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https://www.readbyqxmd.com/read/28081434/implicit-attitudes-towards-risky-driving-development-and-validation-of-an-affect-misattribution-procedure-for-speeding
#1
Andrei Rusu, Paul Sârbescu, Daniela Moza, Alexandra Stancu
The present study aimed to develop and validate an instrument for measuring implicit attitudes towards speeding, based on the Affect Misattribution Procedure (AMP). The data collected from 140 drivers supported the reliability of the AMP (α=0.80). Results provided some support for the construct validity of the AMP, through its convergence with explicit attitudes towards speeding (r=0.22). Also, the AMP incrementally predicted driving violations (ΔR(2)=0.034) and traffic accidents (ΔR(2)=0.022), above and beyond demographic variables and explicit attitudes towards speeding, thus providing initial evidence for its criterion validity...
January 9, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28079818/factors-associated-with-syphilis-incidence-in-the-hiv-infected-in-the-era-of-highly-active-antiretrovirals
#2
Mohaned Shilaih, Alex Marzel, Dominique L Braun, Alexandra U Scherrer, Helen Kovari, Jim Young, Alexandra Calmy, Katharine Darling, Manuel Battegay, Matthias Hoffmann, Enos Bernasconi, Maria C Thurnheer, Huldrych F Günthard, Roger D Kouyos
After several years of steady decline, syphilis is reemerging globally as a public health hazard, especially among people living with human immunodeficiency virus (HIV). Syphilis resurgence is observed mainly in men who have sex with men (MSM), yet other transmission groups are affected too. In this manuscript, we study the factors associated with syphilis incidence in the Swiss HIV cohort study in the era of highly effective antiretrovirals. Using parametric interval censored models with fixed and time-varying covariates, we studied the immunological, behavioral, and treatment-related elements associated with syphilis incidence in 3 transmission groups: MSM, heterosexuals, and intravenous drug users...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28078495/economic-context-and-hiv-vulnerability-in-adolescents-and-young-adults-living-in-urban-slums-in-kenya-a-qualitative-analysis-based-on-scarcity-theory
#3
Larissa Jennings, Muthoni Mathai, Sebastian Linnemayr, Antonio Trujillo, Margaret Mak'anyengo, Brooke E E Montgomery, Deanna L Kerrigan
Urban slum adolescents and young adults have disproportionately high rates of HIV compared to rural and non-slum urban youth. Yet, few studies have examined youth's perceptions of the economic drivers of HIV. Informed by traditional and behavioral economics, we applied a scarcity theoretical framework to qualitatively examine how poverty influences sexual risk behaviors among adolescents and young adults. Focus group discussions with one hundred twenty youth in Kenyan's urban slums were transcribed, coded, and analyzed using interpretive phenomenology...
January 11, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28077741/is-using-a-latrine-a-strange-thing-to-do-a-mixed-methods-study-of-sanitation-preference-and-behaviors-in-rural-ethiopia
#4
Kristen Aiemjoy, Nicole E Stoller, Sintayehu Gebresillasie, Ayalew Shiferaw, Zerihun Tadesse, Tegene Sewent, Bezuayehu Ayele, Melsew Chanyalew, Solomon Aragie, Kelly Callahan, Aisha Stewart, Paul M Emerson, Thomas M Lietman, Jeremy D Keenan, Catherine E Oldenburg
Latrines are the most basic form of improved sanitation and are a common public health intervention. Understanding motivations for building and using latrines can help develop effective, sustainable latrine promotion programs. We conducted a mixed-methods study of latrine use in the Amhara region of Ethiopia. We held 15 focus group discussions and surveyed 278 households in five communities. We used the Integrated Behavioral Model for Water, Sanitation, and Hygiene interventions to guide our qualitative analysis...
