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https://www.readbyqxmd.com/read/30343209/low-dose-hip-abductor-adductor-power-training-improves-neuromechanical-weight-transfer-control-during-lateral-balance-recovery-in-older-adults
#1
Mario Inacio, Rob Creath, Mark W Rogers
BACKGROUND: Age-related neuromuscular changes in the hip abductor-adductor muscles lead to reduced performance, especially in the rate of force development and power production. These alterations may impair weight transfer control and lateral balance recovery through protective stepping. This study compared the effects of eight weeks of low-dose hip abductor-adductor power and strength training on the performance of isometric maximal voluntary contractions, and lateral balance recovery at different initial weight-bearing conditions in older individuals...
October 13, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/30340448/imaging-journeys-of-recovery-and-learning-a-participatory-arts-based-inquiry
#2
Briege Casey, Margaret Webb
The relationship between processes of mental health recovery and lifelong learning is an area of increasing international interest. Experiences of transformation, positive effects on self-esteem, self-insight, and empowerment have been identified regarding both endeavors. Recognition of these benefits has stimulated collaborative development of educational programs in personal development, self-efficacy, and recovery principles. The importance of evaluating this educational provision has been emphasized; however, there has been little detailed exploration of students' experiences and perceptions of recovery and learning in the context of recovery education programs...
October 19, 2018: Qualitative Health Research
https://www.readbyqxmd.com/read/30339880/calibrating-balance-perturbation-using-electrical-stimulation-of-the-vestibular-system
#3
R Goel, M J Rosenberg, H S Cohen, J J Bloomberg, A P Mulavara
BACKGROUND: Supra-threshold galvanic vestibular stimulation (GVS) can be used to challenge the balance control system by disrupting vestibular inputs. The goal of this study was to propose an objective method to assess variability across subjects in the minimum safe GVS level that causes maximum balance degradation. NEW METHOD: Thirteen healthy young subjects stood on a compliant foam surface with their eyes closed and tried to maintain a stable upright stance. Variables related to the stability of the trunk and whole body were quantified to characterize the relationship between postural responses and GVS at amplitudes from 0 to 4...
October 16, 2018: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/30336734/how-to-be-a-secure-base-therapists-attachment-representations-and-their-link-to-attunement-in-psychotherapy
#4
Alessandro Talia, Laura Muzi, Vittorio Lingiardi, Svenja Taubner
This paper investigates if therapists' attachment classifications are linked to different types of therapists' attunement in session. We present coding procedures and validation of the Therapist Attunement Scales (TASc), a transcript-based instrument that assesses attunement in therapy and that we hypothesized would be associated with therapists' attachment classifications. Fifty therapists were administered the Adult Attachment Interview (AAI), and therapy sessions with each therapist were rated with the TASc...
October 18, 2018: Attachment & Human Development
https://www.readbyqxmd.com/read/30336689/implementing-a-trauma-informed-public-health-system-in-san-francisco-california
#5
Briana Loomis, Kenneth Epstein, Emily F Dauria, Lynn Dolce
BACKGROUND: Trauma is a ubiquitous and harmful public health concern. Much like individuals, organizations experience trauma and can embed it within their culture. Left unaddressed, trauma inhibits staff from confronting problems, communicating effectively, and generating solutions, factors that undermine organizational functioning. In response to trauma's far-reaching impact, recent efforts have focused on creating "trauma-informed" systems that emphasize safety and avoid retraumatization...
October 18, 2018: Health Education & Behavior: the Official Publication of the Society for Public Health Education
https://www.readbyqxmd.com/read/30336233/extracorporeal-life-support-in-the-emergency-department-a-narrative-review-for-the-emergency-physician
#6
REVIEW
Justyna Swol, Jan Belohlávek, Daniel Brodie, Joseph Bellezzo, Scott D Weingart, Zachary Shinar, Andreas Schober, Matthew Bachetta, Jonathan W Haft, Shingo Ichiba, Tetsuya Sakamoto, Giles J Peek, Roberto Lorusso, Steven A Conrad
BACKGROUND: Extracorporeal life support (ECLS) describes the use of blood perfusion devices to provide advanced cardiac or respiratory support. Advances in percutaneous vascular cannula insertion, centrifugal pump technologies, and the miniaturization of extracorporeal devices have simplified ECLS. The intention of this discussion is to review the role of ECLS as a potential rescue method for emergency department (ED) clinicians in critical clinical scenarios and to focus on the prerequisites for managing an ECLS program in an ED setting...
October 15, 2018: Resuscitation
https://www.readbyqxmd.com/read/30332990/predicting-bacterial-resistance-from-whole-genome-sequences-using-k-mers-and-stability-selection
#7
Pierre Mahé, Maud Tournoud
BACKGROUND: Several studies demonstrated the feasibility of predicting bacterial antibiotic resistance phenotypes from whole-genome sequences, the prediction process usually amounting to detecting the presence of genes involved in antibiotic resistance mechanisms, or of specific mutations, previously identified from a training panel of strains, within these genes. We address the problem from the supervised statistical learning perspective, not relying on prior information about such resistance factors...
