keyword
MENU ▼
Read by QxMD icon Read
search

Negative reinforcement

keyword
https://www.readbyqxmd.com/read/27910796/reinforcement-of-emergency-department-reduces-acute-admissions-to-medical-department
#1
Mansoor Ahmed Dawood, Gideon Ertner, Jacob Hansen-Schwartz
INTRODUCTION: The medical decision capacity of emergency departments (ED) may rest within the department itself or depend on external consultation. The stepwise development of the ED at Zealand University Hospital, Køge, was used to analyse the influence of medical organisation in the ED on the hospital admission pattern. METHODS: Data were recorded for the month of September of 2009, 2012 and 2014. These periods corresponded to the establishment of the department in 2009 and the 2012-period before organisational change was initiated in 2013, with a substantial increase in the number of senior physicians directly in charge of clinical decisions and the establishment of a limited bedding capacity...
December 2016: Danish Medical Journal
https://www.readbyqxmd.com/read/27898884/the-progression-of-deoxynivalenol-induced-growth-suppression-in-nursery-pigs-and-the-potential-of-an-algae-modified-montmorillonite-clay-to-mitigate-these-effects
#2
H L Frobose, J A Erceg, S Q Fowler, M D Tokach, J M DeRouchey, J C Woodworth, S S Dritz, R D Goodband
Two experiments were conducted to characterize the progression of deoxynivalenol (DON)-induced growth suppression and to investigate algae-modified montmorillonite clay (AMMC) as a means to alleviate the effects of DON in nursery pigs. In both experiments, naturally DON-contaminated wheat was used to produce diets with desired DON levels. In Exp. 1, 280 barrows and gilts (10.0 ± 0.2 kg BW) were used in a 28-d experiment arranged in a 2 × 2 + 1 factorial design with 8 replicates per treatment. The 5 treatments consisted of 2 positive control (PC) diets with DON below detection limits and with or without 0 or 0...
September 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27895886/back-to-the-ussr-how-colors-might-shape-the-political-perception-of-east-versus-west
#3
Fabian Gebauer, Marius H Raab, Claus-Christian Carbon
People typically process information to confirm their prior held attitudes and stereotypes. As the political relations between NATO and Russia have distinctively drifted apart in recent years, we were interested in how far old-established color depictions referring to the Cold War's demarcations (USSR = red; NATO = blue) might reinforce people's political perception of an East versus West antagonism nowadays. Participants received a fabricated news article in which both world powers were either depicted on a map as Russia = red and NATO = blue or vice versa (Study 1)...
November 2016: I-Perception
https://www.readbyqxmd.com/read/27893230/ecological-momentary-assessment-of-negative-symptoms-in-schizophrenia-relationships-to-effort-based-decision-making-and-reinforcement-learning
#4
Erin K Moran, Adam J Culbreth, Deanna M Barch
Negative symptoms are a core clinical feature of schizophrenia, but conceptual and methodological problems with current instruments can make their assessment challenging. One hypothesis is that current symptom assessments may be influenced by impairments in memory and may not be fully reflective of actual functioning outside of the laboratory. The present study sought to investigate the validity of assessing negative symptoms using ecological momentary assessment (EMA). Participants with schizophrenia (N = 31) completed electronic questionnaires on smartphones 4 times a day for 1 week...
November 28, 2016: Journal of Abnormal Psychology
https://www.readbyqxmd.com/read/27891586/celastrol-attenuates-cadmium-induced-neuronal-apoptosis-via-inhibiting-ca-2-camkii-dependent-akt-mtor-pathway
#5
Ruijie Zhang, Yu Zhu, Xiaoqing Dong, Beibei Liu, Nana Zhang, Xiaoxue Wang, Lei Liu, Chong Xu, Shile Huang, Long Chen
Cadmium (Cd), an environmental and industrial pollutant, affects the nervous system and consequential neurodegenerative disorders. Recently we have shown that celastrol prevents Cd-induced neuronal cell death partially by suppressing Akt/mTOR pathway. However, the underlying mechanism remains to be elucidated. Here we show that celastrol attenuated Cd-elevated intracellular free calcium ([Ca(2+) ]i ) level and apoptosis in neuronal cells. Celastrol prevented Cd-induced neuronal apoptosis by inhibiting Akt-mediated mTOR pathway, as inhibition of Akt with Akt inhibitor X or ectopic expression of dominant negative Akt reinforced celastrol's prevention of Cd-induced phosphorylation of S6K1/4E-BP1 and cell apoptosis...
