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Applied Behavioral

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https://www.readbyqxmd.com/read/27933550/effect-of-variable-doses-of-zinc-oxide-nanoparticles-on-male-albino-mice-behavior
#1
Javeria Zahra, Shahid Iqbal, Kiran Zahra, Zulha Javed, Muhammad Aslam Shad, Atif Akbar, Muhammad Naeem Ashiq, Furhan Iqbal
Zinc oxide nanoparticles (ZnO NPs) have diverse utility these days ranging from being part of nanosensors to be ingredient of cosmetics. Present study was designed to report the effect of variable doses of ZnO NPs on selected aspects of male albino mice behavior. Nano particles were synthesized by sol-gel auto-combustion method (Data not shown here). 10 week old male albino mice were divided into four experimental groups; group A, B and C were orally supplemented with 50 (low dose), 300 (medium dose) and 600 mg/ml solvent/kg body weight (high dose) of ZnO NPs for 4 days...
December 8, 2016: Neurochemical Research
https://www.readbyqxmd.com/read/27933461/factors-associated-with-hiv-testing-among-participants-from-substance-use-disorder-treatment-programs-in-the-us-a-machine-learning-approach
#2
Yue Pan, Hongmei Liu, Lisa R Metsch, Daniel J Feaster
HIV testing is the foundation for consolidated HIV treatment and prevention. In this study, we aim to discover the most relevant variables for predicting HIV testing uptake among substance users in substance use disorder treatment programs by applying random forest (RF), a robust multivariate statistical learning method. We also provide a descriptive introduction to this method for those who are unfamiliar with it. We used data from the National Institute on Drug Abuse Clinical Trials Network HIV testing and counseling study (CTN-0032)...
December 8, 2016: AIDS and Behavior
https://www.readbyqxmd.com/read/27933363/spatially-resolved-metabolic-distribution-for-unraveling-the-physiological-change-and-responses-in-tomato-fruit-using-matrix-assisted-laser-desorption-ionization-mass-spectrometry-imaging-maldi-msi
#3
Junya Nakamura, Tomomi Morikawa-Ichinose, Yoshinori Fujimura, Eisuke Hayakawa, Katsutoshi Takahashi, Takanori Ishii, Daisuke Miura, Hiroyuki Wariishi
Information on spatiotemporal metabolic behavior is indispensable for a precise understanding of physiological changes and responses, including those of ripening processes and wounding stress, in fruit, but such information is still limited. Here, we visualized the spatial distribution of metabolites within tissue sections of tomato (Solanum lycopersicum L.) fruit using a matrix-assisted laser desorption/ionization-mass spectrometry imaging (MALDI-MSI) technique combined with a matrix sublimation/recrystallization method...
December 8, 2016: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/27933312/the-genetics-and-epigenetics-of-ptsd-overview-recent-advances-and-future-directions
#4
Christina M Sheerin, Mackenzie J Lind, Kaitlin Bountress, Nicole R Nugent, Ananda B Amstadter
This paper provides a brief summary and commentary on the growing literature and current developments related to the genetic underpinnings of posttraumatic stress disorder (PTSD). We first briefly provide an overview of the behavioral genetic literature on PTSD, followed by a short synopsis of the substantial candidate gene literature with a focus on genes that have been meta-analyzed. We then discuss the genome-wide association studies (GWAS) that have been conducted, followed by an introduction to other molecular platforms used in PTSD genomic studies, such as epigenetic and expression approaches...
