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https://www.readbyqxmd.com/read/27913105/the-colors-of-paintings-and-viewers-preferences
#1
Sérgio M C Nascimento, João M M Linhares, Cristina Montagner, Catarina A R João, Kinjiro Amano, Catarina Alfaro, Ana Bailão
One hypothesis to explain the aesthetics of paintings is that it depends on the extent to which they mimic natural image statistics. In fact, paintings and natural scenes share several statistical image regularities but the colors of paintings seem generally more biased towards red than natural scenes. Is the particular option for colors in each painting, even if less naturalistic, critical for perceived beauty? Here we show that it is. In the experiments, 50 naïve observers, unfamiliar with the 10 paintings tested, could rotate the color gamut of the paintings and select the one producing the best subjective impression...
November 29, 2016: Vision Research
https://www.readbyqxmd.com/read/27911667/barriers-and-benefits-in-telemedicine-arising-between-a-high-technology-hospital-service-provider-and-remote-public-healthcare-units-a-qualitative-study-in-brazil
#2
Carlos Henrique Amaral de Souza, Renata Albaladejo Morbeck, Milton Steinman, Cora Pereira Hors, Mario Maia Bracco, Elisa H Kozasa, Eliseth Ribeiro Leão
BACKGROUND: In Brazil, the Program for Institutional Development of the Unified Healthcare System (PROADI-SUS) has implemented a telemedicine service for urgent situations and emergencies. It is delivered by a high-technology (HT) hospital to 15 remote healthcare units (RUs) in 11 different Brazilian states. The aim of this study was to investigate possible barriers and benefits in telemedicine service among these units. MATERIALS AND METHODS: We performed a qualitative study on the perceptions of physicians involved in telemedicine service in their role as providers and consultants...
December 2, 2016: Telemedicine Journal and E-health: the Official Journal of the American Telemedicine Association
https://www.readbyqxmd.com/read/27910310/millimeter-wave-imaging-diagnostics-systems-on-the-east-tokamak-invited
#3
Y L Zhu, J L Xie, C X Yu, Z L Zhao, B X Gao, D X Chen, W D Liu, W Liao, C M Qu, C Luo, X Hu, A G Spear, N C Luhmann, C W Domier, M Chen, X Ren, B J Tobias
Millimeter-wave imaging diagnostics, with large poloidal span and wide radial range, have been developed on the EAST tokamak for visualization of 2D electron temperature and density fluctuations. A 384 channel (24 poloidal × 16 radial) Electron Cyclotron Emission Imaging (ECEI) system in F-band (90-140 GHz) was installed on the EAST tokamak in 2012 to provide 2D electron temperature fluctuation images with high spatial and temporal resolution. A co-located Microwave Imaging Reflectometry (MIR) will be installed for imaging of density fluctuations by December 2016...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910222/cyclic-vomiting-syndrome-is-characterized-by-altered-functional-brain-connectivity-of-the-insular-cortex-a-cross-comparison-with-migraine-and-healthy-adults
#4
D-M Ellingsen, R G Garcia, J Lee, R L Lin, J Kim, A H Thurler, S Castel, L Dimisko, B R Rosen, N Hadjikhani, B Kuo, V Napadow
Cyclic Vomiting Syndrome (CVS) has been linked to episodic migraine, yet little is known about the precise brain-based mechanisms underpinning CVS, and whether these associated conditions share similar pathophysiology. We investigated the functional integrity of salience (SLN) and sensorimotor (SMN) intrinsic connectivity networks in CVS, migraine and healthy controls using brain functional Magnetic Resonance Imaging. CVS, relative to both migraine and controls, showed increased SLN connectivity to middle/posterior insula, a key brain region for nausea and viscerosensory processing...
