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2019

Новости за 28.03.2019

Visuo-spatial (but not verbal) executive working memory capacity modulates susceptibility to non-numerical visual magnitudes during numerosity comparison

Plos.org 

by Kyungmin Lee, Soohyun Cho

The present study tested whether visuo-spatial vs. verbal executive working memory capacity (hereafter EWM) modulates the degree to which non-numerical visual magnitudes influence numerosity comparison using pairs of dot arrays. We hypothesized that visuo-spatial (rather than verbal) EWM capacity would influence one’s ability to selectively focus on numerical as opposed to non-numerical visual properties (such as dot size, cumulative area, density) of the dot arrays during numerosity comparison. Читать дальше...

Prediction of premature all-cause mortality: A prospective general population cohort study comparing machine-learning and standard epidemiological approaches

Plos.org 

by Stephen F. Weng, Luis Vaz, Nadeem Qureshi, Joe Kai

Background

Prognostic modelling using standard methods is well-established, particularly for predicting risk of single diseases. Machine-learning may offer potential to explore outcomes of even greater complexity, such as premature death. This study aimed to develop novel prediction algorithms using machine-learning, in addition to standard survival modelling, to predict premature all-cause mortality.

Methods

A prospective population... Читать дальше...



Depth measurement of molecular permeation using inclined confocal microscopy

Plos.org 

by Kenji Kikuchi, Shunsuke Shigeta, Takuji Ishikawa

We report a new technique for the high time-resolved depth measurement of molecular concentration distribution in a permeable hydrogel film with micro-depth precision. We developed an inclined observation technique in a laser-induced fluorescence (LIF) system, based on confocal microscopy, which measures the concentration distribution in the depth direction at less than micrometre intervals. The focal plane of confocal microscopy was tilted... Читать дальше...

Determinants for progression from asymptomatic infection to symptomatic visceral leishmaniasis: A cohort study

Plos.org 

by Jaya Chakravarty, Epco Hasker, Sangeeta Kansal, Om Prakash Singh, Paritosh Malaviya, Abhishek Kumar Singh, Ankita Chourasia, Toolika Singh, Medhavi Sudarshan, Akhil Pratap Singh, Bhawana Singh, Rudra Pratap Singh, Bart Ostyn, Michaela Fakiola, Albert Picado, Joris Menten, Jenefer M. Blackwell, Mary E. Wilson, David Sacks, Marleen Boelaert, Shyam Sundar

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Новости России
Москва

Солнечные дети на сцене Кремля


Staying awake to stay alive: A circuit controlling starvation-induced waking

Plos.org 

by Krishna Melnattur, Paul Shaw

The balance of sleep and wake is plastic and changes to meet environmental demands. Mechanisms that allow an animal to suppress sleep and maintain waking in potentially adverse situations could serve adaptive functions in evolution. The fruit fly, Drosophila melanogaster, is well poised as a system in which to explore these questions. The environment changes sleep and wake in flies, e.g., starvation induces waking in Drosophila as it does in many animals. Further... Читать дальше...


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Ролан Гаррос

Мирра Андреева обыграла представительницу Франции Грачеву на "Ролан Гаррос"






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