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https://www.readbyqxmd.com/read/28532530/automated-image-acquisition-for-low-dose-stem-at-atomic-resolution
#1
Andreas Mittelberger, Christian Kramberger, Christoph Hofer, Clemens Mangler, Jannik C Meyer
Beam damage is a major limitation in electron microscopy that becomes increasingly severe at higher resolution. One possible route to circumvent radiation damage, which forms the basis for single-particle electron microscopy and related techniques, is to distribute the dose over many identical copies of an object. For the acquisition of low-dose data, ideally no dose should be applied to the region of interest before the acquisition of data. We present an automated approach that can collect large amounts of data efficiently by acquiring images in a user-defined area-of-interest with atomic resolution...
May 23, 2017: Microscopy and Microanalysis
https://www.readbyqxmd.com/read/28529667/motor-problems-in-children-with-neurofibromatosis-type-1
#2
André B Rietman, Rianne Oostenbrink, Sanne Bongers, Eddy Gaukema, Sandra van Abeelen, Jos G Hendriksen, Caspar W N Looman, Pieter F A de Nijs, Marie-Claire de Wit
BACKGROUND: Children with the neurogenetic disorder neurofibromatosis type 1 (NF1) often have problems with learning and behaviour. In both parent reports and neuropsychological assessment, motor problems are reported in approximately one third to one half of the children with NF1. Studies using broad motor performance test batteries with relatively large groups of children with NF1 are limited. The aim of this cross-sectional observational study was to describe the severity of motor problems in children with NF1 and to explore the predictive value of demographics, intelligence, and behavioural problems...
2017: Journal of Neurodevelopmental Disorders
https://www.readbyqxmd.com/read/28516327/long-term-outcomes-of-epilepsy-surgery-in-tuberous-sclerosis-complex
#3
Shuli Liang, Juncheng Zhang, Zhixian Yang, Shaohui Zhang, Zhiqiang Cui, Jianfei Cui, Jiwu Zhang, Na Liu, Ping Ding
Approximately 50% of patients with tuberous sclerosis complex (TSC) present intractable epilepsy, and surgery is an option for those patients. Hereby, we analyze long-term seizure control and neuropsychological outcomes of epilepsy surgery in patients with TSC. Clinical data were retrospectively collected from 66 patients with TSC and epilepsy followed up over 5 years, 51 of whom underwent epilepsy surgery between 2001 and 2011. Reductions in the number of seizures were analyzed at 1-year (1FU), 5-year (5FU), and 10-year (10FU) follow-ups visits after the operation...
May 17, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28516233/medical-image-data-and-datasets-in-the-era-of-machine-learning-whitepaper-from-the-2016-c-mimi-meeting-dataset-session
#4
Marc D Kohli, Ronald M Summers, J Raymond Geis
At the first annual Conference on Machine Intelligence in Medical Imaging (C-MIMI), held in September 2016, a conference session on medical image data and datasets for machine learning identified multiple issues. The common theme from attendees was that everyone participating in medical image evaluation with machine learning is data starved. There is an urgent need to find better ways to collect, annotate, and reuse medical imaging data. Unique domain issues with medical image datasets require further study, development, and dissemination of best practices and standards, and a coordinated effort among medical imaging domain experts, medical imaging informaticists, government and industry data scientists, and interested commercial, academic, and government entities...
May 17, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/28516139/dataset-of-two-experiments-of-the-application-of-gamified-peer-assessment-model-into-online-learning-environment-meututor
#5
Thyago Tenório, Ig Ibert Bittencourt, Seiji Isotani, Alan Pedro, Patrícia Ospina, Daniel Tenório
In this dataset, we present the collected data of two experiments with the application of the gamified peer assessment model into online learning environment MeuTutor to allow the comparison of the obtained results with others proposed models. MeuTutor is an intelligent tutoring system aims to monitor the learning of the students in a personalized way, ensuring quality education and improving the performance of its members (Tenório et al., 2016) [1]. The first experiment evaluated the effectiveness of the peer assessment model through metrics as final grade (result), time to correct the activities and associated costs...