December 1, 2016: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/27909396/the-eye-as-a-biomarker-for-alzheimer-s-disease
#5
REVIEW
Jeremiah K H Lim, Qiao-Xin Li, Zheng He, Algis J Vingrys, Vickie H Y Wong, Nicolas Currier, Jamie Mullen, Bang V Bui, Christine T O Nguyen
Alzheimer's disease (AD) is a progressive neurodegenerative disorder resulting in dementia and eventual death. It is the leading cause of dementia and the number of cases are projected to rise in the next few decades. Pathological hallmarks of AD include the presence of hyperphosphorylated tau and amyloid protein deposition. Currently, these pathological biomarkers are detected either through cerebrospinal fluid analysis, brain imaging or post-mortem. Though effective, these methods are not widely available due to issues such as the difficulty in acquiring samples, lack of infrastructure or high cost...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27908343/a%C3%AE-amyloid-pathology-affects-the-hearts-of-patients%C3%A2-with%C3%A2-alzheimer-s-disease-mind%C3%A2-the-heart
#6
Luca Troncone, Marco Luciani, Matthew Coggins, Elissa H Wilker, Cheng-Ying Ho, Kari Elise Codispoti, Matthew P Frosch, Rakez Kayed, Federica Del Monte
BACKGROUND: Individually, heart failure (HF) and Alzheimer's disease (AD) are severe threats to population health, and their potential coexistence is an alarming prospect. In addition to sharing analogous epidemiological and genetic profiles, biochemical characteristics, and common triggers, the authors recently recognized common molecular and pathological features between the 2 conditions. Whereas cognitive impairment has been linked to HF through perfusion defects, angiopathy, and inflammation, whether patients with AD present with myocardial dysfunction, and if the 2 conditions bear a common pathogenesis as neglected siblings are unknown...
December 6, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27906723/safety-and-outcome-measures-of-first-in-human-intraperitoneal-%C3%AE-radioimmunotherapy-with-212pb-tcmc-trastuzumab
#7
Ruby F Meredith, Julien J Torgue, Tania A Rozgaja, Eileen P Banaga, Patty W Bunch, Ronald D Alvarez, J Michael Straughn, Michael C Dobelbower, Andrew M Lowy
PURPOSE: One-year monitoring of patients receiving intraperitoneal (IP) Pb-TCMC-trastuzumab to provide long-term safety and outcome data. A secondary objective was to study 7 tumor markers for correlation with outcome. METHODS: Eighteen patients with relapsed intra-abdominal human epidermal growth factor receptor-2 expressing peritoneal metastases were treated with a single IP infusion of Pb-TCMC-trastuzumab, delivered <4 h after 4 mg/kg IV trastuzumab. Seven tumor markers were studied for correlation with outcome...
November 30, 2016: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/27906276/muscowert-multi-scale-consistence-of-weighted-edge-radon-transform-for-horizon-detection-in-maritime-images
#8
Dilip K Prasad, Deepu Rajan, Lily Rachmawati, Eshan Rajabally, Chai Quek
This paper addresses the problem of horizon detection, a fundamental process in numerous object detection algorithms, in a maritime environment. The maritime environment is characterized by the absence of fixed features, the presence of numerous linear features in dynamically changing objects and background and constantly varying illumination, rendering the typically simple problem of detecting the horizon a challenging one. We present a novel method called multi-scale consistence of weighted edge Radon transform, abbreviated as MuSCoWERT...
December 1, 2016: Journal of the Optical Society of America. A, Optics, Image Science, and Vision
https://www.readbyqxmd.com/read/27906054/is-radical-surgery-of-an-inverted-papilloma-of-the-maxillary-sinus-obsolete-a-case-report
#9
Vedat Yildirim, Niels Christian Pausch, Dirk Halama, Heinz-Theo Lübbers, Ayhan Yildirim
BACKGROUND: Sinonasal inverted papilloma is a locally aggressive tumor arising from the Schneiderian membrane which lines the nasal cavity and paranasal sinuses. Aggressive surgical approaches, such as lateral rhinotomy, were used until recently for complete removal of the inverted papilloma. Currently, endoscopic resection is the gold standard in the treatment of inverted papilloma. However, there are situations that justify an open approach. For example there are studies that report a higher postoperative recurrence rate after endonasal endoscopic resection, particularly in the treatment of recurrent diseases...
December 1, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27904032/coronary-microvascular-dysfunction%C3%A3-epidemiology-pathogenesis-prognosis-diagnosis-risk-factors-and-therapy
#10
Cheng Chen, Janet Wei, Ahmed AlBadri, Parham Zarrini, C Noel Bairey Merz
Angina has traditionally been thought to be caused by obstructive coronary artery disease (CAD). However, a substantial number of patients with angina are found to not have obstructive CAD when undergoing coronary angiography. A significant proportion of these patients have coronary microvascular dysfunction (CMD), characterized by heightened sensitivity to vasoconstrictor stimuli and limited microvascular vasodilator capacity. With the advent of non-invasive and invasive techniques, the coronary microvasculature has been more extensively studied in the past 2 decades...