January 11, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28073472/the-interaction-between-cyanobacteria-and-zooplankton-in-a-more-eutrophic-world
#5
REVIEW
Kemal Ali Ger, Pablo Urrutia-Cordero, Paul C Frost, Lars-Anders Hansson, Orlando Sarnelle, Alan E Wilson, Miquel Lürling
As blooms of cyanobacteria expand and intensify in freshwater systems globally, there is increasing interest in their ecological effects. In addition to being public health hazards, cyanobacteria have long been considered a poor quality food for key zooplankton grazers that link phytoplankton to higher trophic levels. While past laboratory studies have found negative effects of nutritional constraints and defensive traits (i.e., toxicity and colonial or filamentous morphology) on the fitness of large generalist grazers (i...
April 2016: Harmful Algae
https://www.readbyqxmd.com/read/28070275/altered-natal-dispersal-at-the-range-periphery-the-role-of-behavior-resources-and-maternal-condition
#6
Melissa J Merrick, John L Koprowski
Natal dispersal outcomes are an interplay between environmental conditions and individual phenotypes. Peripheral, isolated populations may experience altered environmental conditions and natal dispersal patterns that differ from populations in contiguous landscapes. We document nonphilopatric, sex-biased natal dispersal in an endangered small mammal, the Mt. Graham red squirrel (Tamiasciurus hudsonicus grahamensis), restricted to a single mountain. Other North American red squirrel populations are shown to have sex-unbiased, philopatric natal dispersal...
January 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28069887/mandatory-physician-reporting-of-at-risk-drivers-the-older-driver-example
#7
Yll Agimi, Steven M Albert, Ada O Youk, Patricia I Documet, Claudia A Steiner
PURPOSE OF THE STUDY: In a number of states, physicians are mandated by state law to report at-risk drivers to licensing authorities. Often these patients are older adult drivers who may exhibit unsafe driving behaviors, have functional/cognitive impairments, or are diagnosed with conditions such as Alzheimer's disease and/or seizure disorders. The hypothesis that mandatory physician reporting laws reduce the rate of crash-related hospitalizations among older adult drivers was tested...
January 9, 2017: Gerontologist
https://www.readbyqxmd.com/read/28065843/alpha-7-nicotinic-agonists-for-cognitive-deficits-in-neuropsychiatric-disorders-a-translational-meta-analysis-of-rodent-and-human-studies
#8
Alan S Lewis, Gerrit I Van Schalkwyk, Michael H Bloch
Cognitive dysfunction in schizophrenia (SCZ) and Alzheimer's disease (AD) is a major driver of functional disability but is largely unresponsive to current therapeutics. Animal models of cognitive dysfunction relevant to both disorders suggest the α7 nicotinic acetylcholine receptor (nAChR) may be a promising drug development target, with multiple clinical trials subsequently testing this hypothesis in individuals with SCZ and AD. However, the translational value of rodent cognitive tasks for predicting the overall efficacy of this therapeutic target in clinical trials is unknown...
January 5, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28064526/understanding-social-norms-and-violence-in-childhood-theoretical-underpinnings-and-strategies-for-intervention
#9
P S Lilleston, L Goldmann, R K Verma, J McCleary-Sills
Violence in childhood is a widespread human rights violation that crosses cultural, social and economic lines. Social norms, the shared perceptions about others that exist within social groups, are a critical driver that can either prevent or perpetuate violence in childhood. This review defines injunctive and descriptive social norms and lays out a conceptual framework for the relationship between social norms and violence in childhood, including the forces shaping social norms, the mechanisms through which these norms influence violence in childhood (e...
January 9, 2017: Psychology, Health & Medicine
https://www.readbyqxmd.com/read/28060275/automated-analysis-of-c-elegans-swim-behavior-using-celest-software
#10
Carolina Ibáñez-Ventoso, Christopher Herrera, Esteban Chen, Douglas Motto, Monica Driscoll
Dissecting the neuronal and neuromuscular circuits that regulate behavior remains a major challenge in biology. The nematode Caenorhabditis elegans has proven to be an invaluable model organism in helping to tackle this challenge, from inspiring technological approaches, building the human brain connectome, to actually shedding light on the specific molecular drivers of basic functional patterns. The bulk of the behavioral studies in C. elegans have been performed on solid substrates. In liquid, animals exhibit behavioral patterns that include movement at a range of speeds in 3D, as well as partial body movements, such as a posterior curl without anterior shape change, which introduce new challenges for quantitation...
