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https://www.readbyqxmd.com/read/28544947/measuring-cortical-motor-hemodynamics-during-assisted-stepping-an-fnirs-feasibility-study-of-using-a-walker
#1
Andrea Cristina de Lima-Pardini, Guilherme A Zimeo Morais, Joana Bisol Balardin, Daniel Boari Coelho, Nametala Maia Azzi, Luis Augusto Teixeira, João Ricardo Sato
Walkers are commonly prescribed worldwide to individuals unable to walk independently. Walker usage leads to improved postural control and voluntary movement during step. In the present study, we aimed to provide a concept-proof on the feasibility of an event-related protocol integrating the analyses of biomechanical variables of step initiation and functional near-infrared spectroscopy (fNIRS) to measure activation of the supplementary motor area (SMA) while using a walker. Healthy young participants were tested while stepping with versus without the use of the walker...
May 17, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28544863/how-social-status-shapes-person-perception-and-evaluation-a-social-neuroscience-perspective
#2
Bradley D Mattan, Jennifer T Kubota, Jasmin Cloutier
Inferring the relative rank (i.e., status) of others is essential to navigating social hierarchies. A survey of the expanding social psychological and neuroscience literatures on status reveals a diversity of focuses (e.g., perceiver vs. agent), operationalizations (e.g., status as dominance vs. wealth), and methodologies (e.g., behavioral, neuroscientific). Accommodating this burgeoning literature on status in person perception, the present review offers a novel social neuroscientific framework that integrates existing work with theoretical clarity...
May 2017: Perspectives on Psychological Science: a Journal of the Association for Psychological Science
https://www.readbyqxmd.com/read/28544613/qtl-and-systems-genetics-analysis-of-mouse-grooming-and-behavioral-responses-to-novelty-in-an-open-field
#3
Anna Delprato, Marie-Paule Algéo, Brice Bonheur, Jason A Bubier, Lu Lu, Robert W Williams, Elissa J Chesler, Wim E Crusio
The open field is a classic test used to assess exploratory behavior, anxiety, and locomotor activity in rodents. Here we mapped quantitative trait loci (QTLs) underlying behaviors displayed in an open field, using a panel of 53 BXD recombinant inbred mouse strains with deep replication (10 per strain and sex). The use of these strains permits the integration and comparison of data obtained in different laboratories, and also offers the possibility to study trait covariance by exploiting powerful bioinformatics tools and resources...
May 24, 2017: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/28544514/dynamic-enhancer-function-in-the-chromatin-context
#4
REVIEW
Ido Goldstein, Gordon L Hager
Enhancers serve as critical regulatory elements in higher eukaryotic cells. The characterization of enhancer function has evolved primarily from genome-wide methodologies, including chromatin immunoprecipitation (ChIP-seq), DNase-I hypersensitivity (DNase-seq), digital genomic footprinting (DGF), and the chromosome conformation capture techniques (3C, 4C, and Hi-C). These population-based assays average signals across millions of cells and lead to enhancer models characterized by static and sequential binding...
May 22, 2017: Wiley Interdisciplinary Reviews. Systems Biology and Medicine
https://www.readbyqxmd.com/read/28543958/latent-structure-of-negative-valence-measures-in-childhood
#5
Minyoung Lee, Steven H Aggen, Dever M Carney, Shannon Hahn, Elizabeth Moroney, Laura Machlin, Melissa A Brotman, Kenneth E Towbin, Ellen Leibenluft, Daniel S Pine, Roxann Roberson-Nay, John M Hettema
BACKGROUND: Internalizing disorders (IDs), consisting of the syndromes of anxiety and depression, are common, debilitating conditions often having onsets in adolescence. Scientists have developed dimensional self-report instruments that assess putative negative valence system (NVS) trait-like constructs as complimentary phenotypes to clinical symptoms. These include various measures that index temperamental predispositions to IDs and correlate with neural substrates of fear, anxiety, and affective regulation...
