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https://www.readbyqxmd.com/read/29150296/structural-mri-based-measures-of-neuroplasticity-in-an-extended-amygdala-network-as-a-target-for-attention-bias-modification-treatment-outcome
#1
Jacob Aday, Joshua M Carlson
Increased attentional bias to threat has been identified as a causal mechanism in the development of anxiety. As such, attention bias modification (ABM) was conceived as a treatment option where anxiety is alleviated through a computerized cognitive training regimen that reduces an individual's attentional bias to threat. Although ABM appears to be a promising treatment option for anxiety, the mechanism of action by which the treatment is effective is unknown. We hypothesize that effective ABM treatment is associated with neuroplasticity-related structural changes in an extended amygdala - prefrontal cortex network that can be detected with standard T1-weighted magnetic resonance imaging (MRI)...
November 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/29148087/an-agent-based-model-of-evolving-community-flood-risk
#2
Gina L Tonn, Seth D Guikema
Although individual behavior plays a major role in community flood risk, traditional flood risk models generally do not capture information on how community policies and individual decisions impact the evolution of flood risk over time. The purpose of this study is to improve the understanding of the temporal aspects of flood risk through a combined analysis of the behavioral, engineering, and physical hazard aspects of flood risk. Additionally, the study aims to develop a new modeling approach for integrating behavior, policy, flood hazards, and engineering interventions...
November 17, 2017: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/29122206/the-evolution-of-accelerated-long-term-forgetting-evidence-from-the-time-study
#3
Sharon Savage, Serge Hoefeijzers, Fraser Milton, Claire Streatfield, Michaela Dewar, Adam Zeman
OBJECTIVE: Accelerated long-term forgetting (ALF) occurs when newly learned information decays faster than normal over extended delays. It has been recognised most frequently in temporal lobe epilepsy, including Transient Epileptic Amnesia (TEA), but can also be drug-induced. Little is known about the evolution of ALF over time and its impacts upon other memory functions, such as autobiographical memory (ABM). Here we investigate the long-term outcome of ALF and ABM in a group of patients with TEA and a single case of baclofen-induced ALF...
October 6, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29078771/a-spatial-agent-based-model-of-anopheles-vagus-for-malaria-epidemiology-examining-the-impact-of-vector-control-interventions
#4
Md Zahangir Alam, S M Niaz Arifin, Hasan Mohammad Al-Amin, Mohammad Shafiul Alam, M Sohel Rahman
BACKGROUND: Malaria, being a mosquito-borne infectious disease, is still one of the most devastating global health issues. The malaria vector Anopheles vagus is widely distributed in Asia and a dominant vector in Bandarban, Bangladesh. However, despite its wide distribution, no agent based model (ABM) of An. vagus has yet been developed. Additionally, its response to combined vector control interventions has not been examined. METHODS: A spatial ABM, denoted as ABM[Formula: see text], was designed and implemented based on the biological attributes of An...
October 27, 2017: Malaria Journal
https://www.readbyqxmd.com/read/29077720/goal-directed-therapy-for-suspected-acute-bacterial-meningitis-in-adults-and-adolescents-in-sub-saharan-africa
#5
Emma C Wall, Mavuto Mukaka, Brigitte Denis, Veronica S Mlozowa, Malango Msukwa, Khumbo Kasambala, Mulinda Nyrienda, Theresa J Allain, Brian Faragher, Robert S Heyderman, David G Lalloo
BACKGROUND: Mortality from acute bacterial meningitis (ABM) in sub-Saharan African adults and adolescents exceeds 50%. We tested if Goal Directed Therapy (GDT) was feasible for adults and adolescents with clinically suspected ABM in Malawi. MATERIALS AND METHODS: Sequential patient cohorts of adults and adolescents with clinically suspected ABM were recruited in the emergency department of a teaching hospital in Malawi using a before/after design. Routine care was monitored in year one (P1)...
