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https://www.readbyqxmd.com/read/28437451/predicting-explorative-motor-learning-using-decision-making-and-motor-noise
#1
Xiuli Chen, Kieran Mohr, Joseph M Galea
A fundamental problem faced by humans is learning to select motor actions based on noisy sensory information and incomplete knowledge of the world. Recently, a number of authors have asked whether this type of motor learning problem might be very similar to a range of higher-level decision-making problems. If so, participant behaviour on a high-level decision-making task could be predictive of their performance during a motor learning task. To investigate this question, we studied performance during an explorative motor learning task and a decision-making task which had a similar underlying structure with the exception that it was not subject to motor (execution) noise...
April 24, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28436880/a-human-robot-co-manipulation-approach-based-on-human-sensorimotor-information
#2
Luka Peternel, Nikos Tsagarakis, Arash Ajoudani
This paper aims to improve the interaction and coordination between the human and the robot in cooperative execution of complex, powerful and dynamic tasks. We propose a novel approach that integrates online information about the human motor function and manipulability properties into the hybrid controller of the assistive robot. Through this human-inthe- loop framework, the robot can adapt to the human motor behaviour and provide the appropriate assistive response in different phases of the cooperative task...
April 17, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28436735/risk-and-safety-perception-on-urban-and-rural-roads-effects-of-environmental-features-driver-age-and-risk-sensitivity
#3
Jolene A Cox, Vanessa Beanland, Ashleigh J Filtness
OBJECTIVE: The ability to detect changing visual information is a vital component of safe driving. In addition to detecting changing visual information, drivers must also interpret its relevance to safety. Environmental changes considered to have high safety relevance will likely demand greater attention and more timely responses than those considered to have lower safety relevance. The aim of the present study was to explore factors that are likely to influence perceptions of risk and safety regarding changing visual information in the driving environment...
February 21, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28436083/the-added-value-of-world-views-over-self-views-predicting-modest-behaviour-in-eastern-and-western-cultures
#4
Sylvia Xiaohua Chen, Jacky C K Ng, Emma E Buchtel, Yanjun Guan, Hong Deng, Michael Harris Bond
Personality research has been focused on different aspects of the self, including traits, attitudes, beliefs, goals, and motivation. These aspects of the self are used to explain and predict social behaviour. The present research assessed generalized beliefs about the world, termed 'social axioms' (Leung et al., ), and examined their additive power over beliefs about the self in explaining a communal behaviour, that is, modesty. Three studies predicted reported modest behaviour among Mainland Chinese, Hong Kong Chinese, East Asian Canadians, and European Canadians...
April 24, 2017: British Journal of Social Psychology
https://www.readbyqxmd.com/read/28435048/morella-serrata-lam-killick-stabilizes-biomembrane-and-rejuvenates-sexual-competence-in-male-wistar-rats
#5
S Sabiu, Aot Ashafa
ETHNOPHARMACOLOGICAL RELEVANCE: Morella serrata L. is an indigenous medicinal plant to South and southern Africa with folkloric applications as aphrodisiac, laxative, antimicrobial, anti-inflammatory, analgesic, anti-hypertensive, antitussive and antidiabetic agent. AIM OF THE STUDY: This study evaluated the membrane stabilization and aphrodisiac potentials of its aqueous root extract in male Wistar rats. MATERIALS AND METHODS: While the membrane stabilization of the extract was investigated against bovine erythrocytes (BE), the male rats for the aphrodisiac study were randomized into five groups with animals in group 1 given sterile placebo and served as control...
April 20, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28434197/multi-modal-signalling-in-estrildid-finches-song-dance-and-colour-are-associated-with-different-ecological-and-life-history-traits
#6
Ana Cristina R Gomes, Caterina Funghi, Masayo Soma, Michael D Sorenson, Gonçalo C Cardoso
Sexual traits (e.g., visual ornaments, acoustic signals, courtship behaviour) are often displayed together as multi-modal signals. Some hypotheses predict joint evolution of different sexual signals (e.g., to increase the efficiency of communication), or that different signals trade-off with each other (e.g., due to limited resources). Alternatively, multiple signals may evolve independently for different functions, or to communicate different information (multiple message hypothesis). We evaluated these hypotheses with a comparative study in the family Estrildidae, one of the largest songbird radiations, and one that includes many model species for research in sexual selection and communication...
April 23, 2017: Journal of Evolutionary Biology
https://www.readbyqxmd.com/read/28434185/can-targeted-policies-reduce-obesity-and-improve-obesity-related-behaviours-in-socioeconomically-disadvantaged-populations-a-systematic-review
#7
REVIEW
D L Olstad, R Ancilotto, M Teychenne, L M Minaker, D R Taber, K D Raine, C I J Nykiforuk, K Ball
This review synthesized evidence from controlled studies pertaining to the impact of targeted policies on anthropometric, dietary and physical activity outcomes amongst socioeconomically disadvantaged children and adults. Preferred Reporting Items for Systematic Reviews and Meta-Analyses-Equity guidelines were followed. Eligible studies were published from 2004 to August 2015 and examined the impact of targeted policies on anthropometric, dietary and physical activity outcomes amongst socioeconomically disadvantaged populations...
