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https://www.readbyqxmd.com/read/28727959/is-psychology-headed-in-the-right-direction
#1
Ethan Kross
Is psychology headed in the right direction? In this essay, I share my views on the answer to this question. I begin by describing how recent advances in technology, heightened levels of interdisciplinary collaboration, a renewed emphasis on considering the broader implications of basic psychological research, and field-wide efforts to encourage optimal research practices have combined to tilt psychology's trajectory upward. I then offer three suggestions for how to maintain the field's upward slanting course: (a) collaborate more to build cumulative knowledge, (b) improve the way we communicate contextual factors in psychological research, and (c) examine the psychological effects of technology...
July 2017: Perspectives on Psychological Science: a Journal of the Association for Psychological Science
https://www.readbyqxmd.com/read/28727900/head-midline-position-for-preventing-the-occurrence-or-extension-of-germinal-matrix-intraventricular-hemorrhage-in-preterm-infants
#2
REVIEW
Olga Romantsik, Maria Grazia Calevo, Matteo Bruschettini
BACKGROUND: Preterm birth is known to constitute the major risk factor for development of germinal matrix-intraventricular hemorrhage (GM-IVH). Head position may affect cerebral hemodynamics and thus may be involved indirectly in development of GM-IVH. Turning the head toward one side may functionally occlude jugular venous drainage on the ipsilateral side while increasing intracranial pressure and cerebral blood volume. Thus, it has been suggested that cerebral venous pressure is reduced and hydrostatic brain drainage improved if the patient is in supine midline position with the bed tilted 30°...
July 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28726356/intrascleral-iol-fixation
#3
Soonsan Jacob
Intrascleral sutureless intraocular lens (IOL) fixation utilizes direct haptic fixation within the sclera in eyes with deficient capsular support. This has advantages of long-term stability, good control of tilt and decentration, and lesser pseudophakodonesis. This review summarizes various techniques for intrascleral haptic fixation, results, complications, adaptations in special situations, modifications of the technique, combination surgeries, and intrascleral capsular bag fixation techniques (glued capsular hook)...
July 18, 2017: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/28725046/the-location-of-the-deepest-point-of-the-eyeball-determines-the-optic-disc-configuration
#4
Yong Chan Kim, Younhea Jung, Hae-Young Lopilly Park, Chan Kee Park
Tilted and rotated appearances are hallmarks of the myopic optic disc. As the eyeball grows axially, the posterior pole elongates not only globally but in a localized manner as well. In this process, the optic disc is pulled towards the deepest point of the elongated eyeball, which might result in a change in optic disc configuration. Thus, we hypothesized that analyzing the variation of posterior pole contour can play a major role in understanding optic disc configuration in myopic subjects. By analyzing consecutive images of swept source OCT coronal sections at the posterior pole, the deepest interface between Bruch's membrane and the choroid could be identified as the deepest point of the eyeball (DPE)...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28723835/a-modified-supine-position-facilitates-bladder-function-in-patients-undergoing-percutaneous-coronary-intervention-a-randomized-controlled-clinical-trial
#5
Yisi Liu, Ying Zhang, Ying Wu, Malcolm Elliott
BACKGROUND: Percutaneous coronary intervention (PCI) is currently the most common intervention for cardiovascular disease. Standard care after PCI typically involves a period of bed rest in the supine position, but this position creates voiding difficulties. OBJECTIVE: This study aimed to determine whether a modified supine position could facilitate bladder emptying after PCI. METHOD: A randomized controlled trial involving 300 patients was conducted...
July 18, 2017: Journal of Cardiovascular Nursing
https://www.readbyqxmd.com/read/28723223/free-energy-of-binding-and-mechanism-of-interaction-for-the-meevd-tpr2a-peptide-protein-complex
#6
Mauro Lapelosa
The association between the MEEVD C-terminal peptide from the heat shock protein 90 (Hsp90) and tetratricopeptide repeat A (TPR2A) domain of the heat shock organizing protein (Hop) is a useful prototype to study the fundamental molecular details about the Hop-Hsp90 interaction. We study here the mechanism of binding/unbinding, and compute the standard binding free energy and potential of mean force for the association of the MEEVD peptide to the TPR2A domain using the Adaptive Biasing Force (ABF) methodology...
July 19, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/28721414/single-component-supported-lipid-bilayers-probed-using-broadband-nonlinear-optics
#7
Laura L Olenick, Hilary M Chase, Li Fu, Yun Zhang, Alicia C McGeachy, Merve Dogangun, Stephanie R Walter, Hong-Fei Wang, Franz M Geiger
Broadband SFG spectroscopy is shown to offer considerable advantages over scanning systems in terms of signal-to-noise ratios when probing well-formed single-component supported lipid bilayers formed from zwitterionic lipids with PC headgroups. The SFG spectra obtained from bilayers formed from DOPC, POPC, DLPC, DMPC, DPPC and DSPC show a common peak at ∼2980 cm(-1), which is subject to interference between the C-H and the O-H stretches from the aqueous phase, while membranes having transition temperatures above the laboratory temperature produce SFG spectra with at least two additional peaks, one at ∼2920 cm(-1) and another at ∼2880 cm(-1)...
