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https://www.readbyqxmd.com/read/28817636/uncovering-robust-patterns-of-microrna-co-expression-across-cancers-using-bayesian-relevance-networks
#1
Parameswaran Ramachandran, Daniel Sánchez-Taltavull, Theodore J Perkins
Co-expression networks have long been used as a tool for investigating the molecular circuitry governing biological systems. However, most algorithms for constructing co-expression networks were developed in the microarray era, before high-throughput sequencing-with its unique statistical properties-became the norm for expression measurement. Here we develop Bayesian Relevance Networks, an algorithm that uses Bayesian reasoning about expression levels to account for the differing levels of uncertainty in expression measurements between highly- and lowly-expressed entities, and between samples with different sequencing depths...
2017: PloS One
https://www.readbyqxmd.com/read/28817565/peer-violence-perpetration-and-victimization-prevalence-associated-factors-and-pathways-among-1752-sixth-grade-boys-and-girls-in-schools-in-pakistan
#2
Rozina Karmaliani, Judith Mcfarlane, Rozina Somani, Hussain Maqbool Ahmed Khuwaja, Shireen Shehzad Bhamani, Tazeen Saeed Ali, Saleema Gulzar, Yasmeen Somani, Esnat D Chirwa, Rachel Jewkes
BACKGROUND: Child peer violence is a global problem and seriously impacts health and education. There are few research studies available in Pakistan, or South Asia. We describe the prevalence of peer violence, associations, and pathways between socio-economic status, school performance, gender attitudes and violence at home. METHODS: 1752 children were recruited into a cluster randomized controlled trial conducted on 40 fairly homogeneous public schools (20 for girls and 20 for boys), in Hyderabad, Pakistan...
2017: PloS One
https://www.readbyqxmd.com/read/28816680/admm-based-algorithm-for-training-fault-tolerant-rbf-networks-and-selecting-centers
#3
Hao Wang, Ruibin Feng, Zi-Fa Han, Chi-Sing Leung
In the training stage of radial basis function (RBF) networks, we need to select some suitable RBF centers first. However, many existing center selection algorithms were designed for the fault-free situation. This brief develops a fault tolerant algorithm that trains an RBF network and selects the RBF centers simultaneously. We first select all the input vectors from the training set as the RBF centers. Afterward, we define the corresponding fault tolerant objective function. We then add an ℓ₁-norm term into the objective function...
August 15, 2017: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/28816671/matched-shrunken-cone-detector-mscd-bayesian-derivations-and-case-studies-for-hyperspectral-target-detection
#4
Ziyu Wang, Rui Zhu, Kazuhiro Fukui, Jing-Hao Xue
Hyperspectral images (HSIs) possess non-negative properties for both hyperspectral signatures and abundance coefficients, which can be naturally modelled using cone-based representation. However, in hyperspectral target detection, conebased methods are barely studied. In this paper, we propose a new regularised cone-based representation approach to hyperspectral target detection, as well as its two working models by incorporating into the cone representation l2-norm and l1- norm regularisations, respectively...
August 16, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28816662/distortion-aware-correlation-tracking
#5
Hanhui Li, Hefeng Wu, Huifang Zhang, Shujin Lin, Xiaonan Luo, Ruomei Wang
Recently, correlation filter (CF) based tracking methods have attracted considerable attention because of their high-speed performance. However, distortion, which refers to the phenomenon that the correlation outputs of CF based trackers are distorted, remains a major obstacle for these methods. In this paper, we propose a Distortion-Aware Correlation Filter (DACF) framework, which can detect distortions and recover from tracking failures. Our framework employs a simple yet effective feature termed normed correlation response to detect distortions...
August 14, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28816493/consequences-norms-and-generalized-inaction-in-moral-dilemmas-the-cni-model-of-moral-decision-making
#6
Bertram Gawronski, Joel Armstrong, Paul Conway, Rebecca Friesdorf, Mandy Hütter
Research on moral dilemma judgments has been fundamentally shaped by the distinction between utilitarianism and deontology. According to the principle of utilitarianism, the moral status of behavioral options depends on their consequences; the principle of deontology states that the moral status of behavioral options depends on their consistency with moral norms. To identify the processes underlying utilitarian and deontological judgments, researchers have investigated responses to moral dilemmas that pit one principle against the other (e...