May 22, 2017: Depression and Anxiety
https://www.readbyqxmd.com/read/28543739/sound-at-the-zoo-using-animal-monitoring-sound-measurement-and-noise-reduction-in-zoo-animal-management
#6
David A Orban, Joseph Soltis, Lori Perkins, Jill D Mellen
A clear need for evidence-based animal management in zoos and aquariums has been expressed by industry leaders. Here, we show how individual animal welfare monitoring can be combined with measurement of environmental conditions to inform science-based animal management decisions. Over the last several years, Disney's Animal Kingdom® has been undergoing significant construction and exhibit renovation, warranting institution-wide animal welfare monitoring. Animal care and science staff developed a model that tracked animal keepers' daily assessments of an animal's physical health, behavior, and responses to husbandry activity; these data were matched to different external stimuli and environmental conditions, including sound levels...
May 23, 2017: Zoo Biology
https://www.readbyqxmd.com/read/28542797/application-of-geographic-information-systems-to-investigating-associations-between-social-status-and-burial-location-in-medieval-trino-vercellese-piedmont-italy
#7
Marissa C Stewart, Giuseppe Vercellotti
OBJECTIVES: Socioeconomic status differences in skeletal populations are often inferred from skeletal indicators of stress and burial location. However, to date, the association between osteometric parameters and spatial location in relation to socioeconomic status in medieval Italy has not been explicitly tested. MATERIALS AND METHODS: This study examined the spatial distribution of osteometric data in the medieval (8th-13th c.) cemetery of San Michele di Trino (Trino Vercellese, VC, Italy) to determine whether skeletal correlates of socioeconomic status correspond with privileged burial locations...
May 24, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28542547/determination-of-diagnostic-standards-on-saturated-soil-extracts-for-cut-roses-grown-in-greenhouses
#8
John Jairo Franco-Hermida, María Fernanda Quintero, Raúl Iskander Cabrera, José Miguel Guzman
This work comprises the theoretical determination and validation of diagnostic standards for the analysis of saturated soil extracts for cut rose flower crops (Rosa spp.) growing in the Bogota Plateau, Colombia. The data included 684 plant tissue analyses and 684 corresponding analyses of saturated soil extracts, all collected between January 2009 and June 2013. The tissue and soil samples were selected from 13 rose farms, and from cultivars grafted on the 'Natal Briar' rootstock. These concurrent samples of soil and plant tissues represented 251 production units (locations) of approximately 10,000 m2 distributed across the study area...
2017: PloS One
https://www.readbyqxmd.com/read/28542193/an-agent-based-model-of-leukocyte-transendothelial-migration-during-atherogenesis
#9
Rita Bhui, Heather N Hayenga
A vast amount of work has been dedicated to the effects of hemodynamics and cytokines on leukocyte adhesion and trans-endothelial migration (TEM) and subsequent accumulation of leukocyte-derived foam cells in the artery wall. However, a comprehensive mechanobiological model to capture these spatiotemporal events and predict the growth and remodeling of an atherosclerotic artery is still lacking. Here, we present a multiscale model of leukocyte TEM and plaque evolution in the left anterior descending (LAD) coronary artery...
May 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28541479/determinants-of-patient-loyalty-to-healthcare-providers-an-integrative-review
#10
Wei-Jiao Zhou, Qiao-Qin Wan, Cong-Ying Liu, Xiao-Lin Feng, Shao-Mei Shang
Purpose: Patient loyalty is key to business success for healthcare providers and also for patient health outcomes. This study aims to identify determinants influencing patient loyalty to healthcare providers and propose an integrative conceptual model of the influencing factors. Data sources: PubMed, CINAHL, OVID, ProQuest and Elsevier Science Direct databases were searched. Study selection: Publications about determinants of patient loyalty to health providers were screened, and 13 articles were included...
