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https://www.readbyqxmd.com/read/28527316/effects-of-contextual-relevance-on-pragmatic-inference-during-conversation-an-fmri-study
#1
Wangshu Feng, Yue Wu, Catherine Jan, Hongbo Yu, Xiaoming Jiang, Xiaolin Zhou
Contextual relevance, which is vital for understanding conversational implicatures (CI), engages both the frontal-temporal language and theory-of-mind networks. Here we investigate how contextual relevance affects CI processing and regulates the connectivity between CI-processing-related brain regions. Participants listened to dialogues in which the level of contextual relevance to dialogue-final utterance (reply) was manipulated. This utterance was either direct, indirect but relevant, irrelevant with contextual hint, or irrelevant with no contextual hint...
May 17, 2017: Brain and Language
https://www.readbyqxmd.com/read/28527223/muscle-co-contraction-patterns-in-robot-mediated-force-field-learning-to-guide-specific-muscle-group-training
#2
Sara Pizzamiglio, Adela Desowska, Pegah Shojaii, Myriam Taga, Duncan L Turner
BACKGROUND: Muscle co-contraction is a strategy of increasing movement accuracy and stability employed in dealing with perturbation of movement. It is often seen in neuropathological populations. The direction of movement influences the pattern of co-contraction, but not all movements are easily achievable for populations with motor deficits. Manipulating the direction of the force instead, may be a promising rehabilitation protocol to train movement with use of a co-contraction reduction strategy...
May 19, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28527003/the-effects-of-kanizsa-contours-on-temporal-integration-and-attention-in-rapid-serial-visual-presentation
#3
Aytaç Karabay, Elkan G Akyürek
Performance in rapid serial visual presentation tasks has been shown to depend on the temporal integration of target stimuli when they are presented in direct succession. Temporal target integration produces a single, combined representation of visually compatible stimuli, which is comparatively easy to identify. It is currently unknown to what extent target compatibility affects this perceptual behavior, because it has not been studied systematically to date. In the present study, the effects of compatibility on temporal integration and attention were investigated by manipulating the Gestalt properties of target features...
May 19, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28526953/mutual-interference-between-adult-females-of-galendromus-flumenis-acari-phytoseiidae-feeding-on-eggs-of-banks-grass-mite-decreases-predation-efficiency-and-increases-emigration-rate
#4
Fatemeh Ganjisaffar, Gösta Nachman, Thomas M Perring
The Banks grass mite, Oligonychus pratensis (Banks) (Acari: Tetranychidae) causes significant damage to dates in California (USA), if not controlled. Studies are underway to develop biological control strategies against this pest in dates using the predatory mite Galendromus flumenis (Chant) (Acari: Phytoseiidae). In California date gardens, this predator is found in low numbers that are insufficient for the economic suppression of Banks grass mites, and our research aims to understand why it fails to keep up with prey densities...
May 19, 2017: Experimental & Applied Acarology
https://www.readbyqxmd.com/read/28526883/openspritzer-an-open-hardware-pressure-ejection-system-for-reliably-delivering-picolitre-volumes
#5
C J Forman, H Tomes, B Mbobo, R J Burman, M Jacobs, T Baden, J V Raimondo
The ability to reliably and precisely deliver picolitre volumes is an important component of biological research. Here we describe a high-performance, low-cost, open hardware pressure ejection system (Openspritzer), which can be constructed from off the shelf components. The device is capable of delivering minute doses of reagents to a wide range of biological and chemical systems. In this work, we characterise the performance of the device and compare it to a popular commercial system using two-photon fluorescence microscopy...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28526825/target-decoupling-in-coupled-systems-resistant-to-random-perturbation
#6
Sunkyu Yu, Xianji Piao, Namkyoo Park
To suppress unwanted crosstalks between nearby optical elements, the decoupling technique for integrated systems has been desired for the target control of light flows. Although cloaking methods have enabled complete decoupling of optical elements by manipulating electromagnetic waves microscopically, it is difficult to be applied rigorously to control each unit element in coupled systems due to severe restrictions on material parameters for cloaking. Here we develop the macroscopic approach to design crosstalk-free regions in coupled optical systems...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28526795/exploring-a-possible-link-between-the-intestinal-microbiota-and-feed-efficiency-in-pigs
#7
Ursula M McCormack, Tânia Curião, Stefan G Buzoianu, Maria L Prieto, Tomas Ryan, Patrick Varley, Fiona Crispie, Elizabeth Magowan, Barbara U Metzler-Zebeli, Donagh Berry, Orla O'Sullivan, Paul D Cotter, Gillian E Gardiner, Peadar G Lawlor
Feed efficiency (FE) is critical in pig production for both economic and environmental reasons. As the intestinal microbiota plays an important role in energy harvest, it is likely to influence FE. Our aim was therefore to characterize the intestinal microbiota of pigs ranked as low, medium and high residual feed intake (RFI; a metric for FE), where genetic, nutritional and management effects were minimized, in order to explore a possible link between the intestinal microbiota and FE. Eighty one pigs were ranked on RFI between weaning and day 126 post-weaning, and 32 were selected as the extremes in RFI (12 low, 10 medium, 10 high)...
