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The Lancet Gastroenterology Hepatology
No abstract text is available yet for this article.
April 2018: Lancet. Gastroenterology & Hepatology
Caixia Zhang, Guangyan Li, Tingting Chen, Baohua Feng, Weimeng Fu, Jinxiang Yan, Mohammad Rezaul Islam, Qianyu Jin, Longxing Tao, Guanfu Fu
BACKGROUND: Pollen tube elongation in the pistil is a key step for pollination success in plants, and auxins play an important role in this process. However, the function of auxins in pollen tube elongation in the pistil of rice under heat stress has seldom been previously reported. RESULTS: Two rice genotypes differing in heat tolerance were subjected to heat stress of 40 °C for 2 h after flowering. A sharp decrease in spikelet fertility was found in the Nipponbare (NPB) and its mutant High temperature susceptible (HTS) under heat stress, but the stress-induced spikelet sterility was reversed by 1-naphthaleneacetic acid (NAA), especially the HTS...
March 12, 2018: Rice
Karen M Devries, Franziska Meinck
No abstract text is available yet for this article.
April 2018: Lancet Global Health
Zoe M Flack, Martha Naylor, David A Leavens
We investigated how the visibility of targets influenced the type of point used to provide directions. In Study 1, we asked 605 passersby in three localities for directions to well-known local landmarks. When that landmark was in plain view behind the requester, most respondents pointed with their index fingers, and few respondents pointed more than once. In contrast, when the landmark was not in view, respondents pointed initially with their index fingers, but often elaborated with a whole-hand point. In Study 2, we covertly filmed the responses from 157 passersby we approached for directions, capturing both verbal and gestural responses...
2018: Journal of Nonverbal Behavior
Ruth Kimchi, Dina Devyatko, Shahar Sabary
In this study we examined whether grouping by luminance similarity and grouping by connectedness can occur in the absence of visual awareness, using a priming paradigm and two methods to render the prime invisible, CFS and sandwich masking under matched conditions. For both groupings, significant response priming effects were observed when the prime was reported invisible under sandwich masking, but none were obtained under CFS. These results provide evidence for unconscious grouping, converging with previous findings showing that visual awareness is not essential for certain perceptual organization processes to occur...
March 7, 2018: Consciousness and Cognition
Tatiana Fountoukidou, Philippe Raisin, Daniel Kaufmann, Jörn Justiz, Raphael Sznitman, Sebastian Wolf
PURPOSE: Selective retina therapy (SRT) is a laser treatment targeting specific posterior retinal layers. It is focused on inducing damage to the retinal pigment epithelium (RPE), while sparing other retinal tissue compared to traditional photocoagulation. However, the targeted RPE layer is invisible with most imaging modalities and induced SRT lesions cannot be monitored. In this work, imaging scans acquired from an experimental setup that couples the SRT laser beam with an optical coherence tomography (OCT) beam are analyzed in order to evaluate the treatment as they occur...
March 8, 2018: International Journal of Computer Assisted Radiology and Surgery
Emily Koert, Judith C Daniluk
OBJECTIVE: This study aimed to examine the experience of permanent childlessness after delayed childbearing. BACKGROUND: More women are delaying childbearing while they pursue a career, gain financial stability and seek an appropriate partner. However, given that fertility declines with age, there is concern that more women will end up permanently, unintentionally childless after postponing childbearing. There is little known about this growing and invisible group...
September 2017: Journal of Reproductive and Infant Psychology
Abdelwahed Mekki-Berrada
Morocco has become a permanent transit country for tens of thousands of sub-Saharan migrants heading to Europe. Many of these migrants are women who have a precarious legal status and can no longer reach Europe, whose borders have been considerably securitized since September 11, 2001. They also have no wish to risk their lives again returning south across the Sahara Desert. This paper discusses the results of an exploratory research project conducted in Morocco on the relationships between the sub-Saharan migrant women's traumatic experiences, social invisibility, and emotional distress in the context of a massive securitization of Euro-Mediterranean borders...
January 1, 2018: Transcultural Psychiatry
Sandro Galea, Roger D Vaughan
No abstract text is available yet for this article.
April 2018: American Journal of Public Health
Yukikazu Takeoka, Masanori Iwata, Takahiro Seki, Khanin Nueangnoraj, Hirotomo Nishihara, Shinya Yoshioka
In this study, we introduce the possibility of applying a colloidal amorphous array composed of fine silica particles as a structural color material to invisible information technology. The appearance of a thick film-like colloidal amorphous array formed from fine silica particles is considerably influenced by incoherent light scattering across the entire visible region. Therefore, regardless of the diameter of the fine silica particles, the thick colloidal amorphous array exhibits a white colour to the naked eye...