November 29, 2016: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/27902832/association-of-irritability-and-anxiety-with-the-neural-mechanisms-of-implicit-face-emotion-processing-in-youths-with-psychopathology
#11
Joel Stoddard, Wan-Ling Tseng, Pilyoung Kim, Gang Chen, Jennifer Yi, Laura Donahue, Melissa A Brotman, Kenneth E Towbin, Daniel S Pine, Ellen Leibenluft
Importance: Psychiatric comorbidity complicates clinical care and confounds efforts to elucidate the pathophysiology of commonly occurring symptoms in youths. To our knowledge, few studies have simultaneously assessed the effect of 2 continuously distributed traits on brain-behavior relationships in children with psychopathology. Objective: To determine shared and unique effects of 2 major dimensions of child psychopathology, irritability and anxiety, on neural responses to facial emotions during functional magnetic resonance imaging...
November 30, 2016: JAMA Psychiatry
https://www.readbyqxmd.com/read/27899692/jenkins-ci-an-open-source-continuous-integration-system-as-a-scientific-data-and-image-processing-platform
#12
Ioannis K Moutsatsos, Imtiaz Hossain, Claudia Agarinis, Fred Harbinski, Yann Abraham, Luc Dobler, Xian Zhang, Christopher J Wilson, Jeremy L Jenkins, Nicholas Holway, John Tallarico, Christian N Parker
High-throughput screening generates large volumes of heterogeneous data that require a diverse set of computational tools for management, processing, and analysis. Building integrated, scalable, and robust computational workflows for such applications is challenging but highly valuable. Scientific data integration and pipelining facilitate standardized data processing, collaboration, and reuse of best practices. We describe how Jenkins-CI, an "off-the-shelf," open-source, continuous integration system, is used to build pipelines for processing images and associated data from high-content screening (HCS)...
November 29, 2016: Journal of Biomolecular Screening
https://www.readbyqxmd.com/read/27898602/novel-high-spatiotemporal-resolution-versus-standard-of-care-dynamic-contrast-enhanced-breast-mri-comparison-of-image-quality
#13
Courtney K Morrison, Leah C Henze Bancroft, Wendy B DeMartini, James H Holmes, Kang Wang, Ryan J Bosca, Frank R Korosec, Roberta M Strigel
OBJECTIVE: Currently, dynamic contrast-enhanced (DCE) breast magnetic resonance imaging (MRI) prioritizes spatial resolution over temporal resolution given the limitations of acquisition techniques. The purpose of our intrapatient study was to assess the ability of a novel high spatial and high temporal resolution DCE breast MRI method to maintain image quality compared with the clinical standard-of-care (SOC) MRI. MATERIALS AND METHODS: Thirty patients, each demonstrating a focal area of enhancement (29 benign, 1 cancer) on their SOC MRI, consented to undergo a research DCE breast MRI on a second date...
November 28, 2016: Investigative Radiology
https://www.readbyqxmd.com/read/27895710/in-situ-label-free-imaging-of-hemicellulose-in-plant-cell-walls-using-stimulated-raman-scattering-microscopy
#14
Yining Zeng, John M Yarbrough, Ashutosh Mittal, Melvin P Tucker, Todd B Vinzant, Stephen R Decker, Michael E Himmel
BACKGROUND: Plant hemicellulose (largely xylan) is an excellent feedstock for renewable energy production and second only to cellulose in abundance. Beyond a source of fermentable sugars, xylan constitutes a critical polymer in the plant cell wall, where its precise role in wall assembly, maturation, and deconstruction remains primarily hypothetical. Effective detection of xylan, particularly by in situ imaging of xylan in the presence of other biopolymers, would provide critical information for tackling the challenges of understanding the assembly and enhancing the liberation of xylan from plant materials...
2016: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/27895565/challenges-to-the-pair-bond-neural-and-hormonal-effects-of-separation-and-reunion-in-a-monogamous-primate
#15
Katie Hinde, Chelsea Muth, Nicole Maninger, Benjamin J Ragen, Rebecca H Larke, Michael R Jarcho, Sally P Mendoza, William A Mason, Emilio Ferrer, Simon R Cherry, Marina L Fisher-Phelps, Karen L Bales
Social monogamy at its most basic is a group structure in which two adults form a unit and share a territory. However, many socially monogamous pairs display attachment relationships known as pair bonds, in which there is a mutual preference for the partner and distress upon separation. The neural and hormonal basis of this response to separation from the adult pair mate is under-studied. In this project, we examined this response in male titi monkeys (Callicebus cupreus), a socially monogamous New World primate...