May 24, 2017: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/28541383/the-technology-crisis-in-neuropsychology
#11
Justin B Miller, William B Barr
Neuropsychology has fallen reliant on outdated and labor intensive methods of data collection that are slow, highly inefficient, and expensive, and provide relatively data-poor estimates of human behavior despite rapid technological advance in most other fields of medicine. Here we present a brief historical overview of current testing practices in an effort to frame the current crisis, followed by an overview of different settings in which technology can and should be integrated. Potential benefits of laboratory based assessments, remote assessments, as well as passive and high-frequency data collection tools rooted in technology are discussed, along with several relevant examples and how these technologies might be deployed...
May 24, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28541088/-when-risk-communication-backfires-randomized-controlled-trial-on-self-affirmation-and-reactance-to-personalized-risk-feedback-in-high-risk-individuals-correction-to-sch%C3%A3-z-sch%C3%A3-z-and-eid-2013
#12
(no author information available yet)
Reports an error in "When risk communication backfires: Randomized controlled trial on self-affirmation and reactance to personalized risk feedback in high-risk individuals" by Natalie Schüz, Benjamin Schüz and Michael Eid (Health Psychology, 2013[May], Vol 32[5], 561-570). Several errors appear in the data in the Results section. The corrected information is provided. It is noted that, in all cases, the statistical conclusions remain the same. (The following abstract of the original article appeared in record 2013-14977-010...
June 2017: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
https://www.readbyqxmd.com/read/28541068/cognitive-behavioral-therapy-for-body-image-and-self-care-cbt-bisc-in-sexual-minority-men-living-with-hiv-a-randomized-controlled-trial
#13
Aaron J Blashill, Steven A Safren, Sabine Wilhelm, Jonathan Jampel, S Wade Taylor, Conall O'Cleirigh, Kenneth H Mayer
OBJECTIVE: Body image disturbance is a distressing and interfering problem among many sexual minority men living with HIV, and is associated with elevated depressive symptoms and poor HIV self-care (e.g., antiretroviral therapy [ART] nonadherence). The current study tested the preliminary efficacy of a newly created intervention: cognitive-behavioral therapy for body image and self-care (CBT-BISC) for this population. METHOD: The current study entailed a 2-arm randomized controlled trial (N = 44) comparing CBT-BISC to an enhanced treatment as usual (ETAU) condition...
May 25, 2017: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
https://www.readbyqxmd.com/read/28540647/the-integration-of-social-influence-and-reward-computational-approaches-and-neural-evidence
#14
Damon Tomlin, Andrea Nedic, Deborah A Prentice, Philip Holmes, Jonathan D Cohen
Decades of research have established that decision-making is dramatically impacted by both the rewards an individual receives and the behavior of others. How do these distinct influences exert their influence on an individual's actions, and can the resulting behavior be effectively captured in a computational model? To address this question, we employed a novel spatial foraging game in which groups of three participants sought to find the most rewarding location in an unfamiliar two-dimensional space. As the game transitioned from one block to the next, the availability of information regarding other group members was varied systematically, revealing the relative impacts of feedback from the environment and information from other group members on individual decision-making...
May 24, 2017: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/28540373/in-vitro-cellular-behaviors-and-toxicity-assays-of-small-sized-fluorescent-silicon-nanoparticles
#15
Zhaohui Cao, Fei Peng, Zhilin Hu, Binbin Chu, Yiling Zhong, Yuanyuan Su, Sudan He, Yao He
Extensive investigations have been carried out for evaluating the toxicology of various nanomaterials (e.g., carbon- and metal-based nanomaterials), which offer invaluable information for assessing the feasibility of nanomaterial-based wide-ranging applications. In recent years, sufficient efforts have been made to develop fluorescent small-sized silicon nanoparticles (SiNPs) as a novel optical material simultaneously featuring strong fluorescence and ultrahigh photostability, providing high promise for a myriad of biological, biomedical and electronic applications...