April 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/27933028/autism-in-action-reduced-bodily-connectedness-during-social-interactions
#5
C Lieke E Peper, Sija J van der Wal, Sander Begeer
Autism is a lifelong disorder, defined by deficits in social interactions and flexibility. To date, diagnostic markers for autism primarily include limitations in social behavior and cognition. However, such tests have often shown to be inadequate for individuals with autism who are either more cognitively able or intellectually disabled. The assessment of the social limitations of autism would benefit from new tests that capture the dynamics of social initiative and reciprocity in interaction processes, and that are not dependent on intellectual or verbal skills...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27932883/functional-cortical-changes-in-relapsing-remitting-multiple-sclerosis-at-amplitude-configuration-a-resting-state-fmri-study
#6
Heng Liu, Hua Chen, Bo Wu, Tijiang Zhang, Jinhui Wang, Kexin Huang, Ganjun Song, Jian Zhan
OBJECTIVE: The aim of this study was to explore the amplitude of spontaneous brain activity fluctuations in patients with relapsing-remitting multiple sclerosis (RRMS) using the amplitude of low-frequency fluctuation (ALFF) method. METHODS: ALFF and SPM8 were utilized to assess alterations in regional spontaneous brain activities in patients with RRMS in comparison with healthy controls (HCs). The beta values of altered brain regions between patients with RRMS and HCs were extracted, and a receiver operating characteristic (ROC) curve was generated to calculate the sensitivities and specificities of these different brain areas for distinguishing patients with RRMS from HCs...
2016: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/27930605/health-communication-and-the-hiv-continuum-of-care
#7
Sten H Vermund, Elizabeth C Mallalieu, Lynn M Van Lith, Helen E Struthers
Health communication is a broad term that applies to the fundamental need for practitioners, policy makers, patients, and community members to understand one another around health promotion and health care issues. Whether in a consultation between nurse and patient, a health clinic director's engagement with the health ministry, or a community campaign for encouraging HIV testing, all have critical health communication elements. When people's needs are not perceived by them to be addressed or clients/patients do not understand what is being communicated, they are unmotivated to engage...
January 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/27930326/cell-size-and-growth-regulation-in-the-arabidopsis-thaliana-apical-stem-cell-niche
#8
Lisa Willis, Yassin Refahi, Raymond Wightman, Benoit Landrein, José Teles, Kerwyn Casey Huang, Elliot M Meyerowitz, Henrik Jönsson
Cell size and growth kinetics are fundamental cellular properties with important physiological implications. Classical studies on yeast, and recently on bacteria, have identified rules for cell size regulation in single cells, but in the more complex environment of multicellular tissues, data have been lacking. In this study, to characterize cell size and growth regulation in a multicellular context, we developed a 4D imaging pipeline and applied it to track and quantify epidermal cells over 3-4 d in Arabidopsis thaliana shoot apical meristems...
December 5, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27929322/using-trial-based-functional-analysis-to-design-effective-interventions-for-students-diagnosed-with-autism-spectrum-disorder
#9
Wallace Larkin, Renee O Hawkins, Tai Collins
Functional behavior assessments and function-based interventions are effective methods for addressing the challenging behaviors of children; however, traditional functional analysis has limitations that impact usability in applied settings. Trial-based functional analysis addresses concerns relating to the length of time, level of expertise required, and the contrived nature of functional analyses conducted in analogue settings. The current study expanded on previous research by assessing the function of challenging behaviors for 3 early childhood education students with autism spectrum disorder through trial-based functional analyses within an educational setting...
December 2016: School Psychology Quarterly
https://www.readbyqxmd.com/read/27929320/peer-facilitated-discrete-trial-training-for-children-with-autism-spectrum-disorder
#10
K Richard Young, Keith C Radley, William R Jenson, Richard P West, Susan K Clare
In 2 studies, we evaluated the feasibility and efficacy of peer-mediated, school-based discrete trial training (DTT) for students with autism spectrum disorder (ASD). In the first, 6 typically developing elementary-age students were trained to use DTT procedures to teach target academic skills to 3 students with ASD who had been educated in a self-contained setting. A multiple probe-across-tutors design was applied to evaluate the accuracy with which the tutors implemented the DTT protocol. Results of the study indicated that training was effective in increasing the integrity of implementation of the DTT protocol...
