODS: Serum levels of lipid hydroperoxides (LPH) and 4-hydroxy-2-nonenal (4-HNE) and BDNF levels were measured in 29 BD and 25 control adolescents...
December 12, 2016: Psychopharmacology
https://www.readbyqxmd.com/read/27935031/interictal-epileptiform-discharges-impair-word-recall-in-multiple-brain-areas
#7
Peter C Horak, Stephen Meisenhelter, Yinchen Song, Markus E Testorf, Michael J Kahana, Weston D Viles, Krzysztof A Bujarski, Andrew C Connolly, Ashlee A Robbins, Michael R Sperling, Ashwini D Sharan, Gregory A Worrell, Laura R Miller, Robert E Gross, Kathryn A Davis, David W Roberts, Bradley Lega, Sameer A Sheth, Kareem A Zaghloul, Joel M Stein, Sandhitsu R Das, Daniel S Rizzuto, Barbara C Jobst
OBJECTIVES: Interictal epileptiform discharges (IEDs) have been linked to memory impairment, but the spatial and temporal dynamics of this relationship remain elusive. In the present study, we aim to systematically characterize the brain areas and times at which IEDs affect memory. METHODS: Eighty epilepsy patients participated in a delayed free recall task while undergoing intracranial electroencephalography (EEG) monitoring. We analyzed the locations and timing of IEDs relative to the behavioral data in order to measure their effects on memory...
December 9, 2016: Epilepsia
https://www.readbyqxmd.com/read/27836148/volumetric-shrinkage-and-film-thickness-of-cementation-materials-for-veneers-an-in%C3%A2-vitro-3d-microcomputed-tomography-analysis
#8
Camila S Sampaio, João Malta Barbosa, Eduardo Cáceres, Lindiane C Rigo, Paulo G Coelho, Estevam A Bonfante, Ronaldo Hirata
STATEMENT OF PROBLEM: Few studies have investigated the volumetric polymerization shrinkage and film thickness of the different cementation techniques used to cement veneers. PURPOSE: The purpose of this in vitro study was to evaluate the volumetric polymerization shrinkage (VS) and film thickness (FT) of various cementation techniques through 3-dimensional (3D) microcomputed tomography (μCT). MATERIAL AND METHODS: Forty-eight artificial plastic maxillary central incisors with standard preparations for veneers were provided by a mannequin manufacturer (P-Oclusal) and used as testing models with the manufacturer's plastic veneers...
November 8, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27835831/spatial-distribution-of-surface-emg-on-trapezius-and-lumbar-muscles-of-violin-and-cello-players-in-single-note-playing
#9
Babak Afsharipour, Francesco Petracca, Mauro Gasparini, Roberto Merletti
Musicians activate their muscles in different patterns, depending on their posture, the instrument being played, and their experience level. Bipolar surface electrodes have been used in the past to monitor such activity, but this method is highly sensitive to the location of the electrode pair. In this work, the spatial distribution of surface EMG (sEMG) of the right trapezius and right and left erector spinae muscles were studied in 16 violin players and 11 cello players. Musicians played their instrument one string at a time in sitting position with/without backrest support...
December 2016: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/27798944/deep-brain-stimulation-of-the-anterior-limb-of-the-internal-capsule-may-be-efficacious-for-explosive-aggressive-behaviour
#10
Flavio Giordano, Michele Cavallo, Barbara Spacca, Stefano Pallanti, Francesco Tomaiuolo, Fulvio Pieraccini, Andrea Fagiolini, Manuela Grandoni, Federico Melani, Anna Zicca, Stelvio Sestini, Lorenzo Genitori
BACKGROUND: Intermittent explosive disease (IED) is a psychiatric disorder characterized by intermittent attacks of rage and violence frequently resistant to pharmacological therapy. Deep brain stimulation (DBS) of the posteromedial hypothalamus has been applied with fair results and clinical improvement with some surgical morbidity due to neurovegetative side effects. The anterior limb of the internal capsule/ventral capsule/ventral striatum (VC/VS) has never been used alone as a target for this disease...
