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https://www.readbyqxmd.com/read/28222331/the-moro-reaction-more-than-a-reflex-a-ritualized-behavior-of-nonverbal-communication
#1
Pierre V Rousseau, Florence Matton, Renaud Lecuyer, Willy Lahaye
OBJECTIVE: To propose a phylogenetic significance to the Moro reflex which remains unexplained since its publication in 1918 because both hands are free at the end of the gesture. METHOD: Among the 75 videos of healthy term newborns we have filmed in a research project on antenatal education to parenthood, we describe a sequence that clearly showed the successive movements of the Moro reflex and we report the occurrence of this reflex in the videos that were recorded from Time 0 of birth defined as the moment that lies between the birth of the thorax and the pelvis of the infant...
February 18, 2017: Infant Behavior & Development
https://www.readbyqxmd.com/read/28221003/trends-in-high-throughput-and-functional-neuroimaging-in-caenorhabditis-elegans
#2
REVIEW
Yongmin Cho, Charles L Zhao, Hang Lu
The nervous system of Caenorhabditis elegans is an important model system for understanding the development and function of larger, more complex nervous systems. It is prized for its ease of handling, rapid life cycle, and stereotyped, well-cataloged development, with the development of all 302 neurons mapped all the way from zygote to adult. The combination of easy genetic manipulation and optical transparency of the worm allows for the direct imaging of its interior with fluorescent microscopy, without physically compromising the normal physiology of the animal itself...
February 21, 2017: Wiley Interdisciplinary Reviews. Systems Biology and Medicine
https://www.readbyqxmd.com/read/28218869/child-behaviors-of-young-children-with-autism-spectrum-disorder-across-play-settings
#3
Megan MacDonald, Bridget Hatfield, Erica Twardzik
The hallmark characteristics of a diagnosis of autism spectrum disorder (ASD) are deficits in social communicative skills and the use of repetitive and/or stereotyped behaviors. In addition, children with ASD experience known motor-skill delays. The purpose of this study was to examine salient child behaviors of young children with and without ASD in 2 distinctly different play settings: a traditional social-play-based setting and a motor-behavior-based play setting. Child behavior (engagement toward parent, negativity, and attention) and dyad characteristics (connectedness) were examined in 2 distinctly different play settings...
January 2017: Adapted Physical Activity Quarterly: APAQ
https://www.readbyqxmd.com/read/28215340/quantitative-approaches-for-the-study-of-microtubule-aster-motion-in-large-eggs
#4
H Tanimoto, N Minc
The proper positioning of microtubule (MT) asters underlies fundamental processes such as nuclear centration, cell polarity, division positioning, and embryogenesis. In large eggs and early blastomeres, MT asters may exhibit long range motions with atypical speed and precision to target their functional position. The biophysical mechanisms regulating such motions remain however largely unknown. The centration of sperm asters in sea urchin embryos is a stereotypical example of such aster long range motion. In this chapter, we describe methods developed in this system to (1) quantify sperm aster 3-D motion with confocal microscopy and automated image analysis and (2) severe a portion of astral MTs with a UV laser...
2017: Methods in Cell Biology
https://www.readbyqxmd.com/read/28214449/-they-treated-me-like-crap-and-i-know-it-was-because-i-was-native-the-healthcare-experiences-of-aboriginal-peoples-living-in-vancouver-s-inner-city
#5
Ashley Goodman, Kim Fleming, Nicole Markwick, Tracey Morrison, Louise Lagimodiere, Thomas Kerr
There is growing evidence that Aboriginal peoples often experience healthcare inequalities due to racism. However, research exploring the healthcare experiences of Aboriginal peoples who use illicit substances is limited, and research rarely accounts for how multiple accounts of stigma intersect and contribute to the experiences of marginalized populations. Our research aimed to explore the healthcare experiences of Aboriginal peoples who use illicit drugs and or illicit alcohol (APWUID/A) living in Vancouver's inner city...
January 26, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28212642/beyond-cultural-stereotyping-views-on-end-of-life-decision-making-among-religious-and-secular-persons-in-the-usa-germany-and-israel
#6
Mark Schweda, Silke Schicktanz, Aviad Raz, Anita Silvers
BACKGROUND: End-of-life decision making constitutes a major challenge for bioethical deliberation and political governance in modern democracies: On the one hand, it touches upon fundamental convictions about life, death, and the human condition. On the other, it is deeply rooted in religious traditions and historical experiences and thus shows great socio-cultural diversity. The bioethical discussion of such cultural issues oscillates between liberal individualism and cultural stereotyping...
February 17, 2017: BMC Medical Ethics
https://www.readbyqxmd.com/read/28211031/differential-peer-effects-student-achievement-and-student-absenteeism-evidence-from-a-large-scale-randomized-experiment
#7
Ozkan Eren
Using data from a well-executed randomized experiment, I examine the effects of gender composition and peer achievement on high school students' outcomes in disadvantaged neighborhoods. Results show that having a higher proportion of female peers in the classroom improves girls' math test scores only in less-advanced courses. For male students, the estimated gender peer effects are positive but less precisely estimated. I also find no effect of average classroom achievement on female math test scores. Males, on the other hand, seem to benefit from a higher-achieving classroom...
