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https://www.readbyqxmd.com/read/28735381/characterization-of-the-sensorimotor-rhythm-in-4-month-old-infants-born-at-term-and-premature
#1
Milene Roca-Stappung, Minerva Moguel-González, Thalía Fernández, Thalía Harmony, Omar Mendoza-Montoya, José Luis Marroquín, Salvador Ruiz-Correa, Lourdes Díaz-Comas, Gloria Otero-Ojeda
The sensorimotor rhythm (SMR) is an electroencephalographic rhythm associated with motor and cognitive development observed in the central brain regions during wakefulness in the absence of movement, and it reacts contralaterally to generalized and hemibody movements. The purpose of this work was to characterize the SMR of 4-month-old infants, born either healthy at term or prematurely with periventricular leukomalacia (PVL). Two groups of infants were formed: healthy and premature with PVL. Their electroencephalograms (EEGs) were recorded in four conditions: rest, free movement, right-hand grasping and left-hand grasping, in order to explore general reactivity to free movement and contralateral reactivity in hand-grasping conditions...
July 22, 2017: Applied Psychophysiology and Biofeedback
https://www.readbyqxmd.com/read/28729830/resting-state-fluctuations-of-eeg-sensorimotor-rhythm-reflect-bold-activities-in-the-pericentral-areas-a-simultaneous-eeg-fmri-study
#2
Shohei Tsuchimoto, Shuka Shibusawa, Nobuaki Mizuguchi, Kenji Kato, Hiroki Ebata, Meigen Liu, Takashi Hanakawa, Junichi Ushiba
Blockade of the scalp electroencephalographic (EEG) sensorimotor rhythm (SMR) is a well-known phenomenon following attempted or executed motor functions. Such a frequency-specific power attenuation of the SMR occurs in the alpha and beta frequency bands and is spatially registered at primary somatosensory and motor cortices. Here, we hypothesized that resting-state fluctuations of the SMR in the alpha and beta frequency bands also covary with resting-state sensorimotor cortical activity, without involving task-related neural dynamics...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28729155/incidence-mortality-and-causes-of-death-in-physician-diagnosed-primary-sj%C3%A3-gren-s-syndrome-in-korea-a-nationwide-population-based-study
#3
Hyun Jung Kim, Kyoung Hoon Kim, Hoo Jae Hann, Seungjin Han, Yuri Kim, Sang Hyuk Lee, Dong Sook Kim, Hyeong Sik Ahn
OBJECTIVES: The objective of this study was to investigate the epidemiological features of primary Sjögren's syndrome (pSS) in Korea at a national level, including the incidence, mortality, and causes of death. METHODS: We used a national, population-based registry database called the Rare Intractable Disease Registration Program from the Health Insurance Review and Assessment Service to obtain pSS patient data for the period between 2010 and 2014. pSS was diagnosed by a physician based on uniform criteria...
March 8, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28726923/robust-manufacturing-of-lipid-polymer-nanoparticles-through-feedback-control-of-parallelized-swirling-microvortices
#4
Michael J Toth, Taeyoung Kim, YongTae Kim
A variety of therapeutic and/or diagnostic nanoparticles (NPs), or nanomedicines, have been formulated for improved drug delivery and imaging applications. Microfluidic technology enables continuous and highly reproducible synthesis of NPs through controlled mixing processes at the micro- and nanoscale. Yet, the inherent low-throughput remains a critical roadblock, precluding the probable applications of new nanomedicines for clinical translation. Here we present robust manufacturing of lipid-polymer NPs (LPNPs) through feedback controlled operation of parallelized swirling microvortex reactors (SMRs)...
