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https://www.readbyqxmd.com/read/29353213/multiple-cortical-thickness-sub-networks-and-cognitive-impairments-in-first-episode-drug-na%C3%A3-ve-patients-with-late-life-depression-a-graph-theory-analysis
#1
Jeong-Hyeon Shin, Yu Hyun Um, Chang Uk Lee, Hyun Kook Lim, Joon-Kyung Seong
BACKGROUND: Coordinated and pattern-wise changes in large scale gray matter structural networks reflect neural circuitry dysfunction in late life depression (LLD), which in turn is associated with emotional dysregulation and cognitive impairments. However, due to methodological limitations, there have been few attempts made to identify individual-level structural network properties or sub-networks that are involved in important brain functions in LLD. METHODS: In this study, we sought to construct individual-level gray matter structural networks using average cortical thicknesses of several brain areas to investigate the characteristics of the gray matter structural networks in normal controls and LLD patients...
January 5, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29352028/the-mysteries-of-remote-memory
#2
REVIEW
Zimbul Albo, Johannes Gräff
Long-lasting memories form the basis of our identity as individuals and lie central in shaping future behaviours that guide survival. Surprisingly, however, our current knowledge of how such memories are stored in the brain and retrieved, as well as the dynamics of the circuits involved, remains scarce despite seminal technical and experimental breakthroughs in recent years. Traditionally, it has been proposed that, over time, information initially learnt in the hippocampus is stored in distributed cortical networks...
March 19, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29351769/protocol-to-disseminate-a-hospital-site-controlled-intervention-using-audit-and-feedback-to-implement-guidelines-concerning-inappropriate-treatment-of-asymptomatic-bacteriuria
#3
Barbara W Trautner, Pooja Prasad, Larissa Grigoryan, Sylvia J Hysong, Jennifer R Kramer, Suja Rajan, Nancy J Petersen, Tracey Rosen, Dimitri M Drekonja, Christopher Graber, Payal Patel, Paola Lichtenberger, Timothy P Gauthier, Steve Wiseman, Makoto Jones, Anne Sales, Sarah Krein, Aanand Dinkar Naik
BACKGROUND: Antimicrobial stewardship to combat the spread of antibiotic-resistant bacteria has become a national priority. This project focuses on reducing inappropriate use of antimicrobials for asymptomatic bacteriuria (ASB), a very common condition that leads to antimicrobial overuse in acute and long-term care. We previously conducted a successful intervention, entitled "Kicking Catheter Associated Urinary Tract Infection (CAUTI): the No Knee-Jerk Antibiotics Campaign," to decrease guideline-discordant ordering of urine cultures and antibiotics for ASB...
January 19, 2018: Implementation Science: IS
https://www.readbyqxmd.com/read/29350187/multifractal-dynamics-of-resting-state-functional-connectivity-in-the-prefrontal-cortex
#4
Frigyes Samuel Racz, Peter Mukli, Zoltan Nagy, Andras Eke
Brain function is organized as a network of functional connections between different neuronal populations with connection strengths dynamically changing in time and space. Studies investigating functional connectivity (FC) usually follow a static approach when describing FC by considering the connectivity strengths constant, however a dynamic approach seems more reasonable, as this way the spatio-temporal dynamics of the underlying system can also be captured. Objective: The scale-free, i.e. fractal nature of neural dynamics is an inherent property of the nervous system...
January 19, 2018: Physiological Measurement
https://www.readbyqxmd.com/read/29350049/targeted-and-off-target-bystander-and-abscopal-effects-of-radiation-therapy-redox-mechanisms-and-risk-benefit-analysis
#5
Jean-Pierre Pouget, Alexandros G Georgakilas, Jean-Luc Ravanat
Radiation therapy (from external beams to unsealed and sealed radionuclide sources) takes advantage of the detrimental effects of the clustered production of radicals and reactive oxygen species (ROS). Research has mainly focused on the interaction of radiation with water, which is the major constituent of living beings, and with nuclear DNA, which contains the genetic information. This led to the so-called "target" theory according to which cells have to be hit by ionizing particles to elicit an important biological response, including cell death...
January 19, 2018: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/29348728/systems-level-mechanisms-of-action-of-panax-ginseng-a-network-pharmacological-approach
#6
REVIEW
Sa-Yoon Park, Ji-Hun Park, Hyo-Su Kim, Choong-Yeol Lee, Hae-Jeung Lee, Ki Sung Kang, Chang-Eop Kim
Panax ginseng has been used since ancient times based on the traditional Asian medicine theory and clinical experiences, and currently, is one of the most popular herbs in the world. To date, most of the studies concerning P. ginseng have focused on specific mechanisms of action of individual constituents. However, in spite of many studies on the molecular mechanisms of P. ginseng, it still remains unclear how multiple active ingredients of P. ginseng interact with multiple targets simultaneously, giving the multidimensional effects on various conditions and diseases...
