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https://www.readbyqxmd.com/read/28545039/the-perceptual-learning-of-time-compressed-speech-a-comparison-of-training-protocols-with-different-levels-of-difficulty
#1
Yafit Gabay, Avi Karni, Karen Banai
Speech perception can improve substantially with practice (perceptual learning) even in adults. Here we compared the effects of four training protocols that differed in whether and how task difficulty was changed during a training session, in terms of the gains attained and the ability to apply (transfer) these gains to previously un-encountered items (tokens) and to different talkers. Participants trained in judging the semantic plausibility of sentences presented as time-compressed speech and were tested on their ability to reproduce, in writing, the target sentences; trail-by-trial feedback was afforded in all training conditions...
2017: PloS One
https://www.readbyqxmd.com/read/28545016/statistical-learning-and-auditory-processing-in-children-with-music-training-an-erp-study
#2
Pragati Rao Mandikal Vasuki, Mridula Sharma, Ronny Ibrahim, Joanne Arciuli
OBJECTIVE: The question whether musical training is associated with enhanced auditory and cognitive abilities in children is of considerable interest. In the present study, we compared children with music training versus those without music training across a range of auditory and cognitive measures, including the ability to detect implicitly statistical regularities in input (statistical learning). METHODS: Statistical learning of regularities embedded in auditory and visual stimuli was measured in musically trained and age-matched untrained children between the ages of 9-11years...
April 26, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28544869/restoring-agency-to-the-human-actor
#3
William B Swann, Jolanda Jetten
A cursory read of the social psychological literature suggests that when people find themselves in strong situations, they fail to display agency. The early classic studies of conformity, obedience, and bystander intervention, for example, are renowned for showing that when challenged by strong situational pressures, participants acquiesced-even if it meant abandoning their moral principles or disregarding their own sensory data. Later studies of learned helplessness, ego depletion, and stereotype threat echoed this "power of the situation" theme, demonstrating that exposure to (or the expectation of) a frustrating or unpleasant experience suppressed subsequent efforts to actualize goals and abilities...
May 2017: Perspectives on Psychological Science: a Journal of the Association for Psychological Science
https://www.readbyqxmd.com/read/28544481/matching-phenotypes-to-whole-genomes-lessons-learned-from-four-iterations-of-the-personal-genome-project-community-challenges
#4
Binghuang Cai, Biao Li, Nikki Kiga, Janita Thusberg, Timothy Bergquist, Yun-Ching Chen, Noushin Niknafs, Hannah Carter, Collin Tokheim, Violeta Beleva-Guthrie, Christopher Douville, Rohit Bhattacharya, Hui Ting Grace Yeo, Jean Fan, Sohini Sengupta, Dewey Kim, Melissa Cline, Tychele Turner, Mark Diekhans, Jan Zaucha, Lipika R Pal, Chen Cao, Chen-Hsin Yu, Yizhou Yin, Marco Carraro, Manuel Giollo, Carlo Ferrari, Emanuela Leonardi, Silvio C E Tosatto, Jason Bobe, Madeleine Ball, Roger Hoskins, Susanna Repo, George Church, Steven E Brenner, John Moult, Julian Gough, Mario Stanke, Rachel Karchin, Sean D Mooney
The advent of next generation sequencing has dramatically decreased the cost for whole genome sequencing and increased the viability for its application in research and clinical care. The Personal Genome Project (PGP) provides unrestricted access to genomes of individuals and their associated phenotypes. This resource enabled the Critical Assessment of Genome Interpretation (CAGI) to create a community challenge to assess the bioinformatics community's ability to predict traits from whole genomes. In CAGI PGP challenge, researchers were asked to predict whether an individual had a particular trait or profile based on their whole genome...
