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2023

Новости за 03.07.2023

Serum brain-derived neurotrophic factor (BDNF) and self-paced time-trial performance in older untrained men

Plos.org 

by Eevon Chia, Frank E. Marino

Purpose

This study examined the effect of 12 weeks of concurrent aerobic and resistance training on brain derived neurotrophic factor (BDNF) levels, neuromuscular performance and cerebral oxygenation on self-paced cycling exercise in previously untrained older men.

Methods

Eight untrained healthy males aged 53–64 years performed a familiarisation and a pre-training self-paced cycling time trial before 12 weeks of exercise training which combined aerobic and resistance exercise. Читать дальше...

Student nurse education and preparation for palliative care: A scoping review

Plos.org 

by Abiola Durojaiye, Ruth Ryan, Owen Doody

Background

The World Health Organisation and palliative care stakeholders recommend that healthcare workers are educated in palliative care. Provision of high-quality palliative care is fundamental to nursing practice. However, caring for palliative care patients and meeting family needs is challenging without appropriate knowledge and experience. Palliative care education and clinical skill development for undergraduate student nurses is a priority... Читать дальше...

The effects of probabilistic context inference on motor adaptation

Plos.org 

by Dario Cuevas Rivera, Stefan Kiebel

Humans have been shown to adapt their movements when a sudden or gradual change to the dynamics of the environment are introduced, a phenomenon called motor adaptation. If the change is reverted, the adaptation is also quickly reverted. Humans are also able to adapt to multiple changes in dynamics presented separately, and to be able to switch between adapted movements on the fly. Such switching relies on contextual information which is often noisy or misleading... Читать дальше...

Breaking the mold: Study strategies of students who improve their achievement on introductory biology exams

Plos.org 

by Amanda J. Sebesta, Elena Bray Speth

Students’ use of learning strategies (i.e., what students do when studying) is linked to their achievement in undergraduate science, technology, engineering, and math (STEM) courses, and several study strategies have been individually associated with course and exam grades in multiple contexts. In this study, we surveyed students in a learner-centered, large-enrollment introductory biology course about their study strategies. We aimed to identify groups... Читать дальше...



Evidence from UK Research Ethics Committee members on what makes a good research ethics review, and what can be improved

Plos.org 

by Mark Sidaway, Clive Collett, Simon Erik Kolstoe

The rapid development of vaccines and other innovative medical technologies in response to the COVID-19 pandemic required streamlined and efficient ethics and governance processes. In the UK the Health Research Authority (HRA) oversees and coordinates a number of the relevant research governance processes including the independent ethics review of research projects. The HRA was instrumental in facilitating the rapid review and approval of COVID-19 projects... Читать дальше...

Clinical application of 4% sodium citrate and heparin in the locking of central venous catheters (excluding dialysis catheters) in intensive care unit patients: A pragmatic randomized controlled trial

Plos.org 

by Yuchun Deng, Jie Xing, Zhi Tan, Xiaohua Ai, Yi Li, Liqin Zhang

Objectives

The feasibility of utilizing 4% sodium citrate as an alternative locking solution for central venous catheters (CVCs) (excluding dialysis catheters) was assessed.

Methods

Using heparin saline and 4% sodium citrate as locking solution, then 152 patients in ICU undergoing infusion with central venous catheters, were randomly assigned to receive either 10 U/mL heparin saline or 4% sodium citrate. The used outcome indicators include... Читать дальше...

School-based physical activity interventions among children and adolescents in the Middle East and Arabic speaking countries: A systematic review

Plos.org 

by Abdullah Alalawi, Lindsay Blank, Elizabeth Goyder

Background

It is widely recognised that noncommunicable diseases are on the rise worldwide, partly due to insufficient levels of physical activity (PA). It is a particularly concerning health issue among children and adolescents in Arabic countries where cultural and environmental factors may limit their opportunity for engaging in physical activities.

Aim

This review sought to assess the effectiveness of school-based PA interventions... Читать дальше...

FedDNA: Federated learning using dynamic node alignment

Plos.org 

by Shuwen Wang, Xingquan Zhu

Federated Learning (FL), as a new computing framework, has received significant attentions recently due to its advantageous in preserving data privacy in training models with superb performance. During FL learning, distributed sites first learn respective parameters. A central site will consolidate learned parameters, using average or other approaches, and disseminate new weights across all sites to carryout next round of learning. The distributed parameter learning... Читать дальше...

Seroprevalence of Dengue, Chikungunya and Zika at the epicenter of the congenital microcephaly epidemic in Northeast Brazil: A population-based survey

Plos.org 

by Cynthia Braga, Celina M. T. Martelli, Wayner V. Souza, Carlos F. Luna, Maria de Fatima P. M. Albuquerque, Carolline A. Mariz, Clarice N. L. Morais, Carlos A. A. Brito, Carlos Frederico C. A. Melo, Roberto D. Lins, Jan Felix Drexler, Thomas Jaenisch, Ernesto T. A. Marques, Isabelle F. T. Viana

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