July 19, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28720881/patients-with-orthostatic-intolerance-relationship-to-autonomic-function-tests-results-and-reproducibility-of-symptoms-on-tilt
#8
Hyung Lee, Phillip A Low, Hyun Ah Kim
This study was designed to investigate the frequency and pattern of orthostatic symptoms during head-up tilt (HUT) in patients with orthostatic intolerance during daily life, and to identify the relationship between the orthostatic symptoms during HUT and autonomic parameters. We prospectively collected autonomic data from 464 patients with orthostatic symptoms. Adrenergic and cardiovagal function tests including HUT were performed. Based on HUT results, we divided patients into orthostatic hypotension (OH), postural tachycardia syndrome (POTS), or normal HUT groups...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28717991/prolonged-bed-rest-impairs-rapid-cpi-17-phosphorylation-and-contraction-in-rat-mesenteric-resistance-arteries-to-cause-orthostatic-hypotension
#9
Toshio Kitazawa, Kazuyo Kitazawa
Prolonged bed rest (PBR) causes orthostatic hypotension (OH). Rapid constriction of splanchnic resistance arteries in response to a sudden increase in sympathetic tone contributes to the recovery of orthostatic arterial pressure upon standing. However, the molecular mechanism of PBR-induced dysfunction in arterial constriction is not fully understood. Previously, we showed that CPI-17, a regulatory protein for myosin phosphatase, mediates α1A-adrenergic receptor-induced rapid contraction of small mesenteric arteries...
July 17, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28717604/central-vestibular-syndrome-in-a-red-fox-vulpes-vulpes-with-presumptive-right-caudal-cerebral-artery-ischemic-infarct-and-prevalent-midbrain-involvement
#10
Mario Ricciardi, Floriana Gernone, Antonio De Simone, Pasquale Giannuzzi
A wild young male red fox (Vulpes vulpes) was found in the mountainous hinterland of Rome (Italy) with a heavily depressed mental status and unresponsive to the surrounding environment. Neurological examination revealed depression, left circling, right head tilt, ventromedial positional strabismus and decreased postural reactions on the left side. Neurological abnormalities were suggestive of central vestibular syndrome. Two consecutive MRIs performed with 30 days interval were compatible with lacunar ischemic infarct in the territory of right caudal cerebral artery and its collateral branches...
2017: Open veterinary journal
https://www.readbyqxmd.com/read/28717053/pure-autonomic-failure
#11
REVIEW
Thomas P Brown
Pure autonomic failure is a degenerative disorder of the peripheral autonomic nervous system. Patients experience symptomatic hypotension that requires them to sit, squat or lie down to prevent syncope. It is associated with characteristic histopathological findings, resulting in neuronal cytoplasmic inclusions in the peripheral autonomic nerves. These lesions are responsible for defects in the synthesis and release of norepinephrine from sympathetic nerve terminals, resulting in significant hypotension. Patients with autonomic failure also have exaggerated blood pressure responses to common stimuli such as food or fluid intake, heat, exercise and medications...
July 17, 2017: Practical Neurology
https://www.readbyqxmd.com/read/28714763/effects-of-trial-duration-on-intrasession-reliability-of-single-leg-balance-testing-on-stable-and-unstable-surfaces
#12
Bryan I Riemann, Kelsey Piersol, George J Davies
CONTEXT: Single leg balance testing is a commonly used tool in sports medicine; however, there has been no consensus on trial duration needed to obtain reliable measures. OBJECTIVE: This investigation sought to determine the minimum trial duration required to obtain the highest intrasession single and average trial reliability for single leg balance testing on stable and unstable surfaces using dominant and nondominant limbs. DESIGN: Intrasession reliability...
July 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28714133/tilted-pillar-array-fabrication-by-the-combination-of-proton-beam-writing-and-soft-lithography-for-microfluidic-cell-capture-part-2-image-sequence-analysis-based-evaluation-and-biological-application
#13
Gabor Járvás, Tamas Varga, Marton G Szigeti, Laszlo Hajba, Peter Fürjes, Istvan Rajta, Andras Guttman
As a continuation of our previously published work, this paper presents a detailed evaluation of a microfabricated cell capture device utilizing a doubly tilted micropillar array. The device was fabricated using a novel hybrid technology based on the combination of proton beam writing and conventional lithography techniques. Tilted pillars offer unique flow characteristics and support enhanced fluidic interaction for improved immuno-affinity based cell capture. The performance of the microdevice was evaluated by an image sequence analysis based in-house developed single cell tracking system...