December 7, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28049366/primary-thyroid-carcinoma-with-low-risk-histology-and-distant-metastases-clinico-pathologic-and-molecular-characteristics
#11
Bin Xu, R Michael Tuttle, Mona Sabra, Ian Ganly, Ronald Ghossein
BACKGROUND: Distant metastases (DM) are a rare occurrence in well differentiatedwell-differentiated thyroid carcinoma. The aim of our study was to analyze the clinical, pathologic, and molecular features of primary thyroid carcinoma with low risk histology that develop DM. METHODS: Detailed clinico-pathologic review and targeted next generation sequencing were performed on a cohort of well-differentiatedwell-differentiated thyroid carcinoma lacking gross extrathyroidal extension, extensive vascular invasion or significant lymph node metastases but exhibiting distant metastases...
January 3, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28039375/cholinergic-glutamatergic-and-gabaergic-neurons-of-the-ppt-have-distinct-effects-on-sleep-wake-behavior-in-mice
#12
Daniel Kroeger, Loris L Ferrari, Gaetan Petit, Carrie E Mahoney, Patrick M Fuller, Elda Arrigoni, Thomas E Scammell
: The pedunculopontine tegmental nucleus (PPT) has long been implicated in the regulation of cortical activity and behavioral states, including rapid eye movement (REM) sleep. For example, electrical stimulation of the PPT region during sleep leads to rapid awakening, whereas lesions of the PPT in cats reduce REM sleep. Though these effects have been linked with the activity of cholinergic PPT neurons, the PPT also includes intermingled glutamatergic and GABAergic cell populations, and the precise roles of cholinergic, glutamatergic and GABAergic PPT cell groups in regulating cortical activity and behavioral state remains unknown...
December 30, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28035273/does-cooperation-mean-kinship-between-spatially-discrete-ant-nests
#13
Duncan S Procter, Joan E Cottrell, Kevin Watts, Stuart W A'Hara, Michael Hofreiter, Elva J H Robinson
Eusociality is one of the most complex forms of social organization, characterized by cooperative and reproductive units termed colonies. Altruistic behavior of workers within colonies is explained by inclusive fitness, with indirect fitness benefits accrued by helping kin. Members of a social insect colony are expected to be more closely related to one another than they are to other conspecifics. In many social insects, the colony can extend to multiple socially connected but spatially separate nests (polydomy)...
December 2016: Ecology and Evolution
https://www.readbyqxmd.com/read/28031809/interpopulation-resource-partitioning-of-lesser-frigatebirds-and-the-influence-of-environmental-context
#14
Rowan Mott, Ashley Herrod, Rohan H Clarke
Conspecific individuals inhabiting nearby breeding colonies are expected to compete strongly for food resources owing to the constraints imposed by shared morphology, physiology, and behavior on foraging strategy. Consequently, colony-specific foraging patterns that effectively partition the available resources may be displayed. This study aimed to determine whether intraspecific resource partitioning occurs in two nearby colonies of Lesser Frigatebirds (Fregata ariel). A combination of stable isotope analysis and GPS tracking was used to assess dietary and spatial partitioning of foraging resources during the 2013 and 2014 breeding seasons...
December 2016: Ecology and Evolution
https://www.readbyqxmd.com/read/28028864/genetic-structure-in-the-european-endemic-seabird-phalacrocorax-aristotelis-was-shaped-by-a-complex-interaction-of-historical-and-contemporary-physical-and-non-physical-drivers
#15
Evanthia Thanou, Stefano Sponza, Emily J Nelson, Annika Perry, Sarah Wanless, Francis Daunt, Stephen Cavers
Geographically separated populations tend to be less connected by gene flow, as a result of physical or non-physical barriers preventing dispersal, and this can lead to genetic structure. In this context, highly mobile organisms such as seabirds are interesting because the small effect of physical barriers means non-physical ones may be relatively more important. Here we use microsatellite and mitochondrial data to explore the genetic structure and phylogeography of Atlantic and Mediterranean populations of a European endemic seabird, the European Shag, Phalacrocorax aristotelis, and identify the primary drivers of their diversification...