December 2016: School Psychology Quarterly
https://www.readbyqxmd.com/read/27928767/resident-workflow-and-psychiatric-emergency-consultation-identifying-factors-for-quality-improvement-in-a-training-environment
#11
Thomas Blair, Zev Wiener, Ariel Seroussi, Lingqi Tang, Jennifer O'Hora, Erick Cheung
OBJECTIVE: Quality improvement to optimize workflow has the potential to mitigate resident burnout and enhance patient care. This study applied mixed methods to identify factors that enhance or impede workflow for residents performing emergency psychiatric consultations. METHODS: The study population consisted of all psychiatry program residents (55 eligible, 42 participating) at the Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles...
December 7, 2016: Academic Psychiatry
https://www.readbyqxmd.com/read/27928532/collagen-extracted-from-persian-gulf-squid-exhibits-anti-cytotoxic-properties-on-apple-pectic-treated-cells-assessment-in-an-in-vitro-bioassay-model
#12
Ladan Delphi, Houri Sepehri, Elaheh Motevaseli, Mohammad Reza Khorramizadeh
BACKGROUND: Collagen-based three-dimensional (3D) in vitro systems have been introduced to study the physiological states of cells. As a biomolecule, collagen is usually extracted from terrestrial animals whilst aquatic animals like squid contain large amounts of collagen. METHODS: In order to make effective use of marine organisms, we selected Persian Gulf squid in 2015 to extract the required collagen. Then, a 3D culture system based on the extracted collagen was applied to investigate cellular mechanisms in a native microenvironment...
August 2016: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/27928492/trigonal-antiprismatic-co-ii-single-molecule-magnets-with-large-uniaxial-anisotropies-importance-of-raman-and-tunneling-mechanisms
#13
Yuan-Zhu Zhang, Silvia Gómez-Coca, Andrew J Brown, Mohamed R Saber, Xuan Zhang, Kim R Dunbar
The air-stable mononuclear Co(ii) compounds [Co(II)(Tpm)2][ClO4]2 (1, Tpm = tris(pyrazol-1-yl)methane), [Co(II)(Tpm)2][BPh4]2·2MeCN (2) with trigonal antiprismatic geometry (trigonally elongated octahedral geometry) are reported. Magnetic and theoretical studies reveal that the complexes exhibit single-molecule magnet behavior with uniaxial anisotropy and a huge energy difference between ground and first excited Karmers' doublets (∼200 cm(-1)). Under applied DC fields, compounds 1 and 2 exhibit frequency and temperature dependence of the imaginary susceptibility...
October 19, 2016: Chemical Science
https://www.readbyqxmd.com/read/27927886/biostability-of-the-proanthocyanidins-dentin-complex-and-adhesion-studies
#14
A A Leme-Kraus, B Aydin, C M P Vidal, R M Phansalkar, J W Nam, J McAlpine, G F Pauli, S Chen, A K Bedran-Russo
Oligomeric proanthocyanidins (OPACs) are potent and renewable natural bioactives possible to be refined into chemically standardized mixtures for biological applications. Herein, we found that multiscale interactions of OPACs with the dentin matrix create tight biointerfaces with hydrophobic methacrylate adhesives on wet surfaces. An enriched mixture of OPACs, with a known phytochemical profile, was produced from grape seed crude extract (Vitis vinifera; enriched grape seed extract [e-GSE]) and applied to dentin matrices to determine changes to the mechanical properties and biodegradability of the dentin matrix and favorable resin adhesion mechanisms...
December 7, 2016: Journal of Dental Research
https://www.readbyqxmd.com/read/27927786/revealing-unobserved-factors-underlying-cortical-activity-using-a-rectified-latent-variable-model-applied-to-neural-population-recordings
#15
Matthew R Whiteway, Daniel A Butts
The activity of sensory cortical neurons is not only driven by external stimuli, but is also shaped by other sources of input to the cortex. Unlike external stimuli these other sources of input are challenging to experimentally control or even observe, and as a result contribute to variability of neuronal responses to sensory stimuli. However, such sources of input are likely not "noise", and may play an integral role in sensory cortex function. Here, we introduce the rectified latent variable model (RLVM) in order to identify these sources of input using simultaneously recorded cortical neuron populations...
