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https://www.readbyqxmd.com/read/28107684/non-invasive-brain-stimulation-targeting-the-right-fusiform-gyrus-selectively-increases-working-memory-for-faces
#1
Tad T Brunyé, Joseph M Moran, Amanda Holmes, Caroline R Mahoney, Holly A Taylor
The human extrastriate cortex contains a region critically involved in face detection and memory, the right fusiform gyrus. The present study evaluated whether transcranial direct current stimulation (tDCS) targeting this anatomical region would selectively influence memory for faces versus non-face objects (houses). Anodal tDCS targeted the right fusiform gyrus (Brodmann's Area 37), with the anode at electrode site PO10, and cathode at FP2. Two stimulation conditions were compared in a repeated-measures design: 0...
January 17, 2017: Brain and Cognition
https://www.readbyqxmd.com/read/28104712/secondhand-smoke-risk-perception-and-smoke-free-rules-in-homes-a-cross-sectional-study-in-barcelona-spain
#2
Cristina Lidón-Moyano, Jose M Martínez-Sánchez, Marcela Fu, Montse Ballbè, Juan Carlos Martín-Sánchez, Cristina Martínez, Esteve Fernández
OBJECTIVE: To describe the voluntary adoption of smoke-free homes in Spain among general population and to identify variables associated with its voluntary adoption. METHODS: Cross-sectional study of a representative sample (n=731) of the adult population (>26 years) of Barcelona, Spain, in 2013-2014. We defined smoking rules inside the households as complete indoor rules (when smoking was not allowed inside the house), and partial or absent indoor rules (when smoking was allowed in some designated places inside the house or when smoking was allowed everywhere) and described them according to the perceived risk of the secondhand smoke (SHS) exposure...
January 19, 2017: BMJ Open
https://www.readbyqxmd.com/read/28102349/development-of-patient-specific-phantoms-for-verification-of-stereotactic-body-radiation-therapy-planning-in-patients-with-metallic-screw-fixation
#3
Dongryul Oh, Chae-Seon Hong, Sang Gyu Ju, Minkyu Kim, Bum Yong Koo, SungBack Choi, Hee Chul Park, Doo Ho Choi, Hongryull Pyo
A new technique for manufacturing a patient-specific dosimetric phantom using three-dimensional printing (PSDP_3DP) was developed, and its geometrical and dosimetric accuracy was analyzed. External body contours and structures of the spine and metallic fixation screws (MFS) were delineated from CT images of a patient with MFS who underwent stereotactic body radiation therapy for spine metastasis. Contours were converted into a STereoLithography file format using in-house program. A hollow, four-section PSDP was designed and manufactured using three types of 3DP to allow filling with a muscle-equivalent liquid and insertion of dosimeters...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28099115/examination-of-the-reliability-of-an-inertial-sensor-based-gait-analysis-system
#4
Katja Orlowski, Falko Eckardt, Fabian Herold, Norman Aye, Jürgen Edelmann-Nusser, Kerstin Witte
Gait analysis is an important and useful part of the daily therapeutic routine. InvestiGAIT, an inertial sensor-based system, was developed for using in different research projects with a changing number and position of sensors and because commercial systems do not capture the motion of the upper body. The current study is designed to evaluate the reliability of InvestiGAIT consisting of four off-the-shelf inertial sensors and in-house capturing and analysis software. Besides the determination of standard gait parameters, the motion of the upper body (pelvis and spine) can be investigated...
January 18, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/28098785/neighborhood-design-physical-activity-and-wellbeing-applying-the-walkability-model
#5
Adriana A Zuniga-Teran, Barron J Orr, Randy H Gimblett, Nader V Chalfoun, David P Guertin, Stuart E Marsh
Neighborhood design affects lifestyle physical activity, and ultimately human wellbeing. There are, however, a limited number of studies that examine neighborhood design types. In this research, we examine four types of neighborhood designs: traditional development, suburban development, enclosed community, and cluster housing development, and assess their level of walkability and their effects on physical activity and wellbeing. We examine significant associations through a questionnaire (n = 486) distributed in Tucson, Arizona using the Walkability Model...
January 13, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28097073/handling-stress-may-confound-murine-gut-microbiota-studies
#6
Cary R Allen-Blevins, Xiaomeng You, Katie Hinde, David A Sela
BACKGROUND: Accumulating evidence indicates interactions between human milk composition, particularly sugars (human milk oligosaccharides or HMO), the gut microbiota of human infants, and behavioral effects. Some HMO secreted in human milk are unable to be endogenously digested by the human infant but are able to be metabolized by certain species of gut microbiota, including Bifidobacterium longum subsp. infantis (B. infantis), a species sensitive to host stress (Bailey & Coe, 2004). Exposure to gut bacteria like B...
