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https://www.readbyqxmd.com/read/28747186/understanding-differences-between-summer-vs-school-obesogenic-behaviors-of-children-the-structured-days-hypothesis
#1
Keith Brazendale, Michael W Beets, R Glenn Weaver, Russell R Pate, Gabrielle M Turner-McGrievy, Andrew T Kaczynski, Jessica L Chandler, Amy Bohnert, Paul T von Hippel
BACKGROUND: Although the scientific community has acknowledged modest improvements can be made to weight status and obesogenic behaviors (i.e., physical activity, sedentary/screen time, diet, and sleep) during the school year, studies suggests improvements are erased as elementary-age children are released to summer vacation. Emerging evidence shows children return to school after summer vacation displaying accelerated weight gain compared to the weight gained occurring during the school year...
July 26, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/28742411/is-major-depression-linked-to-alcohol-impaired-driving
#2
Ye Z Pogue, Jahn K Hakes, Frank A Sloan
BACKGROUND: Alcohol-impaired driving causes a substantial proportion of motor vehicle accidents. Depression is a prevalent psychiatric disorder among drinker-drivers. Few previous studies have investigated the relationship between major depression and alcohol-impaired driving. OBJECTIVES: We investigated whether depression has a positive relationship with the probability of alcohol-impaired driving after controlling for the co-occurrence of binge drinking and alcohol dependence...
July 25, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28739027/undiagonsed-attention-deficit-hyperactivity-disorder-adhd-among-unionized-drivers-in-ghana-public-health-and-policy-implications
#3
Thaddeus P Ulzen, John C Higginbotham, Gordon Donnir, Laurence Jerome, Al Segal
Road traffic accidents (RTA) are among the leading causes of mortality in sub-Saharan Africa. Many males that drop out of school in Ghana, a population at risk for attention-deficit hyperactivity disorder (ADHD), find employment by joining driver's unions. Moreover, the vehicles of Ghanaian unionized drivers are over-represented in fatal road accidents. Untreated ADHD has been linked with higher rates of RTAs. The objectives of this cross-sectional analysis is to determine the following among unionized drivers in Ghana: 1) the prevalence of ADHD, and 2) the association between self-reported ADHD risk and driving behavior...
July 21, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28736796/longitudinal-research-on-aging-drivers-longroad-study-design-and-methods
#4
Guohua Li, David W Eby, Robert Santos, Thelma J Mielenz, Lisa J Molnar, David Strogatz, Marian E Betz, Carolyn DiGuiseppi, Lindsay H Ryan, Vanya Jones, Samantha I Pitts, Linda L Hill, Charles J DiMaggio, David LeBlanc, Howard F Andrews
BACKGROUND: As an important indicator of mobility, driving confers a host of social and health benefits to older adults. Despite the importance of safe mobility as the population ages, longitudinal data are lacking about the natural history and determinants of driving safety in older adults. METHODS: The Longitudinal Research on Aging Drivers (LongROAD) project is a multisite prospective cohort study designed to generate empirical data for understanding the role of medical, behavioral, environmental and technological factors in driving safety during the process of aging...
December 2017: Injury Epidemiology
https://www.readbyqxmd.com/read/28735180/cell-phone-use-while-driving-does-peer-reported-use-predict-emerging-adult-use
#5
Neha Trivedi, Denise Haynie, Joe Bible, Danping Liu, Bruce Simons-Morton
Secondary task engagement such as cell phone use while driving is a common behavior among adolescents and emerging adults. Texting and other distracting cell phone use in this population contributes to the high rate of fatal car crashes. Peer engagement in similar risky driving behaviors, such as texting, could socially influence driver phone use behavior. The present study investigates the prospective association between peer and emerging adult texting while driving the first year after high school. Surveys were conducted with a national sample of emerging adults and their nominated peers...
July 20, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28735178/development-of-a-real-time-prediction-model-of-driver-behavior-at-intersections-using-kinematic-time-series-data
#6
Yaoyuan V Tan, Michael R Elliott, Carol A C Flannagan
As connected autonomous vehicles (CAVs) enter the fleet, there will be a long period when these vehicles will have to interact with human drivers. One of the challenges for CAVs is that human drivers do not communicate their decisions well. Fortunately, the kinematic behavior of a human-driven vehicle may be a good predictor of driver intent within a short time frame. We analyzed the kinematic time series data (e.g., speed) for a set of drivers making left turns at intersections to predict whether the driver would stop before executing the turn...
July 20, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28734725/estrogen-receptor-alpha-is-required-in-gabaergic-but-not-glutamatergic-neurons-to-masculinize-behavior
#7
Melody V Wu, Jessica Tollkuhn
Masculinization of the altricial rodent brain is driven by estrogen signaling during a perinatal critical period. Genetic deletion of estrogen receptor alpha (Esr1/ERα) results in altered hypothalamic-pituitary-gonadal (HPG) axis signaling and a dramatic reduction of male sexual and territorial behaviors. However, the role of ERα in masculinizing distinct classes of neurons remains unexplored. We deleted ERα in excitatory or inhibitory neurons using either a Vglut2 or Vgat driver and assessed male behaviors...