June 2017: Data in Brief
https://www.readbyqxmd.com/read/28502530/the-operating-room-of-the-future-versus-the-future-of-the-operating-room
#6
REVIEW
Amin B Kassam, Richard A Rovin, Sarika Walia, Srikant Chakravarthi, Juanita Celix, Jonathan Jennings, Sammy Khalili, Lior Gonen, Alejandro Monroy-Sosa, Melanie B Fukui
Technological advancement in the operating room is evolving into a dynamic system mirroring that of the aeronautics industry. Through data visualization, information is continuously being captured, collected, and stored on a scalable informatics platform for rapid, intuitive, iterative learning. The authors believe this philosophy (paradigm) will feed into an intelligent informatics domain fully accessible to all and geared toward precision, cell-based therapy in which tissue can be targeted and interrogated in situ...
June 2017: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/28499753/emotional-intelligence-and-stress-management-in-nursing-professionals-in-a-hospital-emergency-department
#7
Tatiana Nespereira-Campuzano, Miriam Vázquez-Campo
OBJECTIVE: To determine stress levels and to identify if there is a relationship between emotional intelligence and work stress in nurses and healthcare assistants of the Emergency Department. METHOD: Observational, descriptive and cross-sectional study with a quantitative approach. The population were nurses and healthcare assistants of the Emergency Department of the University Hospital of Ourense. The data were collected between January and May 2016. The tool used was a validated, anonymous, and self-administered questionnaire that included the Trait Meta-Mood Scale and Moreno's Brief Burnout Questionnaire...
May 9, 2017: Enfermería Clínica
https://www.readbyqxmd.com/read/28490513/effect-of-maternal-antenatal-and-newborn-supplementation-with-vitamin-a-on-cognitive-development-of-school-aged-children-in-rural-bangladesh-a-follow-up-of-a-placebo-controlled-randomized-trial
#8
Hasmot Ali, Jena Hamadani, Sucheta Mehra, Fahmida Tofail, Md Imrul Hasan, Saijuddin Shaikh, Abu Ahmed Shamim, Lee S-F Wu, Keith P West, Parul Christian
Background: The impact of early vitamin A supplementation on neurodevelopmental function has not been adequately studied. In rural Bangladesh we examined cognitive and motor function and scholastic achievement in a cohort of children who were exposed to vitamin A in utero or at birth.Objective: The aim of this study was to examine independent and combined effects of antenatal and newborn supplementation with vitamin A on the cognitive function of children at 8 y of age.Design: A cohort of rural Bangladeshi children from 2 previous double-blind, placebo-controlled cluster-randomized trials were revisited at age 8 y between February 2013 and June 2014...
May 10, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28489432/touching-the-elephant-the-search-for-fluid-intelligence
#9
Theodore Wasserman, Lori Drucker Wasserman
Many constructs that we take for granted in modern neuropsychology, fluid intelligence among them, can best be explained by conceptionalizing them as a collection of task specific processes engaged in by an integrated recruited network involved in problem solving. Fractionalizing the network in an attempt to describe elements of its function leads to arbitrarily defined segments that may be interesting to discuss abstractly, but never occur independently in the real world operation of the system. We will seek to demonstrate that the construct of fluid intelligence is like that...
May 10, 2017: Applied Neuropsychology. Child
https://www.readbyqxmd.com/read/28488985/an-alternative-paradigm-for-evidence-based-medicine-revisiting-lawrence-weed-md-s-systems-approach
#10
Ali Rafik Shukor
Lawrence Weed, MD, is renowned for being the father of the Problem-Oriented Medical Record (POMR), the medical care standard for collecting, managing, and contextualizing patient data in medical records. What have been consistently overlooked are his teachings on knowledge coupling, which refers to matching patient data with associated medical knowledge. Together, the POMR standard and knowledge coupling are meant to form the basis of a systems approach that enables individualized evidence-based decision making within the context of multimorbidity and patient complexity...
