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https://www.readbyqxmd.com/read/28806756/generic-scalable-and-decentralized-fault-detection-for-robot-swarms
#1
Danesh Tarapore, Anders Lyhne Christensen, Jon Timmis
Robot swarms are large-scale multirobot systems with decentralized control which means that each robot acts based only on local perception and on local coordination with neighboring robots. The decentralized approach to control confers number of potential benefits. In particular, inherent scalability and robustness are often highlighted as key distinguishing features of robot swarms compared with systems that rely on traditional approaches to multirobot coordination. It has, however, been shown that swarm robotics systems are not always fault tolerant...
2017: PloS One
https://www.readbyqxmd.com/read/28806753/accelerometer-derived-physical-activity-and-sedentary-time-by-cancer-type-in-the-united-states
#2
Keith M Thraen-Borowski, Keith P Gennuso, Lisa Cadmus-Bertram
The 2003-2004 and 2005-2006 cycles of the National Health and Nutrition Examination Survey (NHANES) were among the first population-level studies to incorporate objectively measured physical activity and sedentary behavior, allowing for greater understanding of these behaviors. However, there has yet to be a comprehensive examination of these data in cancer survivors, including short- and long-term survivors of all cancer types. Therefore, the purpose of this analysis was to use these data to describe activity behaviors in short- and long-term cancer survivors of various types...
2017: PloS One
https://www.readbyqxmd.com/read/28806742/dissociating-maternal-responses-to-sad-and-happy-facial-expressions-of-their-own-child-an-fmri-study
#3
Dorothea Kluczniok, Catherine Hindi Attar, Jenny Stein, Sina Poppinga, Thomas Fydrich, Charlotte Jaite, Viola Kappel, Romuald Brunner, Sabine C Herpertz, Katja Boedeker, Felix Bermpohl
BACKGROUND: Maternal sensitive behavior depends on recognizing one's own child's affective states. The present study investigated distinct and overlapping neural responses of mothers to sad and happy facial expressions of their own child (in comparison to facial expressions of an unfamiliar child). METHODS: We used functional MRI to measure dissociable and overlapping activation patterns in 27 healthy mothers in response to happy, neutral and sad facial expressions of their own school-aged child and a gender- and age-matched unfamiliar child...
2017: PloS One
https://www.readbyqxmd.com/read/28806641/acute-ethanol-administration-results-in-a-protective-cytokine-and-neuroinflammatory-profile-in-traumatic-brain-injury
#4
Akila Chandrasekar, Florian Olde Heuvel, Annette Palmer, Birgit Linkus, Albert C Ludolph, Tobias M Boeckers, Borna Relja, Markus Huber-Lang, Francesco Roselli
Ethanol intoxication is a common comorbidity in traumatic brain injury. To date, the effect of ethanol on TBI pathogenic cascades and resulting outcomes remains debated. A closed blunt weight-drop murine TBI model has been implemented to investigate behavioral (by sensorimotor and neurological tests), and neuro-immunological (by tissue cytokine arrays and immuno-histology) effects of ethanol intoxication on TBI. The effect of the occurrence of traumatic intracerebral hemorrhage was also studied. The results indicate that ethanol pretreatment results in a faster and better recovery after TBI with reduced infiltration of leukocytes and reduced microglia activation...
August 11, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28806614/altered-interaction-with-environmental-reinforcers-in-major-depressive-disorder-relationship-to-anhedonia
#5
Joanna E Szczepanik, Maura L Furey, Allison C Nugent, Ioline D Henter, Carlos A Zarate, Carl W Lejuez
Anhedonia-defined as loss of interest or pleasure-is one of two core symptoms of major depressive disorder (MDD). Anhedonia may involve decreased enjoyment of potentially rewarding activities and decreased motivation to engage in such activities. Increased engagement with reinforcers-activities with the potential to be positive experiences-is a frequent target of cognitive-behavioral therapies. Nevertheless, how environmental reinforcers are perceived, and how decisions to approach or avoid them are made by individuals with MDD, is largely unknown...