2017: PeerJ
https://www.readbyqxmd.com/read/28095585/clinical-nursing-leadership-education-in-long-term-care-intervention-design-and-evaluation
#7
Valerie Fiset, Tracy Luciani, Alyssa Hurtubise, Theresa L Grant
The main objective of the current case study was to investigate the perceived leadership learning needs and feasibility of delivering leadership education to registered staff involved in direct care in long-term care (LTC) homes. The study was conducted in Ontario, Canada, and participants included RNs, registered practical nurses, and nursing administrators. Phase 1 bilingual web-based survey and bilingual focus group needs assessment data supported a preference for external training along with in-house mentoring to support sustainability...
January 17, 2017: Journal of Gerontological Nursing
https://www.readbyqxmd.com/read/28088413/short-communication-associations-between-feed-push-up-frequency-feeding-and-lying-behavior-and-milk-yield-and-composition-of-dairy-cows
#8
E K Miller-Cushon, T J DeVries
Feeding management factors have great potential to influence activity patterns and feeding behavior of dairy cows, which may have implications for performance. The objectives of this study were to assess the effects of feed push-up frequency on the behavioral patterns of dairy cows, and to determine associations between behavior and milk yield and composition. Lactating Holstein dairy cows (n = 28, parity = 1.9 ± 1.1; mean ± SD) were housed in tiestalls, milked twice per day, and offered ad libitum access to water and a total mixed ration (containing, on a dry matter basis: 25% corn silage, 25% grass/alfalfa haylage, 30% high-moisture corn, and 20% protein/mineral supplement), provided twice per day...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28078651/fed-batch-enzymatic-saccharification-of-high-solids-pretreated-lignocellulose-for-obtaining-high-titers-and-high-yields-of-glucose
#9
Young Hoon Jung, Hyun Min Park, Dong Hyun Kim, Jungwoo Yang, Kyoung Heon Kim
To reduce the distillation costs of cellulosic ethanol, it is necessary to produce high sugar titers in the enzymatic saccharification step. To obtain high sugar titers, high biomass loadings of lignocellulose are necessary. In this study, to overcome the low saccharification yields and the low operability of high biomass loadings, a fed-batch saccharification process was developed using an enzyme reactor that was designed and built in-house. After optimizing the cellulase and biomass feeding profiles and the agitation speed, 132...
January 11, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28068264/locator-retention-does-variation-in-number-and-configuration-matter
#10
Monica J Cayouette, Logan Barnes, Karen McPherson, Gregory J Wright
This pilot study was designed to collect initial data on overdenture attachment retention in varying configurations of attachment location in an implant-retained mandibular overdenture. A clear acrylic model of a mandible with 6 numbered implants and Locator resilient abutments was used to simulate implant placement in a patient. A clear acrylic denture was fabricated with 6 Locator housings to match the implants in the model. Attachments were tested in 4 different configurations: 2 implants, 2 and 5 (T25); 4 implants, 2-5 (T2345); 4 implants, 1, 3, 4, and 6 (T1346); and 6 implants, 1-6 (T1-6)...
January 2017: General Dentistry
https://www.readbyqxmd.com/read/28068082/gold-nanoclusters-promote-electrocatalytic-water-oxidation-at-the-nanocluster-cose2-interface
#11
Shuo Zhao, Renxi Jin, Hadi Abroshan, Chenjie Zeng, Hui Zhang, Stephen D House, Eric Gottlieb, Hyung J Kim, Judith C Yang, Rongchao Jin
Electrocatalytic water splitting to produce hydrogen comprises the hydrogen and oxygen evolution half reactions (HER and OER), with the latter as the bottleneck process. Thus, enhancing the OER performance and understanding the mechanism are critically important. Herein, we report a strategy for OER enhancement by utilizing gold nanoclusters to form cluster/CoSe2 composites; the latter exhibit largely enhanced OER activity in alkaline solutions. The Au25/CoSe2 composite affords a current density of 10 mA cm-2 at small overpotential of ~0...
January 9, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28065712/experimentally-reducing-corticosterone-mitigates-rapid-captivity-effects-on-behavior-but-not-body-composition-in-a-wild-bird
#12
Christine R Lattin, Anita V Pechenenko, Richard E Carson
Wild animals and captives display physiological and behavioral differences, and it has been hypothesized, but rarely tested, that these differences are caused by sustained elevation of the hormone corticosterone. We used repeated computed tomography (CT) imaging to examine body composition changes in breeding male and female wild house sparrows (Passer domesticus; n=20) in response to two weeks of captivity, and assessed behavioral changes using video recordings. Half of the birds received the drug mitotane, which significantly decreased stress-induced corticosterone titers compared to controls...
January 5, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28059905/functional-tricuspid-regurgitation-model-in-a-beating-heart-platform
#13
Michal Jaworek, Marco Piola, Federico Lucherini, Guido Gelpi, Marco Castagna, Giuliana Lentini, Carlo Antona, Gianfranco B Fiore, Riccardo Vismara
Currently, clinicians are seeking new, minimally invasive treatment options for functional tricuspid regurgitation (FTR). Challenging tricuspid complexity requires the evaluation of the treatment techniques in adequate and realistic preclinical scenario. The purpose of this paper is to describe the design and functional assessment of a novel passive beating heart model of the pulmonary circulation with the possibility to tightly control FTR.The model housed porcine hearts actuated by a volumetric pump that cyclically pressurized the right ventricle...
