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https://www.readbyqxmd.com/read/28231627/factors-predicting-recovery-from-suicide-in-attempted-suicide-patients
#1
Fan-Ko Sun, Chu-Yun Lu, Yun Shan Tseng, Chun-Ying Chiang
AIMS AND OBJECTIVES: The aim of this study was to explore the factors predicting suicide recovery and to provide guidance for healthcare professionals when caring for individuals who have attempted suicide. BACKGROUND: The high rate of suicide is a global health problem. Suicide prevention has become an important issue in contemporary mental health. Most suicide research has focused on suicidal prevention and care. There is a lack of research on the factors predicting suicidal recovery DESIGN: A cross-sectional design was adopted...
February 23, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28231245/signalling-crosstalk-at-the-leading-edge-controls-tissue-closure-dynamics-in-the-drosophila-embryo
#2
Raphaël Rousset, Fabrice Carballès, Nadège Parassol, Sébastien Schaub, Delphine Cérézo, Stéphane Noselli
Tissue morphogenesis relies on proper differentiation of morphogenetic domains, adopting specific cell behaviours. Yet, how signalling pathways interact to determine and coordinate these domains remains poorly understood. Dorsal closure (DC) of the Drosophila embryo represents a powerful model to study epithelial cell sheet sealing. In this process, JNK (JUN N-terminal Kinase) signalling controls leading edge (LE) differentiation generating local forces and cell shape changes essential for DC. The LE represents a key morphogenetic domain in which, in addition to JNK, a number of signalling pathways converges and interacts (anterior/posterior -AP- determination; segmentation genes, such as Wnt/Wingless; TGFβ/Decapentaplegic)...
February 23, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28230205/parasitised-caterpillars-suffer-reduced-predation-potential-implications-for-intra-guild-predation
#3
Wen-Bin Chen, Liette Vasseur, Min-Sheng You, Jian-Yu Li, Cheng-Xiang Wang, Ruo-Xue Meng, Geoff M Gurr
Intra-guild predation (IGP) is an important phenomenon structuring ecological communities and affects the success of biological control. Here we show that parasitism by the koinobiont wasp Cotesia vestalis is associated with behavioural changes in its larval host (diamondback moth, Plutella xylostella) that reduce risk of IGP. Compared with unparasitised caterpillars, parasitised P. xylostella moved less frequently to new feeding patches on plants and were less likely to fall from the plant. Wolf spiders killed significantly fewer parasitised larvae...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28230097/evidence-for-risk-extrapolation-in-decision-making-by-tadpoles
#4
Adam L Crane, Maud C O Ferrari
Through time, the activity patterns, morphology, and development of both predators and prey change, which in turn alter the relative vulnerability of prey to their coexisting predators. Recognizing these changes can thus allow prey to make optimal decisions by projecting risk trends into the future. We used tadpoles (Lithobates sylvaticus) to test the hypothesis that tadpoles can extrapolate information about predation risk from past information. We exposed tadpoles to an odour that represented either a temporally consistent risk or an increasing risk...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28230081/direct-observation-of-oxygen-vacancy-driven-structural-and-resistive-phase-transitions-in-la2-3sr1-3mno3
#5
Lide Yao, Sampo Inkinen, Sebastiaan van Dijken
Resistive switching in transition metal oxides involves intricate physical and chemical behaviours with potential for non-volatile memory and memristive devices. Although oxygen vacancy migration is known to play a crucial role in resistive switching of oxides, an in-depth understanding of oxygen vacancy-driven effects requires direct imaging of atomic-scale dynamic processes and their real-time impact on resistance changes. Here we use in situ transmission electron microscopy to demonstrate reversible switching between three resistance states in epitaxial La2/3Sr1/3MnO3 films...