January 2018: Journal of Ginseng Research
https://www.readbyqxmd.com/read/29345493/jon-douglas-carlson-1945-2017
#7
Matt Englar-Carlson, Jeffrey Kottler
Presents an obituary for Jon Douglas Carlson, who passed away on February 1, 2017, in Madison, Wisconsin, due to complications from a bone marrow transplant. Jon was a leading figure within counseling, psychology, and education, with a specific focus on Adlerian theory and practice. His professional work was informed by over 40 years of clinical practice. During his distinguished career, he published 64 books, 185 articles, and more than 300 training videos adopted by universities around the world. Carlson's professional legacy lives on through the many books and countless hours of professional video sessions, as well as through the healthy, engaged lives of the clients, students, and colleagues that he encouraged, mentored, and supported...
January 2018: American Psychologist
https://www.readbyqxmd.com/read/29345195/mitochondrial-dysfunction-and-pulmonary-hypertension-cause-effect-or-both
#8
Jeffrey D Marshall, Isabel Bazan, Yi Zhang, Wassim H Fares, Patty J Lee
Pulmonary hypertension describes a heterogeneous disease defined by increased pulmonary artery pressures, and progressive increase in pulmonary vascular resistance due to pathologic remodeling of the pulmonary vasculature involving pulmonary endothelial cells, pericytes, and smooth muscle cells.  This process occurs under various conditions, and though these populations vary, the clinical manifestations are the same: progressive dyspnea, increases in right ventricular (RV) afterload and dysfunction, RV-pulmonary artery uncoupling, and right-sided heart failure with systemic circulatory collapse...
January 18, 2018: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/29344910/mimesis-and-clinical-pictures-thinking-with-plato-and-broekman-through-the-production-and-meaning-of-images-of-disease
#9
Marjolein Oele
This paper contends, following Plato and Broekman, that (1) seeing images as images is crucial to theorizing medicine and that (2) considering clinical pictures as images of images is a much-needed epistemic complement to the domineering view that sees clinical pictures as mirrors of disease. This does not only offer epistemic, but also ethical benefits to individual patients, especially in those cases where patients suffer from chronic, debilitating, and terminal illnesses and where medicine provides no, or limited, answers in terms of treatment, intervention, and meaning...
January 17, 2018: Medicine, Health Care, and Philosophy
https://www.readbyqxmd.com/read/29344604/advancing-clinical-improvements-for-patients-using-the-theory-driven-and-data-driven-branches-of-computational-psychiatry
#10
Quentin J M Huys
No abstract text is available yet for this article.
January 17, 2018: JAMA Psychiatry
https://www.readbyqxmd.com/read/29344310/drug-repurposing-screening-identifies-tioconazole-as-an-atg4-inhibitor-that-suppresses-autophagy-and-sensitizes-cancer-cells-to-chemotherapy
#11
Pei-Feng Liu, Kun-Lin Tsai, Chien-Jen Hsu, Wei-Lun Tsai, Jin-Shiung Cheng, Hsueh-Wei Chang, Chung-Wai Shiau, Yih-Gang Goan, Ho-Hsing Tseng, Chih-Hsuan Wu, John C Reed, Lee-Wei Yang, Chih-Wen Shu
Background: Tumor cells require proficient autophagy to meet high metabolic demands and resist chemotherapy, which suggests that reducing autophagic flux might be an attractive route for cancer therapy. However, this theory in clinical cancer research remains controversial due to the limited number of drugs that specifically inhibit autophagy-related (ATG) proteins. Methods: We screened FDA-approved drugs using a novel platform that integrates computational docking and simulations as well as biochemical and cellular reporter assays to identify potential drugs that inhibit autophagy-required cysteine proteases of the ATG4 family...
2018: Theranostics
https://www.readbyqxmd.com/read/29343650/decoder-calibration-with-ultra-small-current-sample-set-for-intracortical-brain-machine-interface
#12
Peng Zhang, Xuan Ma, Luyao Chen, Jin Zhou, Changyong Wang, Wei Li, Jiping He
OBJECTIVE: Intracortical brain-machine interfaces (iBMIs) aim to restore efficient communication and movement ability for paralyzed patients. However, frequent recalibration is required for consistency and reliability, and every recalibration will require relatively large most current sample set. The aim in this study is to develop an effective decoder calibration method that can achieve good performance while minimizing recalibration time. APPROACH: Two rhesus macaques implanted with intracortical microelectrode arrays were trained separately on movement and sensory paradigm...
January 18, 2018: Journal of Neural Engineering
https://www.readbyqxmd.com/read/29341201/diversity-in-cancer-care-exploring-social-categories-in-encounters-between-healthcare-professionals-and-breast-cancer-patients
#13
Nanna Nyholm, Ida Halvorsen, Anna Mygind, Ulla Christensen, Maria Kristiansen
BACKGROUND: The burden of breast cancer is a key challenge for women's health globally. Rehabilitation needs and strategies for living with long-term consequences of breast cancer and its treatment cannot be isolated from the social contexts of patients, including relationships with relatives and healthcare professionals. AIM: This study explores how healthcare professionals' categorisations engage with breast cancer patients' social identities in encounters about rehabilitation before hospital discharge...