November 27, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27891108/the-mediating-role-of-psychological-adjustment-between-peer-victimization-and-social-adjustment-in-adolescence
#6
Eva M Romera, Olga Gómez-Ortiz, Rosario Ortega-Ruiz
There is extensive scientific evidence of the serious psychological and social effects that peer victimization may have on students, among them internalizing problems such as anxiety or negative self-esteem, difficulties related to low self-efficacy and lower levels of social adjustment. Although a direct relationship has been observed between victimization and these effects, it has not yet been analyzed whether there is a relationship of interdependence between all these measures of psychosocial adjustment...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27890978/patterns-of-use-and-perceptions-of-harm-of-smokeless-tobacco-in-navi-mumbai-india-and-dhaka-bangladesh
#7
Seema Mutti, Jessica L Reid, Prakash C Gupta, Mangesh S Pednekar, Gauri Dhumal, Nigar Nargis, Akm Ghulam Hussain, David Hammond
BACKGROUND: Globally, smokeless tobacco use is disproportionately concentrated in low-income and middle-income countries like India and Bangladesh. OBJECTIVES: The current study examined comparative patterns of use and perceptions of harm for different smokeless tobacco products among adults and youth in Navi Mumbai, India, and Dhaka, Bangladesh. METHODS: Face-to-face interviews were conducted on tablets with adult (19 years and older) smokeless tobacco users and youth (16-18 years) users and non-users in Navi Mumbai (n = 1002), and Dhaka (n = 1081)...
October 2016: Indian Journal of Community Medicine
https://www.readbyqxmd.com/read/27889855/epigallocatechin-gallate-attenuates-%C3%AE-amyloid-generation-and-oxidative-stress-involvement-of-ppar%C3%AE-in-n2a-app695-cells
#8
Zhao-Xu Zhang, Yan-Bing Li, Rui-Ping Zhao
The accumulation of β-amyloid (Aβ) peptide plaques is a major pathogenic event in Alzheimer's disease (AD). Aβ is a cleaved fragment of APP via BACE1, which is the rate-limiting enzyme in APP processing and Aβ generation. Nuclear receptor peroxisome proliferator-activated receptor gamma (PPARγ) is considered to be a potential target for AD treatment, because of its potent antioxidant and inhibitory effects on Aβ production by negatively regulating BACE1. Epigallocatechin gallate (EGCG), a highly active catechin found in green tea, is known to enhance metabolic activity and cognitive ability in the mice model of AD...
November 26, 2016: Neurochemical Research
https://www.readbyqxmd.com/read/27888437/estimated-budget-impact-of-adopting-the-affordable-care-act-s-required-smoking-cessation-coverage-on-united-states-healthcare-payers
#9
Christine L Baker, Cheryl P Ferrufino, Marianna Bruno, Stacey Kowal
INTRODUCTION: Despite abundant information on the negative impacts of smoking, more than 40 million adult Americans continue to smoke. The Affordable Care Act (ACA) requires tobacco cessation as a preventive service with no patient cost share for all FDA-approved cessation medications. Health plans have a vital role in supporting smoking cessation by managing medication access, but uncertainty remains on the gaps between smoking cessation requirements and what is actually occurring in practice...
November 25, 2016: Advances in Therapy
https://www.readbyqxmd.com/read/27888020/neural-correlates-of-affective-empathy-and-reinforcement-learning-in-boys-with-conduct-problems-fmri-evidence-from-a-gambling-task
#10
Christina Schwenck, Angela Ciaramidaro, Marina Selivanova, Jennifer Tournay, Christine M Freitag, Michael Siniatchkin
BACKGROUND: Conduct problems (CP) comprise abnormal behaviors associated with aberrant aspects of affective empathy as well as learning. However, behavioral measures for affective empathy are challenging, and previous results concerning learning in patients with CP are inconsistent. METHODS: Nineteen boys with CP and 24 typically developing (TD) boys aged 11-17 years (M=14.34, SD=1.93) participated in the study. An ultimatum-game was applied in order to elicit the feeling of like or dislike towards the opponent for a subsequent gambling task, which was played by the opponents (OTHER-condition) and by the participants themselves (SELF-condition)...