October 17, 2018: BMC Bioinformatics
https://www.readbyqxmd.com/read/30326698/effects-of-two-different-hip-knee-ankle-foot-orthoses-on-postural-stability-in-subjects-with-spinal-cord-injury-a-pilot-study
#8
Mohammad Samadian, Monireh Ahmadi Bani, Navid Golchin, Mohammad Ali Mardani, John S Head, Mokhtar Arazpour
Study Design: Pilot study. Purpose: Evaluation of two different hip-knee-ankle-foot orthoses (HKAFOs; medial linkage reciprocating gait orthosis [MLRGO] and isocentric reciprocating gait orthosis [IRGO]) using gait and postural stability analysis in four subjects with spinal cord injury (SCI). Overview of Literature: To the best of our knowledge, no study has evaluated postural stability in subjects with SCI when using MLRGO and IRGO. Methods: The relative efficacy of each orthosis was evaluated with relevant gait parameters, and an assessment of postural stability and sway during usage was made...
October 18, 2018: Asian Spine Journal
https://www.readbyqxmd.com/read/30322891/behavioral-tagging-in-infant-rats
#9
Sarah E Bae, Rick Richardson
Recent studies have shown that exposure to a novel environment may stabilize the persistence of weak memories, a phenomenon often attributed to a process referred to as "behavioral tagging." While this phenomenon has been repeatedly demonstrated in adult animals, no studies to date have examined whether it occurs in infant animals, which is surprising given that infants exhibit an impaired ability to form long-term memories (LTMs). In the present study, infant (i.e., postnatal day (P) 17) rats were placed in a context and repeatedly shocked...
November 2018: Learning & Memory
https://www.readbyqxmd.com/read/30320835/photodetection-system-immune-to-amplitude-to-phase-conversion-noise-for-ultralow-noise-photonic-microwave-generation
#10
Lingke Wang, Junchao Huang, Yifei Duan, Liang Liu, Tang Li
Microwave signals generated by photodetection of the pulse train of an optical frequency comb locked to an ultrastable laser have ultrahigh spectral purity and frequency stability. The amplitude-to-phase noise conversion (APC) that occurs in the photodetection, however, degrades the phase noise of the generated microwave signal over the range from tens of hertz to several kilohertz. Here we demonstrate active APC compensation by precisely tuning the bias voltage applied to a photodetector using the APC coefficient measured by comparing with a reference photodetector...
October 15, 2018: Optics Letters
https://www.readbyqxmd.com/read/30319180/constant-torque-thermal-cycling-and-two-way-shape-memory-effect-in-ni-50-3-ti-29-7-hf-20-torque-tubes
#11
O Benafan, D J Gaydosh
Ni-rich Ni50.3 Ti29.7 Hf20 (at.%) high-temperature shape memory alloy (SMA) tubes were thermomechanically cycled under constant torques. Four loading configurations were examined that consisted of a series of ascending stresses (low-to-high stress from 0 to 500 MPa outer fiber shear stress), a series of descending stresses (high-to-low stress from 500 to 0 MPa), and a series of thermal cycles at a constant stress of 500 MPa, all using an upper cycle temperature (UCT) of 300 °C. The last configuration consisted of another series of ascending stress levels using a lesser UCT of 250 °C...
July 2018: Smart Materials & Structures
https://www.readbyqxmd.com/read/30315861/arm-crank-training-improves-postural-stability-and-physical-functioning-in-older-people
#12
M Hill, S Oxford, M Duncan, M Price
No abstract text is available yet for this article.
October 10, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/30315147/alleviating-catastrophic-forgetting-using-context-dependent-gating-and-synaptic-stabilization
#13
Nicolas Y Masse, Gregory D Grant, David J Freedman
Humans and most animals can learn new tasks without forgetting old ones. However, training artificial neural networks (ANNs) on new tasks typically causes them to forget previously learned tasks. This phenomenon is the result of "catastrophic forgetting," in which training an ANN disrupts connection weights that were important for solving previous tasks, degrading task performance. Several recent studies have proposed methods to stabilize connection weights of ANNs that are deemed most important for solving a task, which helps alleviate catastrophic forgetting...
October 12, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/30314263/effects-of-an-integrated-neurofeedback-system-with-dry-electrodes-eeg-acquisition-and-cognition-assessment
#14
Guangying Pei, Jinglong Wu, Duanduan Chen, Guoxin Guo, Shuozhen Liu, Mingxuan Hong, Tianyi Yan
Electroencephalogram (EEG) neurofeedback improves cognitive capacity and behaviors by regulating brain activity, which can lead to cognitive enhancement in healthy people and better rehabilitation in patients. The increased use of EEG neurofeedback highlights the urgent need to reduce the discomfort and preparation time and increase the stability and simplicity of the system's operation. Based on brain-computer interface technology and a multithreading design, we describe a neurofeedback system with an integrated design that incorporates wearable, multichannel, dry electrode EEG acquisition equipment and cognitive function assessment...
