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https://www.readbyqxmd.com/read/28426352/the-risky-reading-strategy-revisited-new-simulations-using-e-z-reader
#1
Victoria A McGowan, Erik D Reichle
Eye-movement studies have demonstrated that, relative to college-aged readers, older readers of alphabetic languages like English and German tend to read more slowly, making more frequent, longer fixations, longer saccades, skipping more words, but also making more frequent regressions. These findings have led to suggestions that older readers either adopt a "risky" strategy of using context to "guess" words as a way of compensating for slower rates of lexical processing (Rayner, Reichle, Stroud, Williams, & Pollatsek, 2006), or that they have a smaller and more asymmetrical perceptual span (Laubrock, Kliegl, & Engbert, 2005)...
April 20, 2017: Quarterly Journal of Experimental Psychology: QJEP
https://www.readbyqxmd.com/read/28415145/medical-marijuana-challenges-and-risk-issues-for-health-care-providers
#2
John C West
Laws on medical marijuana and recreational use of marijuana are sweeping the country and presenting real dilemmas for health care providers and facilities. However, due to disagreements between federal and state law, there are no easy answers. Additionally, the case law and statutory law on these issues is exceedingly sparse. It may take years for all of the issues to be ironed out, but health care facilities will need to act in the meantime on what may be little more than educated guesses. It may not be appropriate to simply prohibit the use of medical marijuana, but accommodating it also has risk...
April 2017: Journal of Healthcare Risk Management: the Journal of the American Society for Healthcare Risk Management
https://www.readbyqxmd.com/read/28414737/peer-norm-guesses-and-self-reported-attitudes-towards-performance-related-pay
#3
Nikolaos Georgantzis, Efi Vasileiou, Iordanis Kotzaivazoglou
Due to a variety of reasons, people see themselves differently from how they see others. This basic asymmetry has broad consequences. It leads people to judge themselves and their own behavior differently from how they judge others and others' behavior. This research, first, studies the perceptions and attitudes of Greek Public Sector employees towards the introduction of Performance-Related Pay (PRP) systems trying to reveal whether there is a divergence between individual attitudes and guesses on peers' attitudes...
2017: PloS One
https://www.readbyqxmd.com/read/28398132/on-the-reality-of-illusory-conjunctions
#4
Juan Botella, Manuel Suero, Juan I Durán
The reality of illusory conjunctions in perception has been sometimes questioned, arguing that they can be explained by other mechanisms. Most relevant experiments are based on migrations along the space dimension. But the low rate of illusory conjunctions along space can easily hide them among other types of errors. As migrations over time are a more frequent phenomenon, illusory conjunctions can be disentangled from other errors. We report an experiment in which series of colored letters were presented in several spatial locations, allowing for migrations over both space and time...
April 11, 2017: Journal of General Psychology
https://www.readbyqxmd.com/read/28388116/performance-of-extended-lagrangian-schemes-for-molecular-dynamics-simulations-with-classical-polarizable-force-fields-and-density-functional-theory
#5
Valerio Vitale, Jacek Dziedzic, Alex Albaugh, Anders M N Niklasson, Teresa Head-Gordon, Chris-Kriton Skylaris
Iterative energy minimization with the aim of achieving self-consistency is a common feature of Born-Oppenheimer molecular dynamics (BOMD) and classical molecular dynamics with polarizable force fields. In the former, the electronic degrees of freedom are optimized, while the latter often involves an iterative determination of induced point dipoles. The computational effort of the self-consistency procedure can be reduced by re-using converged solutions from previous time steps. However, this must be done carefully, as not to break time-reversal symmetry, which negatively impacts energy conservation...
March 28, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28387562/if-you-re-not-measuring-you-re-guessing-the-advent-of-objective-concussion-assessments
#6
Steven P Broglio, Kevin M Guskiewicz, John Norwig
Sport-related concussion remains one of the most complex injuries presented to sports medicine professionals. Although the injury has been recognized since ancient times, the concussion-assessment process has seen significant advances over the last 30 years. This review outlines the addition of objective measures to the clinical evaluation of the concussed athlete, beginning in the 1980s and continuing through the modern age. International and domestic organizations now describe standardized symptom reports, neurostatus and neurocognitive-function evaluations, and postural-control measures as standards of medical care, a significant shift from a short time ago...
March 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28386181/analytical-fuzzy-approach-to-biological-data-analysis
#7
Weiping Zhang, Jingzhi Yang, Yanling Fang, Huanyu Chen, Yihua Mao, Mohit Kumar
The assessment of the physiological state of an individual requires an objective evaluation of biological data while taking into account both measurement noise and uncertainties arising from individual factors. We suggest to represent multi-dimensional medical data by means of an optimal fuzzy membership function. A carefully designed data model is introduced in a completely deterministic framework where uncertain variables are characterized by fuzzy membership functions. The study derives the analytical expressions of fuzzy membership functions on variables of the multivariate data model by maximizing the over-uncertainties-averaged-log-membership values of data samples around an initial guess...
