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https://www.readbyqxmd.com/read/28769775/measuring-mental-workload-with-eeg-fnirs
#1
Haleh Aghajani, Marc Garbey, Ahmet Omurtag
We studied the capability of a Hybrid functional neuroimaging technique to quantify human mental workload (MWL). We have used electroencephalography (EEG) and functional near-infrared spectroscopy (fNIRS) as imaging modalities with 17 healthy subjects performing the letter n-back task, a standard experimental paradigm related to working memory (WM). The level of MWL was parametrically changed by variation of n from 0 to 3. Nineteen EEG channels were covering the whole-head and 19 fNIRS channels were located on the forehead to cover the most dominant brain region involved in WM...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28764565/fluocinolone-acetonide-for-the-treatment-of-diabetic-macular-edema
#2
Daniele Veritti, Valentina Sarao, Laura Diplotti, Francesco Samassa, Paolo Lanzetta
Fluocinolone acetonide intravitreal implant is a non-erodible implant approved for the treatment of diabetic macular edema (DME) insufficiently responsive to available therapies. Areas covered: The injectable intravitreal implant releases fluocinolone acetonide at an average rate of 0.2 µg/day for at least 36 months. The two pooled pivotal FAME trials showed that, in patients with DME previously treated with laser photocoagulation, fluocinolone acetonide intravitreal implant was more beneficial than sham injection when looking at the proportion of patients with an improvement from baseline in visual acuity of more than 15 letters at 24 months and at 36 months...
August 9, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28753364/novel-cosmic-ray-electron-and-positron-constraints-on-mev-dark-matter-particles
#3
Mathieu Boudaud, Julien Lavalle, Pierre Salati
MeV dark matter (DM) particles annihilating or decaying to electron-positron pairs cannot, in principle, be observed via local cosmic-ray (CR) measurements because of the shielding solar magnetic field. In this Letter, we take advantage of spacecraft Voyager 1's capacity for detecting interstellar CRs since it crossed the heliopause in 2012. This opens up a new avenue to probe DM in the sub-GeV energy/mass range that we exploit here for the first time. From a complete description of the transport of electrons and positrons at low energy, we derive predictions for both the secondary astrophysical background and the pair production mechanisms relevant to DM annihilation or decay down to the MeV mass range...
July 14, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28740826/epicog-sch-a-brief-battery-to-screen-cognitive-impact-of-schizophrenia-in-stable-outpatients
#4
Silvia Zaragoza Domingo, Julio Bobes, Maria-Paz García-Portilla, Claudia Morralla
Brief batteries in schizophrenia, are needed to screen for the cognitive impact of schizophrenia. We aimed to validate and co-norm the Epidemiological Study of Cognitive Impairment in Schizophrenia (EPICOG-SCH) derived brief cognitive battery. A cross-sectional outpatient evaluation was conducted of six-hundred-seventy-two patients recruited from 234 centers. The brief battery included well-known subtests available worldwide that cover cognitive domains related to functional outcomes: WAIS-III-Letter-Number-Sequencing-LNS, Category Fluency Test-CFT, Logical-Memory Immediate Recall-LM, and Digit-Symbol-Coding-DSC...
June 2017: Schizophrenia Research. Cognition
https://www.readbyqxmd.com/read/28728603/the-effect-of-using-social-pressure-in-cover-letters-to-improve-retention-in-a-longitudinal-health-study-an-embedded-randomised-controlled-retention-trial
#5
Sarah Cotterill, Kelly Howells, Sarah Rhodes, Peter Bower
BACKGROUND: Retention of participants in cohort studies is important for validity. One way to promote retention is by sending a persuasive cover letter with surveys. The study aimed to compare the effectiveness of a covering letter containing social pressure with a standard covering letter on retention in a health cohort study. Social pressure involves persuading people to behave in a certain way by the promise that their actions will be made know to others. We implemented a mild form of social pressure, where the recipient was told that information about whether they responded to the current survey would be noted by the research team and printed on future correspondence from the research team to the recipient...
July 20, 2017: Trials
https://www.readbyqxmd.com/read/28708170/widely-wavelength-tunable-fast-intensity-modulated-light-source-for-biophotonic-applications
#6
Tzu-Feng Huang, Sheng-Hao Tseng, Hsien-Yi Wang, Ming-Che Chan
High modulation depth, fast (megahertz to gigahertz), intensity-modulated light sources of various wavelengths within the 0.7-1.35 μm bio-penetration window are highly desirable for many biophotonic diagnosis systems. In this Letter, we present a novel scheme of a wavelength tunable, ultra-broadband light source which simply consists of a pump laser, a nonlinear fiber, and demodulation circuits. The working wavelength range of the light source is from 0.7 to 1.35 μm which covers a vast part of the bio-penetration window, and its modulation frequencies extends from tens of megahertz to gigahertz...