January 17, 2018: Scandinavian Journal of Caring Sciences
https://www.readbyqxmd.com/read/29340515/-illegitimate-patients-undocumented-immigrants-access-to-health-care-in-chile
#14
Nanette Liberona Concha, Miguel Ángel Mansilla
In recent decades, Chile has become a destination for immigrants from other South American countries, which has significantly impacted public services - particularly the public health system - at the economic, social, and cultural levels. The aim of this paper is to provide substantiated information on issues concerning undocumented immigrants' access to health care in Chile. A qualitative methodology, fundamentally an ethnography of the clinical setting, was used. Results were then analyzed in relation to theories of power asymmetries and interethnic relations...
July 2017: Salud Colectiva
https://www.readbyqxmd.com/read/29339514/flexibility-of-thought-in-high-creative-individuals-represented-by-percolation-analysis
#15
Yoed N Kenett, Orr Levy, Dror Y Kenett, H Eugene Stanley, Miriam Faust, Shlomo Havlin
Flexibility of thought is theorized to play a critical role in the ability of high creative individuals to generate novel and innovative ideas. However, this has been examined only through indirect behavioral measures. Here we use network percolation analysis (removal of links in a network whose strength is below an increasing threshold) to computationally examine the robustness of the semantic memory networks of low and high creative individuals. Robustness of a network indicates its flexibility and thus can be used to quantify flexibility of thought as related to creativity...
January 16, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29339346/user-centered-design-of-learn-to-quit-a-smoking-cessation-smartphone-app-for-people-with-serious-mental-illness
#16
Roger Vilardaga, Javier Rizo, Emily Zeng, Julie A Kientz, Richard Ries, Chad Otis, Kayla Hernandez
BACKGROUND: Smoking rates in the United States have been reduced in the past decades to 15% of the general population. However, up to 88% of people with psychiatric symptoms still smoke, leading to high rates of disease and mortality. Therefore, there is a great need to develop smoking cessation interventions that have adequate levels of usability and can reach this population. OBJECTIVE: The objective of this study was to report the rationale, ideation, design, user research, and final specifications of a novel smoking cessation app for people with serious mental illness (SMI) that will be tested in a feasibility trial...
January 16, 2018: JMIR Serious Games
https://www.readbyqxmd.com/read/29338800/a-preliminary-investigation-of-pathways-to-inflated-responsibility-beliefs-in-children-with-obsessive-compulsive-disorder
#17
Lindsey M Collins, Meredith E Coles
BACKGROUND: Cognitive theorists posit that inflated responsibility beliefs contribute to the development of obsessive compulsive disorder (OCD). Salkovskis et al. (1999) proposed that experiencing heightened responsibility, overprotective parents and rigid rules, and thinking one influenced or caused a negative life event act as 'pathways' to the development of inflated responsibility beliefs, thereby increasing risk for OCD. Studies in adults with OCD and non-clinical adolescents support the link between these experiences and responsibility beliefs (Coles et al...
January 17, 2018: Behavioural and Cognitive Psychotherapy
https://www.readbyqxmd.com/read/29338094/postnatal-experiences-knowledge-and-perceptions-of-women-with-gestational-diabetes
#18
C E Eades, E F France, J M M Evans
AIM: Women with gestational diabetes mellitus (GDM) are at increased risk of Type 2 diabetes. This study aimed to explore experiences, knowledge and perceptions of women with GDM to inform the design of interventions to prevent or delay Type 2 diabetes. METHODS: Semi-structured interviews were carried out with 16 women with GDM who were recruited from a clinic in one Scottish health board. A framework approach was used to manage and analyse data according to themes informed by psychological theory (self-regulation model and theory of planned behaviour)...
January 16, 2018: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/29337724/statistical-significance-versus-clinical-importance-of-observed-effect-sizes-what-do-p-values-and-confidence-intervals-really-represent
#19
Patrick Schober, Sebastiaan M Bossers, Lothar A Schwarte
Effect size measures are used to quantify treatment effects or associations between variables. Such measures, of which >70 have been described in the literature, include unstandardized and standardized differences in means, risk differences, risk ratios, odds ratios, or correlations. While null hypothesis significance testing is the predominant approach to statistical inference on effect sizes, results of such tests are often misinterpreted, provide no information on the magnitude of the estimate, and tell us nothing about the clinically importance of an effect...
January 15, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29337021/changing-physical-activity-behavior-in-people-with-multiple-sclerosis-a-systematic-review-and-meta-analysis
#20
REVIEW
Blathin Casey, Susan Coote, Sara Hayes, Stephen Gallagher
OBJECTIVE: To systematically review the literature on behavioural interventions for people with Multiple Sclerosis (pwMS) that aim to change physical activity (PA) behaviour. To explore if these interventions are clinically-effective in improving PA, theory-based and employ established behaviour change techniques (BCTs). DATA SOURCES: A systematic electronic search was conducted on databases EBSCO (including AMED, Biomedical Reference Collection: Expanded, CINHAL, MEDLINE, PsycArticles, PsycInfo), PubMed, EMBASE, and Web of Science from April 2017 to May 2017...
January 11, 2018: Archives of Physical Medicine and Rehabilitation
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