February 23, 2017: Nature Communications
https://www.readbyqxmd.com/read/28229913/increased-risk-of-developing-schizophrenia-in-animals-exposed-to-cigarette-smoke-during-the-gestational-period
#6
Alexandra I Zugno, Mariana B Oliveira, Gustavo A Mastella, Alexandra S A Heylmann, Lara Canever, Felipe D Pacheco, Louyse S Damazio, Sullivan A Citadin, Luiz Antonio de Lucca, Lutiana Roque Simões, Fernanda Malgarin, Josiane Budni, Tatiana Barichello, Patricia F Schuck, João Quevedo
Cigarette smoking during the prenatal period has been investigated as a causative factor of obstetric abnormalities, which lead to cognitive and behavioural changes associated with schizophrenia. The aim of this study was to investigate behaviour and AChE activity in brain structures in adult rats exposed to cigarette smoke during the prenatal period. Pregnant rats were divided into non-PCSE (non-prenatal cigarette smoke exposure) and PCSE (prenatal cigarette smoke exposure) groups. On post-natal day 60, the rats received saline or ketamine for 7days and were subjected to behavioural tasks...
February 13, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28229903/acute-and-subchronic-toxicity-studies-of-methanol-extract-of-polygonum-minus-leaves-in-sprague-dawley-rats
#7
Parayil Varghese Christapher, Subramani Parasuraman, Mohd Zaini Asmawi, Vikneswaran Murugaiyah
Medicinal plant preparations may contain high levels of toxic chemical constituents to potentially cause serious harm to animals and/or humans. Thus, toxicity studies are important to assess the toxic effects of plant derived products. Polygonum minus is used traditionally for different ailments in Southeast Asia. This study was conducted to establish the acute and subchronic toxicity profile of the methanol extract of P. minus leaves. The acute toxicity study showed that the methanol extract of P. minus is safe even at the highest dose tested of 2000 mg/kg in female Sprague Dawley rats...
February 13, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/28229807/using-psychoeducation-and-role-induction-to-improve-completion-rates-in-cognitive-behavioural-therapy
#8
Jaime Delgadillo, Martin Groom
BACKGROUND: Pre-treatment role induction interventions have been suggested to potentially enhance attendance and clinical outcomes in psychotherapy. AIMS: This study aimed to evaluate the effects of a programme of three transdiagnostic seminars (TDS) for patients with common mental disorders accessing cognitive behavioural therapy (CBT) in primary care. TDS included CBT psychoeducation and role induction. METHOD: A random sample of patients (n = 49) participated in TDS followed by CBT (TDS+CBT) and they were compared with matched controls (n = 49) accessing usual CBT...
March 2017: Behavioural and Cognitive Psychotherapy
https://www.readbyqxmd.com/read/28229546/lessons-from-the-past-family-involvement-in-patient-admission-and-discharge-beechworth-lunatic-asylum-1900-1912
#9
Eileen Clark
In this study, document analysis is used to examine case books from the Beechworth Lunatic Asylum with the aim of determining the extent of family involvement in patients' admission and discharge. There were 420 male and 278 female patients admitted in the study period, with over half transferred from other Victorian asylums. Next of kin were identified for 64% of male and 84% of female patients. Families were involved in the admission of 52 (12%) male and 50 (18%) female patients, usually by bringing patients to the asylum or providing evidence of behavioural changes...
February 23, 2017: International Journal of Mental Health Nursing
https://www.readbyqxmd.com/read/28228573/grace-under-pressure-a-drama-based-approach-to-tackling-mistreatment-of-medical-students
#10
Karen M Scott, Špela Berlec, Louise Nash, Claire Hooker, Paul Dwyer, Paul Macneill, Jo River, Kimberley Ivory
A positive and respectful learning environment is fundamental to the development of professional identities in healthcare. Yet medical students report poor behaviour from healthcare professionals that contradict professionalism teaching. An interdisciplinary group designed and implemented a drama-based workshop series, based on applied theatre techniques, to help students develop positive professional qualities and interpersonal skills to deal with challenges in the healthcare setting. We piloted the workshops at the University of Sydney in 2015...