August 3, 2017: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/28806580/the-eco-toxic-effects-of-pesticide-and-heavy-metal-mixtures-towards-earthworms-in-soil
#6
REVIEW
Herman Uwizeyimana, Meie Wang, Weiping Chen, Kifayatullah Khan
Earthworms are the key soil organisms, contribute to many positive ecological services that could be degraded by pesticides and other soil pollutants such as heavy metals. Chemicals usually occur as mixtures in the environmental systems which can lead synergistic effects. The assessment and characterization of soil pollutants that effects risks are very difficult due to the complexity of soil matrix, poor understanding about the fate and effects of chemical combinations like pesticide and metal mixtures in terrestrial systems, and scarcity of toxicological data on mixtures of pollutants...
August 7, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28806559/assessment-of-chemicals-released-in-the-marine-environment-by-dielectric-elastomers-useful-as-active-elements-in-wave-energy-harvesters
#7
Mirela-Fernanda Zaltariov, Adrian Bele, Lavinia Vasiliu, Luiza Gradinaru, Nicoleta Vornicu, Carmen Racles, Maria Cazacu
A series of elastomers, either natural or synthetic (some of them commercial, while others prepared in the laboratory), suitable for use as active elements in devices for wave energy harvesting, were evaluated concerning their behavior and effects on the marine environment. In this aim, the elastomer films, initially evaluated regarding their aspect, structure, surface wettability, and tolerance of microorganisms growth, were immersed in synthetic seawater (SSW) within six months for assessing compounds released...
August 4, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28806500/doxepin-mitigates-noise-induced-neuronal-damage-in-primary-auditory-cortex-of-mice-via-suppression-of-acid-sphingomyelinase-ceramide-pathway
#8
Yu-Ting Su, Xing-Xing Meng, Xi Zhang, Yi-Bin Guo, Hai-Jun Zhang, Yao-Ping Cheng, Xiao-Ping Xie, Yao-Ming Chang, Jun-Xiang Bao
Neuronal damage in primary auditory cortex (A1) underlies complex manifestations of noise exposure, prevention of which is critical for health maintenance. Acid sphingomyelinase (ASM) catalyzes generation of ceramide (Cer) which if over-activated mediates neuronal disorders in various diseases. Tricyclic antidepressants (TCAs), by restraining ASM/Cer, benefits multiple neuronal anomalies, so we aimed to elucidate the effect of TCA on noise induced hearing loss and auditory cortex derangement, unraveling mechanism involved...
August 14, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28806370/will-veterans-answer-sexual-orientation-and-gender-identity-questions
#9
Mollie A Ruben, John R Blosnich, Melissa E Dichter, Lorry Luscri, Jillian C Shipherd
BACKGROUND: The Veterans Health Administration does not routinely collect and document sexual orientation and gender identity (SOGI) data, despite existing health disparities among sexual and gender minority Veterans. Because of the legacy of previous Department of Defense (DoD) policies that prohibited disclosure of sexual or gender minority identities among active duty personnel, Veterans may be reluctant to respond to SOGI questions. OBJECTIVES: This population-based study assesses item nonresponse to SOGI questions by Veteran status...
September 2017: Medical Care
https://www.readbyqxmd.com/read/28806211/the-opiorphin-analog-str-324-decreases-sensory-hypersensitivity-in-a-rat-model-of-neuropathic-pain
#10
Alain Van Elstraete, Philippe Sitbon, Leila Hamdi, Victor Juarez-Perez, Jean-Xavier Mazoit, Dan Benhamou, Catherine Rougeot
BACKGROUND: Neuropathic pain represents a therapeutic challenge, and treatments with increased efficacy and tolerability still need to be developed. Opiorphin protects endogenous enkephalins from degradation, potentiating enkephalin-dependent analgesia via the activation of opioid pathways. Enkephalins are natural ligands of opioid receptors, with strong affinity for δ-opioid receptors. Expression of functional δ-opioid receptors increases in sensory neurons after peripheral nerve injury in neuropathic pain models...