March 7, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
Kimihiro Nakamura, Michiru Makuuchi, Tatsuhide Oga, Tomomi Mizuochi-Endo, Toshiki Iwabuchi, Yasoichi Nakajima, Stanislas Dehaene
A growing body of neuroimaging data suggests that direct measurements of brain activity can reveal subliminal effects that remain invisible with behavior measures alone. We examined whether sentence comprehension processes could be triggered by a sequence of masked words. On each trial, participants viewed a rapid sequence of masked or unmasked words, including a subject noun, three adverbs and followed by a visible target verb. To probe the capacity limits of unconscious processing, we measured event-related potentials associated with the semantic congruency between the noun and the verb, while varying the subject position in each sentence...
March 7, 2018: European Journal of Neuroscience
Rajeev Ramanan, David Danovich, Debasish Mandal, Sason Shaik
Oriented external-electric-fields (OEEFs) are potent effectors of chemical change and control. We show that the Menshutkin reaction, between substituted pyridines and methyl iodide, can be catalyzed/inhibited at will, by just flipping the orientation of the EEF (FZ) along the "reaction axis" (Z), N---C---I. A theoretical analysis shows that catalysis/inhibition obey the Bell-Evans-Polanyi Principle. Significant catalysis is predicted also for EEFs oriented off the reaction axis. Hence, the observation of catalysis can be up-scaled and may not require orienting the reactants vis-à-vis the field...
March 7, 2018: Journal of the American Chemical Society
Graeme T Laurie, Edward S Dove, Agomoni Ganguli-Mitra, Isabel Fletcher, Catriona McMillan, Nayha Sethi, Annie Sorbie
This section focuses on the ethical, legal, social, and policy questions arising from research involving human and animal subjects.
April 2018: Cambridge Quarterly of Healthcare Ethics: CQ: the International Journal of Healthcare Ethics Committees
Maeve Casserly, Ciaran O'Neill
It seems that Ireland is lagging behind other nations in gender balance in promoting and exhibiting its history. This article seeks to interrogate current representations of women within what can be called “public history” in Ireland. It will also contextualize the integration of women as both creators and subjects of history over recent years. It will point to inadequacies, of course, but also examples of great practice that bodes well for the future.
May 2017: Public Historian
Leo van Bergen
No abstract text is available yet for this article.
March 6, 2018: Medicine, Conflict, and Survival
Alon Zivony, Tamar Saguy
Bisexuals are an invisible sexual minority. However, at the same time, bisexuals are stereotypically associated with confusion and promiscuity. Stereotype learning theories suggest that individuals who are unfamiliar with a social group are less likely to have stereotypical beliefs about its members. In contrast, it has been recently hypothesized that stereotypes about bisexuality are not necessarily learned but rather deduced based on common conceptualizations of sexuality. Because stereotypes are suppressed only if they are recognized as offensive, lack of knowledge regarding bisexual stereotypes should actually enhance their adoption...
March 5, 2018: Journal of Sex Research
Amber Young-Brice, Kristina Thomas Dreifuerst, Aaron Buseh
BACKGROUND: Nursing programs continue to be challenged to increase recruitment and retention of ethnic minority nursing students to meet the needs of a diversifying population. Ethnic minority students face a cadre of barriers, one of which is the negative implications of their own identity. This article describes a qualitative study that explored the experiences of stereotype threat among a group of ethnic minority nursing students at a large urban university. METHOD: Semistructured, one-time in-depth interviews were conducted...
March 1, 2018: Journal of Nursing Education
Yusuke Moriguchi, Hideyuki Takahashi, Tomoko Nakamata, Naoya Todo
There is a theoretical debate regarding whether children represent God with reference to a human. Most previous studies have assessed this issue focusing on knowledge/omniscience in western children. This study used a theoretical framework characterising mental capacities in terms of motivational/emotional (experience) and cognitive (agency) mental capacities and tested whether Japanese children discriminated between God, a human, a baby and an invisible agent according to these capacities. Three- to 6-year-old children were asked about the experience and agency of the agents...
March 5, 2018: International Journal of Psychology: Journal International de Psychologie
Jonas Pichat, Juan Eugenio Iglesias, Tarek Yousry, Sébastien Ourselin, Marc Modat
Histology permits the observation of otherwise invisible structures of the internal topography of a specimen. Although it enables the investigation of tissues at a cellular level, it is invasive and breaks topology due to cutting. Three-dimensional (3D) reconstruction was thus introduced to overcome the limitations of single-section studies in a dimensional scope. 3D reconstruction finds its roots in embryology, where it enabled the visualisation of spatial relationships of developing systems and organs, and extended to biomedicine, where the observation of individual, stained sections provided only partial understanding of normal and abnormal tissues...
February 21, 2018: Medical Image Analysis
Atsuhiro Kojima, Isako Saga, Mami Ishikawa
BACKGROUND: Hypoglossal nerve deficit is a possible complication caused by carotid endarterectomy (CEA). The accidental injury of the hypoglossal nerve during surgery is one of the major reasons for permanent hypoglossal nerve palsy. In this study, we investigated the usefulness of intraoperative mapping of the hypoglossal nerve to identify this nerve during CEA. METHODS: Five consecutive patients who underwent CEA for the treatment of symptomatic or asymptomatic carotid artery stenosis were studied...
February 28, 2018: World Neurosurgery
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