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https://www.readbyqxmd.com/read/28327936/guidock-vnc-using-a-graphical-desktop-sharing-system-to-provide-a-browser-based-interface-for-containerized-software
#1
Varun Mittal, Ling-Hong Hung, Jayant Keswani, Daniel Kristiyanto, Sung Bong Lee, Ka Yee Yeung
Background: Software container technology such as Docker can be used to package and distribute bioinformatics workflows consisting of multiple software implementations and dependencies. However, Docker is a command line based tool and many bioinformatics pipelines consist of components that require a graphical user interface. Findings: We present a container tool called GUIdock-VNC that uses a graphical desktop sharing system to provide a browser-based interface for containerized software...
February 24, 2017: GigaScience
https://www.readbyqxmd.com/read/28327092/metax-a-flexible-and-comprehensive-software-for-processing-metabolomics-data
#2
Bo Wen, Zhanlong Mei, Chunwei Zeng, Siqi Liu
BACKGROUND: Non-targeted metabolomics based on mass spectrometry enables high-throughput profiling of the metabolites in a biological sample. The large amount of data generated from mass spectrometry requires intensive computational processing for annotation of mass spectra and identification of metabolites. Computational analysis tools that are fully integrated with multiple functions and are easily operated by users who lack extensive knowledge in programing are needed in this research field...
March 21, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28326859/performance-evaluation-of-3d-vision-based-semi-autonomous-control-method-for-assistive-robotic-manipulator
#3
Hyun W Ka, Cheng-Shiu Chung, Dan Ding, Khara James, Rory Cooper
We developed a 3D vision-based semi-autonomous control interface for assistive robotic manipulators. It was implemented based on one of the most popular commercially available assistive robotic manipulator combined with a low-cost depth-sensing camera mounted on the robot base. To perform a manipulation task with the 3D vision-based semi-autonomous control interface, a user starts operating with a manual control method available to him/her. When detecting objects within a set range, the control interface automatically stops the robot, and provides the user with possible manipulation options through audible text output, based on the detected object characteristics...
March 22, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/28326817/killing-on-command-the-defence-of-superior-orders-in-modern-combat
#4
Richard Ehui
No abstract text is available yet for this article.
October 2016: Medicine, Conflict, and Survival
https://www.readbyqxmd.com/read/28325008/feasibility-of-an-ultra-low-power-digital-signal-processor-platform-as-a-basis-for-a-fully-implantable-brain-computer-interface-system
#5
Po T Wang, Keulanna Gandasetiawan, Colin M McCrimmon, Alireza Karimi-Bidhendi, Charles Y Liu, Payam Heydari, Zoran Nenadic, An H Do
A fully implantable brain-computer interface (BCI) can be a practical tool to restore independence to those affected by spinal cord injury. We envision that such a BCI system will invasively acquire brain signals (e.g. electrocorticogram) and translate them into control commands for external prostheses. The feasibility of such a system was tested by implementing its benchtop analogue, centered around a commercial, ultra-low power (ULP) digital signal processor (DSP, TMS320C5517, Texas Instruments). A suite of signal processing and BCI algorithms, including (de)multiplexing, Fast Fourier Transform, power spectral density, principal component analysis, linear discriminant analysis, Bayes rule, and finite state machine was implemented and tested in the DSP...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28322529/-interventi-di-popolazione-per-contrastare-l-epidemia-di-prodotti-insalubri
#6
Giuseppe Gorini
"The multinational corporations producing tobacco, alcohol, soft drinks, and processed foods have a role of vectors in the increase of chronic diseases, so that one can speak of manufacturing epidemics. The main aim of this paper is to conduct a literature review on different approaches in population-based interventions to stem the rise in consumption of unhealthy products. Different approaches were found: • command-and-control regulations: the route is definitely more advanced for tobacco with the implementation of an international treaty, which requires 180 ratifying states to implement a series of tobacco control policies...
January 2017: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/28322404/device-and-programming-abstractions-for-spatiotemporal-control-of-active-micro-particle-swarms
#7
Amy T Lam, Karina G Samuel-Gama, Jonathan Griffin, Matthew Loeun, Lukas C Gerber, Zahid Hossain, Nate J Cira, Seung Ah Lee, Ingmar H Riedel-Kruse
We present a hardware setup and a set of executable commands for spatiotemporal programming and interactive control of a swarm of self-propelled microscopic agents inside a microfluidic chip. In particular, local and global spatiotemporal light stimuli are used to direct the motion of ensembles of Euglena gracilis, a unicellular phototactic organism. We develop three levels of programming abstractions (stimulus space, swarm space, and system space) to create a scripting language for directing swarms. We then implement a multi-level proof-of-concept biotic game using these commands to demonstrate their utility...