November 1, 2016: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/27751213/-role-of-video-electroencephalogram-in-diagnosis-and-localization-of-epilepsy-in-children
#11
Xiao-Yan Yang, Li-Li Long, Bo Xiao
OBJECTIVE: To study the role of video electroencephalogram (VEEG) versus regular electroencephalogram (REEG) in the diagnosis of epilepsy and localization of origin of epileptic discharge in children through a comparative analysis. METHODS: A retrospective analysis was performed for the clinical data of 223 children with clinical paroxysmal symptoms in the past and suspected epilepsy. VEEG and REEG were compared from the aspects of monitoring of clinical seizures, interictal epileptiform discharge (IED), localization of the origin of IED, and identification of non-epileptic seizures, and the detection rate of IED during awakening and sleep stages was also compared...
October 2016: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/27697074/18f-fdg-pet-correlates-of-impulse-control-disorder-in-a-diabetic-patient
#12
Burak Yulug, Lutfu Hanoglu, Ahmet Mithat Tavli, Tansel Cakır, Elmir Khanmammadov, Oktay Olmuscelik
BACKGROUND: Studies have already shown that hyperglycemia and insulin resistance is significantly associated with the impairment of cerebral glucose metabolism that may secondary lead to cognitive disturbances. In this study, we aimed to evaluate the neurometabolic correlates of diabetes in a patient with Intermittent explosive disorder (IED). METHODS: We have investigated the cerebral glucose metabolism via 2-[18F]-fluoro-2- deoxy-D-glucose positron emission tomography (FDG-PET) in a diabetic patient with aggressive outbursts...
September 30, 2016: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/27693977/differential-fmri-bold-responses-in-amygdala-in-intermittent-explosive-disorder-as-a-function-of-past-alcohol-use-disorder
#13
Emil F Coccaro, Sarah K Keedy, Stephanie M Gorka, Andrea C King, Jennifer R Fanning, Royce J Lee, K Luan Phan
BACKGROUND: Individuals with intermittent explosive disorder (IED) were previously found to exhibit amygdala (AMYG) hyperactivation to anger faces during functional magnetic resonance imaging (fMRI). However, acute alcohol consumption, and/or life history of alcoholism, may blunt amygdala responses to negative emotional stimuli. Thus, we examined the influence of a past history of DSM-5 Alcohol Use Disorder (AUD) on the fMRI BOLD AMYG response to anger faces in IED. METHOD: Forty-two IED participants, 18 with a past history of AUD (IED+AUD) and 24 without Past AUD (IED), and 32 healthy control (HC) participants, underwent fMRI scanning while viewing blocks of angry, fearful, and happy faces...
September 9, 2016: Psychiatry Research
https://www.readbyqxmd.com/read/27693237/transcranial-direct-current-stimulation-in-mesial-temporal-lobe-epilepsy-and-hippocampal-sclerosis
#14
Daniel San-Juan, Dulce Anabel Espinoza López, Rafael Vázquez Gregorio, Carlos Trenado, Maricarmen Fernández-González Aragón, León Morales-Quezada, Axel Hernandez Ruiz, Flavio Hernandez-González, Alejandro Alcaraz-Guzmán, David J Anschel, Felipe Fregni
BACKGROUND: Transcranial direct current stimulation (tDCS) has been evaluated in medication refractory epilepsy patients. The results have been inconclusive and protocols have varied between studies. OBJECTIVE: To evaluate the safety and efficacy of two protocols of tDCS in adult patients with mesial temporal lobe epilepsy and hippocampal sclerosis (MTLE-HS). METHODS: This is a randomized placebo-controlled, double-blinded clinical trial, with 3 arms, 3 sessions, 5 sessions and placebo stimulation...
August 31, 2016: Brain Stimulation
https://www.readbyqxmd.com/read/27634772/inner-ear-lesion-and-the-differential-roles-of-hypoxia-and-hypercarbia-in-triggering-active-movements-potential-implication-for-the-sudden-infant-death-syndrome
#15
Sanja Ramirez, Travis Allen, Lindsay Villagracia, Yooree Chae, Jan M Ramirez, Daniel D Rubens
Infants that succumb to Sudden Infant Death Syndrome (SIDS) have been identified with inner ear dysfunction (IED) at birth and on autopsy. We previously investigated whether IED could play a mechanistic role in SIDS. We discovered that animals with IED displayed significant suppression of movement arousal to a hypoxic-hypercarbic gas mixture under light anesthesia. In the current study we investigated the role of each gas in triggering movements and the response to hypercarbia during natural sleep without anesthesia...