November 22, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27883365/educational-interventions-for-the-management-of-cancer-related-fatigue-in-adults
#11
REVIEW
Sally Bennett, Amanda Pigott, Elaine M Beller, Terry Haines, Pamela Meredith, Christie Delaney
BACKGROUND: Cancer-related fatigue is reported as the most common and distressing symptom experienced by patients with cancer. It can exacerbate the experience of other symptoms, negatively affect mood, interfere with the ability to carry out everyday activities, and negatively impact on quality of life. Educational interventions may help people to manage this fatigue or to cope with this symptom, and reduce its overall burden. Despite the importance of education for managing cancer-related fatigue there are currently no systematic reviews examining this approach...
November 24, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27882866/the-performance-of-community-health-workers-in-the-management-of-multiple-childhood-infectious-diseases-in-lira-northern-uganda-a-mixed-methods-cross-sectional-study
#12
Phillip Wanduru, Moses Tetui, Doreen Tuhebwe, Michael Ediau, Monica Okuga, Christine Nalwadda, Elizabeth Ekirapa-Kiracho, Peter Waiswa, Elizeus Rutebemberwa
BACKGROUND: Community health workers (CHWs) have the potential to reduce child mortality by improving access to care, especially in remote areas. Uganda has one of the highest child mortality rates globally. Moreover, rural areas bear the highest proportion of this burden. The optimal performance of CHWs is critical. In this study, we assess the performance of CHWs in managing malaria, pneumonia, and diarrhea in the rural district of Lira, in northern Uganda. DESIGNS: A cross-sectional mixed methods study was undertaken to investigate the performance of 393 eligible CHWs in the Lira district of Uganda...
2016: Global Health Action
https://www.readbyqxmd.com/read/27880824/anti-invasive-and-anti-proliferative-synergism-between-docetaxel-and-a-polynuclear-pd-spermine-agent
#13
Ana L M Batista de Carvalho, Paula S C Medeiros, Francisco M Costa, Vanessa P Ribeiro, Joana B Sousa, Carmen Diniz, Maria P M Marques
The present work is aimed at evaluating the antitumour properties of a Pd(II) dinuclear complex with the biogenic polyamine spermine, by investigating: i) the anti-angiogenic and anti-migration properties of a Pd(II) dinuclear complex with spermine (Pd2Spm); ii) the anti-proliferative activity of Pd2Spm against a triple negative human breast carcinoma (MDA-MB-231); and finally iii) the putative interaction mediated by combination of Pd2Spm with Docetaxel. Anti-invasive (anti-angiogenic and anti-migratory) as well as anti-proliferative capacities were assessed, for different combination schemes and drug exposure times, using the CAM assay and VEGFR2 activity measurement, the MatrigelTM method and the SRB proliferation test...
2016: PloS One
https://www.readbyqxmd.com/read/27878890/a-qualitative-exploration-of-anesthesia-trainees-experiences-during-transition-to-a-children-s-hospital
#14
Peter W Howe, Koshila Kumar
BACKGROUND: The stresses of starting a new job can make anyone feel tired and inefficient. In health care, this may impair the ability to learn at a time when there is most to learn, and increase the risk of error in a context where errors may lead to patient harm. AIM: The aim of this study was to understand issues which influence anesthesia trainees' transition to a pediatric setting. METHODS: This qualitative study utilized in-depth semi-structured interviews to gather data from 31 anesthesia trainees who had commenced work at a tertiary children's hospital between 4 and 6 weeks previously...
November 22, 2016: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/27876640/physiological-state-tunes-mesolimbic-signaling-lessons-from-sodium-appetite-and-inspiration-from-randall-r-sakai
#15
REVIEW
Samantha M Fortin, Mitchell F Roitman
Sodium deficit poses a life-threatening challenge to body fluid homeostasis and generates a sodium appetite - the behavioral drive to ingest sodium. Dr. Randall R. Sakai greatly contributed to our understanding of the hormonal responses to negative sodium balance and to the central processing of these signals. Reactivity to the taste of sodium solutions and the motivation to seek and consume sodium changes dramatically with body fluid balance. Here, we review studies that collectively suggest that sodium deficit recruits the mesolimbic system to play a role in the behavioral expression of sodium appetite...