May 25, 2017: Nanoscale
https://www.readbyqxmd.com/read/28539422/galanin-expressing-gaba-neurons-in-the-lateral-hypothalamus-modulate-food-reward-and-non-compulsive-locomotion
#16
Emily Qualls-Creekmore, Sangho Yu, Marie Francois, John Hoang, Clara Huesing, Annadora Bruce-Keller, David Burk, Hans-Rudolf Berthoud, Christopher D Morrison, Heike Münzberg
The lateral hypothalamus (LHA) integrates reward and appetitive behavior and is composed of many overlapping neuronal populations. Recent studies associated LHA GABAergic neurons (LHA (GABA) ), that densely innervate the ventral tegmental area (VTA), with modulation of food reward and consumption; yet, LHA (GABA) >VTA projections exclusively modulated food consumption, not reward. We identified a subpopulation of LHA (GABA) neurons that co-express the neuropeptide galanin (LHA (Gal) ). These LHA (Gal) neurons also modulate food reward, but lack direct VTA innervation...
May 24, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28539420/a-selective-role-for-dopamine-in-learning-to-maximize-reward-but-not-to-minimize-effort-evidence-from-patients-with-parkinson-s-disease
#17
Vasilisa Skvortsova, Bertrand Degos, Marie-Laure Welter, Marie Vidailhet, Mathias Pessiglione
Instrumental learning is a fundamental process through which agents optimize their choices, taking into account various dimensions of available options, such as the possible reward or punishment outcomes, and the costs associated with potential actions. While the implication of dopamine in learning from choice outcomes is well established, less is known about its role in learning the action costs such as effort. Here, we tested the ability of patients with Parkinson's disease (PD) to maximize monetary rewards and minimize physical efforts in a probabilistic instrumental learning task...
May 24, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28537555/identification-of-a-novel-spinal-nociceptive-motor-gate-control-for-a%C3%AE-pain-stimuli-in-rats
#18
Dvir Blivis, Gal Haspel, Philip Z Mannes, Michael James O'Donovan, Michael J Iadarola
Physiological responses to nociceptive stimuli are initiated within tens of milliseconds, but the corresponding sub-second behavioral responses have not been adequately explored in awake, unrestrained animals. A detailed understanding of these responses is crucial for progress in pain neurobiology. Here, high-speed videography during nociceptive Aδ fiber stimulation demonstrated engagement of a multi-segmental motor program coincident with, or even preceding, withdrawal of the stimulated paw. The motor program included early head orientation and adjustments of the torso and un-stimulated paws...
May 24, 2017: ELife
https://www.readbyqxmd.com/read/28536989/development-and-evaluation-of-an-online-mental-health-program-for-medical-students
#19
Emily G Lattie, Jennifer L Duffecy, David C Mohr, Kathleen Kashima
OBJECTIVE: Medical school presents a time of psychological distress for many students, who are less likely than the general population to seek mental health treatment due to multiple treatment barriers. Internet-based cognitive behavioral therapy (iCBT) programs may be an acceptable option for medical students. This study aims to assess acceptability and usability of ThinkFeelDo, an iCBT program, and to examine the impact of the program on perceived stress, quality of life, and the development of cognitive and behavioral coping skills...
May 23, 2017: Academic Psychiatry
https://www.readbyqxmd.com/read/28536537/-gestaltomics-systems-biology-schemes-for-the-study-of-neuropsychiatric-diseases
#20
REVIEW
Nora A Gutierrez Najera, Osbaldo Resendis-Antonio, Humberto Nicolini
The integration of different sources of biological information about what defines a behavioral phenotype is difficult to unify in an entity that reflects the arithmetic sum of its individual parts. In this sense, the challenge of Systems Biology for understanding the "psychiatric phenotype" is to provide an improved vision of the shape of the phenotype as it is visualized by "Gestalt" psychology, whose fundamental axiom is that the observed phenotype (behavior or mental disorder) will be the result of the integrative composition of every part...
2017: Frontiers in Physiology
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