April 23, 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28433606/in-silico-methods-for-co-transcriptional-rna-secondary-structure-prediction-and-for-investigating-alternative-rna-structure-expression
#8
REVIEW
Irmtraud M Meyer
RNA transcripts are the primary products of active genes in any living organism, including many viruses. Their cellular destiny not only depends on primary sequence signals, but can also be determined by RNA structure. Recent experimental evidence shows that many transcripts can be assigned more than a single functional RNA structure throughout their cellular life and that structure formation happens co-transcriptionally, i.e. as the transcript is synthesised in the cell. Moreover, functional RNA structures are not limited to non-coding transcripts, but can also feature in coding transcripts...
April 19, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28431345/insights-into-targeting-young-male-drivers-with-anti-speeding-advertising-an-application-of-the-step-approach-to-message-design-and-testing-satmdt
#9
I Lewis, K M White, B Ho, B Elliott, B Watson
In Australia, young drivers aged 17-25 years comprise 13% of the population yet account for 22% of all road deaths with young males over-represented in such trauma. Speeding represents a major contributing factor and advertising campaigns have long focused on promoting anti-speeding messages in the effort to reduce drivers' speeds. Positioned within a larger program of research aimed at developing, piloting, and evaluating a range of theoretically-informed anti-speeding messages, the current study reports results relating to the final phase of the research, the evaluation...
April 18, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28430978/culture-matters-indigenizing-patient-safety-in-bhutan
#10
Rinchen Pelzang, Megan-Jane Johnstone, Alison M Hutchinson
Studies show that if quality of healthcare in a country is to be achieved, due consideration must be given to the importance of the core cultural values as a critical factor in improving patient safety outcomes. The influence of Bhutan's traditional (core) cultural values on the attitudes and behaviours of healthcare professionals regarding patient care are not known. This study aimed to explore the possible influence of Bhutan's traditional cultural values on staff attitudes towards patient safety and quality care...
April 17, 2017: Health Policy and Planning
https://www.readbyqxmd.com/read/28430961/whether-people-believe-that-overweight-is-unhealthy-depends-on-their-bmi
#11
Simone Dohle, Tamara Bucher
An online experiment with 536 participants was conducted to investigate how people who differ in body weight perceive scientific information on body weight and mortality. The results showed that individuals who were aware that they are overweight were more inclined to trust a study that showed that overweight reduces mortality (P < 0.001). This finding is relevant as the BMI-mortality association remains a matter of scientific and public debate and people's risk perceptions influences their willingness to change behaviour...
April 18, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/28430137/parent-partner-co-parent-or-partnership-the-need-for-clarity-as-family-systems-thinking-takes-hold-in-the-quest-to-motivate-behavioural-change
#12
Chris May, Li Kheng Chai, Tracy Burrows
Research is increasingly pointing to the importance of extending the focus of childhood obesity intervention to include fathers, fathering figures, and other members of a child's primary parenting network. Advances in communication technology are now making it possible to achieve this aim, within current resources, using modalities such text messaging, web-based resources and apps that extend intervention to parents not in attendance at face to face interactions. However, published research is often unclear as to which parent/s they targeted or engaged with, whether interventions planned to influence behaviours and capabilities across family systems, and how this can be achieved...
April 21, 2017: Children
https://www.readbyqxmd.com/read/28429915/adolescent-women-as-a-key-target-population-for-community-nutrition-education-programs-in-indonesia
#13
Amy Savage, Judhiastuty Februhartanty, Anthony Worsley
BACKGROUND AND OBJECTIVES: Adolescence is a critical life-stage that sets the foundation for health in adulthood. Adolescent women are a unique population and should be targeted as such for nutrition promotion activities. Using Indonesia as a case study, this qualitative study aimed to identify existing nutrition promotion programs aimed at adolescent girls, how best to target this population and effective recommendations to inform nutrition education program design for this important group...
