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https://www.readbyqxmd.com/read/28324862/heterogeneity-in-predictive-power-of-early-childhood-nutritional-indicators-for-mid-childhood-outcomes-evidence-from-vietnam
#1
Le Thuc Duc, Jere R Behrman
We utilize longitudinal data on nearly 1800 children in Vietnam to study the predictive power of alternative measures of early childhood undernutrition for outcomes at age eight years: weight-for-age (WAZ8), height-for-age (HAZ8), and education (reading, math and receptive vocabulary). We apply two-stage procedures to derive unpredicted weight gain and height growth in the first year of life. Our estimates show that a standard deviation (SD) increase in birth weight is associated with an increase of 0.14 (standard error [SE]: 0...
March 11, 2017: Economics and Human Biology
https://www.readbyqxmd.com/read/28324683/thermal-stress-impacts-reproductive-development-and-grain-yield-in-rice
#2
REVIEW
Muhammad Shakeel Arshad, Muhammad Farooq, Folkard Asch, Jagadish S V Krishna, P V Vara Prasad, Kadambot H M Siddique
Rice is highly sensitive to temperature stress (cold and heat), particularly during the reproductive and grain-filling stages. In this review, we discuss the effects of low- and high-temperature sensitivity in rice at various reproductive stages (from meiosis to grain development) and propose strategies for improving the tolerance of rice to terminal thermal stress. Cold stress impacts reproductive development through (i) delayed heading, due to its effect on anther respiration, which increases sucrose accumulation, protein denaturation and asparagine levels, and decreases proline accumulation, (ii) pollen sterility owing to tapetal hypertrophy and related nutrient imbalances, (iii) reduced activity of cell wall bound invertase in the tapetum of rice anthers, (iv) impaired fertilization due to inhibited anther dehiscence, stigma receptivity and ability of the pollen tube to germinate through the style towards the ovary, and (v) floret sterility, which increases grain abortion, restricts grain size, and thus reduces grain yield...
March 16, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28324064/bmp7-induces-uterine-receptivity-and-blastocyst-attachment
#3
Diana Monsivais, Caterina Clementi, Jia Peng, Paul T Fullerton, Renata Prunskaite-Hyyryläinen, Seppo Vainio, Martin M Matzuk
In women, the window of implantation is limited to a brief two- to three- day period characterized by optimal levels of circulating ovarian hormones and a receptive endometrium. Although the window of implantation is assumed to occur 8-10 days after ovulation in women, molecular markers of endometrial receptivity are necessary to determine optimal timing prior to embryo transfer. Previous studies showed that members of the bone morphogenetic protein (BMP) family are expressed in the uterus necessary for female fertility; however, the role of BMP7 during implantation and in late gestation is not known...
January 17, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323619/fast-spiking-gaba-circuit-dynamics-in-the-auditory-cortex-predict-recovery-of-sensory-processing-following-peripheral-nerve-damage
#4
Jennifer Resnik, Daniel B Polley
Cortical neurons remap their receptive fields and rescale sensitivity to spared peripheral inputs following sensory nerve damage. To address how these plasticity processes are coordinated over the course of functional recovery, we tracked receptive field reorganization, spontaneous activity, and response gain from individual principal neurons in the adult mouse auditory cortex over a 50-day period surrounding either moderate or massive auditory nerve damage. We related the day-by-day recovery of sound processing to dynamic changes in the strength of intracortical inhibition from parvalbumin-expressing (PV) inhibitory neurons...
March 21, 2017: ELife
https://www.readbyqxmd.com/read/28319344/mesoscale-polarization-by-geometric-frustration-in-columnar-supramolecular-crystals
#5
Christoph S Zehe, Joshua A Hill, Nicholas P Funnell, Klaus Kreger, Kasper P van der Zwan, Andrew L Goodwin, Hans-Werner Schmidt, Jürgen Senker
Columnar supramolecular phases with polarization along the columnar axis have potential for the development of ultrahigh-density memories as every single column might function as a memory element. By investigating structure and disorder for four columnar benzene-1,3,5-trisamides by total X-ray scattering and DFT calculations, we demonstrate that the column orientation, and thus the columnar dipole moment, is receptive to geometric frustration if the columns aggregate in a hexagonal rod packing. The frustration suppresses conventional antiferroelectric order and heightens the sensitivity towards collective intercolumnar packing effects...