September 12, 2016: Neuroscience
https://www.readbyqxmd.com/read/27631414/decreased-network-efficiency-in-benign-epilepsy-with-centrotemporal-spikes
#16
Gong-Jun Ji, Yang Yu, Huan-Huan Miao, Zhong-Jin Wang, Ye-Lei Tang, Wei Liao
Purpose To investigate the functional connectome alterations in benign epilepsy with centrotemporal spikes with respect to the occurrence of interictal epileptic discharges (IEDs) during functional magnetic resonance (MR) imaging. Materials and Methods This prospective study was approved by the local institutional review board and was HIPAA compliant. All participants were consecutively enrolled with written informed consent. Forty-three right-handed patients were classified into IED (n = 20, 13 girls and seven boys; mean age ± standard deviation, 9...
September 15, 2016: Radiology
https://www.readbyqxmd.com/read/27624432/comorbid-intermittent-explosive-disorder-and-posttraumatic-stress-disorder-clinical-correlates-and-relationship-to-suicidal-behavior
#17
Jennifer R Fanning, Royce Lee, Emil F Coccaro
OBJECTIVE: Posttraumatic stress disorder (PTSD) is associated with both aggressive and suicidal behavior. Recent research suggests that the diagnosis of intermittent explosive disorder (IED), an impulse-control disorder characterized by repeated impulsive aggressive behavior, may help to identify individuals at risk for attempting suicide. Given the relationship between anger and PTSD, there is likely to be an increased prevalence of IED among individuals with PTSD; however, little is known about the overlap in these two disorders, including how individuals with comorbid IED and PTSD may differ from those with either disorder alone...
October 2016: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/27621104/social-cognition-in-intermittent-explosive-disorder-and-aggression
#18
Emil F Coccaro, Jennifer R Fanning, Sarah K Keedy, Royce J Lee
Social-emotional information processing (SEIP) was assessed in individuals with current DSM-5 Intermittent Explosive Disorder (IED: n = 100) and in healthy (n = 100) and psychiatric (n = 100) controls using a recently developed and validated self-rated questionnaire. SEIP vignettes depicted both direct aggressive and relationally aggressive scenarios of a socially ambiguous nature and were followed by questions assessing subjects' reactions and judgments about the vignettes. IED subjects differed from both healthy and psychiatric controls in all SEIP components...
December 2016: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/27609650/the-surgical-management-of-facial-trauma-in-british-soldiers-during-combat-operations-in-afghanistan
#19
Matthew Wordsworth, Rachael Thomas, John Breeze, Demetrius Evriviades, James Baden, Shehan Hettiaratchy
INTRODUCTION: The recent Afghanistan conflict caused a higher proportion of casualties with facial injuries due to both the increasing effectiveness of combat body armour and the insurgent use of the improvised explosive device (IED). The aim of this study was to describe all injuries to the face sustained by UK service personnel from blast or gunshot wounds during the highest intensity period of combat operations in Afghanistan. METHODS: Hospital records and Joint Theatre Trauma Registry data were collected for all UK service personnel killed or wounded by blast and gunshot wounds in Afghanistan between 01 April 2006 and 01 March 2013...
January 2017: Injury
https://www.readbyqxmd.com/read/27592185/patients-with-multiple-traumatic-amputations-an-analysis-of-operation-enduring-freedom-joint-theatre-trauma-registry-data
#20
Brandon W Godfrey, Ashley Martin, Paul J Chestovich, Gordon H Lee, Nichole K Ingalls, Vilas Saldanha
INTRODUCTION: Improvised Explosive Devices (IED) are the primary wounding mechanism for casualties in Operation Enduring Freedom. Patients can sustain devastating traumatic amputations, which are unlike injuries seen in the civilian trauma sector. This is a database analysis of the largest patient registry of multiple traumatic amputations. METHODS: The Joint Theater Trauma Registry was queried for patients with a traumatic amputation from 2009 to 2012. Data obtained included the Injury Severity Score (ISS), Glasgow Coma Score (GCS), blood products, transfer from theatre, and complications including DVT, PE, infection (Acinetobacter and fungal), acute renal failure, and rhabdomyolysis...
January 2017: Injury
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