March 2017: Medical Humanities
https://www.readbyqxmd.com/read/28228538/route-choice-in-pedestrians-determinants-for-initial-choices-and-revising-decisions
#11
Weichen Liao, Armel U Kemloh Wagoum, Nikolai W F Bode
In moving pedestrian crowds, the distribution of individuals over different available routes emerges from the decisions of individuals that may be influenced by the actions of others. Understanding this phenomenon not only is important for research into collective behaviour, but also has practical applications for building safety and event management. Here, we study the mechanisms underlying pedestrian route choice, focusing on how time-independent information, such as path lengths, and time-dependent information, such as queue lengths, affect both initial decisions and subsequent changes in route choices...
February 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28228514/differentiating-causality-and-correlation-in-allometric-scaling-ant-colony-size-drives-metabolic-hypometry
#12
James S Waters, Alison Ochs, Jennifer H Fewell, Jon F Harrison
Metabolic rates of individual animals and social insect colonies generally scale hypometrically, with mass-specific metabolic rates decreasing with increasing size. Although this allometry has wide ranging effects on social behaviour, ecology and evolution, its causes remain controversial. Because it is difficult to experimentally manipulate body size of organisms, most studies of metabolic scaling depend on correlative data, limiting their ability to determine causation. To overcome this limitation, we experimentally reduced the size of harvester ant colonies (Pogonomyrmex californicus) and quantified the consequent increase in mass-specific metabolic rates...
February 22, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28228489/age-dependent-shift-in-macrophage-polarisation-causes-inflammation-mediated-degeneration-of-enteric-nervous-system
#13
Laren Becker, Linh Nguyen, Jaspreet Gill, Subhash Kulkarni, Pankaj Jay Pasricha, Aida Habtezion
OBJECTIVE: The enteric nervous system (ENS) undergoes neuronal loss and degenerative changes with age. The cause of this neurodegeneration is poorly understood. Muscularis macrophages residing in close proximity to enteric ganglia maintain neuromuscular function via direct crosstalk with enteric neurons and have been implicated in the pathogenesis of GI motility disorders like gastroparesis and postoperative ileus. The aim of this study was to assess whether ageing causes alterations in macrophage phenotype that contributes to age-related degeneration of the ENS...
February 21, 2017: Gut
https://www.readbyqxmd.com/read/28228151/unravelling-effectiveness-of-a-nurse-led-behaviour-change-intervention-to-enhance-physical-activity-in-patients-at-risk-for-cardiovascular-disease-in-primary-care-study-protocol-for-a-cluster-randomised-controlled-trial
#14
Heleen Westland, Irene D Bos-Touwen, Jaap C A Trappenburg, Carin D Schröder, Niek J de Wit, Marieke J Schuurmans
BACKGROUND: Self-management interventions are considered effective in patients with chronic disease, but trials have shown inconsistent results, and it is unknown which patients benefit most. Adequate self-management requires behaviour change in both patients and health care providers. Therefore, the Activate intervention was developed with a focus on behaviour change in both patients and nurses. The intervention aims for change in a single self-management behaviour, namely physical activity, in primary care patients at risk for cardiovascular disease...
February 22, 2017: Trials
https://www.readbyqxmd.com/read/28228127/a-review-of-enhanced-paramedic-roles-during-and-after-hospital-handover-of-stroke-myocardial-infarction-and-trauma-patients
#15
Darren Flynn, Richard Francis, Shannon Robalino, Joanne Lally, Helen Snooks, Helen Rodgers, Graham McClelland, Gary A Ford, Christopher Price
BACKGROUND: Ambulance paramedics play a critical role expediting patient access to emergency treatments. Standardised handover communication frameworks have led to improvements in accuracy and speed of information transfer but their impact upon time-critical scenarios is unclear. Patient outcomes might be improved by paramedics staying for a limited time after handover to assist with shared patient care. We aimed to categorize and synthesise data from studies describing development/extension of the ambulance-based paramedic role during and after handover for time-critical conditions (trauma, stroke and myocardial infarction)...