March 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28384347/the-impact-of-early-visual-cortex-transcranial-magnetic-stimulation-on-visual-working-memory-precision-and-guess-rate
#8
Rosanne L Rademaker, Vincent G van de Ven, Frank Tong, Alexander T Sack
Neuroimaging studies have demonstrated that activity patterns in early visual areas predict stimulus properties actively maintained in visual working memory. Yet, the mechanisms by which such information is represented remain largely unknown. In this study, observers remembered the orientations of 4 briefly presented gratings, one in each quadrant of the visual field. A 10Hz Transcranial Magnetic Stimulation (TMS) triplet was applied directly at stimulus offset, or midway through a 2-second delay, targeting early visual cortex corresponding retinotopically to a sample item in the lower hemifield...
2017: PloS One
https://www.readbyqxmd.com/read/28379970/why-are-some-languages-confused-for-others-investigating-data-from-the-great-language-game
#9
Hedvig Skirgård, Seán G Roberts, Lars Yencken
In this paper we explore the results of a large-scale online game called 'the Great Language Game', in which people listen to an audio speech sample and make a forced-choice guess about the identity of the language from 2 or more alternatives. The data include 15 million guesses from 400 audio recordings of 78 languages. We investigate which languages are confused for which in the game, and if this correlates with the similarities that linguists identify between languages. This includes shared lexical items, similar sound inventories and established historical relationships...
2017: PloS One
https://www.readbyqxmd.com/read/28377238/characterization-of-the-interaction-of-glycyrrhizin-and-glycyrrhetinic-acid-with-bovine-serum-albumin-by-spectrophotometric-gradient-flow-injection-titration-technique-and-molecular-modeling-simulations
#10
Firouzeh Manouchehri, Yahya Izadmanesh, Jahan B Ghasemi
In this research, the interactions of glycyrrhizin (GL) and glycyrrhetinic acid (GA) with bovine serum albumin (BSA) have been investigated by the novel method of spectrophotometric- gradient flow injection titration technique. The hard-modeling multivariate approach to binding was used for calculation of binding constants and estimation of concentration-spectral profiles of equilibrium species. The stoichiometric ratio of binding was estimated using eigenvalue analysis. Results showed that GL and GA bind BSA with overall binding constants of KGL-BSA=3...
April 1, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28375311/benchmark-evaluation-of-inversion-algorithms-for-tomographic-absorption-spectroscopy
#11
Tao Yu, Weiwei Cai
Tomographic absorption spectroscopy (TAS) is experiencing a surge of interest due to recent progress in laser technology and advanced imaging concepts such as nonlinear tomography and compressed sensing. Nevertheless, even though numerous algorithms have been adapted from other tomographic areas such as medical imaging and engineering process control, and applied in TAS applications, systematic comparison between those methods has not been investigated. In this work, we aim to test major inversion algorithms on both the so-called rank-deficient (RD) and discrete ill-posed (DIP) problems...
March 10, 2017: Applied Optics
https://www.readbyqxmd.com/read/28368829/immunological-approach-for-full-nurbs-reconstruction-of-outline-curves-from-noisy-data-points-in-medical-imaging
#12
Andres Iglesias, Akemi Galvez, Andreina Avila
Curve reconstruction from data points is an important issue for advanced medical imaging techniques, such as computer tomography (CT) and magnetic resonance imaging (MRI). The most powerful fitting functions for this purpose are the NURBS (non-uniform rational B-splines). Solving the general reconstruction problem with NURBS requires to compute all free variables of the problem (data parameters, breakpoints, control points and their weights). This leads to a very difficult non-convex, nonlinear, high-dimensional, multimodal, continuous optimization problem...
March 28, 2017: IEEE/ACM Transactions on Computational Biology and Bioinformatics
https://www.readbyqxmd.com/read/28367465/the-impact-of-3-option-responses-to-multiple-choice-questions-on-guessing-strategies-and-cut-score-determinations
#13
Kenneth D Royal, Myrah R Stockdale
INTRODUCTION: Research has asserted MCQ items using three response options (one correct answer with two distractors) is comparable to, and possibly preferable over, traditional MCQ item formats consisting of four response options (e.g., one correct answer with three distractors), or five response options (e.g., one correct answer with four distractors). Some medical educators have also adopted the practice of using 3-option responses on MCQ exams as a response to the difficulty experienced in generating additional plausible distractors...