May 23, 2017: Human Mutation
https://www.readbyqxmd.com/read/28542838/order-matters-children-s-evaluation-of-underinformative-teachers-depends-on-context
#5
Hyowon Gweon, Mika Asaba
The ability to evaluate "sins of omission"-true but pragmatically misleading, underinformative pedagogy-is critical for learning. This study reveals a developmental change in children's evaluation of underinformative teachers and investigates the nature of their limitations. Participants rated a fully informative teacher and an underinformative teacher in two different orders. Six- and 7-year-olds (N = 28) successfully distinguished the teachers regardless of the order (Experiment 1), whereas 4- and 5-year-olds (N = 82) succeeded only when the fully informative teacher came first (Experiments 2 and 3)...
May 22, 2017: Child Development
https://www.readbyqxmd.com/read/28542318/predicting-congenital-heart-defects-a-comparison-of-three-data-mining-methods
#6
Yanhong Luo, Zhi Li, Husheng Guo, Hongyan Cao, Chunying Song, Xingping Guo, Yanbo Zhang
Congenital heart defects (CHD) is one of the most common birth defects in China. Many studies have examined risk factors for CHD, but their predictive abilities have not been evaluated. In particular, few studies have attempted to predict risks of CHD from, necessarily unbalanced, population-based cross-sectional data. Therefore, we developed and validated machine learning models for predicting, before and during pregnancy, women's risks of bearing children with CHD. We compared the results of these models in a large-scale, comprehensive population-based retrospective cross-sectional epidemiological survey of birth defects in six counties in Shanxi Province, China, covering 2006 to 2008...
2017: PloS One
https://www.readbyqxmd.com/read/28542179/teaching-genetics-prior-to-teaching-evolution-improves-evolution-understanding-but-not-acceptance
#7
Rebecca Mead, Momna Hejmadi, Laurence D Hurst
What is the best way to teach evolution? As microevolution may be configured as a branch of genetics, it being a short conceptual leap from understanding the concepts of mutation and alleles (i.e., genetics) to allele frequency change (i.e., evolution), we hypothesised that learning genetics prior to evolution might improve student understanding of evolution. In the UK, genetics and evolution are typically taught to 14- to 16-y-old secondary school students as separate topics with few links, in no particular order and sometimes with a large time span between...
May 2017: PLoS Biology
https://www.readbyqxmd.com/read/28541894/the-extreme-value-machine
#8
Ethan M Rudd, Lalit P Jain, Walter J Scheirer, Terrance E Boult
It is often desirable to be able to recognize when inputs to a recognition function learned in a supervised manner correspond to classes unseen at training time. With this ability, new class labels could be assigned to these inputs by a human operator, allowing them to be incorporated into the recognition function - ideally under an efficient incremental update mechanism. While good algorithms that assume inputs from a fixed set of classes exist, e.g., artificial neural networks and kernel machines, it is not immediately obvious how to extend them to perform incremental learning in the presence of unknown query classes...
May 23, 2017: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28541743/rarevar-a-framework-for-detecting-low-frequency-single-nucleotide-variants
#9
Yangyang Hao, Xiaoling Xuei, Lang Li, Harikrishna Nakshatri, Howard J Edenberg, Yunlong Liu
Accurate identification of low-frequency somatic point mutations in tumor samples has important clinical utilities. Although high-throughput sequencing technology enables capturing such variants while sequencing primary tumor samples, our ability for accurate detection is compromised when the variant frequency is close to the sequencer error rate. Most current experimental and bioinformatic strategies target mutations with ≥5% allele frequency, which limits our ability to understand the cancer etiology and tumor evolution...
May 25, 2017: Journal of Computational Biology: a Journal of Computational Molecular Cell Biology
https://www.readbyqxmd.com/read/28541078/ensembles-in-medial-and-lateral-orbitofrontal-cortex-construct-cognitive-maps-emphasizing-different-features-of-the-behavioral-landscape
#10
Nina Lopatina, Brian F Sadacca, Michael A McDannald, Clay V Styer, Jacob F Peterson, Joseph F Cheer, Geoffrey Schoenbaum
The orbitofrontal cortex (OFC) has long been implicated in the ability to use the current value of expected outcomes to guide behavior. More recently, this specific role has been conceptualized as a special case of a more general function that OFC plays in constructing a "cognitive map" of the behavioral task space by labeling the current task state and learning relationships among task states. Here, we have used single unit recording data from 2 prior studies to examine whether and how information relating different states within and across trials is represented in medial versus lateral OFC in rats...
