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https://www.readbyqxmd.com/read/28647883/casper-computer-aided-segmentation-of-imperceptible-motion-a-learning-based-tracking-of-an-invisible-needle-in-ultrasound
#1
Parmida Beigi, Robert Rohling, Septimiu E Salcudean, Gary C Ng
PURPOSE: This paper presents a new micro-motion-based approach to track a needle in ultrasound images captured by a handheld transducer. METHODS: We propose a novel learning-based framework to track a handheld needle by detecting microscale variations of motion dynamics over time. The current state of the art on using motion analysis for needle detection uses absolute motion and hence work well only when the transducer is static. We have introduced and evaluated novel spatiotemporal and spectral features, obtained from the phase image, in a self-supervised tracking framework to improve the detection accuracy in the subsequent frames using incremental training...
June 24, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28647570/young-children-s-attributions-of-causal-power-to-novel-invisible-entities
#2
Jonathan D Lane, Patrick Shafto
In two studies, we investigated the development of children's reasoning about potent invisible entities. In Study 1, children aged 2.2-5.5years (N=48) were briefly told about a novel invisible substance that could produce a novel outcome-make a novel box turn green. During this introduction, children watched as one container was inverted over a box and the box lit up green, and then another identical container was inverted over the box and the box did not light up. On test trials, the experimenter inserted a spoon in novel (actually empty) containers and inverted the spoon over the box, which turned green in one trial and did not light up in the other trial...
June 22, 2017: Journal of Experimental Child Psychology
https://www.readbyqxmd.com/read/28646947/measles-immune-suppression-and-vaccination-direct-and-indirect-nonspecific-vaccine-benefits
#3
Michael J Mina
The measles virus is among the most transmissible viruses known to infect humans. Prior to measles vaccination programs, measles infected over 95% of all children and was responsible for over 4 million deaths each year. Measles vaccination programs have been among the greatest public health achievements reducing, eliminating endemic measles in the whole of the Americas and across much of the globe. Where measles vaccines are introduced, unexpectedly large reductions in all-cause childhood mortality have been observed...
June 2017: Journal of Infection
https://www.readbyqxmd.com/read/28641585/cancer-bereaved-siblings-positive-and-negative-memories-and-experiences-of-illness-and-death-a-nationwide-follow-up
#4
Mary-Elizabeth Bradley Eilertsen, Malin Lövgren, Alexandra Eilegård Wallin, Ulrika Kreicbergs
OBJECTIVE: Our aim was to explore bereaved siblings' positive and negative memories and experiences of their brother's or sister's illness and death. METHOD: In our nationwide Swedish study, 174 of 240 (73%) bereaved siblings participated, and 70% responded to two open-ended statements, which focused on siblings' positive and negative memories and experiences of illness and death. The data were analyzed using systematic text condensation. RESULTS: The bereaved siblings' responses were categorized into four different themes: (1) endurance versus vulnerability, (2) family cohesion versus family conflicts, (3) growth versus stagnation, and (4) professional support versus lack of professional support...
June 23, 2017: Palliative & Supportive Care
https://www.readbyqxmd.com/read/28635383/rendering-lgbtq-visible-in-nursing-embodying-the-philosophy-of-caring-science
#5
Lisa Goldberg, Neal Rosenburg, Jean Watson
Although health care institutions continue to address the importance of diversity initiatives, the standard(s) for treatment remain historically and institutionally grounded in a sociocultural privileging of heterosexuality. As a result, lesbian, gay, bisexual, transgender, and queer (LGBTQ+) communities in health care remain largely invisible. This marked invisibility serves as a call to action, a renaissance of thinking within redefined boundaries and limitations. We must therefore refocus our habits of attention on the wholeness of persons and the diversity of their storied experiences as embodied through contemporary society...