July 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/28614323/graphene-based-plasmonic-modulator-on-a-groove-structured-metasurface
#7
Yulin Wang, Tao Li, Shining Zhu
Graphene holds great potential to provide efficient modulation in optoelectronic integrated circuits due to its excellent tunability in conductivity, and several types of graphene-based photonic modulators have already been demonstrated. In this Letter, a plasmonic modulator was proposed based on a groove-structured metasurface covered by a single-layer graphene sheet, in which a transverse electrical-like mode is accommodated. Our design takes advantage of the field enhancement of the plasmonic mode and overcomes the orientation mismatch between the electrical field of the free surface plasmons and the graphene plane...
June 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/28576123/evaluation-of-strategies-for-increasing-response-rates-to-postal-questionnaires-in-quality-control-of-nasal-septal-surgery
#8
Merete T Egeland, Magnus Tarangen, Olga Shiryaeva, Caryl Gay, Liv K Døsen, Rolf Haye
BACKGROUND: Postal questionnaires are often used to assess the results of nasal septoplasty, but response rates vary widely. This study assesses strategies designed to increase the response rate. METHODS: Postoperative questionnaires using visual analogue scales (VAS) for nasal obstruction were mailed to 160 consecutive patients alternately allocated to one of two groups. Group A received the questionnaire in the usual manner and group B received a modified cover letter with hand-written name and signature and a hand-stamped return envelope...
June 2, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28570829/therapeutic-hypothermia-for-asphyxial-out-of-hospital-cardiac-arrest-due-to-drowning-a-systematic-review-of-case-series-and-case-reports
#9
Kai-Fung Kevin Suen, Reynold Leung, Ling-Pong Leung
The objective of this review was to summarize published evidence of the effectiveness of therapeutic hypothermia in patients with drowning-associated asphyxial out-of-hospital cardiac arrest (OHCA) and to explore any preliminary favorable factors in the management of therapeutic hypothermia to improve survival and neurological outcome. Drowning may result in asphyxial OHCA or hypothermic OHCA, but the former does not provide any potential neuroprotective effect as the latter may do. Electronic literature searches of Ovid Medline, Embase, Cochrane Library, and Scopus were performed for all years from inception to July 2016...
June 1, 2017: Therapeutic Hypothermia and Temperature Management
https://www.readbyqxmd.com/read/28514492/ordering-by-the-numbers-in-anatomy-and-by-letters-too
#10
Paul E Neumann, Robert Baud, Pierre Sprumont
Here, new rules of Latin anatomical nomenclature are proposed to deal with cases not covered by existing or other recommended rules. Determiners (e.g., numerals, letters, alphanumeric strings, and Latin names of Greek letters) should follow the noun they specify or limit, just as it is recommended that adjectives should follow the noun they modify. In general, Roman numerals, Latin letters, and Latin names of Greek letters are preferable to Arabic numerals and Greek letters in Latin anatomical terms. It is also noted that the word typus (type) appears to be superfluous and unnecessary in the Latin anatomical nomenclature...
May 17, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28472981/infectious-diseases-of-poverty-the-first-five-years
#11
EDITORIAL
Wei Wang, Jin Chen, Hui-Feng Sheng, Na-Na Wang, Pin Yang, Xiao-Nong Zhou, Robert Bergquist
Although the focus in the area of health research may be shifting from infectious to non-communicable diseases, the infectious diseases of poverty remain a major burden of disease of global health concern. A global platform to communicate and share the research on these diseases is needed to facilitate the translation of knowledge into effective approaches and tools for their elimination. Based on the "One health, One world" mission, a new, open-access journal, Infectious Diseases of Poverty (IDP), was launched by BioMed Central in partnership with the National Institute of Parasitic Diseases (NIPD), Chinese Center for Disease Control and Prevention (China CDC) on October 25, 2012...
May 4, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28460423/letter-to-covered-versus-uncovered-metal-stents-for-malignant-gastric-outlet-obstruction-systematic-review-and-metaanalysis-dig-endosc-doi-10-1111-den-12786
#12
Enrico Fiori, Antonietta Lamazza, Antonio V Sterpetti
We prospectively analyzed the clinical outcomes of 72 patients (2,3) and we came to similar conclusions. Conceptually, covered stents present the advantage to prevent tumor ingrowth within the stent, and, being more compliant, they could facilitate pyloric motility. However, they dislodge more easily, and distal migration of the stent can lead to serious consequences (4). This article is protected by copyright. All rights reserved.
April 29, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28435496/-choosing-wisely-imaging-recommendations-initial-implementation-in-new-england-emergency-departments
#13
Ali S Raja, Arjun Venkatesh, Nathan Mick, Cristopher P Zabbo, Kohei Hasegawa, Janice A Espinola, Jane C Bittner, Carlos A Camargo
INTRODUCTION: In June 2016, the American College of Emergency Physicians (ACEP) Emergency Quality Network began its Reduce Avoidable Imaging Initiative, designed to "reduce testing and imaging with low risk patients through the implementation of Choosing Wisely recommendations." However, it is unknown whether New England emergency departments (ED) have already implemented evidence-based interventions to improve adherence to ACEP Choosing Wisely recommendations related to imaging after their initial release in 2013...