July 20, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28726040/assessing-predicted-age-specific-breast-cancer-mortality-rates-in-27-european-countries-by-2020
#5
R Clèries, R M Rooney, M Vilardell, J A Espinàs, T Dyba, J M Borras
BACKGROUND: We assessed differences in predicted breast cancer (BC) mortality rates, across Europe, by 2020, taking into account changes in the time trends of BC mortality rates during the period 2000-2010. METHODS: BC mortality data, for 27 European Union (EU) countries, were extracted from the World Health Organization mortality database. First, we compared BC mortality data between time periods 2000-2004 and 2006-2010 through standardized mortality ratios (SMRs) and carrying out a graphical assessment of the age-specific rates...
July 19, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28724668/mortality-rates-and-cause-of-death-among-former-prison-inmates-in-north-carolina
#6
Mark Jones, Gregory D Kearney, Xiaohui Xu, Tammy Norwood, Scott K Proescholdbell
BACKGROUND Inmates face challenges upon release from prison, including increased risk of death. We examine mortality among former inmates in North Carolina, including both violent and nonviolent deaths.METHODS A retrospective cohort study among former North Carolina inmates released between 2008 and 2010 were linked with North Carolina mortality data to determine cause of death. Inmates were followed through December 31, 2012. Mortality rates among former inmates were compared with deaths among North Carolina residents using standardized mortality ratios (SMRs)...
July 2017: North Carolina Medical Journal
https://www.readbyqxmd.com/read/28723584/the-relationship-between-growth-performance-and-metabolic-rate-flexibility-varies-with-food-availability-in-juvenile-qingbo-spinibarbus-sinensis
#7
Ling-Qing Zeng, Lei Wang, Guan-Nan Wang, Yue Zeng, Shi-Jian Fu
Phenotypic flexibility in traits can allow organisms to cope with environmental challenges. However, the ecological consequences (e.g., growth) of SMR flexibility in fish are poorly understood. Juvenile qingbo (Spinibarbus sinensis) were reared individually with two levels of food resources (satiation or limited) with either continuous feeding (CF) or starvation-refeeding (SR). In the CF experiment, SMR increased when individuals were fed either the satiation or limited diets, but no difference was found in average specific growth rate somatic growth (SGR) between the two food availabilities...
July 16, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28718779/a-review-and-experimental-study-on-application-of-classifiers-and-evolutionary-algorithms-in-eeg-based-brain-machine-interface-systems
#8
Farajollah Tahernezhad-Javazm, Vahid Azimirad, Maryam Shoaran
OBJECTIVE: Considering the importance and the near future development of noninvasive Brain-Machine Interface (BMI) systems, this paper presents a comprehensive theoretical-experimental survey on the classification and evolutionary methods for BMI-based systems in which EEG signals are used. APPROACH: The paper is divided into two main parts. In the first part a wide range of different types of the base and combinatorial classifiers including boosting and bagging classifiers and also evolutionary algorithms are reviewed and investigated...
July 18, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28715296/a-self-determination-theory-based-self-myofascial-release-program-in-older-adults-with-myofascial-trigger-points-in-the-neck-and-back-a-pilot-study
#9
Minyoung Lee, Minhee Kim, Sejun Oh, Yoon-Jin Choi, Dongshin Lee, Sang Heon Lee, BumChul Yoon
PURPOSE: To examine the effectiveness and adherence to a self-determination theory (SDT)-based self-myofascial release (SMR) program in older adults with myofascial trigger points (MTrPs), and to investigate the factors that influence participant behavioral change while conducting the program in a home setting. METHODS: An explanatory mixed-method design was used to evaluate a 12-week SDT-based SMR program, including a 4-week group-based education and practice (EP) phase and an 8-week home-based self-management (SM) phase...
July 17, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28714426/suicide-following-acute-admissions-for-physical-illnesses-across-england-and-wales
#10
S E Roberts, A John, U Kandalama, J G Williams, R A Lyons, K Lloyd
BACKGROUND: The study aim was to establish and quantify suicide risk following acute admissions for all major physical illnesses, for confirmatory purposes, from two independent information sources from different countries. METHODS: Record linkage of inpatient and death certificate data for 11 004 389 acute admissions for physical illnesses in England and 713 496 in Wales. The main outcome measure was standardised mortality ratios (SMRs) for suicide at 1 year following discharge from hospital...