September 2017: Journal of Personality and Social Psychology
https://www.readbyqxmd.com/read/28816385/contrasting-physiological-responses-to-future-ocean-acidification-among-arctic-copepod-populations
#7
Peter Thor, Allison Bailey, Sam Dupont, Piero Calosi, Janne E Søreide, Pierre De Wit, Ella Guscelli, Lea Loubet-Sartrou, Ida Marie Deichmann, Martin M Candee, Camilla Svensen, Andrew L King, Richard G J Bellerby
Widespread ocean acidification (OA) is modifying the chemistry of the global ocean, and the Arctic is recognised as the region where the changes will progress at the fastest rate. Moreover, Arctic species show lower capacity for cellular homeostasis and acid-base regulation rendering them particularly vulnerable to OA. In the present study, we found physiological differences in OA response across geographically separated populations of the keystone Arctic copepod Calanus glacialis. In copepodite stage CIV, measured reaction norms of ingestion rate and metabolic rate showed severe reductions in ingestion and increased metabolic expenses in two populations from Svalbard (Kongsfjord and Billefjord) whereas no effects were observed in a population from the Disko Bay, West Greenland...
August 17, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28816058/tscc-and-tscyc-screening-forms-in-a-clinical-sample-reliability-validity-and-creating-local-clinical-norms
#8
Jeffrey N Wherry, Catherine E Dunlop
Clinical norms were developed for two screening tools recently developed by Briere and published by Psychological Assessment Resources. The screening measures were derived from the most predictive items of the Trauma Symptom Checklist for Children (TSCC) and the Trauma Symptom Checklist for Young Children (TSCYC). Both screening measures (TSCC-Screening Form and TSCYC-Screening Form) have a total of 20 items measuring general trauma (12 items) and sexual concerns (8 items). Briere and Wherry report on the reliability and validity of the instrument when used with a normative group of children who are not identified as abused...
January 1, 2017: Child Maltreatment
https://www.readbyqxmd.com/read/28814473/breaking-boundaries-optimizing-reconsolidation-based-interventions-for-strong-and-old-memories
#9
James W B Elsey, Merel Kindt
Recent research has demonstrated that consolidated memories can enter a temporary labile state after reactivation, requiring restabilization in order to persist. This process, known as reconsolidation, potentially allows for the modification and disruption of memory. Much interest in reconsolidation stems from the possibility that maladaptive memory traces-a core feature of several psychiatric conditions-could be tackled by disrupting their reconsolidation. However, research has indicated a range of supposed boundary conditions on the induction of reconsolidation...
September 2017: Learning & Memory
https://www.readbyqxmd.com/read/28814017/assessment-of-lower-arm-movements-using-one-inertial-sensor
#10
Fokke B van Meulen, Bert-Jan F van Beijnum, Jaap H Buurke, Peter H Veltink
Reduction of the number of sensors needed to evaluate arm movements, makes a system for the assessment of human body movements more suitable for clinical practice and daily life assessments. In this study, we propose an algorithm to reconstruct lower arm orientation, velocity and position, based on a sensing system which consists of only one inertial measurement unit (IMU) to the forearm. Lower arm movements were reconstructed using a single IMU and assuming that within a measurement there are moments without arm movements...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813555/analysis-of-item-level-bias-in-the-bayley-iii-language-subscales-the-validity-and-utility-of-standardized-language-assessment-in-a-multilingual-setting
#11
Shaun K Y Goh, Elaine K H Tham, Iliana Magiati, Litwee Sim, Shamini Sanmugam, Anqi Qiu, Mary L Daniel, Birit F P Broekman, Anne Rifkin-Graboi
Purpose: The purpose of this study was to improve standardized language assessments among bilingual toddlers by investigating and removing the effects of bias due to unfamiliarity with cultural norms or a distributed language system. Method: The Expressive and Receptive Bayley-III language scales were adapted for use in a multilingual country (Singapore). Differential item functioning (DIF) was applied to data from 459 two-year-olds without atypical language development...
August 15, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28813363/psychosocial-factors-and-sport-injuries-prediction-prevention-and-future-research-directions
#12
REVIEW
Urban Johnson, Andreas Ivarsson
This review provides an overview of recent theoretical and empirical developments regarding psychosocial factors related to the prediction and prevention of sport injuries, and highlights some of the most interesting areas of investigation that have been carried out in the past few years. For instance, a systematic review of the most cited and used theoretical framework in the field has recently been performed, which supports the model's suggestion that psychosocial variables, as well as psychologically based interventions, can influence injury risk among athletes...
August 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28813168/examining-women-s-alcohol-consumption-the-theory-of-planned-behavior-and-self-identity
#13
Helen M Haydon, Patricia L Obst, Ioni Lewis
BACKGROUND: Changing trends demonstrate that women, in several economically developed countries, are drinking at higher levels than ever before. OBJECTIVE: This study applied an extended Theory of Planned Behavior (TPB), including self-identity, to examine women's intentions to consume alcohol. METHODS: Women (N = 1069) aged 18-87 years, completed a questionnaire measuring their intentions to engage in binge drinking and frequent drinking...