April 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28418457/the-field-of-view-available-to-the-ventral-occipito-temporal-reading-circuitry
#14
Rosemary Le, Nathan Witthoft, Michal Ben-Shachar, Brian Wandell
Skilled reading requires rapidly recognizing letters and word forms; people learn this skill best for words presented in the central visual field. Measurements over the last decade have shown that when children learn to read, responses within ventral occipito-temporal cortex (VOT) become increasingly selective to word forms. We call these regions the VOT reading circuitry (VOTRC). The portion of the visual field that evokes a response in the VOTRC is called the field of view (FOV). We measured the FOV of the VOTRC and found that it is a small subset of the entire field of view available to the human visual system...
April 1, 2017: Journal of Vision
https://www.readbyqxmd.com/read/28398987/predicting-risk-and-outcomes-for-frail-older-adults-an-umbrella-review-of-frailty-screening-tools
#15
João Apóstolo, Richard Cooke, Elzbieta Bobrowicz-Campos, Silvina Santana, Maura Marcucci, Antonio Cano, Miriam Vollenbroek-Hutten, Federico Germini, Carol Holland
BACKGROUND: A scoping search identified systematic reviews on diagnostic accuracy and predictive ability of frailty measures in older adults. In most cases, research was confined to specific assessment measures related to a specific clinical model. OBJECTIVES: To summarize the best available evidence from systematic reviews in relation to reliability, validity, diagnostic accuracy and predictive ability of frailty measures in older adults. INCLUSION CRITERIA POPULATION: Older adults aged 60 years or older recruited from community, primary care, long-term residential care and hospitals...
April 2017: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/28337433/occupational-stress-and-burnout-among-surgeons-in-fiji
#16
Rajeev Patel, Peter Huggard, Annik van Toledo
AIM: This study examined the levels of occupational stress and burnout among surgeons in Fiji. METHODS: A document set comprising a cover letter; a consent form; a sociodemographic and supplementary information questionnaire; the Maslach Burnout Inventory (MBI); the 12-item General Health Questionnaire (GHQ-12); the Alcohol Use Disorders Identification Test (AUDIT); and the Professional Quality of Life (ProQOL) questionnaires were provided to surgeons from three public divisional hospitals in Fiji...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28329603/job-recruitment
#17
University Of California Davis School Of Medicine
The University of California Davis, School of Medicine, Department of Dermatology is recruiting for a full-time position at the Associate or Full Professor level in the Clinical X Series or Health Sciences Clinical Professor (HSCP) Series. The successful candidate is nominated to be the holder of the Frederick G. Novy, Jr. M.D Endowed Professorship. Appointees to the ClinX series are expected to conduct independent research. Both series require significant participation in teaching and University/public service...
October 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28286821/smartphones-and-medical-applications-in-the-emergency-department-daily-practice
#18
Amirhosein Jahanshir, Ehsan Karimialavijeh, Hojjat Sheikh, Motahar Vahedi, Mehdi Momeni
INTRODUCTION: Medical applications help physicians to make more rapid and evidence based decisions that may provide better patient care. This study aimed to determine the extent to which smart phones and medical applications are integrated in the emergency department daily practice. METHOD: In a cross sectional study, a modified standard questionnaire (Payne et al.) consisting of demographic data and information regarding quality and quantity of smartphone and medical app utilization was sent to emergency-medicine residents and interns twice (two weeks apart), in January 2015...
2017: Emergency (Tehran, Iran)
https://www.readbyqxmd.com/read/28252907/-italian-male-nurses-called-to-arms-in-world-war-ii-the-letters-of-the-years-of-imprisonment
#19
Rosa Maria Gaetano, Roberto Milos, Ivana Maria Rossi, Stefania Rancati
AIM: During the Second World War the male staff of assistance in the Italia hospitals was called to arms.This work concerns the letters sent by the male nurses who were captured by the Germans and put in prison. The aim is to know whether their profession had somehow affected their living condition in jail and had favoured their release or not. METHOD: 88 personal files of nurses on duty in Ospedale Maggiore and sent to the front during the period between 1940 and 1945 have been studied...
October 2016: Professioni Infermieristiche
https://www.readbyqxmd.com/read/28248354/measuring-extinction-with-digital-holography-nonspherical-particles-and-experimental-validation
#20
Matthew J Berg, Nava R Subedi, Peter A Anderson
Through simulations and experiment, this Letter shows how a particle's extinction cross section can be extracted from a digital hologram. Spherical and nonspherical particles are considered covering a range of cross-sectional values of nearly five orders of magnitude. The extracted cross sections are typically less than 10% in error from the true values. It is also shown that holograms encompassing a sufficiently large angular range of scattered light yield an estimate for the absorption cross section.
March 1, 2017: Optics Letters
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