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https://www.readbyqxmd.com/read/28445737/rapid-automatic-motor-encoding-of-competing-reach-options
#1
Jason P Gallivan, Brandie M Stewart, Lee A Baugh, Daniel M Wolpert, J Randall Flanagan
No abstract text is available yet for this article.
April 25, 2017: Cell Reports
https://www.readbyqxmd.com/read/28445553/a-novel-rat-head-gaze-determination-system-based-on-optomotor-responses
#2
Mengbo You, Toshiyuki Yamane, Hiroshi Tomita, Eriko Sugano, Takuya Akashi
The optomotor response of animals is commonly used to measure their visual performance, e.g., rats of different genetically altered strains or various drug tests. With the presentation of stimuli using computer screens or projectors, the common idea focuses on measuring the eye movement or head and/or body movement to characterize changes of the head gaze. However, traditional methods rely on either the invasive fixation of animals, or the judgment of a human observer who reports the stimulus-tracking movements...
2017: PloS One
https://www.readbyqxmd.com/read/28445548/assessing-the-severity-of-sleep-apnea-syndrome-based-on-ballistocardiogram
#3
Zhu Wang, Xingshe Zhou, Weichao Zhao, Fan Liu, Hongbo Ni, Zhiwen Yu
BACKGROUND: Sleep Apnea Syndrome (SAS) is a common sleep-related breathing disorder, which affects about 4-7% males and 2-4% females all around the world. Different approaches have been adopted to diagnose SAS and measure its severity, including the gold standard Polysomnography (PSG) in sleep study field as well as several alternative techniques such as single-channel ECG, pulse oximeter and so on. However, many shortcomings still limit their generalization in home environment. In this study, we aim to propose an efficient approach to automatically assess the severity of sleep apnea syndrome based on the ballistocardiogram (BCG) signal, which is non-intrusive and suitable for in home environment...
2017: PloS One
https://www.readbyqxmd.com/read/28445480/google-earth-elevation-data-extraction-and-accuracy-assessment-for-transportation-applications
#4
Yinsong Wang, Yajie Zou, Kristian Henrickson, Yinhai Wang, Jinjun Tang, Byung-Jung Park
Roadway elevation data is critical for a variety of transportation analyses. However, it has been challenging to obtain such data and most roadway GIS databases do not have them. This paper intends to address this need by proposing a method to extract roadway elevation data from Google Earth (GE) for transportation applications. A comprehensive accuracy assessment of the GE-extracted elevation data is conducted for the area of conterminous USA. The GE elevation data was compared with the ground truth data from nationwide GPS benchmarks and roadway monuments from six states in the conterminous USA...
2017: PloS One
https://www.readbyqxmd.com/read/28445434/an-adaptive-clustering-approach-based-on-minimum-travel-route-planning-for-wireless-sensor-networks-with-a-mobile-sink
#5
Jiqiang Tang, Wu Yang, Lingyun Zhu, Dong Wang, Xin Feng
In recent years, Wireless Sensor Networks with a Mobile Sink (WSN-MS) have been an active research topic due to the widespread use of mobile devices. However, how to get the balance between data delivery latency and energy consumption becomes a key issue of WSN-MS. In this paper, we study the clustering approach by jointly considering the Route planning for mobile sink and Clustering Problem (RCP) for static sensor nodes. We solve the RCP problem by using the minimum travel route clustering approach, which applies the minimum travel route of the mobile sink to guide the clustering process...
April 26, 2017: Sensors
https://www.readbyqxmd.com/read/28444772/multi-atlas-approach-with-local-registration-goodness-weighting-for-mri-based-electron-density-mapping-of-head-and-neck-anatomy
#6
Reza Farjam, Neelam Tyagi, Harini Veeraraghavan, Aditya Apte, Kristen Zakian, Margie A Hunt, Joseph O Deasy
PURPOSE: The growing use of magnetic resonance imaging (MRI) as a substitute for computed tomography-based treatment planning requires the development of effective algorithms to generate electron density maps for treatment planning and patient setup verification. The purpose of this work was to develop a method to synthesize computerized tomography (CT) for MR-only radiotherapy of head and neck cancer patients. METHODS: The algorithm is based on registration of multiple patient datasets containing both MRI and CT images (a "multi-atlas" algorithm)...
April 26, 2017: Medical Physics
https://www.readbyqxmd.com/read/28444415/-conventional-radiological-diagnosis-of-benign-none-neoplasms
#7
A Bücker, G Schneider
BACKGROUND: Benign bone tumors are of special clinical importance because they might be confused with malignant bone tumors. OBJECTIVES: The aim of this article it to present the characteristics of benign bone tumors. The focus is orientated towards conventional x‑ray as the essential pillar for primary diagnosis. Consequently, the description of signal intensities of benign bone tumors in magnetic resonance images or less helpful clues like male-female ratios are deliberately omitted...