March 21, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28320845/decoding-information-for-grasping-from-the-macaque-dorsomedial-visual-stream
#8
Matteo Filippini, Rossella Breveglieri, M Ali Akhras, Annalisa Bosco, Eris Chinellato, Patrizia Fattori
Neuro-decoders have been developed by researchers mostly to control neuro-prosthetic devices, but also to shed new light on neural functions. In this study, we show that signals representing grip configurations can be reliably decoded from neural data acquired from area V6A of the monkey medial posterior parietal cortex (PPC). Two Macaca fascicularis were trained to perform an instructed-delay reach-to-grasp task in the dark and in the light towards objects of different shapes. Population neural activity was extracted at various time intervals; on vision of the objects, the delay before movement, and grasp execution...
March 20, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28320673/imu-based-wrist-rotation-control-of-a-transradial-myoelectric-prosthesis
#9
Daniel A Bennett, Michael Goldfarb
This paper describes a control method intended to fa-cilitate improved control of a myoelectric prosthesis containing a wrist rotator. Rather than exclusively utilize electromyogram (EMG) for the control of all myoelectric components (e.g., a hand and a wrist), the proposed controller utilizes inertial measurement (from 6-axis inertial measurement unit, or IMU) to sense upper arm ab/adduction, and uses this input to command a wrist rotation velocity. As such, the controller essentially substitutes shoulder ab/adduction in place of agonist/antagonist EMG to control wrist angular velocity, which preserves EMG for control of the hand (or other arm components)...
March 15, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28320671/an-indoor-wayfinding-system-based-on-geometric-features-aided-graph-slam-for-the-visually-impaired
#10
He Zhang, Cang Ye
This paper presents a 6-DOF pose estimation (PE) method and an indoor wayfinding system based on the method for the visually impaired. The PE method involves two graph SLAM processes to reduce the accumulative pose error of the device. In the first step, the floor plane is extracted from the 3D camera's point cloud and added as a landmark node into the graph for 6-DOF SLAM to reduce roll, pitch and Z errors. In the second step, the wall lines are extracted and incorporated into the graph for 3-DOF SLAM to reduce X, Y and yaw errors...
March 15, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28320670/bci-use-and-its-relation-to-adaptation-in-cortical-networks
#11
Kaitlyn Casimo, Kurt E Weaver, Jeremiah Wander, Jeffrey G Ojemann
Brain-computer interfaces (BCIs) carry great potential in the treatment of motor impairments. As a new motor output, BCIs interface with the native motor system, but acquisition of BCI proficiency requires a degree of learning to integrate this new function. In this review, we discuss how BCI designs often take advantage of the brain's motor system infrastructure as sources of command signals. We highlight a growing body of literature examining how this approach leads to changes in activity across cortex, including beyond motor regions, as a result of learning the new skill of BCI control...
March 13, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28318267/magnetic-microlassos-for-reversible-cargo-capture-transport-and-release
#12
Tao Yang, Tonguc Onur Tasci, Keith B Neeves, Ning Wu, David W M Marr
Microbot propulsion has seen increasing interest in recent years as artificial methods that overcome the well-established reversible and challenging nature of microscale fluid mechanics. While controlled movement is an important feature of microbot action, many envisioned applications also involve cargo transport where microbots must be able to load and unload contents on command while tolerating complex solution chemistry. Here we introduce a physical method that uses flexible and linked superparamagnetic colloidal chains, which can form closed rings or "lassos" in the presence of a planar rotating magnetic field...
March 20, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28302641/gradual-escalation-of-use-of-force-reduces-police-officer-injury
#13
Katelyn K Jetelina, Jennifer M Reingle Gonzalez, Stephen A Bishopp
OBJECTIVE: To examine how escalation through the force continuum predicts officer injury in the presence of citizen aggression, while controlling for extraneous factors, like citizen and officer characteristics. METHODS: Cross-sectional data were extracted from 2244 use-of-force reports from the Dallas Police Department in 2015. Multilevel, mixed logistic regression models were used to evaluate the relationship between use of force and officer injury. Multilevel path analysis tested indirect and direct relationships between citizen aggression and officer injury...
March 16, 2017: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
https://www.readbyqxmd.com/read/28302586/mantisbot-is-a-robotic-model-of-visually-guided-motion-in-the-praying-mantis
#14
Nicholas S Szczecinski, Andrew P Getsy, Joshua P Martin, Roy E Ritzmann, Roger D Quinn
Insects use highly distributed nervous systems to process exteroception from head sensors, compare that information with state-based goals, and direct posture or locomotion toward those goals. To study how descending commands from brain centers produce coordinated, goal-directed motion in distributed nervous systems, we have constructed a conductance-based neural system for our robot MantisBot, a 29 degree-of-freedom, 13.3:1 scale praying mantis robot. Using the literature on mantis prey tracking and insect locomotion, we designed a hierarchical, distributed neural controller that establishes the goal, coordinates different joints, and executes prey-tracking motion...