November 19, 2016: Physiology & Behavior
https://www.readbyqxmd.com/read/27876072/high-specificity-bioinformatics-framework-for-epigenomic-profiling-of-discordant-twins-reveals-specific-and-shared-markers-for-acpa-and-acpa-positive-rheumatoid-arthritis
#16
David Gomez-Cabrero, Malin Almgren, Louise K Sjöholm, Aase H Hensvold, Mikael V Ringh, Rakel Tryggvadottir, Juha Kere, Annika Scheynius, Nathalie Acevedo, Lovisa Reinius, Margaret A Taub, Carolina Montano, Martin J Aryee, Jason I Feinberg, Andrew P Feinberg, Jesper Tegnér, Lars Klareskog, Anca I Catrina, Tomas J Ekström
BACKGROUND: Twin studies are powerful models to elucidate epigenetic modifications resulting from gene-environment interactions. Yet, commonly a limited number of clinical twin samples are available, leading to an underpowered situation afflicted with false positives and hampered by low sensitivity. We investigated genome-wide DNA methylation data from two small sets of monozygotic twins representing different phases during the progression of rheumatoid arthritis (RA) to find novel genes for further research...
November 22, 2016: Genome Medicine
https://www.readbyqxmd.com/read/27866826/the-impact-of-online-therapeutic-feedback-on-outcome-measures-in-internet-cbti-for-adolescents-with-insomnia
#17
Eduard Jan de Bruin, Anne Marie Meijer
BACKGROUND: Guided Internet cognitive behavioral therapy for insomnia (CBTI) offers an effective treatment for adolescents, but little is known about the active ingredients of therapeutic feedback on outcomes. OBJECTIVE: This study aims to identify which factors can be distinguished in written therapeutic feedback in Internet CBTI, and examine whether these factors and participation in a chat session contribute to sleep outcomes. METHODS: Internet CBTI was applied to 57 adolescents (mean age 15...
September 13, 2016: Sleep Medicine
https://www.readbyqxmd.com/read/27865409/high-somatic-cell-counts-and-changes-in-milk-fat-and-protein-contents-around-insemination-are-negatively-associated-with-conception-in-dairy-cows
#18
Ahmad Albaaj, Gilles Foucras, Didier Raboisson
The fertility of dairy cows has decreased dramatically worldwide over the last few decades, and several causes of this trend have been reported. Several studies have associated compromised udder health with deteriorating reproduction performance. Subclinical ketosis (SCK) has also been reported to be a risk factor for decreased conception. The objective of the present study was to describe how SCK might interact with the reported association between udder health and conception in dairy cows. Data from the French Milk Control Program and data on 8,549,667 instances of artificial insemination (AI) and their corresponding preceding and subsequent test-days from 5,979,701 Holstein cows were examined over a 5-year period (2008-2012)...
January 15, 2017: Theriogenology
https://www.readbyqxmd.com/read/27864048/aversive-properties-of-negative-incentive-shifts-in-fischer-344-and-lewis-rats
#19
Adam Brewer, Patrick Johnson, Jeff Stein, Michael Schlund, Dean C Williams
Research on incentive contrast highlights that reward value is not absolute but rather is based upon comparisons we make to rewards we have received and expect to receive. Both human and nonhuman studies on incentive contrast show that shifting from a larger more-valued reward to a smaller less-valued reward is associated with long periods of nonresponding - a negative contrast effect. In this investigation, we used two different genetic rat strains, Fischer 344 and Lewis rats that putatively differ in their sensitivity to aversive stimulation, to assess the aversive properties of large-to-small reward shifts (negative incentive shifts)...
November 15, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27863517/retrospective-observation-on-contribution-and-limitations-of-screening-for-breast-cancer-with-mammography-in-korea-detection-rate-of-breast-cancer-and-incidence-rate-of-interval-cancer-of-the-breast
#20
Kunsei Lee, Hyeongsu Kim, Jung Hyun Lee, Hyoseon Jeong, Soon Ae Shin, Taehwa Han, Young Lan Seo, Youngbum Yoo, Sang Eun Nam, Jong Heon Park, Yoo Mi Park
BACKGROUND: The purpose of this study was to determine the benefits and limitations of screening for breast cancer using mammography. METHODS: Descriptive design with follow-up was used in the study. Data from breast cancer screening and health insurance claim data were used. The study population consisted of all participants in breast cancer screening from 2009 to 2014. Crude detection rate, positive predictive value and sensitivity and specificity of breast cancer screening and, incidence rate of interval cancer of the breast were calculated...
November 18, 2016: BMC Women's Health
keyword
keyword
27312
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"