February 23, 2017: BMC Emergency Medicine
https://www.readbyqxmd.com/read/28227979/dispersion-entropy-for-the-analysis-of-resting-state-meg-regularity-in-alzheimer-s-disease
#16
Hamed Azami, Mostafa Rostaghi, Alberto Fernandez, Javier Escudero, Hamed Azami, Mostafa Rostaghi, Alberto Fernandez, Javier Escudero, Alberto Fernandez, Javier Escudero, Mostafa Rostaghi, Hamed Azami
Alzheimer's disease (AD) is a progressive degenerative brain disorder affecting memory, thinking, behaviour and emotion. It is the most common form of dementia and a big social problem in western societies. The analysis of brain activity may help to diagnose this disease. Changes in entropy methods have been reported useful in research studies to characterize AD. We have recently proposed dispersion entropy (DisEn) as a very fast and powerful tool to quantify the irregularity of time series. The aim of this paper is to evaluate the ability of DisEn, in comparison with fuzzy entropy (FuzEn), sample entropy (SampEn), and permutation entropy (PerEn), to discriminate 36 AD patients from 26 elderly control subjects using resting-state magnetoencephalogram (MEG) signals...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227892/investigation-of-changes-in-the-electrical-properties-of-novel-knitted-conductive-textiles-during-cyclic-loading
#17
Cristina Isaia, Donal McNally, Simon A McMaster, David T Branson, Cristina Isaia, Donal McNally, Simon A McMaster, David T Branson, Simon A McMaster, Donal McNally, Cristina Isaia, David T Branson
Combining stainless steel with polyester fibres adds an attractive conductive behaviour to the yarn. Once knitted in such a manner, fabrics develop sensing properties that make the textiles, also known as e-textiles, suitable for smart/wearable applications. Structural deformations of the fibres (e.g. stretching) will cause changes in the conductivity of the fabric. This work investigates changes in the electrical properties exhibited by four knitted conductive textiles made of 20% stainless steel and 80% polyester fibres during cyclic loading...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226209/production-of-high-performance-bioinspired-silk-fibers-by-straining-flow-spinning
#18
Rodrigo Madurga, Alfonso M Ganan-Calvo, Gustavo Ramón Plaza, Gustavo V Guinea, Manuel Elices, José Pérez-Rigueiro
In the last years there has been an increasing interest on bioinspired approaches for different applications, including the spinning of high performance silk fibers. Bioinspired spinning is based on the natural spinning system of spiders and worms and requires combining changes in the chemical environment of the proteins with the application of mechanical stresses. Here we present the novel Straining Flow Spinning (SFS) process and prove its ability to produce high performance fibers under mild, environmentally friendly conditions, from aqueous protein dopes...
February 22, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28225134/phase-behaviour-and-gravity-directed-self-assembly-of-hard-convex-spherical-caps
#19
John M McBride, Carlos Avendaño
We investigate the phase behaviour and self-assembly of convex spherical caps using Monte Carlo simulations. This model is used to represent the main features observed in experimental colloidal particles with mushroom-cap shape [Riley et al., Langmuir, 2010, 26, 1648]. The geometry of this non-centrosymmetric convex model is fully characterized by the aspect ratio χ* defined as the spherical cap height to diameter ratio. We use NPT Monte Carlo simulations combined with free energy calculations to determine the most stable crystal structures and the phase behaviour of convex spherical caps with different aspect ratios...
February 22, 2017: Soft Matter
https://www.readbyqxmd.com/read/28224956/-when-addiction-is-revealed-in-old-age
#20
Véronique Griner-Abraham
The representations we have of old age are sometimes far from reality. An addiction may be discovered by chance late on, delaying diagnosis and treatment. A desire to change can be encouraged through expression, listening and analysing current behaviour.
January 2017: Soins. Gérontologie
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