March 20, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28317470/anthropology-brokerage-and-collaboration-in-the-development-of-a-tongan-public-psychiatry-local-lessons-for-global-mental-health
#6
Mike Poltorak
The Global Mental Health (GMH) movement has raised questions of the translatability of psychiatric concepts and the challenges of community engagement. In Tonga, the local psychiatrist Dr Puloka successfully established a publicly accessible psychiatry that has improved admission rates for serious mental illnesses and addressed some of the stigma attached to diagnosis. On the basis of historical analysis and ethnographic fieldwork with healers, doctors, and patients since 1998, this article offers an ethnographic contextualization of the development and reception of Puloka's three key interventions during the 1990s: (a) collaboration with traditional healers; (b) translation of psychiatric diagnoses into local cultural concepts; and (c) encouraging freedom of movement and legal appeal to involuntary admission...
December 2016: Transcultural Psychiatry
https://www.readbyqxmd.com/read/28306755/the-relationship-between-executive-functions-and-language-abilities-in-children-a-latent-variables-approach
#7
Margarita Kaushanskaya, Ji Sook Park, Ishanti Gangopadhyay, Meghan M Davidson, Susan Ellis Weismer
Purpose: We aimed to outline the latent variables approach for measuring nonverbal executive function (EF) skills in school-age children, and to examine the relationship between nonverbal EF skills and language performance in this age group. Method: Seventy-one typically developing children, ages 8 through 11, participated in the study. Three EF components, inhibition, updating, and task-shifting, were each indexed using 2 nonverbal tasks. A latent variables approach was used to extract latent scores that represented each EF construct...
March 17, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28306729/a-cooperative-function-for-multisensory-stimuli-in-the-induction-of-approach-behavior-of-a-potential-mate
#8
Anders Ågmo, Eelke M S Snoeren
Intrasexual competition is an important element of natural selection in which the most attractive conspecific has a considerable reproductive advantage over the others. The conspecifics that are approached first often become the preferred mate partners, and could thus from a biological perspective have a reproductive advantage. This underlines the importance of the initial approach and raises the question of what induces this approach, or what makes a conspecific attractive. Identification of the sensory modalities crucial for the activation of approach is necessary for elucidating the central nervous processes involved in the activation of sexual motivation and eventually copulatory behavior...
2017: PloS One
https://www.readbyqxmd.com/read/28303087/a-pilot-genome-wide-association-study-identifies-potential-metabolic-pathways-involved-in-tinnitus
#9
Annick Gilles, Guy Van Camp, Paul Van de Heyning, Erik Fransen
Tinnitus, the perception of an auditory phantom sound in the form of ringing, buzzing, roaring, or hissing in the absence of an external sound source, is perceived by ~15% of the population and 2.5% experiences a severely bothersome tinnitus. The contribution of genes on the development of tinnitus is still under debate. The current manuscript reports a pilot Genome Wide Association Study (GWAS) into tinnitus, in a small cohort of 167 independent tinnitus subjects, and 749 non-tinnitus controls, who were collected as part of a cross-sectional study...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28301102/neural-correlates-of-language-variability-in-preschool-aged-boys-with-autism-spectrum-disorder
#10
Letitia R Naigles, Ryan Johnson, Ann Mastergeorge, Sally Ozonoff, Sally J Rogers, David G Amaral, Christine Wu Nordahl
Children with autism vary widely in their language abilities, yet the neural correlates of this language variability remain unclear, especially early in development. Diffusion tensor imaging (DTI) was used to examine diffusivity measures along the length of 18 major fiber tracts in 104 preschool-aged boys with autism spectrum disorder (ASD). The boys were assigned to subgroups according to their level of language development (Low: no/low language, Middle: small vocabulary, High: large vocabulary and grammar), based on their raw scores on the expressive language (EL) and receptive language (RL) sections of the Mullen Scales of Early Learning (MSEL)...
