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https://www.readbyqxmd.com/read/29456957/-is-cone-beam-computed-tomography-cbct-a-potential-imaging-tool-in-ent-practice-a-cross-sectional-survey-among-ent-surgeons-in-the-state-of-odisha-india
#1
S Lata, S K Mohanty, S Vinay, Abhaya Chandra Das, Sanjib Das, Priyadarshini Choudhury
This questioner survey aimed about awareness of the Cone Beam Computed Tomography (CBCT) machine and its various clinical applications in ENT, among the ENT surgeons in the state of Odisha. 150 questioner forms on CBCT were distributed to the all the participating ENT surgeons at a state level ENT conference, out of which the response rate was 110. The participants were asked to answer 30 multiple choice questions, which were divided into 3 parts; general information on CBCT, general approach to CBCT and practice related to CBCT...
March 2018: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/29454223/attention-as-the-glue-for-object-integration-in-parietal-extinction
#2
Markus Conci, Julia Groß, Ingo Keller, Hermann J Müller, Kathrin Finke
Patients with unilateral, parietal brain damage frequently show visual extinction, which manifests in a failure to identify contralesional stimuli when presented simultaneously with other, ipsilesional stimuli (but full awareness for single stimulus presentations). Extinction reflects an impairment of spatial selective attention, leaving basic preattentive processing unaffected. For instance, access to bilaterally grouped objects is usually spared in extinction, suggesting that grouping occurs at a stage preceding (in the patients: abnormally biased) spatial-attentional selection...
January 31, 2018: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29451105/human-automation-interaction-for-multiple-robot-control-the-effect-of-varying-automation-assistance-and-individual-differences-on-operator-performance
#3
Julia L Wright, Jessie Y C Chen, Michael J Barnes
In a human-automation interaction study, automation assistance level (AL) was investigated for its effects on operator performance in a dynamic, multi-tasking environment. Participants supervised a convoy of manned and unmanned vehicles traversing a simulated environment in three AL conditions, while maintaining situation awareness and identifying targets. Operators' situation awareness, target detection performance, workload, and individual differences were evaluated. Results show increasing AL generally improved task performance and decreased perceived workload, however differential effects due to operator spatial ability and perceived attentional control were found...
February 16, 2018: Ergonomics
https://www.readbyqxmd.com/read/29437049/ophthalmologic-manifestations-associated-with-zika-virus-infection
#4
Camila V Ventura, Liana O Ventura
Vision plays an important role in the development of communication, social interaction, spatial awareness, and the motor skills needed to explore the environment. In the past 2 years, researchers have described the broad spectrum of clinical features that comprise congenital Zika syndrome (CZS). The ocular manifestations are considered 1 important pillar of this new entity. The most characteristic ophthalmic findings include chorioretinal scars and focal pigmentary changes seen in the macular region. Since these findings were first reported, other researchers have validated and extended them, leading to a more complete picture of the spectrum of ocular manifestations related to CZS...
February 2018: Pediatrics
https://www.readbyqxmd.com/read/29427798/evidence-for-multiple-sylvatic-transmission-cycles-during-the-2016-2017-yellow-fever-virus-outbreak-brazil
#5
Andres Moreira-Soto, Maria Celeste Torres, Marcos Cesar Lima de Mendonça, Maria Angelica Mares-Guia, Cintia Damasceno Dos Santos Rodrigues, Allison Fabri, Carolina Cardoso Dos Santos, Eliane Saraiva Machado Araújo, Carlo Fischer, Rita Maria Ribeiro Nogueira, Christian Drosten, Patricia Carvalho Sequeira, Jan Felix Drexler, Ana Maria Bispo de Filippis
OBJECTIVE: Since December 2016, Brazil has experienced an unusually large outbreak of yellow fever (YF). Whether urban transmission may contribute to the extent of the outbreak is unclear. The objective of this study was to characterize yellow fever virus (YFV) genomes and to identify spatial patterns to determine the distribution and origin of YF cases in Minas Gerais, Espírito Santo and Rio de Janeiro, the most affected Brazilian states during the current YFV outbreak. METHODS: We characterized near-complete YFV genomes from 14 human cases and two non-human primates (NHP), sampled from February to April 2017, retrieved epidemiological data of cases and used a geographic information system to investigate geospatial spread of YFV...