2017: Permanente Journal
https://www.readbyqxmd.com/read/28485697/management-and-outcomes-of-cochlear-implantation-in-patients-with-congenital-cytomegalovirus-ccmv-related-deafness
#11
Andrew Wesley Hoey, Irumee Pai, Sandra Driver, Steve Connor, Elizabeth Wraige, Dan Jiang
OBJECTIVE: Congenital Cytomegalovirus (cCMV) is a well-defined cause for neonatal mortality and morbidity, particularly sensorineural hearing loss and other neurodevelopmental disruption. We present a retrospective study which provides an overview of the assessment and preoperative work-up for patients diagnosed with cCMV and their cochlear implant (CI) outcomes. METHOD: This was a retrospective case series study of all children with a confirmed diagnosis of cCMV who underwent cochlear implantation at St Thomas' Hospital from 2003 to 2015...
May 9, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28484614/creating-beauty-creativity-compensates-for-low-physical-attractiveness-when-individuals-assess-the-attractiveness-of-social-and-romantic-partners
#12
Christopher D Watkins
Although creativity is attractive in a potential mate, it is unclear (i) whether the effects of creativity on attractiveness generalize to other social contexts and (ii) whether creativity has equivalent effects on men's and women's attractiveness. As social knowledge of creativity may either enhance or 'offset' the appeal of social partners who differ in physical attractiveness, three repeated measures experiments were conducted to directly address these issues. Here, participants rated a series of face-text pairs for attractiveness on trials that differed in one of four combinations of facial attractiveness (attractive and less attractive) and creativity (creative and less creative), rating story-tellers in two experiments (short interpretations of an identical painting) and creative ideas in a further experiment (alternative uses for an everyday object)...
April 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28476433/intelligent-use-of-advanced-capabilities-of-diagnostic-ecg-algorithms-in-a-monitoring-environment
#13
Reza Firoozabadi, Richard E Gregg, Saeed Babaeizadeh
A large number of ST-elevation notifications are generated by cardiac monitoring systems, but only a fraction of them is related to the critical condition known as ST-segment elevation myocardial infarction (STEMI) in which the blockage of coronary artery causes ST-segment elevation. Confounders such as acute pericarditis and benign early repolarization create electrocardiographic patterns mimicking STEMI but usually do not benefit from a real-time notification. A STEMI screening algorithm able to recognize those confounders utilizing capabilities of diagnostic ECG algorithms in variation analysis of ST segments helps to avoid triggering a non-actionable ST-elevation notification...
April 25, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/28463614/endoscopic-endonasal-transsphenoidal-surgery-using-the-iarms-operation-support-robot-initial-experience-in-43-patients
#14
Toshihiro Ogiwara, Tetsuya Goto, Alhusain Nagm, Kazuhiro Hongo
Objective The intelligent arm-support system, iArmS, which follows the surgeon's arm and automatically fixes it at an adequate position, was developed as an operation support robot. iArmS was designed to support the surgeon's forearm to prevent hand trembling and to alleviate fatigue during surgery with a microscope. In this study, the authors report on application of this robotic device to endoscopic endonasal transsphenoidal surgery (ETSS) and evaluate their initial experiences. Methods The study population consisted of 43 patients: 29 with pituitary adenoma, 3 with meningioma, 3 with Rathke's cleft cyst, 2 with craniopharyngioma, 2 with chordoma, and 4 with other conditions...
May 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28461491/optimal-incentives-for-collective-intelligence
#15
Richard P Mann, Dirk Helbing
Collective intelligence is the ability of a group to perform more effectively than any individual alone. Diversity among group members is a key condition for the emergence of collective intelligence, but maintaining diversity is challenging in the face of social pressure to imitate one's peers. Through an evolutionary game-theoretic model of collective prediction, we investigate the role that incentives may play in maintaining useful diversity. We show that market-based incentive systems produce herding effects, reduce information available to the group, and restrain collective intelligence...