January 3, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28055033/an-electrical-load-measurements-dataset-of-united-kingdom-households-from-a-two-year-longitudinal-study
#14
David Murray, Lina Stankovic, Vladimir Stankovic
Smart meter roll-outs provide easy access to granular meter measurements, enabling advanced energy services, ranging from demand response measures, tailored energy feedback and smart home/building automation. To design such services, train and validate models, access to data that resembles what is expected of smart meters, collected in a real-world setting, is necessary. The REFIT electrical load measurements dataset described in this paper includes whole house aggregate loads and nine individual appliance measurements at 8-second intervals per house, collected continuously over a period of two years from 20 houses...
January 5, 2017: Scientific Data
https://www.readbyqxmd.com/read/28052086/active-mobility-and-environment-a-pilot-qualitative-study-for-the-design-of-a-new-questionnaire
#15
Franck Hess, Paul Salze, Christiane Weber, Thierry Feuillet, Hélène Charreire, Mehdi Menai, Camille Perchoux, Julie-Anne Nazare, Chantal Simon, Jean-Michel Oppert, Christophe Enaux
It is generally accepted that active mobility, mainly walking and cycling, contributes to people's physical and mental health. One of the current challenges is to improve our understanding of this type of behaviour. This study aims to identify factors from the daily-life environment that may be related to active mobility behaviours, in order to design a new questionnaire for a quantitative study of a large adult population. The new questionnaire obtained through this pilot study combines information from interviews with existing questionnaires materials in order to introduce new factors while retaining the factors already assessed...
2017: PloS One
https://www.readbyqxmd.com/read/28048918/su-f-r-11-designing-quality-and-safety-informatics-through-implementation-of-a-ct-radiation-dose-monitoring-program
#16
J M Wilson, E Samei
PURPOSE: Recent legislative and accreditation requirements have driven rapid development and implementation of CT radiation dose monitoring solutions. Institutions must determine how to improve quality, safety, and consistency of their clinical performance. The purpose of this work was to design a strategy and meaningful characterization of results from an in-house, clinically-deployed dose monitoring solution. METHODS: A dose monitoring platform was designed by our imaging physics group that focused on extracting protocol parameters, dose metrics, and patient demographics and size...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048831/su-g-jep4-01-an-assessment-of-a-microsoft-kinect-v2-sensor-for-voluntary-breath-hold-monitoring-in-radiotherapy
#17
D Edmunds, E Donovan
PURPOSE: To determine whether the Microsoft Kinect Version 2 (Kinect v2), a commercial off-the-shelf (COTS) depth sensors designed for entertainment purposes, were robust to the radiotherapy treatment environment and could be suitable for monitoring of voluntary breath-hold compliance. This could complement current visual monitoring techniques, and be useful for heart sparing left breast radiotherapy. METHODS: In-house software to control Kinect v2 sensors, and capture output information, was developed using the free Microsoft software development kit, and the Cinder creative coding C++ library...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048769/mo-fg-202-04-gantry-resolved-linac-qa-for-vmat-a-comprehensive-and-efficient-system-using-an-electronic-portal-imaging-device
#18
B J Zwan, M Barnes, J Hindmarsh, E Seymour, D J O'Connor, P J Keall, P B Greer
PURPOSE: To automate gantry-resolved linear accelerator (linac) quality assurance (QA) for volumetric modulated arc therapy (VMAT) using an electronic portal imaging device (EPID). METHODS: A QA system for VMAT was developed that uses an EPID, frame-grabber assembly and in-house developed image processing software. The system relies solely on the analysis of EPID image frames acquired without the presence of a phantom. Images were acquired at 8.41 frames per second using a frame grabber and ancillary acquisition computer...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048706/tu-ab-bra-06-best-in-physics-joint-imaging-therapy-an-mri-compatible-externally-and-internally-deformable-lung-motion-phantom-for-multi-modality-igrt
#19
P Sabouri, T Arai, A Sawant
PURPOSE: MRI has become an attractive tool for tumor motion management. Current MR-compatible phantoms are only capable of reproducing translational motion. This study describes the construction and validation of a more realistic, MRI-compatible lung phantom that is deformable internally as well as externally. We demonstrate a radiotherapy application of this phantom by validating the geometric accuracy of the open-source deformable image registration software NiftyReg (UCL, UK). METHODS: The outer shell of a commercially-available dynamic breathing torso phantom was filled with natural latex foam with eleven water tubes...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048382/su-g-jep2-15-proton-beam-behavior-in-the-presence-of-realistic-magnet-fields
#20
D M Santos, K Wachowicz, B G Fallone
PURPOSE: To investigate the effects of magnetic fields on proton therapy beams for integration with MRI. METHODS: 3D magnetic fields from an open-bore superconducting MRI model (previously developed by our group) and 3D magnetic fields from an in-house gradient coil design were applied to various mono energetic proton pencil beam (80MeV to 250MeV) simulations. In all simulations, the z-axis of the simulation geometry coincided with the direction of the B0 field and magnet isocentre...
June 2016: Medical Physics
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