2017: PloS One
https://www.readbyqxmd.com/read/29076030/the-absolute-volume-of-pet-defined-active-bone-marrow-spared-predicts-for-high-grade-hematologic-toxicity-in-cervical-cancer-patients-undergoing-chemoradiation
#6
Y M Zhou, C Freese, T Meier, D Go, K Khullar, M Sudhoff, M Lamba, J Kharofa
INTRODUCTION: Hematologic toxicity (HT) in cervical cancer patients can cause treatment delays and reduction in chemotherapy, especially in high risk patients. Dose to PET-defined regions of active bone marrow (ABM) has been shown to correlate with cytopenias. An absolute volume of ABM spared may accurately represent hematopoietic reserve and risk of HT. This analysis evaluates whether the volume of ABM spared can more accurately predict HT compared to conventional dosimetric parameters...
October 26, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/29058449/response-to-ward-et-al-re-abm-clinical-protocol-3-supplementary-feedings-in-the-healthy-term-breastfed-neonate-revised-2017
#7
Ann L Kellams, Cadey Harrel, Stephanie Omage, Carrie Gregory, Casey Rosen-Carole, Lawrence Noble
No abstract text is available yet for this article.
November 2017: Breastfeeding Medicine: the Official Journal of the Academy of Breastfeeding Medicine
https://www.readbyqxmd.com/read/29057160/a-general-agent-based-model-of-social-learning
#8
Sarah A Nowak, Luke Joseph Matthews, Andrew M Parker
When engaging in behaviors that may entail risks or outcomes that are unknown or uncertain, individuals often look beyond their own experiences (including past behaviors and subsequent outcomes) to consider the experiences of others in their immediate social networks. This social influence at the micro-scale (i.e., the way in which individuals are influenced by their immediate social networks) can affect change in the greater social web in such a way that social networks may have profound effects on decisionmaking at the population level...
January 2017: Rand Health Quarterly
https://www.readbyqxmd.com/read/29052656/initial-efficacy-testing-of-an-autobiographical-memory-intervention-on-advance-care-planning-for-patients-with-terminal-cancer
#9
Cheryl Brohard
PURPOSE/OBJECTIVES: To test the efficacy of a novel intervention to facilitate advance care planning.
. DESIGN: Exploratory, quasiexperimental pilot study with two independent groups.
. SETTING: A large hospice located in the southwestern United States. 
. SAMPLE: A convenience sample of 50 participants with terminal cancer enrolled in hospice.
. METHODS: An autobiographical memory (ABM) intervention used the participants' experiences with cancer and end of life for the purpose of directing advance care planning...
November 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/29050830/intelligent-simulation-of-aquatic-environment-economic-policy-coupled-abm-and-sd-models
#10
Huihui Wang, Jiarui Zhang, Weihua Zeng
Rapid urbanization and population growth have resulted in serious water shortage and pollution of the aquatic environment, which are important reasons for the complex increase in environmental deterioration in the region. This study examines the environmental consequences and economic impacts of water resource shortages under variant economic policies; however, this requires complex models that jointly consider variant agents and sectors within a systems perspective. Thus, we propose a complex system model that couples multi-agent based models (ABM) and system dynamics (SD) models to simulate the impact of alternative economic policies on water use and pricing...
October 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29022618/enhancing-the-resolution-of-1-h-and-13-c-solid-state-nmr-spectra-by-reduction-of-anisotropic-bulk-magnetic-susceptibility-broadening
#11
Michael P Hanrahan, Amrit Venkatesh, Scott L Carnahan, Julie L Calahan, Joseph W Lubach, Eric J Munson, Aaron J Rossini
We demonstrate that natural isotopic abundance 2D heteronuclear correlation (HETCOR) solid-state NMR spectra can be used to significantly reduce or eliminate the broadening of (1)H and (13)C solid-state NMR spectra of organic solids due to anisotropic bulk magnetic susceptibility (ABMS). ABMS often manifests in solids with aromatic groups, such as active pharmaceutical ingredients (APIs), and inhomogeneously broadens the NMR peaks of all nuclei in the sample. Inhomogeneous peaks with full widths at half maximum (FWHM) of ∼1 ppm typically result from ABMS broadening and the low spectral resolution impedes the analysis of solid-state NMR spectra...