April 2017: Journal of Advances in Medical Education & Professionalism
https://www.readbyqxmd.com/read/28362637/method-for-determining-optimal-supercell-representation-of-interfaces
#14
Daniele Stradi, Line Jelver, Søren Smidstrup, Kurt Stokbro
The geometry and structure of an interface ultimately determines the behavior of devices at the nanoscale. We present a generic method to determine the possible lattice matches between two arbitrary surfaces and to calculate the strain of the corresponding matched interface. We apply this method to explore two relevant classes of interfaces for which accurate structural measurements of the interface are available: (i) the interface between pentacene crystals and the (1 1 1) surface of gold, and (ii) the interface between the semiconductor indium-arsenide and aluminum...
March 31, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28358869/learning-about-and-from-others-prudence-impatience-or-laziness-the-computational-bases-of-attitude-alignment
#15
Marie Devaine, Jean Daunizeau
Peoples' subjective attitude towards costs such as, e.g., risk, delay or effort are key determinants of inter-individual differences in goal-directed behaviour. Thus, the ability to learn about others' prudent, impatient or lazy attitudes is likely to be critical for social interactions. Conversely, how adaptive such attitudes are in a given environment is highly uncertain. Thus, the brain may be tuned to garner information about how such costs ought to be arbitrated. In particular, observing others' attitude may change one's uncertain belief about how to best behave in related difficult decision contexts...
March 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28355680/function-of-the-anterior-intermeniscal-ligament
#16
Trent M Guess, Swithin S Razu, Keiichi Kuroki, James L Cook
The function and importance of the anterior intermeniscal ligament (AIML) of the knee are not fully known. The purpose of this study was to evaluate the biomechanical and sensorimotor function of the AIML. Computational analysis was used to assess AIML and tibiomeniscofemoral biomechanics under combined translational and rotational loading applied during dynamic knee flexion-extension. Histologic and immunohistochemical examination was used to identify and characterize neural elements in the tissue. The computational models were created from anatomy and passive motion of two female subjects and histologic examinations were conducted on AIMLs retrieved from 10 fresh-frozen cadaveric knees...
March 29, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28350376/event-related-potential-data-from-a-guess-the-number-brain-computer-interface-experiment-on-school-children
#17
R Mouček, L Vařeka, T Prokop, J Štěbeták, P Brůha
Guess the number is a simple P300-based brain-computer interface experiment. Its aim is to ask the measured participant to pick a number between 1 and 9. Then, he or she is exposed to corresponding visual stimuli and experimenters try to guess the number thought while they are observing event-related potential waveforms on-line. 250 school-age children participated in the experiments that were carried out in elementary and secondary schools in the Czech Republic. Electroencephalographic data from three EEG channels (Fz, Cz, Pz) and stimuli markers were stored...
March 28, 2017: Scientific Data
https://www.readbyqxmd.com/read/28350167/accurate-classical-polarization-solution-with-no-self-consistent-field-iterations
#18
Alex Albaugh, Anders M N Niklasson, Teresa Head-Gordon
We present a new solution for classical polarization that does not require any self-consistent field iterations, the aspect of classical polarization that makes it computationally expensive. The new method builds upon our iEL/SCF Lagrangian scheme that defines a set of auxiliary induced dipoles whose original purpose was to serve as a time-reversible initial guess to the SCF solution of the set of real induced dipoles. In the new iEL/0-SCF approach the auxiliary dipoles now drive the time evolution of the real induced dipoles such that they stay close to the Born-Oppenheimer surface in order to achieve a truly SCF-less method...
April 20, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28346515/gender-differences-in-reward-and-punishment-for-monetary-and-social-feedback-in-children-an-erp-study
#19
Ying Ding, Encong Wang, Yuchen Zou, Yan Song, Xue Xiao, Wanyi Huang, Yanfang Li
Gender differences in feedback processing have been observed among adolescents and adults through event-related potentials. However, information on whether and how this feedback processing is affected by feedback valence, feedback type, and individual sensitivity in reward/punishment among children remains minimal. In this study, we used a guessing game task coupled with electroencephalography to investigate gender differences in feedback processing, in which feedback to reward and punishment was presented in the context of monetary and social conditions...
2017: PloS One
https://www.readbyqxmd.com/read/28340362/studies-on-neutron-spectrum-characterization-for-the-pneumatic-fast-transfer-system-pfts-of-kamini-reactor
#20
G V S Ashok Kumar, Sujoy Sen, E Radha, J S Brahmaji Rao, R Acharya, R Kumar, C R Venkatasubramani, A V R Reddy, M Joseph
Characterization of neutron energy spectrum along with the determination of sub-cadmium to epithermal neutron flux ratio (f) and the epithermal neutron flux shape factor (α) has been carried out at pneumatic fast transfer system (PFTS) of KAMINI reactor. The facility has been extensively used for the neutron activation analysis (NAA) studies using both k0-NAA and relative method. This paper describes the multi-foil activation method to determine the reaction rates followed by the generation of computed guess spectrum to unfold the neutron spectrum using least square minimization approach...
March 11, 2017: Applied Radiation and Isotopes
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