July 17, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28705951/excess-mortality-among-patients-with-multiple-sclerosis-in-denmark-has-dropped-significantly-over-the-past-six-decades-a-population-based-study
#11
Nils Koch-Henriksen, Bjarne Laursen, Egon Stenager, Melinda Magyari
BACKGROUND: Lifetime expectancy in multiple sclerosis (MS) is reduced. Few studies have had sufficient follow-up or sufficient number of patients to assess if survival has improved with time. However, a recent meta-analysis found no time-dependent change in MS excess mortality across studies over recent decades. OBJECTIVE: To investigate whether short-term all-cause excess mortality in patients with MS in the total Danish population has changed over the last six decades...
August 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28705161/entrustment-of-the-on-call-senior-medical-resident-role-implications-for-patient-safety-and-collective-care
#12
Noureen Huda, Lisa Faden, Mark Goldszmidt
BACKGROUND: The on-call responsibilities of a senior medicine resident (SMR) may include the admission transition of patient care on medical teaching teams (MTT), supervision of junior trainees, and ensuring patient safety. In many institutions, there is no standardised assessment of SMR competency prior to granting these on-call responsibilities in internal medicine. In order to fulfill competency based medical education requirements, training programs need to develop assessment approaches to make and defend such entrustment decisions...
July 14, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28701786/costly-neighbours-heterospecific-competitive-interactions-increase-metabolic-rates-in-dominant-species
#13
Matouš Janča, Lumír Gvoždík
The energy costs of self-maintenance (standard metabolic rate, SMR) vary substantially among individuals within a population. Despite the importance of SMR for understanding life history strategies, ecological sources of SMR variation remain only partially understood. Stress-mediated increases in SMR are common in subordinate individuals within a population, while the direction and magnitude of the SMR shift induced by interspecific competitive interactions is largely unknown. Using laboratory experiments, we examined the influence of con- and heterospecific pairing on SMR, spontaneous activity, and somatic growth rates in the sympatrically living juvenile newts Ichthyosaura alpestris and Lissotriton vulgaris...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28697285/an-expert-elicitation-of-the-proliferation-resistance-of-using-small-modular-reactors-smr-for-the-expansion-of-civilian-nuclear-systems
#14
Jonas Siegel, Elisabeth A Gilmore, Nancy Gallagher, Steve Fetter
To facilitate the use of nuclear energy globally, small modular reactors (SMRs) may represent a viable alternative or complement to large reactor designs. One potential benefit is that SMRs could allow for more proliferation resistant designs, manufacturing arrangements, and fuel-cycle practices at widespread deployment. However, there is limited work evaluating the proliferation resistance of SMRs, and existing proliferation assessment approaches are not well suited for these novel arrangements. Here, we conduct an expert elicitation of the relative proliferation resistance of scenarios for future nuclear energy deployment driven by Generation III+ light-water reactors, fast reactors, or SMRs...
July 11, 2017: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/28697060/mortality-among-hardmetal-production-workers-uk-cohort-and-nested-case-control-studies
#15
Damien M McElvenny, Laura A MacCalman, Anne Sleeuwenhoek, Alice Davis, Brian G Miller, Carla Alexander, Hilary Cowie, John W Cherrie, Kathleen J Kennedy, Nurtan A Esmen, Sarah D Zimmerman, Jeanine M Buchanich, Gary M Marsh
OBJECTIVE: The aim of this study was to characterize the mortality at two hardmetal production factories in the United Kingdom as part of an international study. METHODS: Standardized mortality ratios (SMRs) were calculated on the basis of mortality rates for England and Wales, and local rates. A nested case-control study of lung cancer was undertaken. RESULTS: The cohort comprised 1538 workers, with tracing complete for 94.4%. All-cause mortality was statistically significantly low for all cancers and nonmalignant respiratory disease, and for lung cancer was nonsignificantly low...