October 25, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29020334/lumbar-puncture-performed-promptly-or-after-neuroimaging-in-adult-bacterial-meningitis-a-prospective-national-cohort-study-evaluating-different-guidelines
#12
Martin Glimåker, Jan Sjölin, Styrbjörn Åkesson, Pontus Naucler
Background: Early treatment is pivotal for favourable outcome in acute bacterial meningitis (ABM). Lumbar puncture (LP) is the diagnostic key. The aim was to evaluate the effect on outcome of adherence to European Society of Clinical Microbiology and Infectious Diseases (ESCMID), Infectious Diseases Society of America (IDSA), and Swedish guidelines regarding neuroimaging before LP. Methods: The cohort comprised 815 adult ABM patients in Sweden registered prospectively between 2008-2015...
September 9, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29020024/an-application-of-the-continuous-opinions-and-discrete-actions-coda-model-to-adolescent-smoking-initiation
#13
Ruoyan Sun, David Mendez
We investigated the impact of peers' opinions on the smoking initiation process among adolescents. We applied the Continuous Opinions and Discrete Actions (CODA) model to study how social interactions change adolescents' opinions and behaviors about smoking. Through agent-based modeling (ABM), we simulated a population of 2500 adolescents and compared smoking prevalence to data from 9 cohorts of adolescents in the National Survey on Drug Use and Health (NSDUH) from year 2001 till 2014. Our model adjusts well for NSDUH data according to pseudo R2 values, which are at least 96%...
2017: PloS One
https://www.readbyqxmd.com/read/28992377/a-single-session-of-attentional-bias-modification-reduces-alcohol-craving-and-implicit-measures-of-alcohol-bias-in-young-adult-drinkers
#14
Peter Luehring-Jones, Courtney Louis, Tracy A Dennis-Tiwary, Joel Erblich
BACKGROUND: Attentional bias modification (ABM) techniques for reducing problematic alcohol consumption hold promise as highly-accessible and cost-effective treatment approaches. A growing body of literature has examined ABM as a potentially efficacious intervention for reducing drinking and drinking-related cognitions in alcohol-dependent individuals as well as those at-risk of developing problem drinking habits. METHODS: The present study tested the effectiveness of a single session of visual probe-based ABM training in a cohort of 60 non-treatment-seeking young adult drinkers, with a focus on examining mechanisms underlying training efficacy...
October 9, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28987339/assessing-the-role-of-access-and-price-on-the-consumption-of-fruits-and-vegetables-across-new-york-city-using-agent-based-modeling
#15
Yan Li, Donglan Zhang, Janani R Thapa, Kumbirai Madondo, Stella Yi, Elisa Fisher, Kerry Griffin, Bian Liu, Youfa Wang, José A Pagán
Most residents in New York City (NYC) do not consume sufficient fruits and vegetables every day. Difficulties with access and high prices of fruits and vegetables in some neighborhoods contribute to different consumption patterns across NYC neighborhoods. We developed an agent-based model (ABM) to predict dietary behaviors of individuals at the borough and neighborhood levels. Model parameters were estimated from the 2014 NYC Community Health Survey, United States Census data, and the literature. We simulated six hypothetical interventions designed to improve access and reduce the price of fruits and vegetables...
October 5, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28968342/attention-bias-modification-training-for-adolescents-with-chronic-pain-a-randomized-placebocontrolled-trial
#16
Lauren C Heathcote, Konrad Jacobs, Dimitri M L Van Ryckeghem, Emma Fisher, Christopher Eccleston, Elaine Fox, Jennifer Y F Lau
Attention bias for pain-related information is theorised to maintain chronic pain, indicating that changing this bias could improve pain-related outcomes. Modifying attention biases in adolescents, when chronic pain often first emerges, may be particularly beneficial. We report here a randomized, placebo-controlled, parallel-group trial of Attention Bias Modification (ABM) training in adolescents with chronic non-cancer pain. Adolescent patients (N=66) were randomly assigned to complete multiple sessions of dot-probe ABM training (N=23), placebo training (N=22), or no training (waitlist; N=21) across a period of four weeks...