March 16, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28300961/vocabulary-of-preschool-children-with-typical-language-development-and-socioeducational-variables
#11
Thaís Cristina da Freiria Moretti, Rita Cristina Sadako Kuroishi, Patrícia Pupin Mandrá
Purpose: To investigate the correlation between age, socioeconomic status (SES), and performance on emissive and receptive vocabulary tests in children with typical language development. Methods: The study sample was composed of 60 preschool children of both genders, aged 3 years to 5 years 11 months, with typical language development divided into three groups: G I (mean age=3 years 6 months), G II (mean age=4 years 4 months) and G III (mean age=5 years 9 months)...
March 9, 2017: CoDAS
https://www.readbyqxmd.com/read/28300959/fine-motor-skills-and-expressive-language-a-study-with-children-with-congenital-hypotyreoidism
#12
Renata Camargo Frezzato, Denise Castilho Cabrera Santos, Maura Mikie Fukujima Goto, Michelle Prado Cabral do Ouro, Carolina Taddeo Mendes Dos Santos, Vivian Dutra, Maria Cecília Marconi Pinheiro Lima
Purpose: To screen the global development of children with and without congenital hypothyroidism and to investigate the association between fine motor skills and expressive language development in both groups. Methods: This is a prospective study of a cohort of children diagnosed with Congenital Hypothyroidism and monitored in a reference service for congenital hypothyroidism of a public hospital and of children without this disorder. The screening was performed using the Bayley Scales of Infant Development III in the cognitive, gross and fine motor skills, and receptive and expressive language domains...
March 9, 2017: CoDAS
https://www.readbyqxmd.com/read/28300428/empa-s-new-clothes-the-untold-story-of-the-empa-reg-outcome-trial
#13
Aus Alzaid
It is no secret that the diabetes community has been yearning for good news for quite some time. One outstanding issue undermining effective diabetes management has been the lack of demonstrable effects of glycemic interventions on cardiovascular (CV) outcome in people with type 2 diabetes. This, however, seems to have changed recently after the publication of the Empa-Reg Outcome Trial. The study reported an impressive reduction in CV deaths that was observed within weeks of treatment with the diabetes agent, Empagliflozin...
March 16, 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/28298702/fixed-versus-mixed-rsa-%C3%A2-explaining-visual-representations-by-fixed-and-mixed-feature-sets-from-shallow-and-deep-computational-models
#14
Seyed-Mahdi Khaligh-Razavi, Linda Henriksson, Kendrick Kay, Nikolaus Kriegeskorte
Studies of the primate visual system have begun to test a wide range of complex computational object-vision models. Realistic models have many parameters, which in practice cannot be fitted using the limited amounts of brain-activity data typically available. Task performance optimization (e.g. using backpropagation to train neural networks) provides major constraints for fitting parameters and discovering nonlinear representational features appropriate for the task (e.g. object classification). Model representations can be compared to brain representations in terms of the representational dissimilarities they predict for an image set...
February 2017: Journal of Mathematical Psychology
https://www.readbyqxmd.com/read/28298318/a-novel-proteolytic-event-controls-hedgehog-intracellular-sorting-and-distribution-to-receptive-fields
#15
Joseph R Daniele, Tehyen Chu, Sam Kunes
The patterning activity of a morphogen depends on secretion and dispersal mechanisms that shape its distribution to the cells of a receptive field. In the case of the protein Hedgehog (Hh), these mechanisms of secretion and transmission remain unclear. In the developing Drosophila visual system, Hedgehog is partitioned for release at opposite poles of photoreceptor neurons. Release into the retina regulates the progression of eye development; axon transport and release at axon termini trigger the development of postsynaptic neurons in the brain...