October 11, 2018: Sensors
https://www.readbyqxmd.com/read/30307636/effectiveness-of-mobilization-of-the-upper-cervical-region-and-craniocervical-flexor-training-on-orofacial-pain-mandibular-function-and-headache-in-women-with-tmd-a-randomized-controlled-trial
#15
Letícia Bojikian Calixtre, Ana Beatriz Oliveira, Lianna Ramalho de Sena Rosa, Susan Armijo-Olivo, Corine Mirjam Visscher, Francisco Alburquerque-Sendín
BACKGROUND: Studies exploring interventions targeting the cervical spine to improve symptoms in patients with temporomandibular disorders (TMD) are limited. OBJECTIVES: To determine whether mobilization of the upper cervical region and craniocervical flexor training decreased orofacial pain, increased mandibular function and pressure pain thresholds (PPT) of the masticatory muscles, and decreased headache impact in women with TMD when compared to no intervention...
October 11, 2018: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/30301265/precision-motion-control-of-a-linear-permanent-magnet-synchronous-machine-based-on-linear-optical-ruler-sensor-and-hall-sensor
#16
Chih-Hong Lin
The linear optical-ruler sensor with 1um precision mounted in the linear permanent magnet synchronous machine (LPMSM) is used for measuring the mover position of LPMSM in order to enhance the precision of a measured mover position. Due to nonlinear friction and uncertainty effects, linear controllers are very hard to achieve good mover positioning of LPMSM. The proposed adaptive amended Elman neural network backstepping (AAENNB) control system is adopted for controlling the LPMSM drive system to bring about the mover positioning precision of LPMSM...
October 7, 2018: Sensors
https://www.readbyqxmd.com/read/30298389/predicting-the-effect-of-mutations-on-protein-folding-and-protein-protein-interactions
#17
Alexey Strokach, Carles Corbi-Verge, Joan Teyra, Philip M Kim
The function of a protein is largely determined by its three-dimensional structure and its interactions with other proteins. Changes to a protein's amino acid sequence can alter its function by perturbing the energy landscapes of protein folding and binding. Many tools have been developed to predict the energetic effect of amino acid changes, utilizing features describing the sequence of a protein, the structure of a protein, or both. Those tools can have many applications, such as distinguishing between deleterious and benign mutations and designing proteins and peptides with attractive properties...
2019: Methods in Molecular Biology
https://www.readbyqxmd.com/read/30297720/stable-and-discriminating-features-are-predictive-of-cancer-presence-and-gleason-grade-in-radical-prostatectomy-specimens-a-multi-site-study
#18
Patrick Leo, Robin Elliott, Natalie N C Shih, Sanjay Gupta, Michael Feldman, Anant Madabhushi
Site variation in fixation, staining, and scanning can confound automated tissue based image classifiers for disease characterization. In this study we incorporated stability into four feature selection methods for identifying the most robust and discriminating features for two prostate histopathology classification tasks. We evaluated 242 morphology features from N = 212 prostatectomy specimens from four sites for automated cancer detection and grading. We quantified instability as the rate of significant cross-site feature differences...
October 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/30296274/stabilization-period-before-capturing-an-ultra-short-vagal-index-can-be-shortened-to-60-s-in-endurance-athletes-and-to-90-s-in-university-students
#19
Jakub Krejčí, Michal Botek, Andrew J McKune
PURPOSE: To find the shortest, acceptable stabilization period before recording resting, supine ultra-short-term Ln RMSSD and heart rate (HR). METHOD: Thirty endurance-trained male athletes (age 24.1 ± 2.3 years, maximal oxygen consumption (VO2max) 64.1 ± 6.6 ml·kg-1·min-1) and 30 male students (age 23.3 ± 1.8 years, VO2max 52.8 ± 5.1 ml·kg-1·min-1) were recruited. Upon awaking at home, resting, supine RR intervals were measured continuously for 10 min using a Polar V800 HR monitor...
2018: PloS One
https://www.readbyqxmd.com/read/30296245/learning-latent-stable-patterns-for-image-understanding-with-weak-and-noisy-labels
#20
Yiyang Yao, Wang Luo, Luming Zhang, Yi Yang, Ping Li, Roger Zimmermann, Ling Shao
This paper focuses on weakly supervised image understanding, in which the semantic labels are available only at image-level, without the specific object or scene location in an image. Existing algorithms implicitly assume that image-level labels are error-free, which might be too restrictive. In practice, image labels obtained from the pretrained predictors are easily contaminated. To solve this problem, we propose a novel algorithm for weakly supervised segmentation when only noisy image labels are available during training...
October 5, 2018: IEEE Transactions on Cybernetics
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