September 29, 2017: Pain
https://www.readbyqxmd.com/read/28923275/in-vivo-magnetic-resonance-images-reveal-neuroanatomical-sex-differences-through-the-application-of-voxel-based-morphometry-in-c57bl-6-mice
#17
Cassandra E Meyer, Florian Kurth, Stefano Lepore, Josephine L Gao, Hadley Johnsonbaugh, Mandavi R Oberoi, Stephen J Sawiak, Allan MacKenzie-Graham
Behaviorally relevant sex differences are often associated with structural differences in the brain and many diseases are sexually dimorphic in prevalence and progression. Characterizing sex differences is imperative to gaining a complete understanding of behavior and disease which will, in turn, allow for a balanced approach to scientific research and the development of therapies. In this study, we generated novel tissue probability maps (TPMs) based on 30 male and 30 female in vivo C57BL/6 mouse brain magnetic resonance images and used voxel-based morphometry (VBM) to analyze sex differences...
September 15, 2017: NeuroImage
https://www.readbyqxmd.com/read/28892270/biomimetic-artificial-basilar-membranes-for-next-generation-cochlear-implants
#18
REVIEW
Jongmoon Jang, Jeong Hun Jang, Hongsoo Choi
Patients with sensorineural hearing loss can recover their hearing using a cochlear implant (CI). However, there is a need to develop next-generation CIs to overcome the limitations of conventional CIs caused by extracorporeal devices. Recently, artificial basilar membranes (ABMs) are actively studied for next-generation CIs. The ABM is an acoustic transducer that mimics the mechanical frequency selectivity of the BM and acoustic-to-electrical energy conversion of hair cells. This paper presents recent progress in biomimetic ABMs...
September 11, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28882830/autobiographical-memory-a-candidate-latent-vulnerability-mechanism-for-psychiatric-disorder-following-childhood-maltreatment
#19
Eamon J McCrory, Vanessa B Puetz, Eleanor A Maguire, Andrea Mechelli, Amy Palmer, Mattia I Gerin, Philip A Kelly, Iakovina Koutoufa, Essi Viding
BackgroundAltered autobiographical memory (ABM) functioning has been implicated in the pathogenesis of depression and post-traumatic stress disorder and may represent one mechanism by which childhood maltreatment elevates psychiatric risk.AimsTo investigate the impact of childhood maltreatment on ABM functioning.MethodThirty-four children with documented maltreatment and 33 matched controls recalled specific ABMs in response to emotionally valenced cue words during functional magnetic resonance imaging.ResultsChildren with maltreatment experience showed reduced hippocampal and increased middle temporal and parahippocampal activation during positive ABM recall compared with peers...
October 2017: British Journal of Psychiatry: the Journal of Mental Science
https://www.readbyqxmd.com/read/28870154/projecting-prevalence-costs-and-evaluating-simulated-interventions-for-diabetic-end-stage-renal-disease-in-a-canadian-population-of-aboriginal-and-non-aboriginal-people-an-agent-based-approach
#20
Amy Gao, Nathaniel D Osgood, Ying Jiang, Roland F Dyck
BACKGROUND: Diabetes-related end stage renal disease (DM-ESRD) is a devastating consequence of the type 2 diabetes epidemic, both of which disproportionately affect Indigenous peoples. Projecting case numbers and costs into future decades would help to predict resource requirements, and simulating hypothetical interventions could guide the choice of best practices to mitigate current trends. METHODS: An agent based model (ABM) was built to forecast First Nations and non-First Nations cases of DM-ESRD in Saskatchewan from 1980 to 2025 and to simulate two hypothetical interventions...
September 4, 2017: BMC Nephrology
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