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https://www.readbyqxmd.com/read/28213553/automated-cell-tracking-identifies-mechanically-oriented-cell-divisions-during-drosophila-axis-elongation
#1
Michael F Z Wang, Miranda Hunter, Gang Wang, Christopher McFaul, Christopher M Yip, Rodrigo Fernandez-Gonzalez
Embryos extend their anterior-posterior (AP) axis in the conserved process of axis elongation. Drosophila axis elongation occurs in an epithelial monolayer, the germband, and is driven by cell intercalation, cell shape changes, and oriented cell divisions at the posterior germband. Anterior germband cells also divide during axis elongation. We developed image analysis and pattern recognition methods to track dividing cells from confocal microscopy movies in a generally-applicable approach. Mesectoderm cells, forming the ventral midline, divided parallel to the AP axis, while lateral cells displayed a uniform distribution of division orientations...
February 17, 2017: Development
https://www.readbyqxmd.com/read/28203629/effects-of-cues-to-event-segmentation-on-subsequent-memory
#2
David A Gold, Jeffrey M Zacks, Shaney Flores
To remember everyday activity it is important to encode it effectively, and one important component of everyday activity is that it consists of events. People who segment activity into events more adaptively have better subsequent memory for that activity, and event boundaries are remembered better than event middles. The current study asked whether intervening to improve segmentation by cuing effective event boundaries would enhance subsequent memory for events. We selected a set of movies that had previously been segmented by a large sample of observers and edited them to provide visual and auditory cues to encourage segmentation...
2017: Cogn Res Princ Implic
https://www.readbyqxmd.com/read/28201928/movie-piracy-networks-at-alaba-international-market-lagos-nigeria
#3
Oludayo Tade, Okoro Paul Mmahi
This study examined the veiled chain of film piracy, a major crime in the Nigeria entertainment industry. Studies on film piracy in Nigeria have focused on its economic implications, both on the copyright owners and on the Nigerian economy. The organization of the activities of the film pirates has, however, been neglected. Narratives were extracted through in-depth interviews with pirates, "marketers," and "producers." Data indicated that pirates were insiders in the film marketing industry and included importers of foreign movies, registered and nonregistered retailers of Nigerian films, as well as marketers appointed by copyright owners to distribute their films...
February 1, 2017: International Journal of Offender Therapy and Comparative Criminology
https://www.readbyqxmd.com/read/28191929/stop-frame-filming-and-discovery-of-reactions-at-the-single-molecule-level-by-transmission-electron-microscopy
#4
Thomas W Chamberlain, Johannes Biskupek, Stephen T Skowron, Alexander V Markevich, Simon Kurasch, Oliver Reimer, Kate Walker, Graham A Rance, Xinliang Feng, Klaus Müllen, Andrey Turchanin, Maria A Lebedeva, Alexander Majouga, Valentine Georgievich Nenajdenko, Ute Kaiser, Elena Besley, Andrei N Khlobystov
We report an approach - named chemTEM - to follow chemical transformations at the single-molecule level with the electron beam of a transmission electron microscope (TEM) applied as both a tuneable source of energy and a sub-Angstrom imaging probe. Deposited on graphene, disk-shaped perchlorocoronene molecules are precluded from intermolecular interactions. This allows monomolecular transformations to be studied at the single-molecule level in real time and reveals chlorine elimination and reactive aryne formation as a key initial stage of multi-step reactions initiated by the 80 keV e-beam...
February 13, 2017: ACS Nano
https://www.readbyqxmd.com/read/28186917/nystr%C3%A3-m-approximated-temporally-constrained-multisimilarity-spectral-clustering-approach-for-movie-scene-detection
#5
Rameswar Panda, Sanjay K Kuanar, Ananda S Chowdhury
Movie scene detection has emerged as an important problem in present day multimedia applications. Since a movie typically consists of huge amount of video data with widespread content variations, detecting a movie scene has become extremely challenging. In this paper, we propose a fast yet accurate solution for movie scene detection using Nyström approximated multisimilarity spectral clustering with a temporal integrity constraint. We use multiple similarity matrices to model the wide content variations typically present in any movie dataset...
February 7, 2017: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28182602/quickstats-percentage-of-adults-aged-%C3%A2-45-years-who-found-it-very-difficult-or-were-unable-to-go-shopping-or-attend-movies-or-sporting-events-%C3%A2-by-degree-of-hearing-difficulty-%C3%A2-and-sex-national-health-interview-survey-%C3%A2-united-states-2014-2015
#6
(no author information available yet)
During 2014-2015, adults aged ≥45 years were more likely to find it difficult or be unable to go shopping or go to movies or sporting events as hearing difficulties increased (even with the use of a hearing aid), from 8.1% among those with no difficulty hearing to 16.4% among those with some difficulty hearing, and to 24.3% among those with a lot of difficulty hearing or who were unable to hear. This relationship was found for both men and women. Women were more likely than men to report limitations in these activities at each level of hearing difficulty...