June 1, 2017: Journal of Holistic Nursing: Official Journal of the American Holistic Nurses' Association
https://www.readbyqxmd.com/read/28635122/sketching-the-invisible-to-predict-the-visible-from-drawing-to-modeling-in-chemistry
#6
Melanie M Cooper, Mike Stieff, Dane DeSutter
Sketching as a scientific practice goes beyond the simple act of inscribing diagrams onto paper. Scientists produce a wide range of representations through sketching, as it is tightly coupled to model-based reasoning. Chemists in particular make extensive use of sketches to reason about chemical phenomena and to communicate their ideas. However, the chemical sciences have a unique problem in that chemists deal with the unseen world of the atomic-molecular level. Using sketches, chemists strive to develop causal mechanisms that emerge from the structure and behavior of molecular-level entities, to explain observations of the macroscopic visible world...
June 21, 2017: Topics in Cognitive Science
https://www.readbyqxmd.com/read/28632089/older-lesbians-receiving-home-care-formal-and-informal-dimensions-of-caregiving
#7
Sandra S Butler
Older lesbians face the triple jeopardy of ageism, sexism, and heterosexism, and their experiences are largely invisible. This qualitative, exploratory study examines the formal and informal caregiving experiences of 20 lesbians, 65 and older, who had utilized home care services due to acute illness or chronic disabilities. Half of those not partnered reported some level of isolation from support networks. Nearly all study participants eventually found home care workers with whom they were satisfied and even quite connected...
March 1, 2017: Journal of Women & Aging
https://www.readbyqxmd.com/read/28632078/-less-than-a-vapor-positioning-black-lesbian-women-in-history-teacher-education
#8
Ashley N Woodson
In this article, I discuss the possibilities and implications of centering Black lesbian identities and relationships in history teacher education through a case study with one straight Black woman preservice history teacher named Danitra. Danitra's understanding and navigation of historical research on Black lesbians are discussed in relation to core themes of lesbian historiography and emancipatory historiography. Though the literature on this group is limited, I argue that critical considerations of Black lesbians' interests and experiences help educators to conceive of and teach about history, citizenship, justice, and sexuality in more liberatory ways...
September 22, 2016: Journal of Lesbian Studies
https://www.readbyqxmd.com/read/28630877/male-partnered-sexual-minority-women-sexual-identity-disclosure-to-health-care-providers-during-the-perinatal-period
#9
Abbie E Goldberg, Lori E Ross, Melissa H Manley, Jonathan J Mohr
Male-partnered sexual minority women (SMW) have received little research attention, despite the fact that they represent a large proportion of SMW - particularly child-bearing SMW. Male-partnered SMW are less "out" than female-partnered SMW and will likely be "read" as heterosexual by perinatal providers. Given this, and evidence that pregnant women have unique mental health care needs, the current study focuses on male-partnered SMW (n = 28) during the perinatal period, recruited from Toronto, Canada and Massachusetts, USA, in an effort to understand disclosure and concealment processes in general and to perinatal heath care providers specifically...
March 2017: Psychology of Sexual Orientation and Gender Diversity
https://www.readbyqxmd.com/read/28627015/small-proteins-encoded-by-unannotated-orfs-are-rising-stars-of-the-proteome-confirming-shortcomings-in-genome-annotations-and-current-vision-of-an-mrna
#10
REVIEW
Vivian Delcourt, Antanas Staskevicius, Michel Salzet, Isabelle Fournier, Xavier Roucou
Short ORF-encoded peptides and small proteins in eukaryotes have been hiding in the shadow of large proteins for a long time. Recently, improved identifications in MS-based proteomics and ribosome profiling resulted in the detection of large numbers of small proteins. The variety of functions of small proteins is also emerging. It seems to be the right time to reflect on why small proteins remained invisible. In addition to the obvious technical challenge of detecting small proteins, they were mostly forgotten from annotations and they escaped detection because they were not sought...