April 25, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28444369/three-dimensional-intracellular-structure-of-a-whole-rice-mesophyll-cell-observed-with-fib-sem
#8
Takao Oi, Sakiko Enomoto, Tomoyo Nakao, Shigeo Arai, Koji Yamane, Mitsutaka Taniguchi
Background and Aims: Ultrathin sections of rice leaf blades observed two-dimensionally using a transmission electron microscope (TEM) show that the chlorenchyma is composed of lobed mesophyll cells, with intricate cell boundaries, and lined with chloroplasts. The lobed cell shape and chloroplast positioning are believed to enhance the area available for the gas exchange surface for photosynthesis in rice leaves. However, a cell image revealing the three-dimensional (3-D) ultrastructure of rice mesophyll cells has not been visualized...
April 21, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28444340/ligpargen-web-server-an-automatic-opls-aa-parameter-generator-for-organic-ligands
#9
Leela S Dodda, Israel Cabeza de Vaca, Julian Tirado-Rives, William L Jorgensen
The accurate calculation of protein/nucleic acid-ligand interactions or condensed phase properties by force field-based methods require a precise description of the energetics of intermolecular interactions. Despite the progress made in force fields, small molecule parameterization remains an open problem due to the magnitude of the chemical space; the most critical issue is the estimation of a balanced set of atomic charges with the ability to reproduce experimental properties. The LigParGen web server provides an intuitive interface for generating OPLS-AA/1...
April 21, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28444125/sudden-cardiac-death
#10
Jagdesh Kandala, Clint Oommen, Karl B Kern
Introduction: Sudden cardiac arrest continues to be the leading cause of death in the industrialized world. Sources of data: Original papers, reviews and guidelines. Areas of agreement: Community programs for lay bystander cardiopulmonary resuscitation (CPR) and automatic external defibrillation improve outcomes. Post-arrest care, including targeted temperature management (TTM) combined with early coronary angiography and percutaneous coronary intervention, is helpful for those suffering cardiac arrest during an ST-segment elevation myocardial infarction...
April 24, 2017: British Medical Bulletin
https://www.readbyqxmd.com/read/28443841/automatic-concentration-and-reformulation-of-pet-tracers-via-microfluidic-membrane-distillation
#11
Philip H Chao, Jeffery Collins, Joseph P Argus, Wei-Yu Tseng, Jason T Lee, R Michael van Dam
Short-lived radiolabeled tracers for positron emission tomography (PET) must be rapidly synthesized, purified, and formulated into injectable solution just prior to imaging. Current radiosynthesizers are generally designed for clinical use, and the HPLC purification and SPE formulation processes often result in a final volume that is too large for preclinical and emerging in vitro applications. Conventional technologies and techniques for reducing this volume tend to be slow, resulting in radioactive decay of the product, and often require manual handling of the radioactive materials...
April 26, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28443786/characterization-of-volitional-electromyographic-signals-in-the-lower-extremity-after-motor-complete-spinal-cord-injury
#12
Elizabeth Heald, Ronald Hart, Kevin Kilgore, P Hunter Peckham
BACKGROUND: Previous studies have demonstrated the presence of intact axons across a spinal cord lesion, even in those clinically diagnosed with complete spinal cord injury (SCI). These axons may allow volitional motor signals to be transmitted through the injury, even in the absence of visible muscle contraction. OBJECTIVE: To demonstrate the presence of volitional electromyographic (EMG) activity below the lesion in motor complete SCI and to characterize this activity to determine its value for potential use as a neuroprosthetic command source...
April 1, 2017: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/28443523/do-non-reflective-thinkers-apply-extreme-personal-meanings-to-their-activated-moods
#13
Alyson L Dodd, Matthew Haigh
BACKGROUND: The integrative cognitive model of mood swings proposes that mood symptoms are driven by extreme, self-referent appraisals. For example, if activated mood is appraised positively, this prompts selection of mood regulation strategies that act to up-regulate mood. Appraisals are driven by fast and automatic Type 1 cognitive processes, which, left unchecked, can cause activated mood to escalate. AIMS: It was hypothesized that greater propensity to override these automatic processes by engaging in reflective (Type 2) thinking would be negatively associated with extreme appraisals of activation and activation...