May 2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28428563/a-sublethal-dose-of-a-neonicotinoid-insecticide-disrupts-visual-processing-and-collision-avoidance-behaviour-in-locusta-migratoria
#14
Rachel H Parkinson, Jacelyn M Little, John R Gray
Neonicotinoids are known to affect insect navigation and vision, however the mechanisms of these effects are not fully understood. A visual motion sensitive neuron in the locust, the Descending Contralateral Movement Detector (DCMD), integrates visual information and is involved in eliciting escape behaviours. The DCMD receives coded input from the compound eyes and monosynaptically excites motorneurons involved in flight and jumping. We show that imidacloprid (IMD) impairs neural responses to visual stimuli at sublethal concentrations, and these effects are sustained two and twenty-four hours after treatment...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28427405/ceiling-effect-in-emr-system-assimilation-a-multiple-case-study-in-primary-care-family-practices
#15
Marie-Claude Trudel, Josianne Marsan, Guy Paré, Louis Raymond, Ana Ortiz de Guinea, Éric Maillet, Thomas Micheneau
BACKGROUND: There has been indisputable growth in adoption of electronic medical record (EMR) systems in the recent years. However, physicians' progress in using these systems has stagnated when measured with maturity scales. While this so-called ceiling effect has been observed and its consequences described in previous studies, there is a paucity of research on the elements that could explain such an outcome. We first suggest that in the context of EMR systems we are in presence of a "tiered ceiling effect" and then we show why such phenomenon occurs...
April 20, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/28427396/demdata-the-austrian-czech-institutional-long-term-care-project-design-and-protocol-of-a-two-centre-cross-sectional-study
#16
Stefanie Auer, Elisabeth Linsmayer, Anna Beránková, Patrick Pascher, Bernadette Firlinger, Doris Prischl, Paulina Ratajczak, Edith Span, Iva Holmerova
BACKGROUND: The organization of long-term care is one of the main challenges of public health and health policies in Europe and worldwide, especially in terms of care concepts for people with dementia. In Austria and the Czech Republic the majority of elderly institutionalized persons with dementia are cared for in nursing homes. It is however unclear, how many persons living in nursing homes in Austria and in the Czech Republic are suffering from cognitive impairment and dementia. In addition, basic information on the nutritional status, the status of mobility and the medication prescription patterns are often missing...
April 20, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28427380/the-stepping-stones-and-creating-futures-intervention-to-prevent-intimate-partner-violence-and-hiv-risk-behaviours-in-durban-south-africa-study-protocol-for-a-cluster-randomized-control-trial-and-baseline-characteristics
#17
Andrew Gibbs, Laura Washington, Samantha Willan, Nolwazi Ntini, Thobani Khumalo, Nompumelelo Mbatha, Yandisa Sikweyiya, Nwabisa Shai, Esnat Chirwa, Michael Strauss, Giulia Ferrari, Rachel Jewkes
BACKGROUND: Preventing intimate partner violence (IPV) remains a global public health challenge. Studies suggest urban informal settlements have particularly high levels of IPV and HIV-prevalence and these settlements are rapidly growing. The current evidence base of effective approaches to preventing IPV recognizes the potential of combining economic strengthening and gender transformative interventions. However, few of these interventions have been done in urban informal settlements, and almost none have included men as direct recipients of these interventions...
April 20, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28425439/activation-of-the-hypothalamic-feeding-centre-upon-visual-prey-detection
#18
Akira Muto, Pradeep Lal, Deepak Ailani, Gembu Abe, Mari Itoh, Koichi Kawakami
The visual system plays a major role in food/prey recognition in diurnal animals, and food intake is regulated by the hypothalamus. However, whether and how visual information about prey is conveyed to the hypothalamic feeding centre is largely unknown. Here we perform real-time imaging of neuronal activity in freely behaving or constrained zebrafish larvae and demonstrate that prey or prey-like visual stimuli activate the hypothalamic feeding centre. Furthermore, we identify prey detector neurons in the pretectal area that project to the hypothalamic feeding centre...
April 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/28425433/prior-context-in-audition-informs-binding-and-shapes-simple-features
#19
Claire Chambers, Sahar Akram, Vincent Adam, Claire Pelofi, Maneesh Sahani, Shihab Shamma, Daniel Pressnitzer
A perceptual phenomenon is reported, whereby prior acoustic context has a large, rapid and long-lasting effect on a basic auditory judgement. Pairs of tones were devised to include ambiguous transitions between frequency components, such that listeners were equally likely to report an upward or downward 'pitch' shift between tones. We show that presenting context tones before the ambiguous pair almost fully determines the perceived direction of shift. The context effect generalizes to a wide range of temporal and spectral scales, encompassing the characteristics of most realistic auditory scenes...
April 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/28424898/patient-experiences-of-swallowing-exercises-after-head-and-neck-cancer-a-qualitative-study-examining-barriers-and-facilitators-using-behaviour-change-theory
#20
Roganie Govender, Caroline E Wood, Stuart A Taylor, Christina H Smith, Helen Barratt, Benjamin Gardner
Poor patient adherence to swallowing exercises is commonly reported in the dysphagia literature on patients treated for head and neck cancer. Establishing the effectiveness of exercise interventions for this population may be undermined by patient non-adherence. The purpose of this study was to explore the barriers and facilitators to exercise adherence from a patient perspective, and to determine the best strategies to reduce the barriers and enhance the facilitators. In-depth interviews were conducted on thirteen patients...
April 19, 2017: Dysphagia
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