May 1, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28459953/early-clinical-predictors-of-5-year-outcome-after-concussive-blast-traumatic-brain-injury
#16
Christine L Mac Donald, Jason Barber, Mary Jordan, Ann M Johnson, Sureyya Dikmen, Jesse R Fann, Nancy Temkin
Importance: The long-term clinical effects of wartime traumatic brain injuries (TBIs), most of which are mild, remain incompletely described. Current medical disability cost estimates from world conflicts continually surpass projections. Additional information regarding long-term functional trajectory is needed to reduce this extensive public health burden. Objectives: To examine 5-year clinical outcomes leveraging existing clinical data collected at 1 year after injury in the same patients and to identify early risk factors for long-term disability...
May 1, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28458067/effect-of-liberal-blood-transfusion-on-clinical-outcomes-and-cost-in-spine-surgery-patients
#17
Taylor E Purvis, C Rory Goodwin, Rafael De la Garza-Ramos, A Karim Ahmed, Virginie Lafage, Brian J Neuman, Peter G Passias, Khaled M Kebaish, Steven M Frank, Daniel M Sciubba
BACKGROUND CONTEXT: Blood transfusions in spine surgery are shown to be associated with increased patient morbidity. The association between transfusion performed using a liberal hemoglobin (Hb) trigger-defined as an intraoperative Hb level of ≥10 g/dL, a postoperative level of ≥8 g/dL, or a whole hospital nadir between 8 and 10 g/dL-and perioperative morbidity and cost in spine surgery patients is unknown and thus was investigated in this study. PURPOSE: This study aimed to describe the perioperative outcomes and economic cost associated with liberal Hb trigger transfusion among spine surgery patients...
April 27, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28441570/neural-indices-of-phonemic-discrimination-and-sentence-level-speech-intelligibility-in-quiet-and-noise-a-p3-study
#18
Tess K Koerner, Yang Zhang, Peggy B Nelson, Boxiang Wang, Hui Zou
This study examined how speech babble noise differentially affected the auditory P3 responses and the associated neural oscillatory activities for consonant and vowel discrimination in relation to segmental- and sentence-level speech perception in noise. The data were collected from 16 normal-hearing participants in a double-oddball paradigm that contained a consonant (/ba/ to /da/) and vowel (/ba/ to /bu/) change in quiet and noise (speech-babble background at a -3 dB signal-to-noise ratio) conditions. Time-frequency analysis was applied to obtain inter-trial phase coherence (ITPC) and event-related spectral perturbation (ERSP) measures in delta, theta, and alpha frequency bands for the P3 response...
April 18, 2017: Hearing Research
https://www.readbyqxmd.com/read/28420156/a-strain-based-method-to-estimate-slip-angle-and-tire-working-conditions-for-intelligent-tires-using-fuzzy-logic
#19
Daniel Garcia-Pozuelo, Jorge Yunta, Oluremi Olatunbosun, Xiaoguang Yang, Vicente Diaz
Tires equipped with sensors, the so-called "intelligent tires", can provide vital information for control systems, drivers and external users. In this research, tire dynamic strain characteristics in cornering conditions are collected and analysed in relation to the variation of tire working conditions, such as inflation pressure, rolling speed, vertical load and slip angle. An experimental tire strain-based prototype and an indoor tire test rig are used to demonstrate the suitability of strain sensors to establish relations between strain data and lateral force...
April 16, 2017: Sensors
https://www.readbyqxmd.com/read/28416804/cumulative-culture-can-emerge-from-collective-intelligence-in-animal-groups
#20
Takao Sasaki, Dora Biro
Studies of collective intelligence in animal groups typically overlook potential improvement through learning. Although knowledge accumulation is recognized as a major advantage of group living within the framework of Cumulative Cultural Evolution (CCE), the interplay between CCE and collective intelligence has remained unexplored. Here, we use homing pigeons to investigate whether the repeated removal and replacement of individuals in experimental groups (a key method in testing for CCE) alters the groups' solution efficiency over successive generations...
April 18, 2017: Nature Communications
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