December 7, 2016: Journal of Neurophysiology
https://www.readbyqxmd.com/read/27927208/use-of-a-sec-signal-peptide-library-from-bacillus-subtilis-for-the-optimization-of-cutinase-secretion-in-corynebacterium-glutamicum
#16
Johannes Hemmerich, Peter Rohe, Britta Kleine, Sarah Jurischka, Wolfgang Wiechert, Roland Freudl, Marco Oldiges
BACKGROUND: Technical bulk enzymes represent a huge market, and the extracellular production of such enzymes is favorable due to lowered cost for product recovery. Protein secretion can be achieved via general secretion (Sec) pathway. Specific sequences, signal peptides (SPs), are necessary to direct the target protein into the translocation machinery. For example, >150 Sec-specific SPs have been identified for Bacillus subtilis alone. As the best SP for a target protein of choice cannot be predicted a priori, screening of homologous SPs has been shown to be a powerful tool for different expression organisms...
December 7, 2016: Microbial Cell Factories
https://www.readbyqxmd.com/read/27926453/quantifying-motivation-with-effort-based-decision-making-paradigms-in-health-and-disease
#17
T T-J Chong, V Bonnelle, M Husain
Motivation can be characterized as a series of cost-benefit valuations, in which we weigh the amount of effort we are willing to expend (the cost of an action) in return for particular rewards (its benefits). Human motivation has traditionally been measured with self-report and questionnaire-based tools, but an inherent limitation of these methods is that they are unable to provide a mechanistic explanation of the processes underlying motivated behavior. A major goal of current research is to quantify motivation objectively with effort-based decision-making paradigms, by drawing on a rich literature from nonhuman animals...
2016: Progress in Brain Research
https://www.readbyqxmd.com/read/27926443/applied-economics-the-use-of-monetary-incentives-to-modulate-behavior
#18
S Strang, S Q Park, T Strombach, P Kenning
According to standard economic theory higher monetary incentives will lead to higher performance and higher effort independent of task, context, or individual. In many contexts this standard economic advice is implemented. Monetary incentives are, for example, used to enhance performance at workplace or to increase health-related behavior. However, the fundamental positive impact of monetary incentives has been questioned by psychologists as well as behavioral economists during the last decade, arguing that monetary incentives can sometimes even backfire...
2016: Progress in Brain Research
https://www.readbyqxmd.com/read/27926438/exploring-individual-differences-in-task-switching-persistence-and-other-personality-traits-related-to-anterior-cingulate-cortex-function
#19
A Umemoto, C B Holroyd
Anterior cingulate cortex (ACC) is involved in cognitive control and decision-making but its precise function is still highly debated. Based on evidence from lesion, neurophysiological, and neuroimaging studies, we have recently proposed a critical role for ACC in motivating extended behaviors according to learned task values (Holroyd and Yeung, 2012). Computational simulations based on this theory suggest a hierarchical mechanism in which a caudal division of ACC selects and applies control over task execution, and a rostral division of ACC facilitates switches between tasks according to a higher task strategy (Holroyd and McClure, 2015)...
2016: Progress in Brain Research
https://www.readbyqxmd.com/read/27925489/give-me-a-like-how-hiv-aids-nonprofit-organizations-can-engage-their-audience-on-facebook
#20
Yu-Chao Huang, Yi-Pin Lin, Gregory D Saxton
With the rapid proliferation and adoption of social media among healthcare professionals and organizations, social media-based HIV/AIDS intervention programs have become increasingly popular. However, the question of the effectiveness of the HIV/AIDS messages disseminated on social media has received scant attention in the literature. The current study applies content analysis to examine the relationship between Facebook messaging strategies employed by 110 HIV/AIDS nonprofit organizations and audience reactions in the form of liking, commenting, and sharing behavior...
December 2016: AIDS Education and Prevention: Official Publication of the International Society for AIDS Education
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