March 13, 2017: Arthropod Structure & Development
https://www.readbyqxmd.com/read/28302353/epileptic-seizures-as-the-first-symptom-of-wernicke-s-encephalopathy-with-cerebral-cortical-lesions
#15
Kailei Fu, Li Tian, Weishuang Xue, Weiyu Teng
Wernicke's encephalopathy (WE) is acute metabolic disease of the central nervous system caused by deficiency of thiamine. Typical imaging findings are bilateral and symmetric signal in mammillary bodies, medial thalamus and periaqueductal gray. We present a 45-year-old man diagnosed for WE with two seizures and unconsciousness. The magnetic resonance imaging showed bilateral and symmetrical signal hyper-intensities in the frontal and parietal cortex, in addition to the classical MRI findings of WE. Cortical damage in WE is rare...
March 13, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28302053/a-fast-and-efficient-python-library-for-interfacing-with-the-biological-magnetic-resonance-data-bank
#16
Andrey Smelter, Morgan Astra, Hunter N B Moseley
BACKGROUND: The Biological Magnetic Resonance Data Bank (BMRB) is a public repository of Nuclear Magnetic Resonance (NMR) spectroscopic data of biological macromolecules. It is an important resource for many researchers using NMR to study structural, biophysical, and biochemical properties of biological macromolecules. It is primarily maintained and accessed in a flat file ASCII format known as NMR-STAR. While the format is human readable, the size of most BMRB entries makes computer readability and explicit representation a practical requirement for almost any rigorous systematic analysis...
March 17, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28298759/effect-of-magnesium-sulfate-and-clonidine-in-attenuating-hemodynamic-response-to-pneumoperitoneum-in-laparoscopic-cholecystectomy
#17
Shruthi P Kamble, Yatish Bevinaguddaiah, Dinesh Chillkunda Nagaraja, Vinayak S Pujar, Tejesh C Anandaswamy
BACKGROUND: Pneumoperitoneum in laparoscopic procedures is associated with hemodynamic response, due to the release of catecholamines and vasopressin. Magnesium and clonidine have been used to attenuate such hemodynamic responses by inhibiting release of these mediators. We conducted this randomized, double-blinded study to assess which of the two attenuates hemodynamic response better. MATERIALS AND METHODS: Ninety American Society of Anesthesiologists health status Classes I and II patients posted for elective laparoscopic cholecystectomy were randomized into three groups of thirty patients each...
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28293204/what-are-the-ingredients-for-an-inequity-paradigm-manipulating-the-experimenter-s-involvement-in-an-inequity-task-with-dogs
#18
Désirée Brucks, Sarah Marshall-Pescini, Jennifer L Essler, Jim McGetrick, Ludwig Huber, Friederike Range
Cooperation is only beneficial if the outcome is equally shared between individuals involved in the cooperative interaction. A mechanism to limit the development of unequal cooperation is inequity aversion, the negative reaction to unequal treatment. While inequity aversion has been studied extensively across many animal species, it remains unclear whether inequity aversion elicited in experimental settings is directed to the cooperative partner animal or rather to the experimenter distributing the rewards unequally...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28292832/functional-organization-of-vestibulo-ocular-responses-in-abducens-motoneurons
#19
Haike Dietrich, Stefan Glasauer, Hans Straka
Vestibulo-ocular reflexes (VOR) are the dominating contributors to gaze stabilization in all vertebrates. During horizontal head movements, abducens motoneurons form the final element of the reflex arc that integrates visuo-vestibular inputs into temporally precise motor commands for the lateral rectus eye muscle. Here, we studied a possible differentiation of abducens motoneurons into subtypes by evaluating their morphology, discharge properties and synaptic pharmacology in semi-intact in vitro preparations of larval Xenopus laevis Extracellular nerve recordings during sinusoidal head motion revealed a continuum of resting rates and activation thresholds during vestibular stimulation...
March 14, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28292639/oculomotor-prediction-a-window-into-the-psychotic-mind
#20
REVIEW
Katharine N Thakkar, Vaibhav A Diwadkar, Martin Rolfs
Psychosis - an impaired contact with reality - is a hallmark of schizophrenia. Many psychotic symptoms are associated with disruptions in agency - the sense that 'I' cause my actions. A failure to predict sensory consequences of one's own actions may underlie agency disturbances. Such predictions rely on corollary discharge (CD) signals, 'copies' of movement commands sent to sensory regions prior to action execution. Here, we make a case that the oculomotor system is a promising model for understanding CD in psychosis, building on advances in our understanding of the behavioral and neurophysiological correlates of CD associated with eye movements...
March 11, 2017: Trends in Cognitive Sciences
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