December 28, 2016: Molecular Ecology
https://www.readbyqxmd.com/read/28027290/single-cell-based-analysis-highlights-a-surge-in-cell-to-cell-molecular-variability-preceding-irreversible-commitment-in-a-differentiation-process
#16
Angélique Richard, Loïs Boullu, Ulysse Herbach, Arnaud Bonnafoux, Valérie Morin, Elodie Vallin, Anissa Guillemin, Nan Papili Gao, Rudiyanto Gunawan, Jérémie Cosette, Ophélie Arnaud, Jean-Jacques Kupiec, Thibault Espinasse, Sandrine Gonin-Giraud, Olivier Gandrillon
In some recent studies, a view emerged that stochastic dynamics governing the switching of cells from one differentiation state to another could be characterized by a peak in gene expression variability at the point of fate commitment. We have tested this hypothesis at the single-cell level by analyzing primary chicken erythroid progenitors through their differentiation process and measuring the expression of selected genes at six sequential time-points after induction of differentiation. In contrast to population-based expression data, single-cell gene expression data revealed a high cell-to-cell variability, which was masked by averaging...
December 2016: PLoS Biology
https://www.readbyqxmd.com/read/28025558/empirical-analysis-and-modeling-of-stop-line-crossing-time-and-speed-at-signalized-intersections
#17
Keshuang Tang, Fen Wang, Jiarong Yao, Jian Sun
In China, a flashing green (FG) indication of 3 s followed by a yellow (Y) indication of 3 s is commonly applied to end the green phase at signalized intersections. Stop-line crossing behavior of drivers during such a phase transition period significantly influences safety performance of signalized intersections. The objective of this study is thus to empirically analyze and model drivers' stop-line crossing time and speed in response to the specific phase transition period of FG and Y. High-resolution trajectories for 1465 vehicles were collected at three rural high-speed intersections with a speed limit of 80 km/h and two urban intersections with a speed limit of 50 km/h in Shanghai...
December 23, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28011142/cell-matrix-mechanical-interaction-in-electrospun-polymeric-scaffolds-for-tissue-engineering-implications-for-scaffold-design-and-performance
#18
REVIEW
Kelsey M Kennedy, Archana Bhaw-Luximon, Dhanjay Jhurry
: Engineered scaffolds produced by electrospinning of biodegradable polymers offer a 3D, nanofibrous environment with controllable structural, chemical, and mechanical properties that mimic the extracellular matrix of native tissues and have shown promise for a number of tissue engineering applications. The microscale mechanical interactions between cells and electrospun matrices drive cell behaviors including migration and differentiation that are critical to promote tissue regeneration...
December 21, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/28009838/modeling-driver-behavior-near-intersections-in-hidden-markov-model
#19
Juan Li, Qinglian He, Hang Zhou, Yunlin Guan, Wei Dai
Intersections are one of the major locations where safety is a big concern to drivers. Inappropriate driver behaviors in response to frequent changes when approaching intersections often lead to intersection-related crashes or collisions. Thus to better understand driver behaviors at intersections, especially in the dilemma zone, a Hidden Markov Model (HMM) is utilized in this study. With the discrete data processing, the observed dynamic data of vehicles are used for the inference of the Hidden Markov Model...
December 21, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27990264/creating-a-driving-profile-for-older-adults-using-gps-devices-and-naturalistic-driving-methodology
#20
Ganesh M Babulal, Cindy M Traub, Mollie Webb, Sarah H Stout, Aaron Addison, David B Carr, Brian R Ott, John C Morris, Catherine M Roe
Background/Objectives: Road tests and driving simulators are most commonly used in research studies and clinical evaluations of older drivers. We adapted an existing, commercial, off-the-shelf, in-vehicle device for naturalistic, longitudinal research to better understand daily driving behavior in older drivers. Design: The Azuga G2 Tracking Device (TM) was installed in each participant's vehicle, and we collected data over 5 months (speed, latitude/longitude) every 30-seconds when the vehicle was driven.  Setting: The Knight Alzheimer's Disease Research Center at Washington University School of Medicine...
2016: F1000Research
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