June 19, 2017: Proteomics
https://www.readbyqxmd.com/read/28625413/invisible-people-with-invisible-pain-a-commentary-on-even-my-sister-says-i-m-acting-like-a-crazy-to-get-a-check-race-gender-and-moral-boundary-work-in-women-s-claims-of-disabling-chronic-pain
#11
Joanna Kempner
This commentary to Pryma's (2017) article on women with fibromyalgia argues that intersectional approaches to health research can reveal not only how racialized institutions shape illness experience and medical care, but also how these institutions make some individuals visible, while rendering others invisible. Perhaps by adopting an intersectional approach to understanding health, we can start to unpack the multiple jeopardies faced by people of color in pain.
June 10, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28623421/comparison-of-dual-energy-ct-ultrasound-and-surface-measurement-for-assessing-tophus-dissolution-during-rapid-urate-debulking
#12
Dodji V Modjinou, Svetlana Krasnokutsky, Soterios Gyftopoulos, Virginia C Pike, Elaine Karis, Robert T Keenan, Kristen Lee, Daria B Crittenden, Jonathan Samuels, Michael H Pillinger
Tophaceous gout is painful and impairs quality of life. The optimal modality for assessing tophus resolution in response to urate-lowering treatment remains poorly defined. Using pegloticase as a model system for resolving tophi, we compared multiple imaging and physical diagnostic strategies for assessing tophus resolution. A 32-year-old subject with chronic refractory tophaceous gout was enrolled and received 6 months of pegloticase treatment. Measurements of tophi using vernier calipers (monthly), photographs and musculoskeletal ultrasound (MSK-US; every 3 months), and dual-energy CT (DECT) were compared...
June 16, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28621823/raw-material-procurement-for-termite-fishing-tools-by-wild-chimpanzees-in-the-issa-valley-western-tanzania
#13
Katarina Almeida-Warren, Volker Sommer, Alex K Piel, Alejandra Pascual-Garrido
OBJECTIVES: Chimpanzee termite fishing has been studied for decades, yet the selective processes preceding the manufacture of fishing tools remain largely unexplored. We investigate raw material selection and potential evidence of forward planning in the chimpanzees of Issa valley, western Tanzania. MATERIALS AND METHODS: Using traditional archaeological methods, we surveyed the location of plants from where chimpanzees sourced raw material to manufacture termite fishing tools, relative to targeted mounds...
June 16, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28620579/delineation-of-the-prostate-bed-the-invisible-target-is-still-an-issue
#14
Igor Latorzeff, Paul Sargos, Geneviève Loos, Stéphane Supiot, Stéphane Guerif, Christian Carrie
For pathological high-risk prostate cancer, adjuvant irradiation has shown a survival benefit. Phase III studies have highlighted that half men would face biochemical relapse and would be candidate for radiotherapy at adjuvant or salvage times. Despite at least four published international contouring guidelines from different collaborative groups, discrepancies remain for volumes, delineation, and margins to be considered in order to optimize radiotherapy planning. This article from "Groupe d'Etude des Tumeurs UroGénitales (GETUG)" members will focus on controversies to help clinicians to create best volume delineation for adjuvant or salvage post prostatectomy radiotherapy...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28619043/effect-of-transcutaneous-electrical-stimulation-treatment-on-lower-urinary-tract-symptoms-after-class-iii-radical-hysterectomy-in-cervical-cancer-patients-study-protocol-for-a-multicentre-randomized-controlled-trial
#15
Xiu-Li Sun, Hai-Bo Wang, Zhi-Qi Wang, Ting-Ting Cao, Xin Yang, Jing-Song Han, Yang-Feng Wu, Kathleen H Reilly, Jian-Liu Wang
BACKGROUND: Class III radical hysterectomy (RH III)_plus pelvic lymphadenectomy is the standard surgery for early stage cervical cancer (CC) patients, the 5 year survival rate is about 90%, but pelvic floor disorders especially bladder dysfunction are common due to damaged vessels and nerve fibers following surgery. Transcutaneous electrical stimulation (TENS) treatment has been used to treat bladder disorders for many years, but its effect on cervical cancer patients, the best treatment time point and stimulated protocol, had never been assessed...