July 20, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28733194/breast-cancer-molecular-stratification-from-intrinsic-subtypes-to-integrative-clusters
#8
REVIEW
Hege G Russnes, Ole Christian Lingjærde, Anne-Lise Børresen-Dale, Carlos Caldas
Breast carcinomas can be stratified into different entities based on clinical behavior, histological features and/or by biological properties. A classification of breast cancer should be based on underlying biology, which we know must be determined by the somatic genomic landscape of mutations. Moreover, as the latest generations of anti-cancer agents are founded on biological mechanisms, a detailed molecular stratification is a requirement for appropriate clinical management. Such stratification, based on genomic drivers, will be important for selecting patients for clinical trials...
July 18, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28729711/an-ecological-and-digital-epidemiology-analysis-on-the-role-of-human-behavior-on-the-2014-chikungunya-outbreak-in-martinique
#9
Benjamin Roche, Béatrice Gaillard, Lucas Léger, Renélise Pélagie-Moutenda, Thomas Sochacki, Bernard Cazelles, Martine Ledrans, Alain Blateau, Didier Fontenille, Manuel Etienne, Frédéric Simard, Marcel Salathé, André Yébakima
Understanding the spatio-temporal dynamics of endemic infections is of critical importance for a deeper understanding of pathogen transmission, and for the design of more efficient public health strategies. However, very few studies in this domain have focused on emerging infections, generating a gap of knowledge that hampers epidemiological response planning. Here, we analyze the case of a Chikungunya outbreak that occurred in Martinique in 2014. Using time series estimates from a network of sentinel practitioners covering the entire island, we first analyze the spatio-temporal dynamics and show that the largest city has served as the epicenter of this epidemic...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28725385/do-movement-behaviors-identify-reproductive-habitat-sampling-for-wild-turkeys
#10
Mason D Conley, Nathan A Yeldell, Michael J Chamberlain, Bret A Collier
Selection of habitats has regularly been suggested to influence species demography at both local and broad scales. The expectation is that selection behaviors have positive benefits via greater fitness or increased survival. The current paradigm of habitat selection theory suggests a hierarchical process, where an individual first selects where they choose to live (e.g., range) and then searches and selects locations within this range meeting life history needs. Using high-frequency GPS data collected from reproductively active Rio Grande (n = 21) and Eastern (n = 23) wild turkeys, we evaluated a long-standing theory for ground-nesting galliformes, in that movements during the prenesting period are behaviorally focused on sampling available habitats to optimize the selection of nesting sites...
October 2016: Ecology and Evolution
https://www.readbyqxmd.com/read/28724703/hormonal-responsiveness-to-stress-is-negatively-associated-with-vulnerability-to-angling-capture-in-fish
#11
Michael J Louison, Shivani Adhikari, Jeffrey A Stein, Cory D Suski
Differences in behavior and physiology amongst individuals often alter relative fitness levels in the environment. However, the ideal behavioral/physiological phenotype in a given environment may be altered by human activity, leading to an evolutionary response in the affected population. One example of this process can be found in fisheries (including recreational freshwater fisheries), where selective capture and harvest of individuals with certain phenotypes can drive evolutionary change. While some life history traits and behavioral tendencies influencing capture likelihood have been studied, the physiological mechanisms driving this vulnerability remain poorly understood...
July 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28722640/the-role-of-risk-proximity-in-the-beliefs-and-behaviors-related-to-mosquito-borne-diseases-the-case-of-chikungunya-in-french-guiana
#12
Claude Flamand, Camille Fritzell, Pauline Obale, Philippe Quenel, Jocelyn Raude
Human behaviors are increasingly recognized to play a key role in the spread of infectious diseases. Although a set of social and cognitive determinants has been consistently found to affect the adoption of health protective behaviors aiming to control and prevent a variety of infections, little is currently known about the ecological drivers of these behaviors in epidemic settings. In this article, we took advantage of the outbreak of chikungunya, a reemerging mosquito-borne disease, that occurred in French Guiana in 2014-15 to test empirically the assumption proposed by Zielinski-Gutierrez and Hayden that the proximity of the disease and perceptions of the natural environment may considerably shape public response to an emerging health threat...
June 12, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28722590/a-qualitative-study-of-provider-perceptions-of-influences-on-uptake-of-pediatric-hospital-guidelines-in-lao-pdr
#13
Amy Z Gray, Douangdao Soukaloun, Bandith Soumphonphakdy
Strategies to improve the quality of hospital care are needed if ongoing gains in child health and survival are to be made. We previously reported on improvements in the quality of case management in hospitals following a guideline-based intervention in Lao PDR, with variation in the degree of change achieved between clinical conditions. This study aims to understand the factors that influenced the uptake of the guideline-based intervention, and its impact on care. This qualitative study was embedded in a mixed-methods evaluation of guideline implementation in nine hospitals in Lao PDR...