March 15, 2017: Biology Open
https://www.readbyqxmd.com/read/28298302/visual-and-presaccadic-activity-in-area-8ar-of-the-macaque-monkey-lateral-prefrontal-cortex
#16
Kelly R Bullock, Florian Pieper, Adam J Sachs, Julio C Martinez-Trujillo
Common trends observed in many visual and oculomotor-related cortical areas include retinotopically organized receptive and movement fields exhibiting a Gaussian shape and increasing size with eccentricity. These trends are demonstrated in the frontal eye fields (FEF), many visual areas, and the superior colliculus (SC), but have not been thoroughly characterized in prearcuate area 8Ar of the prefrontal cortex. This is important since area 8Ar, located anterior to the FEF, is more cytoarchitectonically similar to prefrontal areas than premotor areas...
March 15, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28298301/in-vivo-optogenetic-activation-of-nav1-8-cutaneous-nociceptors-and-their-responses-to-natural-stimuli
#17
Megan L Uhelski, Daniel J Bruce, Philippe Seguela, George L Wilcox, Donald A Simone
Optogenetic methods utilizing expression of the light-sensitive protein channelrhodopsin-2 (ChR2) in neurons have enabled selective activation of specific subtypes or groups of neurons to determine their functions. Using a transgenic mouse model in which neurons natively expressing Nav1.8, a tetrodotoxin-resistant voltage-gated sodium channel, also express the light-gated channel ChR2, we have been able to determine the functional properties of Nav1.8-expressing cutaneous nociceptors of the glabrous skin in vivo...
March 15, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28297001/screening-bilingual-preschoolers-for-language-difficulties-utility-of-teacher-and-parent-reports
#18
Emmanuel Peng Kiat Pua, Mary Lay Choo Lee, Susan J Rickard Liow
Purpose: The utility of parent and teacher reports for screening 3 types of bilingual preschoolers (English-first language [L1]/Mandarin-second language[L2], Mandarin-L1/English-L2, or Malay-L1/English-L2) for language difficulty was investigated in Singapore with reference to measures of reliability, validity, sensitivity, and specificity in an English-medium kindergarten setting. Method: The index tests were teachers' ratings of the English language ability of 5-year-olds (N = 85) on the Bilingual Language Assessment Battery (BLAB): Preschool Teacher Report (Pua, Lee, & Rickard Liow, 2013) and parents' ratings of their child's home language ability (N = 78 English-L1, Mandarin-L1, or Malay-L1) on the BLAB: Preschool Parent Report (Pua, Lee, & Rickard Liow, 2013)...
March 13, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28296522/effect-of-spatial-separation-and-noise-type-on-sentence-recognition-by-mandarin-speaking-cochlear-implant-users
#19
Yang-Wenyi Liu, Duo-Duo Tao, Ye Jiang, John J GalvinIII, Qian-Jie Fu, Ya-Sheng Yuan, Bing Chen
OBJECTIVES: To investigate the effects of spatial separation and noise type on sentence recognition by unilateral Mandarin-speaking cochlear implant (CI) users and normal-hearing (NH) listeners. METHOD: Twenty-two unilateral Mandarin-speaking CI users and six NH listeners participated in this study. Speech reception thresholds were measured for three noise types (steady state noise, speech babble, and music). Sentences from the Mandarin Speech Perception test were presented directly in front of the listener (0°)...
March 15, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28294857/-evaluation-of-antihypertensive-efficacy-and-patient-adherence-to-treatment-with-the-new-formulation-perindopril-arginine-orally-disintegrating-tablet-in-general-clinical-practice-optimum-program
#20
M G Glezer On Behalf Of The Optimum Program Participants
The purpose of this study was to evaluate the antihypertensive efficacy of perindopril arginine in the oral dispersible form of tablets, in clinical practice. MATERIALS AND METHODS: Post-marketing observational open program OPTIMUM was carried out from october 2014 to march 2015 year in 48 cities of the Russian Federation, 197 doctors. The observation included 957 patients. Prematurely retired from the study 17patients completed the observation in accordance with the protocol of 940 people...
April 2016: Kardiologiia
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