February 7, 2018: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29427572/eeg-measures-of-brain-activity-reveal-that-smoking-related-images-capture-the-attention-of-smokers-outside-of-awareness
#6
Joseph A Harris, Sarah E Donohue, Arne Ilse, M Ariel Schoenfeld, Hans-Jochen Heinze, Marty G Woldorff
The capture of attention by substance-related stimuli in dependent users is a major factor in the maintenance and/or cessation of substance use. The present study examined the automaticity of this process in smokers, as well as the effects of craving. Event-related potential (ERP) measures of spatial-attention allocation (N2pc) and extended target processing (SPCN) were isolated during an object-substitution masking (OSM) task that disrupted the perceptual visibility of smoking-related and office-related targets...
February 7, 2018: Neuropsychologia
https://www.readbyqxmd.com/read/29417719/the-role-of-mate-choice-copying-in-speciation-and-hybridization
#7
Susana A M Varela, Margarida Matos, Ingo Schlupp
Mate-choice copying, a social, non-genetic mechanism of mate choice, occurs when an individual (typically a female) copies the mate choice of other individuals via a process of social learning. Over the past 20 years, mate-choice copying has consistently been shown to affect mate choice in several species, by altering the genetically based expression of mating preferences. This behaviour has been claimed by several authors to have a significant role in evolution. Because it can cause or increase skews in male mating success, it seems to have the potential to induce a rapid change of the directionality and rate of sexual selection, possibly leading to divergent evolution and speciation...
February 8, 2018: Biological Reviews of the Cambridge Philosophical Society
https://www.readbyqxmd.com/read/29413714/assessing-the-association-of-diabetes-self-management-education-centers-with-age-adjusted-diabetes-rates-across-u-s-aspatial-cluster-analysis-approach
#8
Rajib Paul, Chae Young Lim, Amy B Curtis, Tapabrata Maiti, Kathleen M Baker, Libertie B Mantilla, Elizabeth L MacQuillan
The purpose of this study is to identify regions with diabetes health-service shortage. American Diabetes Association (ADA)-accredited diabetes self-management education (DSME) is recommended for all those with diabetes. In this study, we focus on demographic patterns and geographic regionalization of the disease by including accessibility and availability of diabetes education resources as a critical component in understanding and confronting differences in diabetes prevalence, as well as addressing regional or sub-regional differences in awareness, treatment and control...
February 2018: Spatial and Spatio-temporal Epidemiology
https://www.readbyqxmd.com/read/29410060/pharmacy-level-barriers-to-implementing-expedited-partner-therapy-in-baltimore-maryland
#9
Jennifer Z Qin, Clarissa P Diniz, Jenell S Coleman
BACKGROUND: Addressing record high rates of Chlamydia trachomatis (Ct) incidence in the United States (U.S.) requires the utilization of effective strategies, such as expedited partner therapy (EPT), to reduce reinfection and further transmission. EPT, which can be given as a prescription or medication, is a strategy to treat the sexual partners of index patients diagnosed with a sexually transmitted infection (STI) without prior medical evaluation of the partners. OBJECTIVE: There are multiple steps in the prescription-EPT cascade and we sought to identify pharmacy-level barriers to implementing prescription-EPT for Ct treatment...
January 31, 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29404206/spatial-and-temporal-patterns-of-human-puumala-virus-puuv-infections-in-germany
#10
Sarah Cunze, Judith Kochmann, Thomas Kuhn, Raphael Frank, Dorian D Dörge, Sven Klimpel
Background: Worldwide, the number of recorded human hantavirus infections as well as the number of affected countries is on the rise. In Europe, most human hantavirus infections are caused by the Puumala virus (PUUV), with bank voles (Myodes glareolus) as reservoir hosts. Generally, infection outbreaks have been related to environmental conditions, particularly climatic conditions, food supply for the reservoir species and land use. However, although attempts have been made, the insufficient availability of environmental data is often hampering accurate temporal and spatially explicit models of human hantavirus infections...