July 17, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28713841/design-and-implementation-of-an-optimal-laser-pulse-front-tilting-scheme-for-ultrafast-electron-diffraction-in-reflection-geometry-with-high-temporal-resolution
#14
Francesco Pennacchio, Giovanni M Vanacore, Giulia F Mancini, Malte Oppermann, Rajeswari Jayaraman, Pietro Musumeci, Peter Baum, Fabrizio Carbone
Ultrafast electron diffraction is a powerful technique to investigate out-of-equilibrium atomic dynamics in solids with high temporal resolution. When diffraction is performed in reflection geometry, the main limitation is the mismatch in group velocity between the overlapping pump light and the electron probe pulses, which affects the overall temporal resolution of the experiment. A solution already available in the literature involved pulse front tilt of the pump beam at the sample, providing a sub-picosecond time resolution...
July 2017: Structural Dynamics (Melville, N.Y.)
https://www.readbyqxmd.com/read/28713055/anterior-and-nasal-transposition-of-inferior-oblique-muscle-in-cases-of-superior-oblique-palsy
#15
Rohit Saxena, Medha Sharma, Digvijay Singh, Pradeep Sharma
PURPOSE: To report long-term outcome of inferior oblique anterior and nasal transposition in superior oblique palsy. METHODS: The medical records of patients with superior oblique palsy who underwent inferior oblique anterior nasal transposition were reviewed retrospectively. A comprehensive ophthalmic evaluation, including prism bar cover test and measurement of torsion, was performed for all cases. One-year postoperative results were evaluated for alignment in primary gaze, contralateral gaze, and upgaze; reduction in inferior oblique overaction and changes in fundus torsion to assess long-term outcome of the procedure...
July 13, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28712802/efficacy-of-a-pelvic-lateral-positioner-with-a-mechanical-cup-navigator-based-on-the-anatomical-pelvic-plane-in-total-hip-arthroplasty
#16
Kentaro Iwakiri, Akio Kobayashi, Yoichi Ohta, Yukihide Minoda, Kunio Takaoka, Hiroaki Nakamura
BACKGROUND: The acetabular component orientation in total hip arthroplasty (THA) is of critical importance to the good clinical results. However, traditional widely used cup alignment guides for cup placement are reported to be relatively unreliable. The present study aims at comparing a novel cup alignment guide, which can be attached to our anatomical pelvic plane (APP) pelvic lateral positioner for reducing discrepancies in sagittal pelvic tilt and indicate a targeted cup angle based on the APP, with a conventional cup alignment guide...
June 27, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28712801/the-effect-of-pelvic-tilt-and-femoral-head-size-on-hip-range-of-motion-to-impingement
#17
Thomas F McCarthy, Jim Nevelos, Randa K Elmallah, Morad Chughtai, Anton Khlopas, Vincent Alipit, Timothy C Wagner, Michael A Mont
BACKGROUND: About 50%-70% of dislocators have cups placed within so-called "safe zones." It has been postulated that factors such as femoral head size and pelvic tilt, obliquity, or rotation may influence postoperative stability. Therefore, we assessed varying degrees of pelvic tilt and head sizes on the range of motion (ROM) to impingement. METHODS: A hip simulator was used to import models of 10 subjects who performed object pickup, squatting, and low-chair rising...
June 15, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28710358/latitudinal-cline-of-chronotype
#18
Mario André Leocadio-Miguel, Fernando Mazzili Louzada, Leandro Lourenção Duarte, Roberta Peixoto Areas, Marilene Alam, Marcelo Ventura Freire, John Fontenele-Araujo, Luiz Menna-Barreto, Mario Pedrazzoli
The rotation of the Earth around its own axis and around the sun determines the characteristics of the light/dark cycle, the most stable and ancient 24 h temporal cue for all organisms. Due to the tilt in the earth's axis in relation to the plane of the earth's orbit around the sun, sunlight reaches the Earth differentially depending on the latitude. The timing of circadian rhythms varies among individuals of a given population and biological and environmental factors underlie this variability. In the present study, we tested the hypothesis that latitude is associated to the regulation of circadian rhythm in humans...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28709947/combination-of-whole-spine-lateral-radiograph-and-lateral-scanogram-in-the-assessment-of-global-sagittal-balance
#19
Chang-Hoon Jeon, Kyu-Sung Kwack, Sunghoon Park, Han-Dong Lee, Nam-Su Chung
BACKGROUND CONTEXT: Global balance of human standing is analyzed as the geometric sum of the individual alignments extending from the spinal column to the pelvis, and to the lower limbs. The innovative EOS system has opened new perspectives for the global analysis of whole body alignment, but its use is very limited due to its high cost. An alternative may be to combine the whole spine lateral radiograph and the lateral scanogram in the global sagittal analysis of whole body alignment...
July 11, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28709302/bifurcation-trees-of-stark-wannier-ladders-for-accelerated-bose-einstein-condensates-in-an-optical-lattice
#20
Andrea Sacchetti
In this paper we show that in the semiclassical regime of periodic potential large enough, the Stark-Wannier ladders become a dense energy spectrum because of a cascade of bifurcations while increasing the ratio between the effective nonlinearity strength and the tilt of the external field; this fact is associated to a transition from regular to quantum chaotic dynamics. The sequence of bifurcation points is explicitly given.
June 2017: Physical Review. E
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