August 10, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28806136/harnessing-olig2-function-in-tumorigenicity-and-plasticity-to-target-malignant-gliomas
#11
Jennifer Kosty, Fanghui Lu, Robert Kupp, Shwetal Mehta, Q Richard Lu
Glioblastoma (GBM) is the most prevalent and malignant brain tumor, displaying notorious resistance to conventional therapy, partially due to molecular and genetic heterogeneity. Understanding the mechanisms for gliomagenesis, tumor stem/progenitor cell propagation and phenotypic diversity is critical for devising effective and targeted therapy for this lethal disease. The basic helix-loop-helix transcription factor OLIG2, which is universally expressed in gliomas, has emerged as an important player in GBM cell reprogramming, genotoxic resistance, and tumor phenotype plasticity...
August 14, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28806055/selective-release-system-for-antioxidative-and-anti-inflammatory-activities-using-h2o2-responsive-therapeutic-nanoparticles
#12
A Young Kim, Ji Hoon Ha, Soo Nam Park
We developed nanoparticles that were degraded by H2O2, a reactive oxygen species (ROS), to study a drug delivery system that targets damaged skin cells with oxidative stress and inflammation. In this study, tyrosol-incorporated copolyoxalate (TPOX) was synthesized by using 1,4-cyclohexanedimethanol, 4-(2-hydroxyethyl)phenol (tyrosol) and oxalyl chloride (Mw ~8835 Da). In vitro drug release behavior was assessed by loading nile red, a lipophilic fluorescent material such as quercetin, into the TPOX nanoparticles...
August 14, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28805853/the-activity-of-lone-pair-contributing-to-shg-response-in-bismuth-borates-a-combination-investigation-from-experiment-and-dft-calculation
#13
Cong Hu, Miriding Mutailipu, Ying Wang, Fengjiao Guo, Zhihua Yang, Shilie Pan
Second harmonic generation (SHG) response is one of the most essential properties of nonlinear optical (NLO) materials. To achieve relatively strong SHG response, a feasible strategy is to introduce stereochemically active lone pair (SCALP) cations, such as Bi(3+). NLO materials with Bi(3+) usually exhibit a huge difference in SHG response, the inner correlation between the activity of SCALP and SHG response still being unclear owing to the lack of quantization estimation of the intensity of SCALP. Based on the calculation results of density functional theory (DFT), we develop a theoretical method to compute the intensity of the Bi-6s SCALP, which could describe the stereochemical behavior and exert significantly influences on some apparent optical properties, such as SHG response...
August 14, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28805764/-behavioral-phenotyping-in-rats-during-the-experimental-modeling-of-chronic-cerebral-circulation-disorder
#14
D V Kurkin, E I Morkovin, D V Verkholiak, N A Osadchenko, I N Tyurenkov, V I Petrov
AIM: To describe motor, adaptive and cognitive disorders in rats with chronic cerebral circulatory deficiency caused by partial stenosis of the common carotid arteries (CCA). MATERIAL AND METHODS: A study was performed on 20 white outbred male rats. This manipulation led to 40-45% and 50-60% reduction of blood flow in CCA and in the brain, respectively. Twenty days after operation, animal's condition was assessed in the following tests: open field test, rotarod performance test, marble burying test and novel object recognition...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28805762/-a-study-of-combination-treatment-with-nacom-levodopa-carbodope-and-citicoline-in-the-model-of-parkinson-disease-in-rats
#15
V A Kashkin, E V Shekunova, M N Makarova, V G Makarov
AIM: To evaluate the efficacy of the combined use of citicoline (neipilept) and levodopa/carbidopa (nakom) in the rotenone model of Parkinson's disease in rats. MATERIAL AND METHODS: Rotenone was administrated during 14 days in dose 2 mg/kg/day subcutaneously. The duration of treatment was 7 days, intragastrically. Alteration of locomotor behavior components, muscular rigidity in resistance to passive flexion in the ankle joint and signs of extrapyramidal disorders were assessed...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28805663/yap-taz-regulates-sprouting-angiogenesis-and-vascular-barrier-maturation
#16
Jongshin Kim, Yoo Hyung Kim, Jaeryung Kim, Do Young Park, Hosung Bae, Da-Hye Lee, Kyun Hoo Kim, Seon Pyo Hong, Seung Pil Jang, Yoshiaki Kubota, Young-Guen Kwon, Dae-Sik Lim, Gou Young Koh
Angiogenesis is a multistep process that requires coordinated migration, proliferation, and junction formation of vascular endothelial cells (ECs) to form new vessel branches in response to growth stimuli. Major intracellular signaling pathways that regulate angiogenesis have been well elucidated, but key transcriptional regulators that mediate these signaling pathways and control EC behaviors are only beginning to be understood. Here, we show that YAP/TAZ, a transcriptional coactivator that acts as an end effector of Hippo signaling, is critical for sprouting angiogenesis and vascular barrier formation and maturation...