August 16, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28812807/health-technology-assessment-global-advocacy-and-local-realities-comment-on-priority-setting-for-universal-health-coverage-we-need-evidence-informed-deliberative-processes-not-just-more-evidence-on-cost-effectiveness
#14
Kalipso Chalkidou, Ryan Li, Anthony J Culyer, Amanda Glassman, Karen J Hofman, Yot Teerawattananon
Cost-effectiveness analysis (CEA) can help countries attain and sustain universal health coverage (UHC), as long as it is context-specific and considered within deliberative processes at the country level. Institutionalising robust deliberative processes requires significant time and resources, however, and countries often begin by demanding evidence (including local CEA evidence as well as evidence about local values), whilst striving to strengthen the governance structures and technical capacities with which to generate, consider and act on such evidence...
August 29, 2016: International Journal of Health Policy and Management
https://www.readbyqxmd.com/read/28812448/peer-network-influence-on-intimate-partner-violence-perpetration-among-urban-tanzanian-men
#15
Marta I Mulawa, Lusajo J Kajula, Suzanne Maman
Male perpetration of intimate partner violence (IPV) against women in Tanzania is widespread. Theory and empirical evidence suggest peer networks may play an important role in shaping IPV perpetration, although research on this topic in sub-Saharan Africa is limited. Grounded in social learning theory, social influence theory, and the theory of gender and power, the purpose of this study was to examine whether and how peer networks influence men's perpetration of IPV in Dar es Salaam, Tanzania. We conducted in-depth interviews (n = 40) with a sub-sample of 20 men enrolled in the control condition of an ongoing cluster-randomised controlled trial...
August 16, 2017: Culture, Health & Sexuality
https://www.readbyqxmd.com/read/28812377/a-cross-sectional-study-of-coping-resources-and-mental-health-of-chinese-older-adults-in-the-united-states
#16
Man Guo, Nadia Sabbagh Steinberg, Xinqi Dong, Agnes Tiwari
OBJECTIVES: This study examined the potential influence of coping resources at individual (sense of mastery), family (spousal and family support, children's filial piety), and community levels (community cohesion) on the mental health (depression, anxiety) of U.S. Chinese older adults. METHODS: The data were derived from the Population Study of Chinese Elderly in Chicago (N= 3,159). Negative binomial regressions were performed to predict depression and anxiety, respectively, by entering the three sets of coping resources separately and jointly, controlling for socio-demographic and acculturation variables...
August 16, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/28811365/a-model-explaining-the-matrilateral-bias-in-alloparental-investment
#17
Gretchen Perry, Martin Daly
Maternal grandmothers invest more in childcare than paternal grandmothers. This bias is large where the expression of preferences is unconstrained by residential and lineage norms, and is detectable even where marriage removes women from their natal families. We maintain that the standard evolutionary explanation, paternity uncertainty, is incomplete, and present an expanded model incorporating effects of alloparents on the mother as well as on her children. Alloparenting lightens a mother's load and increases her residual nepotistic value: her expected fitness from later investments in personal reproduction and in her natal relatives...
August 15, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28810938/social-norms-for-intimate-partner-violence-a-replication-with-college-students
#18
Tricia Witte, Christine Hackman, Mazheruddin Mulla
This study replicated prior research on college students' perceived descriptive norms (i.e., prevalence estimates) forintimate partner violence (IPV). In this study, male and female college students were instructed to estimate the prevalence of physical forms of IPV for "typical students" of their same gender on campus. Perpetrators of IPV-both male and female-made higher estimates than nonperpetrators. When compared to actual prevalence rates, both perpetrators and nonperpetrators overestimated the prevalence of IPV on campus...
August 15, 2017: Violence and Victims
https://www.readbyqxmd.com/read/28810812/are-perceptions-of-social-norms-regarding-peer-alcohol-and-other-drug-use-associated-with-personal-use-in-danish-adolescents
#19
Lotte Vallentin-Holbech, Birthe Marie Rasmussen, Christiane Stock
AIMS: This study aims to describe norm perceptions among Danish pupils aged 13-17 years related to the prevalence of personal lifetime use of alcohol and other drugs (AODs). Further we examined if norm perceptions were associated with personal lifetime AOD use. METHOD: The data were collected as baseline data in the trial The GOOD Life. A total of 2601 pupils from 42 public schools in the Region of Southern Denmark completed an online questionnaire measuring personal lifetime AOD use and personal approval of use...
August 1, 2017: Scandinavian Journal of Public Health
https://www.readbyqxmd.com/read/28810461/a-journey-to-hiv-prevention-research-from-social-psychology-to-social-health-via-multidisciplinarity
#20
Susan Kippax
This article is a personal account of my research in HIV prevention and how and why I navigated my way from social psychology to 'social health' via multidisciplinarity. My work in HIV prevention - from 1984 to the present day - developed my understandings of epistemology, building on and expanding the ways in which I undertook research. This article describes those whose writings and research influenced me and the input of colleagues and students. It also demonstrates my disquiet with the individualism of psychology as a way of thinking about what was needed to prevent HIV transmission...
May 1, 2017: Journal of Health Psychology
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