June 12, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28720799/reduced-ultrafine-particle-levels-in-s%C3%A3-o-paulo-s-atmosphere-during-shifts-from-gasoline-to-ethanol-use
#14
Alberto Salvo, Joel Brito, Paulo Artaxo, Franz M Geiger
Despite ethanol's penetration into urban transportation, observational evidence quantifying the consequence for the atmospheric particulate burden during actual, not hypothetical, fuel-fleet shifts, has been lacking. Here we analyze aerosol, meteorological, traffic, and consumer behavior data and find, empirically, that ambient number concentrations of 7-100-nm diameter particles rise by one-third during the morning commute when higher ethanol prices induce 2 million drivers in the real-world megacity of São Paulo to substitute to gasoline use (95% confidence intervals: +4,154 to +13,272 cm(-3))...
July 18, 2017: Nature Communications
https://www.readbyqxmd.com/read/28719829/detection-of-driver-engagement-in-secondary-tasks-from-observed-naturalistic-driving-behavior
#15
Mengqiu Ye, Osama A Osman, Sherif Ishak, Bita Hashemi
Distracted driving has long been acknowledged as one of the leading causes of death or injury in roadway crashes. The focus of past research has been mainly on the impact of different causes of distraction on driving behavior. However, only a few studies attempted to address how some driving behavior attributes could be linked to the cause of distraction. In essence, this study takes advantage of the rich SHRP 2 Naturalistic Driving Study (NDS) database to develop a model for detecting the likelihood of a driver's involvement in secondary tasks from distinctive attributes of driving behavior...
July 15, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28719285/trial-of-a-novel-intervention-to-improve-multiple-food-hygiene-behaviors-in-nepal
#16
Om Prasad Gautam, Wolf-Peter Schmidt, Sandy Cairncross, Sue Cavill, Valerie Curtis
AbstractIn this study, we report on the results of a trial of an intervention to improve five food hygiene behaviors among mothers of young children in rural Nepal. This novel intervention targeted five behaviors; cleanliness of serving utensils, handwashing with soap before feeding, proper storage of cooked food, and thorough reheating and water treatment. Based on formative research and a creative process using the Behavior-Centered Design approach, an innovative intervention package was designed and delivered over a period of 3 months...
June 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28718089/eye-blink-detection-for-different-driver-states-in-conditionally-automated-driving-and-manual-driving-using-eog-and-a-driver-camera
#17
Jürgen Schmidt, Rihab Laarousi, Wolfgang Stolzmann, Katja Karrer-Gauß
In this article, we examine the performance of different eye blink detection algorithms under various constraints. The goal of the present study was to evaluate the performance of an electrooculogram- and camera-based blink detection process in both manually and conditionally automated driving phases. A further comparison between alert and drowsy drivers was performed in order to evaluate the impact of drowsiness on the performance of blink detection algorithms in both driving modes. Data snippets from 14 monotonous manually driven sessions (mean 2 h 46 min) and 16 monotonous conditionally automated driven sessions (mean 2 h 45 min) were used...
July 17, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28716962/gamma-oscillations-in-the-rat-ventral-striatum-originate-in-the-piriform-cortex
#18
James E Carmichael, Jimmie M Gmaz, Matthijs A A van der Meer
Local field potentials (LFPs) recorded from the human and rodent ventral striatum (vStr) exhibit prominent, behaviorally relevant gamma-band oscillations. These oscillations are related to local spiking activity and transiently synchronize with anatomically related areas, suggesting a possible role in organizing vStr activity. However, the origin of vStr gamma is unknown. We recorded vStr gamma oscillations across a 1.4mm(2) grid spanned by 64 recording electrodes as male rats rested and foraged for rewards, revealing a highly consistent power gradient originating in the adjacent piriform cortex...
July 17, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28716887/cell-cell-contact-and-receptor-tyrosine-kinase-signaling
#19
Christine Chiasson-MacKenzie, Andrea I McClatchey
The behavior of cells within tissues is governed by the activities of adhesion receptors that provide spatial cues and transmit forces through intercellular junctions, and by growth-factor receptors, particularly receptor tyrosine kinases (RTKs), that respond to biochemical signals from the environment. Coordination of these two activities is essential for the patterning and polarized migration of cells during morphogenesis and for homeostasis in mature tissues; loss of this coordination is a hallmark of developing cancer and driver of metastatic progression...
July 17, 2017: Cold Spring Harbor Perspectives in Biology
https://www.readbyqxmd.com/read/28713088/-pathogenic-factors-of-regulatory-mechanisms-of-organism-adaptation-to-conditions-with-a-high-level-of-psychoemotional-load
#20
Oksana V Gorsha, Vasily I Gorsha
INTRODUCTION: The urgency of the issue is determined by the value of the stress impact of environmental conditions on workers of the operator personnel contingent, because the deterioration of their health and well-being is a factor in dangerous situations. However, the search for early diagnostic markers forming diseases, with a view to their prevention, is still a challenge. The aim was to establish the most important (among studied) pathogenetic factors of status of regulatory mechanisms of adaptation of individuals with a high level of psychoemotional load that is conditional upon profession...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
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