2018: PeerJ
https://www.readbyqxmd.com/read/29395547/spinning-hurting-still-afraid-living-life-spaces-with-type-i-chiari-malformation
#11
Gavin J Andrews
Human geography's varied engagement with the brain has involved considerations of the way people know and respond to their environments, and their place-based experiences with emotions, mental illnesses and disorders, intellectual disabilities and particular neurological conditions. This paper argues however that this scholarship could be augmented by, and existing expertise be directed towards, considering physical brain abnormalities and injuries. As a case in point it considers the spatial experience of living with Type 1 Chiari Malformation...
January 27, 2018: Social Science & Medicine
https://www.readbyqxmd.com/read/29390970/the-experience-of-lived-space-in-persons-with-dementia-a-systematic-meta-synthesis
#12
Linn Hege Førsund, Ellen Karine Grov, Anne-Sofie Helvik, Lene Kristine Juvet, Kirsti Skovdahl, Siren Eriksen
BACKGROUND: Identifying how persons with dementia experience lived space is important for enabling supportive living environments and creating communities that compensate for the fading capabilities of these persons. Several single studies have explored this topic; however, few studies have attempted to explicitly review and synthesize this research literature. The aim of this systematic meta-synthesis was therefore to interpret and synthesize knowledge regarding persons with dementia's experience of space...
February 1, 2018: BMC Geriatrics
https://www.readbyqxmd.com/read/29370864/leishmaniasis-in-sri-lanka-spatial-distribution-and-seasonal-variations-from-2009-to-2016
#13
REVIEW
Lahiru Sandaruwan Galgamuwa, Samath D Dharmaratne, Devika Iddawela
BACKGROUND: Leishmaniasis is listed as one of the eight neglected tropical diseases by the World Health Organization and the number of cases in endemic areas has seen a sharp rise in the past decade. More alarmingly, reports have shown that leishmaniasis is spreading to non-endemic areas of the world due to co-infection with HIV. In Sri Lanka, leishmaniasis is considered as a notifiable disease from 2008 and has seen a rising trend of incidence since then. This is the first study describing the burden, seasonal variation and spatial distribution of leishmaniasis in Sri Lanka since the disease has been included as a notifiable disease...
January 25, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29362805/the-edge-of-awareness-mask-spatial-density-but-not-color-determines-optimal-temporal-frequency-for-continuous-flash-suppression
#14
Jan Drewes, Weina Zhu, David Melcher
The study of how visual processing functions in the absence of visual awareness has become a major research interest in the vision-science community. One of the main sources of evidence that stimuli that do not reach conscious awareness-and are thus "invisible"-are still processed to some degree by the visual system comes from studies using continuous flash suppression (CFS). Why and how CFS works may provide more general insight into how stimuli access awareness. As spatial and temporal properties of stimuli are major determinants of visual perception, we hypothesized that these properties of the CFS masks would be of significant importance to the achieved suppression depth...
January 1, 2018: Journal of Vision
https://www.readbyqxmd.com/read/29342904/improved-coarray-interpolation-algorithms-with-additional-orthogonal-constraint-for-cyclostationary-signals
#15
Jinyang Song, Feng Shen
Many modulated signals exhibit a cyclostationarity property, which can be exploited in direction-of-arrival (DOA) estimation to effectively eliminate interference and noise. In this paper, our aim is to integrate the cyclostationarity with the spatial domain and enable the algorithm to estimate more sources than sensors. However, DOA estimation with a sparse array is performed in the coarray domain and the holes within the coarray limit the usage of the complete coarray information. In order to use the complete coarray information to increase the degrees-of-freedom (DOFs), sparsity-aware-based methods and the difference coarray interpolation methods have been proposed...