February 16, 2017: Demography
https://www.readbyqxmd.com/read/28207531/delayed-effort-induced-swelling-with-myofasciitis-and-systemic-manifestations-a-so-far-unrecognized-type-of-pressure-induced-urticaria
#8
Anne-Claire Bursztejn, Dan Lipsker
Diseases characterized by recurrent symptoms with prolonged intervals without any clinical manifestations can pose diagnostic difficulties. Some diagnoses will be obvious but other situations can be very challenging.To nosologically delineate a new entity characterized by recurrent flares of induration of the forearms and legs with swelling of the extremities accompanied by intense fatigue and variable other symptoms.Retrospective observational study of patients recorded from 2000 to 2015. All patients included were seen during a consultation at the Dermatology Department of the University Hospital of Strasbourg, France...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28202868/rt-pa-with-antithrombotic-therapies-in-a-case-with-capsular-warning-syndrome
#9
Yasuhiro Fuseya, Miyuki Kawamura, Eri Matsuda, Kozue Takada, Kiwamu Watanabe, Junko Fujitake, Yoshifumi Nakaya
We herein report a case of capsular warning syndrome (CWS) that was successfully treated with recombinant tissue plasminogen activator (rt-PA). A 70-year-old woman had repeated stereotyped transient ischemic attacks (TIAs) of right hemiparesis and dysarthria. After hospitalization, argatroban, aspirin, and cilostazol were started but were ineffective. Thirteen hours after the first episode of TIAs, severe symptoms occurred. Magnetic resonance imaging showed acute infarctions in the internal capsule to corona radiata, so we used rt-PA...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28202362/effects-of-crude-extracts-of-a-saxitoxin-producer-strain-of-the-cyanobacterium-cylindrospermopsis-raciborskii-on-the-swimming-behavior-of-wild-and-laboratory-reared-guppy-poecilia-vivipara
#10
Karina C Lopes, Aloysio da S Ferrão-Filho, Everton G N Dos Santos, Rodolfo A Cunha, Cláudia P Santos
The cyanobacterium Cylindrospermopsis raciborskii is an invasive species in water supply reservoirs worldwide, which can produces cylindrospermopsins and saxitoxins. In the wild, guppy (Poecilia vivipara) can be exposed to cyanotoxins, but those born and reared in laboratory are free of this contact. The aim of this paper was to comparatively measure the locomotor activity of 'wild' and 'lab' P. vivipara before and after exposure to crude extracts of two different cultures of C. raciborskii (CYRF-01), a saxitoxin-procucer strain...
February 12, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28202145/who-kills-whom-the-micro-dynamics-of-civilian-targeting-in-civil-war
#11
Madhav Joshi, Jason Michael Quinn
Prior research on civilian targeting in civil war has focused on characteristics of either the government or rebel group that make them more or less likely to target civilians. However, no government or rebel group targets a population, but rather individuals within it. To date, no study has explored the issue of why particular civilians would be chosen by one actor versus the other. This study examines the divergent civilian-targeting strategies of governments and rebel groups. We argue that unique identification problems facing each political actor in civil war leads the parties to resort to social stereotypes based on data derived from known enemy subjects killed in combat...
March 2017: Social Science Research
https://www.readbyqxmd.com/read/28198022/self-stigma-by-people-diagnosed-with-schizophrenia-depression-and-anxiety-cross-sectional-survey-design
#12
Abd Al-Hadi Hasan, Mahmoud Musleh
AIM: This study investigated self-attitudes towards schizophrenia, depression and anxiety. METHODS: A survey was conducted with 564 people with a schizophrenia, depression and anxiety who are currently being treated at a psychiatric clinic in Amman, Jordan. RESULTS: The research found that stigma towards schizophrenia, depression and anxiety was based around three factors: preconceived stereotypes, personal responsibility/blame and the perceived inability of a patient to recover...
February 15, 2017: Perspectives in Psychiatric Care
https://www.readbyqxmd.com/read/28197997/children-s-use-of-memory-editing-strategies-to-reject-source-misinformation
#13
Kara N Moore, James M Lampinen, David A Gallo, Eryn J Adams, Ana J Bridges
This is the first reported study of children's use of two metacognitive strategies, recollection rejection and diagnostic monitoring, to reject misinformation. Recollection rejection involves the retrieval of details that disqualify an event, whereas diagnostic monitoring involves the failure to retrieve expected details. First (n = 56, age 7 years) and third graders (n = 52, age 9 years) witnessed a staged classroom interaction involving common and bizarre accidents, were presented with misinformation about the source of these events, and took a memory test...