May 19, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28526673/the-effectiveness-of-a-computer-game-based-rehabilitation-platform-for-children-with-cerebral-palsy-protocol-for-a-randomized-clinical-trial
#8
Anuprita Kanitkar, Tony Szturm, Sanjay Parmar, Dorcas Bc Gandhi, Gina Ruth Rempel, Gayle Restall, Monika Sharma, Amitesh Narayan, Jeyaraj Pandian, Nilashri Naik, Ravi R Savadatti, Mahesh Appasaheb Kamate
BACKGROUND: It is difficult to engage young children with cerebral palsy (CP) in repetitive, tedious therapy. As such, there is a need for innovative approaches and tools to motivate these children. We developed the low-cost, computer game-based rehabilitation platform CGR that combines fine manipulation and gross movement exercises with attention and planning game activities appropriate for young children with CP. OBJECTIVE: The objective of this study is to provide evidence of the therapeutic value of CGR to improve upper extremity (UE) motor function for children with CP...
May 18, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28526621/electrophysiological-signatures-of-phonological-and-semantic-maintenance-in-sentence-repetition
#9
Jed A Meltzer, Aneta Kielar, Lilia Panamsky, Kira A Links, Tiffany Deschamps, Rosie C Leigh
Verbal short-term memory comprises resources for phonological rehearsal, which have been characterized anatomically, and for maintenance of semantic information, which are less understood. Sentence repetition tasks tap both processes interactively. To distinguish brain activity involved in phonological vs. semantic maintenance, we recorded magnetoencephalography during a sentence repetition task, incorporating three manipulations emphasizing one mechanism over the other. Participants heard sentences or word lists and attempted to repeat them verbatim after a 5-second delay...
May 16, 2017: NeuroImage
https://www.readbyqxmd.com/read/28526466/-comparison-of-three-different-insertion-techniques-with-lma-unique%C3%A2-in-adults-results-of-a-randomized-trial
#10
Merih Eglen, Bahar Kuvaki, Ferim Günenç, Sule Ozbilgin, Semih Küçükgüçlü, Ebru Polat, Emel Pekel
BACKGROUND: The triple airway maneuver insertion technique allowed faster insertion of the LMA. This study compared three different insertion techniques of the laryngeal mask airway-Unique™. METHODS: One hundred and eighty ASA I-II patients aged 18-65 years were included into the study. Patients were randomly allocated to the standard, rotational and triple airway maneuver (triple) group. In the standard group (n=60), the LMA (Laryngeal Mask Airway) was inserted with digital intraoral manipulation...
May 16, 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28525986/the-lspc3-41i-restriction-modification-system-is-the-major-determinant-for-genetic-manipulations-of-lysinibacillus-sphaericus-c3-41
#11
Pan Fu, Yong Ge, Yiming Wu, Ni Zhao, Zhiming Yuan, Xiaomin Hu
BACKGROUND: Lysinibacillus sphaericus has been widely used in integrated mosquito control program and it is one of the minority bacterial species unable to metabolize carbohydrates. In consideration of the high genetic conservation at genomic level and difficulty of genetic horizontal transfer, it is hypothesized that effective restriction-modification (R-M) systems existed in mosquitocidal L. sphaericus. RESULTS: In this study, six type II R-M systems including LspC3-41I were predicted in L...
May 19, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28525955/imaging-and-manipulating-energy-transfer-among-quantum-dots-at-individual-dot-resolution
#12
Duc A Nguyen, Huy A Nguyen, Joseph W Lyding, Martin Gruebele
Many processes of interest in quantum dots involve charge or energy transfer from one dot to another. Energy transfer in films of quantum dots as well as between linked quantum dots has been demonstrated by luminescence shift, and the ultrafast time-dependence of energy transfer processes has been resolved. Bandgap variation among dots (energy disorder) and dot separation are known to play an important role in how energy diffuses. Thus it would be very useful if energy transfer could be visualized directly on a dot-by-dot basis among small clusters or within films of quantum dots...
May 19, 2017: ACS Nano
https://www.readbyqxmd.com/read/28525851/a-fully-integrated-distance-readout-elisa-chip-for-point-of-care-testing-with-sample-in-answer-out-capability
#13
Dan Liu, Xingrui Li, Junkai Zhou, Shibo Liu, Tian Tian, Yanling Song, Zhi Zhu, Leiji Zhou, Tianhai Ji, Chaoyong Yang
Enzyme-linked immunosorbent assay (ELISA) is a popular laboratory technique for detection of disease-specific protein biomarkers with high specificity and sensitivity. However, ELISA requires labor-intensive and time-consuming procedures with skilled operators and spectroscopic instrumentation. Simplification of the procedures and miniaturization of the devices are crucial for ELISA-based point-of-care (POC) testing in resource-limited settings. Here, we present a fully integrated, instrument-free, low-cost and portable POC platform which integrates the process of ELISA and the distance readout into a single microfluidic chip...