June 2017: Behavioral Neuroscience
https://www.readbyqxmd.com/read/28539910/the-role-of-emotional-landmarks-on-topographical-memory
#11
Massimiliano Palmiero, Laura Piccardi
The investigation of the role of emotional landmarks on human navigation has been almost totally neglected in psychological research. Therefore, the extent to which positive and negative emotional landmarks affect topographical memory as compared to neutral emotional landmark was explored. Positive, negative and neutral affect-laden images were selected as landmarks from the International Affective Picture System (IAPS) Inventory. The Walking Corsi test (WalCT) was used in order to test the landmark-based topographical memory...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28539900/learning-potential-in-narrative-writing-measuring-the-psychometric-properties-of-an-assessment-tool
#12
Léia G Gurgel, Mônica M C de Oliveira, Maria C R A Joly, Caroline T Reppold
Objective: The Computerized and Dynamic Writing Test (TIDE) is designed to examine the learning potential of adolescents in narrative writing. This was a validation study of the TIDE based on its internal structure. Learning potential is responsible for cognitive modifiabilty according to the Theory of Cognitive Structural Modifiability (CSM) developed by Feüerstein. Method: Included 304 participants between 10 and 17 years of age from schools in the South of Brazil. The data collection involved student groups that were divided according to age and school grade...
2017: Frontiers in Psychology
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
#13
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/28539255/emerging-schistosomiasis-in-europe-a-need-to-quantify-the-risks
#14
REVIEW
Julien Kincaid-Smith, Olivier Rey, Eve Toulza, Antoine Berry, Jérôme Boissier
The recent recurrent outbreaks of urogenital schistosomiasis in the south of Europe were unanticipated and caught scientists and health authorities unprepared. It is now time to learn lessons from these outbreaks and to implement concrete procedures in order to better quantify the risks and prevent future outbreaks of schistosomiasis in Europe. In this context, we propose a reflection on the factors that currently hamper our ability to quantify these risks and argue that we are incapable of predicting future outbreaks...
May 21, 2017: Trends in Parasitology
https://www.readbyqxmd.com/read/28539194/effects-of-the-informed-health-choices-primary-school-intervention-on-the-ability-of-children-in-uganda-to-assess-the-reliability-of-claims-about-treatment-effects-a-cluster-randomised-controlled-trial
#15
Allen Nsangi, Daniel Semakula, Andrew D Oxman, Astrid Austvoll-Dahlgren, Matt Oxman, Sarah Rosenbaum, Angela Morelli, Claire Glenton, Simon Lewin, Margaret Kaseje, Iain Chalmers, Atle Fretheim, Yunpeng Ding, Nelson K Sewankambo
BACKGROUND: Claims about what improves or harms our health are ubiquitous. People need to be able to assess the reliability of these claims. We aimed to evaluate an intervention designed to teach primary school children to assess claims about the effects of treatments (ie, any action intended to maintain or improve health). METHODS: In this cluster-randomised controlled trial, we included primary schools in the central region of Uganda that taught year-5 children (aged 10-12 years)...