February 15, 2017: Child Development
https://www.readbyqxmd.com/read/28197995/explaining-academic-track-boys-underachievement-in-language-grades-not-a-lack-of-aptitude-but-students-motivational-beliefs-and-parents-perceptions
#14
Anke Heyder, Ursula Kessels, Ricarda Steinmayr
BACKGROUND: Boys earn lower grades in languages than girls. The expectancy-value model by Eccles et al. (, A series of books in psychology. Achievement and achievement motives. Psychological and sociological approaches, W.H. Freeman, San Francisco, CA, 76) is a comprehensive theoretical model for explaining gender differences in educational outcomes. In the past, most studies have focused on girls' disadvantage in math and science and on the role of the students' motivational beliefs...
February 15, 2017: British Journal of Educational Psychology
https://www.readbyqxmd.com/read/28196860/the-nclx-type-na-ca-2-exchanger-ncx-9-is-required-for-patterning-of-neural-circuits-in-caenorhabditis-elegans
#15
Vishal Sharma, Soumitra Roy, Israel Sekler, Damien M O'Halloran
NCLX is a Na(+)/Ca(2+) exchanger that uses energy stored in the transmembrane sodium gradient to facilitate the exchange of sodium ions for ionic calcium. Mammals have a single NCLX, which has been shown to function primarily at the mitochondrion and is an important regulator of neuronal physiology by contributing to neurotransmission and synaptic plasticity. The role of NCLX in developmental cell patterning, for example, in neural circuits, is largely unknown. Here we describe a novel role for the Caenorhabditis elegans NCLX-type protein, NCX-9, in neural circuit formation...
February 14, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28196412/mapk3-at-the-autism-linked-human-16p11-2-locus-influences-precise-synaptic-target-selection-at-drosophila-larval-neuromuscular-junctions
#16
Sang Mee Park, Hae Ryoun Park, Ji Hye Lee
Proper synaptic function in neural circuits requires precise pairings between correct pre- and post-synaptic partners. Errors in this process may underlie development of neuropsychiatric disorders, such as autism spectrum disorder (ASD). Development of ASD can be influenced by genetic factors, including copy number variations (CNVs). In this study, we focused on a CNV occurring at the 16p11.2 locus in the human genome and investigated potential defects in synaptic connectivity caused by reduced activities of genes located in this region at Drosophila larval neuromuscular junctions, a well-established model synapse with stereotypic synaptic structures...
February 15, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28196347/disentangling-life-darwin-selectionism-and-the-postgenomic-return-of-the-environment
#17
Maurizio Meloni
In this paper, I analyze the disruptive impact of Darwinian selectionism for the century-long tradition in which the environment had a direct causative role in shaping an organism's traits. In the case of humans, the surrounding environment often determined not only the physical, but also the mental and moral features of individuals and whole populations. With its apparatus of indirect effects, random variations, and a much less harmonious view of nature and adaptation, Darwinian selectionism severed the deep imbrication of organism and milieu posited by these traditional environmentalist models...
February 11, 2017: Studies in History and Philosophy of Biological and Biomedical Sciences
https://www.readbyqxmd.com/read/28195685/stigmatization-among-people-living-with-hiv-in-hong-kong-a%C3%A2-qualitative-study
#18
Phoenix K H Mo, Charlson T Y Ng
BACKGROUND: HIV/AIDS is one of the most stigmatized medical conditions across the world. Self-stigma is prevalent among people living with HIV (PLHIV) and a major obstacle to HIV prevention and care. OBJECTIVE: This study aimed to describe the experiences of stigmatization and explore the possible factors that might be associated with stigmatization among PLHIV in Hong Kong. DESIGN: Qualitative in-depth interviews were conducted. SETTING AND PARTICIPANTS: 15 PLHIV were recruited from two local non-governmental organizations on HIV prevention...
February 14, 2017: Health Expectations: An International Journal of Public Participation in Health Care and Health Policy
https://www.readbyqxmd.com/read/28194197/the-sociological-study-of-nurse-physician-professional-relationship-in-iran
#19
Maryam Mehrabi, Ali Madanipour, Shirin Ahmadnia
BACKGROUND: During recent decades, various factors have modified the nurse-physician professional relationship pattern in hospital settings. The present study investigates the typology and dynamics of this relationship as well as the effects of social structures and the actors' agency by considering the gender variable in two professional groups of nurse and physician. MATERIALS AND METHODS: A survey was conducted in 2009 using a quota sampling method of 100 female nurses and male physicians in four hospitals in Tehran...
November 2016: Iranian Journal of Nursing and Midwifery Research
https://www.readbyqxmd.com/read/28193855/bmp-singling-controls-buckling-forces-to-modulate-looping-morphogenesis-of-the-gut
#20
Nandan L Nerurkar, L Mahadevan, Clifford J Tabin
Looping of the initially straight embryonic gut tube is an essential aspect of intestinal morphogenesis, permitting proper placement of the lengthy small intestine within the confines of the body cavity. The formation of intestinal loops is highly stereotyped within a given species and results from differential-growth-driven mechanical buckling of the gut tube as it elongates against the constraint of a thin, elastic membranous tissue, the dorsal mesentery. Although the physics of this process has been studied, the underlying biology has not...
February 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
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