2016: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/27894062/echocardiographic-comparison-between-left-ventricular-non-compaction-and-hypertrophic-cardiomyopathy
#16
Trine F Haland, Jørg Saberniak, Ida S Leren, Thor Edvardsen, Kristina H Haugaa
BACKGROUND: Modern imaging technology has improved detection of left ventricular non-compaction cardiomyopathy (LVNC). Hypertrophic cardiomyopathy (HCM) shares morphological features with LVNC, but prognosis and treatment strategies differ between LVNC and HCM. METHODS AND RESULTS: We aimed to compare global and regional LV myocardial function in LVNC and HCM. We hypothesized that apical function is reduced in LVNC due to the embryonic reduced compaction of the apex...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27892534/improving-estimation-of-fiber-orientations-in-diffusion-mri-using-inter-subject-information-sharing
#17
Geng Chen, Pei Zhang, Ke Li, Chong-Yaw Wee, Yafeng Wu, Dinggang Shen, Pew-Thian Yap
Diffusion magnetic resonance imaging is widely used to investigate diffusion patterns of water molecules in the human brain. It provides information that is useful for tracing axonal bundles and inferring brain connectivity. Diffusion axonal tracing, namely tractography, relies on local directional information provided by the orientation distribution functions (ODFs) estimated at each voxel. To accurately estimate ODFs, data of good signal-to-noise ratio and sufficient angular samples are desired. This is however not always available in practice...
November 28, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27890491/neural-pattern-similarity-between-contra-and-ipsilateral-movements-in-high-frequency-band-of-human-electrocorticograms
#18
Yusuke Fujiwara, Riki Matsumoto, Takuro Nakae, Kiyohide Usami, Masao Matsuhashi, Takayuki Kikuchi, Kazumichi Yoshida, Takeharu Kunieda, Susumu Miyamoto, Tatsuya Mima, Akio Ikeda, Rieko Osu
The cortical motor areas are activated not only during contralateral limb movements but also during ipsilateral limb movements. Although these ipsilateral activities have been observed in several brain imaging studies, their functional role is poorly understood. Due to its high temporal resolution and low susceptibility to artifacts from body movements, the electrocorticogram (ECoG) is an advantageous measurement method for assessing the human brain function of motor behaviors. Here, we demonstrate that contra- and ipsilateral movements share a similarity in the high-frequency band of human ECoG signals...
November 23, 2016: NeuroImage
https://www.readbyqxmd.com/read/27887721/comparative-multimodal-meta-analysis-of-structural-and-functional-brain-abnormalities-in-autism-spectrum-disorder-and-obsessive-compulsive-disorder
#19
Christina O Carlisi, Luke J Norman, Steve S Lukito, Joaquim Radua, David Mataix-Cols, Katya Rubia
BACKGROUND: Autism spectrum disorder (ASD) and obsessive-compulsive disorder (OCD) share inhibitory control deficits possibly underlying poor control over stereotyped and repetitive g., v/r/ dACC /MPFC); and (iv) to indicate a pathway (e.g., if this is a pathway: bilateral putamen/caudate/nucleus accumbens / pallidum /amygdala/insula). BPS style does not allow virgules to be used to represent expressions of duality or alternatives. Please express these as and/or, and, or or . BPS style does not allow virgules to be used to represent a compound modifier such as "rostral/ dorsomedial ," which should be changed to hyphen(s), such as rostral- dorsomedial ...
October 13, 2016: Biological Psychiatry
https://www.readbyqxmd.com/read/27884925/sensory-flow-as-a-basis-for-a-novel-distance-cue-in-freely-behaving-electric-fish
#20
Volker Hofmann, Juan Ignacio Sanguinetti-Scheck, Leonel Gómez-Sena, Jacob Engelmann
: The sensory input that an animal receives is directly linked to its motor activity. Behavior thus enables animals to influence their sensory input, a concept referred to as active sensing. How such behavior can serve as a scaffold for generating sensory information is of general scientific interest. In this article, we investigate how behavior can shape sensory information by using some unique features of the sensorimotor system of the weakly electric fish.Based on quantitative behavioral characterizations and computational reconstruction of sensory input, we show how electrosensory flow is actively created during highly patterned, spontaneous behavior in Gnathonemus petersii The spatiotemporal structure of the sensory input provides information for the computation of a novel distance cue, which allows for a continuous estimation of distance...
November 24, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
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