February 10, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28169877/ising-model-of-choriocapillaris-flow
#7
Richard F Spaide
PURPOSE: To develop a mathematical model of local blood flow in the choriocapillaris using an Ising model. METHODS: A JavaScript Ising model was used to create images that emulated the development of signal voids as would be seen in optical coherence tomography angiography of the choriocapillaris. The model was produced by holding the temperature near criticality and varying the field strength. Individual frames were evaluated, and a movie video was created to show the hypothetical development of flow-related signal voids over a lifetime...
February 6, 2017: Retina
https://www.readbyqxmd.com/read/28169424/callous-unemotional-impulsive-irresponsible-and-grandiose-manipulative-traits-distinct-associations-with-heart-rate-skin-conductance-and-startle-responses-to-violent-and-erotic-scenes
#8
Kostas A Fanti, Melina N Kyranides, Giorgos Georgiou, Maria Petridou, Olivier F Colins, Catherine Tuvblad, Henrik Andershed
The present study aimed to examine whether callous-unemotional, grandiose-manipulative, and impulsive-irresponsible dimensions of psychopathy are differentially related to various affective and physiological measures, assessed at baseline and in response to violent and erotic movie scenes. Data were collected from young adults (N = 101) at differential risk for psychopathic traits. Findings from regression analyses revealed a unique predictive contribution of grandiose-manipulative traits in particular to higher ratings of positive valence for violent scenes...
February 7, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28167241/the-effect-of-sunitinib-treatment-in-human-melanoma-xenografts-associations-with-angiogenic-profiles
#9
Jon-Vidar Gaustad, Trude G Simonsen, Lise Mari K Andersen, Einar K Rofstad
The effect of antiangiogenic agents targeting the vascular endothelial growth factor A (VEGF-A) pathway has been reported to vary substantially in preclinical studies. The purpose of this study was to investigate the effect of sunitinib treatment on tumor vasculature and oxygenation in melanoma xenografts with different angiogenic profiles. A-07, U-25, D-12, or R-18 melanoma xenografts were grown in dorsal window chambers and given daily treatments of sunitinib (40 mg/kg) or vehicle. Morphologic parameters of tumor vascular networks were assessed from high-resolution transillumination images, and tumor blood supply times (BSTs) were assessed from first-pass imaging movies...
February 2, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28166439/how-movies-shape-students-attitudes-toward-individuals-with-schizophrenia-an-exploration-of-the-relationships-between-entertainment-experience-and-stigmatization
#10
Alexander Röhm, Matthias R Hastall, Ute Ritterfeld
No abstract text is available yet for this article.
February 6, 2017: Issues in Mental Health Nursing
https://www.readbyqxmd.com/read/28161891/genius-begins-at-home-shared-social-identity-enhances-the-recognition-of-creative-performance
#11
Niklas K Steffens, S Alexander Haslam, Michelle K Ryan, Kathryn Millard
The present research examines the extent to which the recognition of creative performance is structured by social group membership. It does this by analysing the award of merit prizes for Best Actor and Actress in a Leading Role for the international award of US-based Oscars and British-based BAFTAs since BAFTA's inception of this category in 1968. For both awards, the exclusive assessment criterion is the quality of artists' performance in the international arena. Results show that US artists won a greater proportion of Oscars than BAFTAs (odds ratio: 2...
February 5, 2017: British Journal of Psychology
https://www.readbyqxmd.com/read/28151976/transient-emotional-events-and-individual-affective-traits-affect-emotion-recognition-in-a-perceptual-decision-making-task
#12
Emilie Qiao-Tasserit, Maria Garcia Quesada, Lia Antico, Daphne Bavelier, Patrik Vuilleumier, Swann Pichon
Both affective states and personality traits shape how we perceive the social world and interpret emotions. The literature on affective priming has mostly focused on brief influences of emotional stimuli and emotional states on perceptual and cognitive processes. Yet this approach does not fully capture more dynamic processes at the root of emotional states, with such states lingering beyond the duration of the inducing external stimuli. Our goal was to put in perspective three different types of affective states (induced affective states, more sustained mood states and affective traits such as depression and anxiety) and investigate how they may interact and influence emotion perception...
2017: PloS One
https://www.readbyqxmd.com/read/28143818/superhero-physiology-the-case-for-captain-america
#13
EDITORIAL
Stanley P Brown, JohnEric W Smith, Matthew McAllister, LeeAnn Joe
Using pop icons in the science classroom represents a creative way to engage often-distracted students in a relevant and, perhaps more importantly, fun way. When the pop icon is as universally known as Captain America, the pedagogical stage is set. However, when the movies can also be employed to link dramatic references to the science concepts at hand, we may have a very powerful tool by which linkages between fiction and science can be forged. In this regard, Captain America's performances in several movies to date can be used to explain actual science...