July 10, 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28691999/mortality-of-talc-miners-and-millers-from-val-chisone-northern-italy-an-updated-cohort-study
#16
Enrico Pira, Maurizio Coggiola, Catalina Ciocan, Canzio Romano, Carlo La Vecchia, Claudio Pelucchi, Paolo Boffetta
OBJECTIVE: The aim of this study was to update the analysis of mortality of a cohort of talc miners and millers in Northern Italy. METHODS: We analyzed the mortality during 1946 to 2013 of 1722 male workers in an asbestos-free talc mine (1166 miners and 556 millers) employed during 1946 to 1995. RESULTS: The overall standardized mortality ratio (SMR) was 1.24 [95% confidence interval (95% CI) 1.17 to 1.32]; no deaths were observed from pleural cancer; mortality from lung cancer was not increased...
July 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28689721/studying-the-evolutionary-significance-of-thermal-adaptation-in-ectotherms-the-diversification-of-amphibians-energetics
#17
Roberto F Nespolo, Julio Figueroa, Jaiber J Solano-Iguaran
A fundamental problem in evolutionary biology is the understanding of the factors that promote or constrain adaptive evolution, and assessing the role of natural selection in this process. Here, comparative phylogenetics, that is, using phylogenetic information and traits to infer evolutionary processes has been a major paradigm . In this study, we discuss Ornstein-Uhlenbeck models (OU) in the context of thermal adaptation in ectotherms. We specifically applied this approach to study amphibians's evolution and energy metabolism...
August 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/28684463/individual-variation-in-metabolic-reaction-norms-over-ambient-temperature-causes-low-correlation-between-basal-and-standard-metabolic-rate
#18
Michael Briga, Simon Verhulst
Basal metabolic rate (BMR) is often assumed to be indicative of the energy turnover at ambient temperatures (Ta) below the thermoneutral zone (SMR), but this assumption has remained largely untested. Using a new statistical approach, we quantified the consistency in nocturnal metabolic rate across a temperature range in zebra finches (n=3,213 measurements on 407 individuals) living permanently in eight outdoor aviaries. Foraging conditions were either benign or harsh, and body mass and mass-adjusted BMRm and SMRm were lower in individuals living in a harsh foraging environment...
July 6, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28682782/pubertal-assessment-a-national-survey-of-attitudes-knowledge-and-practices-of-the-us-pediatric-trainees
#19
Aditi Khokhar, Yagnaram Ravichandran, Dimitre G Stefanov, Sheila Perez-Colon
Background and objective Sex maturity rating (SMR), defines different levels of sexual maturity, based on the development of secondary sexual characteristics. Periodic assessment of pubertal maturation by physicians is crucial for timely identification of puberty-related disorders. With this pilot study, we aimed to assess the attitudes, knowledge and practices of pubertal assessment by current US pediatric trainees. Methods An anonymous online survey questionnaire was sent to categorical pediatric residents at different levels of training and pediatric chief residents across the US...
July 6, 2017: International Journal of Adolescent Medicine and Health
https://www.readbyqxmd.com/read/28681269/a-retrospective-assessment-of-prognostication-in-456-685-patients-undergoing-elective-major-non-cardiac-surgery
#20
Daniel McIsaac, Luke T Lavallée, Carl van Walraven
BACKGROUND: The accuracy of patient prognostication varies extensively in studies of select populations. Prognostication is an important component of patient selection for elective surgery. This retrospective study assessed patient prognostication prior to elective surgery by comparing the observed with the expected number of deaths in such patients. STUDY DESIGN: We used population-based administrative data to identify all adults undergoing one of 13 most common elective major non-cardiac gender-neutral surgeries in Ontario, Canada from 2002-2014...
July 5, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
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