August 14, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28805639/development-and-evolution-of-brain-allometry-in-wasps-vespidae-size-ecology-and-sociality
#17
REVIEW
Sean O'Donnell, Susan Bulova
We review research on brain development and brain evolution in the wasp family Vespidae. Basic vespid neuroanatomy and some aspects of functional neural circuitry are well-characterized, and genomic tools for exploring brain plasticity are being developed. Although relatively modest in terms of species richness, the Vespidae include species spanning much of the known range of animal social complexity, from solitary nesters to highly eusocial species with some of the largest known colonies and multiple reproductives...
August 2017: Current Opinion in Insect Science
https://www.readbyqxmd.com/read/28805580/tourette-syndrome-and-chronic-tic-disorders-the-clinical-spectrum-beyond-tics
#18
Davide Martino, Christos Ganos, Tamara M Pringsheim
The clinical surveillance and active management of Tourette syndrome (TS) and other primary chronic tic disorders cannot be limited to tics, as these patients manifest a spectrum of sensory-, behavioral-, cognitive-, and sleep-related problems that have a major impact on their functioning and quality of life, influencing enormously clinical decision making on a routine basis. The sensory phenomena of primary tic disorders consist of premonitory urges and heightened sensitivity to external somatosensory and interoceptive stimuli...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28805441/examining-overlap-in-behavioral-and-neural-representations-of-morals-facts-and-preferences
#19
Jordan Theriault, Adam Waytz, Larisa Heiphetz, Liane Young
Metaethical judgments refer to judgments about the information expressed by moral claims. Moral objectivists generally believe that moral claims are akin to facts, whereas moral subjectivists generally believe that moral claims are more akin to preferences. Evidence from developmental and social psychology has generally favored an objectivist view; however, this work has typically relied on few examples, and analyses have disallowed statistical generalizations beyond these few stimuli. The present work addresses whether morals are represented as fact-like or preference-like, using behavioral and neuroimaging methods, in combination with statistical techniques that can (a) generalize beyond our sample stimuli, and (b) test whether particular item features are associated with neural activity...
August 14, 2017: Journal of Experimental Psychology. General
https://www.readbyqxmd.com/read/28805432/strain-dependent-sex-differences-in-a-long-term-forced-swim-paradigm
#20
José Colom-Lapetina, Sabrina L Begley, Megan E Johnson, Kristina J Bean, Whitney N Kuwamoto, Rebecca M Shansky
Women are twice as likely as men to suffer from trauma- and stressor-related disorders. The development of improved therapeutic interventions is contingent upon a more complete grasp of both the neural and behavioral dynamics of the stress response in females. The rodent forced swim test (FST) is a valuable animal model for exploring the neurobiological mechanisms responsible for selection of active and passive responses to inescapable stressors, but it is often neglected in 2-day FST studies is the dissociation of innate (Day 1) versus learned (Day 2) coping responses...
August 14, 2017: Behavioral Neuroscience
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