May 4, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28525797/to-neglect-or-integrate-contingency-information-from-outside-the-task-frame-that-is-the-question-effects-of-depressed-mood
#14
R M Msetfi, N Byrom, R A Murphy
Evidence shows that there are individual differences in the extent to which people attend to and integrate information into their decisions about the predictive contingencies between events and outcomes. In particular, information about the absence of events or outcomes, presented outside the current task frame, is often neglected. This trend is particularly evident in depression, as well as other psychopathologies, though reasons for information neglect remain unclear. We investigated this phenomenon across two experiments (Experiment 1: N=157; Experiment 2: N=150) in which participants, scoring low and high in the Beck Depression Inventory, were asked to learn a simple predictive relationship between a visual cue and an auditory outcome...
May 16, 2017: Acta Psychologica
https://www.readbyqxmd.com/read/28525615/embolic-foreign-material-in-the-central-nervous-system-of-pediatric-autopsy-patients-with-instrumented-heart-disease
#15
Matthew Torre, Mirna Lechpammer, Vera Paulson, Sanjay Prabhu, Audrey C Marshall, Amy L Juraszek, Robert F Padera, Elizabeth A Bundock, Sara O Vargas, Rebecca D Folkerth
Upon detection of foreign-body embolization to the central nervous system (CNS) following a specific invasive cardiovascular procedure in 1 autopsied child, we undertook a quality assurance analysis to determine whether other patients had had similar events. Autopsies of all infants and children with history of cardiac catheterization, heart surgery on cardiopulmonary bypass, and/or extracorporeal membrane oxygenation over a 5-year period at a single tertiary care institution were reviewed for light-microscopic evidence of foreign material...
May 19, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28525604/decomposing-tool-action-observation-a-stereo-eeg-study
#16
F Caruana, P Avanzini, R Mai, V Pelliccia, G LoRusso, G Rizzolatti, G A Orban
A description of the spatiotemporal dynamics of human cortical activity during cognitive tasks is a fundamental goal of neuroscience. In the present study, we employed stereo-EEG in order to assess the neural activity during tool-action observation. We recorded from 49 epileptic patients (5502 leads) implanted with intracerebral electrodes, while they observed tool and hand actions. We deconstructed actions into 3 events-video onset, action onset, and tool-object contact-and assessed how different brain regions respond to these events...
May 19, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28525531/phyd3-a-phylogenetic-tree-viewer-with-extended-phyloxml-support-for-functional-genomics-data-visualization
#17
Lukasz Kreft, Alexander Botzki, Frederik Coppens, Klaas Vandepoele, Michiel Van Bel
Motivation: Comparative and evolutionary studies utilise phylogenetic trees to analyse and visualise biological data. Recently, several web-based tools for the display, manipulation, and annotation of phylogenetic trees, such as iTOL and Evolview, have released updates to be compatible with the latest web technologies. While those web tools operate an open server access model with a multitude of registered users, a feature-rich open source solution using current web technologies is not available...
May 19, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28524744/sphingosine-1-phosphate-signaling-in-bone-remodeling-multifaceted-roles-and-therapeutic-potential
#18
Anastasia Meshcheryakova, Diana Mechtcheriakova, Peter Pietschmann
Sphingolipids belong to a complex class of lipid molecules that are crucially involved in the regulation of important biological processes including proliferation, migration and apoptosis. Given the significant progress made in understanding the sphingolipid pathobiology of several diseases, sphingolipid-related checkpoints emerge as attractive targets. Recent data indicate the multifaceted contribution of the sphingolipid machinery to osteoclast - osteoblast crosstalk, representing one of the pivotal interactions underlying bone homeostasis...
May 19, 2017: Expert Opinion on Therapeutic Targets
https://www.readbyqxmd.com/read/28524729/preschoolers-physical-activity-participation-across-a-yearlong-mastery-motivational-climate-intervention
#19
Danielle D Wadsworth, Mary E Rudisill, Peter A Hastie, Jacqueline M Irwin, Mynor G Rodriguez-Hernandez
PURPOSE: This study sought to determine how children's participation in physical activity during a mastery-motivational climate changed during a 20-week intervention and to compare it to children's free-play activity during a typical day at their local day-care facility. METHOD: Twelve 4-year-old children participated in a mastery-motivational climate physical activity program delivered 2 days a week for 20 weeks during a period of 8 months. All children were fitted with an Actigraph GT3X triaxial accelerometer...
May 19, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28524676/matter-wave-tractor-beams
#20
Alexey A Gorlach, Maxim A Gorlach, Andrei V Lavrinenko, Andrey Novitsky
Optical and acoustic tractor beams are currently the focus of intense research due to their counterintuitive property of exerting a pulling force on small scattering objects. In this Letter we propose a matter-wave tractor beam and utilize the de Broglie waves of nonrelativistic matter particles in analogy to "classical" tractor beams. We reveal the presence of the quantum-mechanical pulling force for the variety of quantum mechanical potentials observing the resonant enhancement of the pulling effect under the conditions of the suppressed scattering known as the Ramsauer-Townsend effect...
May 5, 2017: Physical Review Letters
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