April 26, 2017: Behavioural and Cognitive Psychotherapy
https://www.readbyqxmd.com/read/28443045/automatic-approach-tendencies-toward-high-and-low-caloric-food-in-restrained-eaters-influence-of-task-relevance-and-mood
#14
Renate A M Neimeijer, Anne Roefs, Brian D Ostafin, Peter J de Jong
Objective: Although restrained eaters are motivated to control their weight by dieting, they are often unsuccessful in these attempts. Dual process models emphasize the importance of differentiating between controlled and automatic tendencies to approach food. This study investigated the hypothesis that heightened automatic approach tendencies in restrained eaters would be especially prominent in contexts where food is irrelevant for their current tasks. Additionally, we examined the influence of mood on the automatic tendency to approach food as a function of dietary restraint...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28442339/neural-evidence-for-the-subliminal-processing-of-facial-trustworthiness-in-infancy
#15
Sarah Jessen, Tobias Grossmann
Face evaluation is thought to play a vital role in human social interactions. One prominent aspect is the evaluation of facial signs of trustworthiness, which has been shown to occur reliably, rapidly, and without conscious awareness in adults. Recent developmental work indicates that the sensitivity to facial trustworthiness has early ontogenetic origins as it can already be observed in infancy. However, it is unclear whether infants' sensitivity to facial signs of trustworthiness relies upon conscious processing of a face or, similar to adults, occurs also in response to subliminal faces...
April 22, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28442244/automatic-high-resolution-infarct-detection-using-volumetric-multiphase-dual-energy-ct
#16
Veit Sandfort, Alan C Kwan, Comfort Elumogo, Davis M Vigneault, Rolf Symons, Amir Pourmorteza, Kelly Rice, Cynthia Davies-Venn, Mark A Ahlman, Chia-Ying Liu, Stefan L Zimmerman, David A Bluemke
OBJECTIVES: Late contrast enhancement CT (LCE-CT) visualizes the presence of myocardial infarcts. Differentiation of the contrast-enhanced infarct from blood pool is challenging. We developed a novel method using data from first pass CT angiography (CTA) imaging to enable automatic infarct detection. MATERIALS AND METHODS: A canine model of myocardial infarction was produced in 11 animals. Two months later, first pass CTA (90 kVp) and LCE-CT (dual energy 90 kVp/150 kVp tin filtered) were performed...
April 18, 2017: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/28442229/changing-attitudes-to-childhood-immunisation-in-english-parents
#17
Helen Campbell, Angela Edwards, Louise Letley, Helen Bedford, Mary Ramsay, Joanne Yarwood
OBJECTIVES: We undertook a national survey of parental attitudes to childhood vaccinations and compared results with those in earlier comparable surveys covering a 10year period. METHODS: We randomly selected 275 nationally representative sampling locations in England. Interviewers identified eligible primary care givers (referred to as parents) of children aged from 2months to <5years and conducted home-based interviews between January and April 2015. We aimed to recruit 1000 parents of children aged 0-2years and 1000 of children aged 3-4years...
April 17, 2017: Vaccine
https://www.readbyqxmd.com/read/28441683/geometric-torsion-in-adolescent-idiopathic-scoliosis-a-new-method-to-differentiate-between-lenke-1-subtypes
#18
Jesse Shen, Samuel Kadoury, Hubert Labelle, Marjolaine Roy-Beaudry, Carl-Éric Aubin, Stefan Parent
STUDY DESIGN: Consecutive case series. OBJECTIVE: To study geometric torsion in thoracic adolescent idiopathic scoliosis (AIS) to propose it as a numerical three-dimensional (3D) parameter that quantifies the scoliosis deformity. SUMMARY OF BACKGROUND DATA: AIS is a 3D deformity of the spine. The most widely accepted and used classification systems, however, still rely on two-dimensional aspects of x-rays. Yet, a 3D classification of AIS remains elusive because there is no widely accepted 3D parameter in the clinical practice...
May 1, 2017: Spine
https://www.readbyqxmd.com/read/28441544/enrichment-of-resolving-power-improves-ion-peak-quantification-on-a-lipidomics-platform
#19
Kosuke Saito, Yasuo Ohno, Yoshiro Saito
In this study, we delineated the importance of MS resolving power on the ion-peak quantification of lipids using an Orbitrap Fusion instrument and established a liquid chromatography-based, high-performance lipidomics platform. The ion-peak recognition of several lipids in human plasma, such as LPC(15:0), LPE(22:5), and PC(35:0), was clearly improved by increasing the MS resolving power. In addition, we evaluated the impact of resolving power on the quantitative detection of lipids by automatic ion-peak recognition with calculation of the coefficient of variance (CV)...
April 13, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28441521/lost-in-distractors-reduced-autobiographical-memory-specificity-and-dispersed-activation-spreading-over-distractors-in-working-memory
#20
Keisuke Takano, Jun Moriya, Filip Raes
Studies on autobiographical memory retrieval highlight the prominence of rapid and direct access to a specific event memory. Because it has been believed that autobiographical memory retrieval mostly relies on an effortful generative process, there is little empirical evidence on the early stage of information processing that contributes to autobiographical memory specificity (AMS). Therefore, we investigated the associations between AMS and automatic activation of information stimulated by rapid presentation of emotional words...
April 19, 2017: Behaviour Research and Therapy
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