June 15, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28615659/invisible-noise-obscures-visible-signal-in-insect-motion-detection
#16
Ghaith Tarawneh, Vivek Nityananda, Ronny Rosner, Steven Errington, William Herbert, Bruce G Cumming, Jenny C A Read, Ignacio Serrano-Pedraza
The motion energy model is the standard account of motion detection in animals from beetles to humans. Despite this common basis, we show here that a difference in the early stages of visual processing between mammals and insects leads this model to make radically different behavioural predictions. In insects, early filtering is spatially lowpass, which makes the surprising prediction that motion detection can be impaired by "invisible" noise, i.e. noise at a spatial frequency that elicits no response when presented on its own as a signal...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28614416/multispectral-imaging-reveals-biblical-period-inscription-unnoticed-for-half-a-century
#17
Shira Faigenbaum-Golovin, Anat Mendel-Geberovich, Arie Shaus, Barak Sober, Michael Cordonsky, David Levin, Murray Moinester, Benjamin Sass, Eli Turkel, Eli Piasetzky, Israel Finkelstein
Most surviving biblical period Hebrew inscriptions are ostraca-ink-on-clay texts. They are poorly preserved and once unearthed, fade rapidly. Therefore, proper and timely documentation of ostraca is essential. Here we show a striking example of a hitherto invisible text on the back side of an ostracon revealed via multispectral imaging. This ostracon, found at the desert fortress of Arad and dated to ca. 600 BCE (the eve of Judah's destruction by Nebuchadnezzar), has been on display for half a century. Its front side has been thoroughly studied, while its back side was considered blank...
2017: PloS One
https://www.readbyqxmd.com/read/28612414/the-invisible-scaffold%C3%A2-with-invisible-benefits
#18
EDITORIAL
Sandeep K Krishnan, Larry S Dean
Authors suggest the use of an investigator-owned and directed, prospective, non-randomized, single-arm multicenter registry at 23 Italian hospitals to follow 500 STEMI patients who receive BVS. Follow-up of patients is out to 5 years to determine how a BVS which has been deployed according to the IFU performs in these ACS patients. There is no comparator arm. Mandate that patients included in this registry follow a strict BVS implantation protocol which is felt to mitigate the not insignificant stent thrombosis rates noted with BVS to date...
June 1, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28608328/towards-accurate-and-precise-t-1-and-extracellular-volume-mapping-in-the-myocardium-a-guide-to-current-pitfalls-and-their-solutions
#19
REVIEW
Donnie Cameron, Vassilios S Vassiliou, David M Higgins, Peter D Gatehouse
Mapping of the longitudinal relaxation time (T 1) and extracellular volume (ECV) offers a means of identifying pathological changes in myocardial tissue, including diffuse changes that may be invisible to existing T 1-weighted methods. This technique has recently shown strong clinical utility for pathologies such as Anderson-Fabry disease and amyloidosis and has generated clinical interest as a possible means of detecting small changes in diffuse fibrosis; however, scatter in T 1 and ECV estimates offers challenges for detecting these changes, and bias limits comparisons between sites and vendors...
June 12, 2017: Magma
https://www.readbyqxmd.com/read/28606359/opposite-erp-effects-for-conscious-and-unconscious-semantic-processing-under-continuous-flash-suppression
#20
Yung-Hao Yang, Jifan Zhou, Kuei-An Li, Tifan Hung, Alan J Pegna, Su-Ling Yeh
We examined whether semantic processing occurs without awareness using continuous flash suppression (CFS). In two priming tasks, participants were required to judge whether a target was a word or a non-word, and to report whether the masked prime was visible. Experiment 1 manipulated the lexical congruency between the prime-target pairs and Experiment 2 manipulated their semantic relatedness. Despite the absence of behavioral priming effects (Experiment 1), the ERP results revealed that an N4 component was sensitive to the prime-target lexical congruency (Experiment 1) and semantic relatedness (Experiment 2) when the prime was rendered invisible under CFS...
June 10, 2017: Consciousness and Cognition
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