January 14, 2018: Sensors
https://www.readbyqxmd.com/read/29339558/does-sleep-facilitate-the-consolidation-of-allocentric-or-egocentric-representations-of-implicitly-learned-visual-motor-sequence-learning
#16
Jeremy Viczko, Valya Sergeeva, Laura B Ray, Adrian M Owen, Stuart M Fogel
Sleep facilitates the consolidation (i.e., enhancement) of simple, explicit (i.e., conscious) motor sequence learning (MSL). MSL can be dissociated into egocentric (i.e., motor) or allocentric (i.e., spatial) frames of reference. The consolidation of the allocentric memory representation is sleep-dependent, whereas the egocentric consolidation process is independent of sleep or wake for explicit MSL. However, it remains unclear the extent to which sleep contributes to the consolidation of implicit (i.e., unconscious) MSL, nor is it known what aspects of the memory representation (egocentric, allocentric) are consolidated by sleep...
February 2018: Learning & Memory
https://www.readbyqxmd.com/read/29339265/spatio-temporal-distribution-of-soil-nitrogen-in-poyang-lake-ecological-economic-zone-south-china
#17
Yefeng Jiang, Lei Rao, Kai Sun, Yi Han, Xi Guo
Revealing the spatio-temporal distribution of soil nitrogen (N) contributes to N management and prevention of N pollution. The objective of this work is to study the spatio-temporal distribution of soil N and their driving factors in the topsoil (0-20 cm) of farmland in Yugan county, China in 1982 and 2012. Data were collected from 200 sampling sites of the second national soil survey in Yugan in 1982 and 423 sampling sites of the soil testing and formula fertilization project in 2012. On average total N (TN) and available N (AN) significantly increased from 1...
January 13, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29326273/spatial-representations-of-self-and-other-in-the-hippocampus
#18
Teruko Danjo, Taro Toyoizumi, Shigeyoshi Fujisawa
An animal's awareness of its location in space depends on the activity of place cells in the hippocampus. How the brain encodes the spatial position of others has not yet been identified. We investigated neuronal representations of other animals' locations in the dorsal CA1 region of the hippocampus with an observational T-maze task in which one rat was required to observe another rat's trajectory to successfully retrieve a reward. Information reflecting the spatial location of both the self and the other was jointly and discretely encoded by CA1 pyramidal cells in the observer rat...
January 12, 2018: Science
https://www.readbyqxmd.com/read/29321555/fourier-transform-infrared-microscopy-enables-guidance-of-automated-mass-spectrometry-imaging-to-predefined-tissue-morphologies
#19
Jan-Hinrich Rabe, Denis A Sammour, Sandra Schulz, Bogdan Munteanu, Martina Ott, Katharina Ochs, Peter Hohenberger, Alexander Marx, Michael Platten, Christiane A Opitz, Daniel S Ory, Carsten Hopf
Multimodal imaging combines complementary platforms for spatially resolved tissue analysis that are poised for application in life science and personalized medicine. Unlike established clinical in vivo multimodality imaging, automated workflows for in-depth multimodal molecular ex vivo tissue analysis that combine the speed and ease of spectroscopic imaging with molecular details provided by mass spectrometry imaging (MSI) are lagging behind. Here, we present an integrated approach that utilizes non-destructive Fourier transform infrared (FTIR) microscopy and matrix assisted laser desorption/ionization (MALDI) MSI for analysing single-slide tissue specimen...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29313474/clinical-bacteriologic-and-geographic-stratification-of-melioidosis-emerges-from-the-sri-lankan-national-surveillance-program
#20
Harindra D Sathkumara, Adam J Merritt, Enoka M Corea, Shivankari Krishnananthasivam, Mohan Natesan, Timothy J J Inglis, Aruna Dharshan De Silva
Melioidosis, a potentially fatal tropical infection, is said to be underdiagnosed in low-income countries. An increase in melioidosis cases in Sri Lanka allowed us to analyze the relationship among clinical outcome, bacteriology, epidemiology, and geography in the first 108 laboratory-confirmed cases of melioidosis from a nationwide surveillance program. The additional 76 cases of laboratory-confirmed melioidosis confirmed additional associations between Burkholderia pseudomallei multilocus sequence typing (MLST) and infection phenotype; ST1137/unifocal bacteremic infection (χ2 = 3...
January 8, 2018: American Journal of Tropical Medicine and Hygiene
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