March 1, 2017: Advances in Physiology Education
https://www.readbyqxmd.com/read/28141860/prevalence-of-high-blood-pressure-and-association-with-obesity-in-spanish-schoolchildren-aged-4-6-years-old
#14
Noelia Martín-Espinosa, Ana Díez-Fernández, Mairena Sánchez-López, Irene Rivero-Merino, Lidia Lucas-De La Cruz, Montserrat Solera-Martínez, Vicente Martínez-Vizcaíno
BACKGROUND: The prevalence of high blood pressure in children is increasing worldwide, largely, but not entirely, driven by the concurrent childhood obesity epidemic. The aims of this study were to examine the prevalence of prehypertension and hypertension in 4-to-6-year-old Spanish schoolchildren, and to evaluate the association between different blood pressure (BP) components with different adiposity indicators. METHODS: Cross-sectional study including a sample of 1...
2017: PloS One
https://www.readbyqxmd.com/read/28141727/-media-addiction-in-a-10-year-old-boy
#15
Scott Brown, Michael A Scharf, Cristina Bustos, Denise Chavira, Martin T Stein
Bryan is a 10-year-old boy who is brought to his pediatrician by his parents with concerns about oppositional behaviors. Bryan's parents report that he has always been hyperactive and oppositional since a very young age. He has been previously diagnosed with attention-deficit hyperactivity disorder and has been treated with appropriate stimulant medications for several years; however, despite this, his parents feel increasingly unable to manage his difficult behaviors. He refuses to do chores or follow through with household routines...
February 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28137870/direct-visualization-of-glutamate-transporter-elevator-mechanism-by-high-speed-afm
#16
Yi Ruan, Atsushi Miyagi, Xiaoyu Wang, Mohamed Chami, Olga Boudker, Simon Scheuring
Glutamate transporters are essential for recovery of the neurotransmitter glutamate from the synaptic cleft. Crystal structures in the outward- and inward-facing conformations of a glutamate transporter homolog from archaebacterium Pyrococcus horikoshii, sodium/aspartate symporter GltPh, suggested the molecular basis of the transporter cycle. However, dynamic studies of the transport mechanism have been sparse and indirect. Here we present high-speed atomic force microscopy (HS-AFM) observations of membrane-reconstituted GltPh at work...
January 30, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28127513/preliminary-fmri-findings-concerning-the-influence-of-5-htp-on-food-selection
#17
Stephanos Ioannou, Adrian L Williams
OBJECTIVE: This functional magnetic resonance imaging study was designed to observe how physiological brain states can alter food preferences. A primary goal was to observe food-sensitive regions and moreover examine whether 5-HTP intake would activate areas which have been associated with appetite suppression, anorexia, satiety, and weight loss. METHODS AND PROCEDURE: Fourteen healthy male and female participants took part in the study, of which half of them received the supplement 5-HTP and the rest vitamin C (control) on an empty stomach...
January 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28127169/dental-videographic-analysis-using-digital-age-media
#18
Anirudh Agarwal, Karan Seth, Siddharaj Parmar, Rahul Jhawar
AIMS AND OBJECTIVES: This study was to evaluate a new method of smile analysis using videographic and photographic softwares (as in this study Photoshop Elements X, Windows Movie Maker 2012) as primary assessment tools and to develop an index for malocclusion and treatment plan that could be used in assessing severity of maloc-clussion. HOW TO CITE THIS ARTICLE: Agarwal A, Seth K, Parmar S, Jhawar R. Dental Videographic Analysis using Digital Age Media. Int J Clin Pediatr Dent 2016;9(4):355-363...
October 2016: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28122211/tracking-equilibrium-and-nonequilibrium-shifts-in%C3%A2-data-with-trend
#19
Jia Xu, Steven R Van Doren
Principal component analysis (PCA) discovers patterns in multivariate data that include spectra, microscopy, and other biophysical measurements. Direct application of PCA to crowded spectra, images, and movies (without selecting peaks or features) was shown recently to identify their equilibrium or temporal changes. To enable the community to utilize these capabilities with a wide range of measurements, we have developed multiplatform software named TREND to Track Equilibrium and Nonequilibrium population shifts among two-dimensional Data frames...
January 24, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28118813/tumblescore-run-and-tumble-analysis-for-low-frame-rate-motility-videos
#20
Alex Eli Pottash, Ryan McKay, Chelsea R Virgile, Hana Ueda, William E Bentley
Scientists often exploit the motility of peritrichously flagellated bacteria for various applications. A common alteration is modifying the frequency of mid-movement changes in direction, known as tumbles. Such differences in bacterial swimming patterns can prove difficult to quantify, especially for those without access to high-speed optical equipment. Traditionally, scientists have resorted to less accurate techniques, such as soft agar plate assays, or have been forced to invest in costly equipment. Here, we present TumbleScore, software designed to track and quantify bacterial movies with slow, as well as fast, frame-rates...
January 1, 2017: BioTechniques
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