May 19, 2017: Lancet
https://www.readbyqxmd.com/read/28539089/simulating-real-life-exposures-to-uncover-possible-risks-to-human-health-a-proposed-consensus-for-a-novel-methodological-approach
#16
A M Tsatsakis, D Kouretas, M N Tzatzarakis, P Stivaktakis, K Tsarouhas, K S Golokhvast, V N Rakitskii, V A Tutelyan, A F Hernandez, R Rezaee, G Chung, C Fenga, A B Engin, M Neagu, A L Arsene, A O Docea, E Gofita, D Calina, I Taitzoglou, J Liesivuori, A W Hayes, S Gutnikov, C Tsitsimpikou
In real life, consumers are exposed to complex mixtures of chemicals via food, water and commercial products consumption. Since risk assessment usually focuses on individual compounds, the current regulatory approach doesn't assess the overall risk of chemicals present in a mixture. This study will evaluate the cumulative toxicity of mixtures of different classes of pesticides and mixtures of different classes of pesticides together with food additives (FAs) and common consumer product chemicals using realistic doses after long-term exposure...
June 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28538983/assocation-of-a-surgical-task-during-training-with-team-skill-acquisition-among-surgical-residents-the-missing-piece-in-multidisciplinary-team-training
#17
Jessica L Sparks, Dustin L Crouch, Kathryn Sobba, Douglas Evans, Jing Zhang, James E Johnson, Ian Saunders, John Thomas, Sarah Bodin, Ashley Tonidandel, Jeff Carter, Carl Westcott, R Shayn Martin, Amy Hildreth
Importance: The human patient simulators that are currently used in multidisciplinary operating room team training scenarios cannot simulate surgical tasks because they lack a realistic surgical anatomy. Thus, they eliminate the surgeon's primary task in the operating room. The surgical trainee is presented with a significant barrier when he or she attempts to suspend disbelief and engage in the scenario. Objective: To develop and test a simulation-based operating room team training strategy that challenges the communication abilities and teamwork competencies of surgeons while they are engaged in realistic operative maneuvers...
May 24, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28538801/effects-of-hyperbaric-oxygen-and-nerve-growth-factor-on-the-long-term-neural-behavior-of-neonatal-rats-with-hypoxic-ischemic-brain-damage
#18
Lixia Wei, Qing Ren, Yongjun Zhang, Jiwen Wang
Purpose: To evaluate the effects of HBO (Hyperbaric oxygen) and NGF (Nerve growth factor) on the long-term neural behavior of neonatal rats with HIBD (Neonatal hypoxic ischemic brain damage). Methods: The HIBD model was produced by ligating the right common carotid artery of 7 days old SD (Sprague-Dawley) rats followed by 8% O2 + 92% N2 for 2h. Totally 40 rats were randomly divided into 5 groups including sham-operated group, HIBD control group, HBO treated group, NGF treated group and NGF + HBO treated group...
April 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28537853/dermatology-discharge-continuity-clinic-enhances-resident-autonomy-and-insight-into-transitions-of-care-competencies-a-cross-sectional-survey-study
#19
Jasmine Rana, Arash Mostaghimi
Dermatology residents perform consults on hospitalized patients, but are often limited in their ability to follow-up with these patients after discharge, leading to inadequate follow-up and understanding of post-discharge transitions of care. In 2013, a discharge continuity clinic (DCC) staffed by the inpatient consult dermatology resident and attending dermatologist was established at one of the four adult hospital sites residents rotate through in the Harvard Combined Dermatology Residency Program. Resident perceptions about the DCC and their educational experience on inpatient consult rotations with a DCC and without a DCC were obtained using a cross-sectional survey instrument in June 2016...
May 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28536036/antimicrobial-activity-predictors-benchmark-using-shuffled-and-designed-synthetic-peptides
#20
William F Porto, Allan S Pires, Octavio L Franco
The antimicrobial activity prediction tools aim to help the novel antimicrobial peptides (AMP) sequences discovery, utilizing machine learning methods. Such approaches have gained increasing importance in the generation of novel synthetic peptides by means or rational design techniques. This study focused on predictive ability of such approaches to determine the antimicrobial sequence activities, which were previously characterized at the protein level by in vitro studies. Using four web servers, we evaluated 78 sequences generated by the so-called linguistic model, being 40 designed and 38 shuffled sequences, with ∼60 and ∼25 % of identity to AMPs, respectively...
May 20, 2017: Journal of Theoretical Biology
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